Merge pull request #415 from anba/remove-runTestCase-finally

Replace runTestCase when used with try-finally

test/built-ins/Array/prototype/concat/15.4.4.4-5-b-iii-3-b-1.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.4-5-b-iii-3-b-1
 description: >
     Array.prototype.concat will concat an Array when index property
     (read-only) exists in Array.prototype (Step 5.b.iii.3.b)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 value: 100,
                 writable: false,
@@ -39,9 +36,7 @@ function testcase() {
             delete newArr[0];
             verifyConfigurable = newArr.hasOwnProperty("0");
 
-            return verifyValue && !verifyConfigurable && verifyEnumerable && verifyWritable;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(verifyValue, 'verifyValue !== true');
+assert.sameValue(verifyConfigurable, false, 'verifyConfigurable');
+assert(verifyEnumerable, 'verifyEnumerable !== true');
+assert(verifyWritable, 'verifyWritable !== true');

test/built-ins/Array/prototype/concat/15.4.4.4-5-c-i-1.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.4-5-c-i-1
 description: >
     Array.prototype.concat will concat an Array when index property
     (read-only) exists in Array.prototype (Step 5.c.i)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 value: 100,
                 writable: false,
@@ -41,11 +38,9 @@ function testcase() {
             delete newArr[0];
             verifyConfigurable = newArr.hasOwnProperty("0");
 
-            return hasProperty && instanceOfVerify && verifyValue && !verifyConfigurable && verifyEnumerable && verifyWritable;
-	
-
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(hasProperty, 'hasProperty !== true');
+assert(instanceOfVerify, 'instanceOfVerify !== true');
+assert(verifyValue, 'verifyValue !== true');
+assert.sameValue(verifyConfigurable, false, 'verifyConfigurable');
+assert(verifyEnumerable, 'verifyEnumerable !== true');
+assert(verifyWritable, 'verifyWritable !== true');

test/built-ins/Array/prototype/every/15.4.4.16-1-10.js

@@ -4,21 +4,13 @@
 /*---
 es5id: 15.4.4.16-1-10
 description: Array.prototype.every applied to the Math object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return ('[object Math]' !== Object.prototype.toString.call(obj));
         }
 
-        try {
             Math.length = 1;
             Math[0] = 1;
-            return !Array.prototype.every.call(Math, callbackfn);
-        } finally {
-            delete Math[0];
-            delete Math.length;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.every.call(Math, callbackfn), false, 'Array.prototype.every.call(Math, callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-1-13.js

@@ -4,21 +4,13 @@
 /*---
 es5id: 15.4.4.16-1-13
 description: Array.prototype.every applied to the JSON object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return ('[object JSON]' !== Object.prototype.toString.call(obj));
         }
 
-        try {
             JSON.length = 1;
             JSON[0] = 1;
-            return !Array.prototype.every.call(JSON, callbackfn);
-        } finally {
-            delete JSON.length;
-            delete JSON[0];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.every.call(JSON, callbackfn), false, 'Array.prototype.every.call(JSON, callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-1-3.js

@@ -4,11 +4,8 @@
 /*---
 es5id: 15.4.4.16-1-3
 description: Array.prototype.every applied to boolean primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
 
         function callbackfn(val, idx, obj) {
@@ -16,13 +13,8 @@ function testcase() {
             return obj instanceof Boolean;
         }
 
-        try {
             Boolean.prototype[0] = 1;
             Boolean.prototype.length = 1;
-            return Array.prototype.every.call(false, callbackfn) && accessed;
-        } finally {
-            delete Boolean.prototype[0];
-            delete Boolean.prototype.length;
-        }
-    }
-runTestCase(testcase);
+
+assert(Array.prototype.every.call(false, callbackfn), 'Array.prototype.every.call(false, callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-1-5.js

@@ -4,23 +4,16 @@
 /*---
 es5id: 15.4.4.16-1-5
 description: Array.prototype.every applied to number primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var accessed = false;
         function callbackfn(val, idx, obj) {
             accessed = true;
             return obj instanceof Number;
         }
 
-        try {
             Number.prototype[0] = 1;
             Number.prototype.length = 1;
-            return Array.prototype.every.call(2.5, callbackfn) && accessed;
-        } finally {
-            delete Number.prototype[0];
-            delete Number.prototype.length;
-        }
-    }
-runTestCase(testcase);
+
+assert(Array.prototype.every.call(2.5, callbackfn), 'Array.prototype.every.call(2.5, callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-2-12.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-2-12
 description: >
     Array.prototype.every - 'length' is own accessor property without
     a get function that overrides an inherited accessor property
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var accessed = false;
 
         function callbackfn(val, idx, obj) {
@@ -17,7 +15,6 @@ function testcase() {
             return val > 10;
         }
 
-        try {
             Object.defineProperty(Object.prototype, "length", {
                 get: function () {
                     return 2;
@@ -31,10 +28,5 @@ function testcase() {
                 configurable: true
             });
 
-            return Array.prototype.every.call(obj, callbackfn) && !accessed;
-        } finally {
-            delete Object.prototype.length;
-        }
-
-    }
-runTestCase(testcase);
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');

test/built-ins/Array/prototype/every/15.4.4.16-2-15.js

@@ -4,12 +4,9 @@
 /*---
 es5id: 15.4.4.16-2-15
 description: Array.prototype.every - 'length' is property of the global object
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
         function callbackfn1(val, idx, obj) {
             return val > 10;
         }
@@ -18,19 +15,11 @@ function testcase() {
             return val > 11;
         }
 
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[0] = 12;
             fnGlobalObject()[1] = 11;
             fnGlobalObject()[2] = 9;
             fnGlobalObject().length = 2;
-            return Array.prototype.every.call(fnGlobalObject(), callbackfn1) &&
-                !Array.prototype.every.call(fnGlobalObject(), callbackfn2);
-        } finally {
-            delete fnGlobalObject()[0];
-            delete fnGlobalObject()[1];
-            delete fnGlobalObject()[2];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+
+assert(Array.prototype.every.call(fnGlobalObject(), callbackfn1), 'Array.prototype.every.call(fnGlobalObject(), callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(fnGlobalObject(), callbackfn2), false, 'Array.prototype.every.call(fnGlobalObject(), callbackfn2)');

test/built-ins/Array/prototype/every/15.4.4.16-2-18.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-2-18
 description: >
     Array.prototype.every applied to String object, which implements
     its own property get method
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn1(val, idx, obj) {
             return parseInt(val, 10) > 1;
         }
@@ -19,12 +17,8 @@ function testcase() {
         }
 
         var str = new String("432");
-        try {
+
             String.prototype[3] = "1";
-            return Array.prototype.every.call(str, callbackfn1) &&
-            !Array.prototype.every.call(str, callbackfn2);
-        } finally {
-            delete String.prototype[3];
-        }
-    }
-runTestCase(testcase);
+
+assert(Array.prototype.every.call(str, callbackfn1), 'Array.prototype.every.call(str, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(str, callbackfn2), false, 'Array.prototype.every.call(str, callbackfn2)');

test/built-ins/Array/prototype/every/15.4.4.16-2-2.js

@@ -4,10 +4,8 @@
 /*---
 es5id: 15.4.4.16-2-2
 description: Array.prototype.every - 'length' is own data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn1(val, idx, obj) {
             return val > 10;
         }
@@ -16,13 +14,7 @@ function testcase() {
             return val > 11;
         }
 
-        try {
             Array.prototype[2] = 9;
 
-            return [12, 11].every(callbackfn1) &&
-                ![12, 11].every(callbackfn2);
-        } finally {
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert([12, 11].every(callbackfn1), '[12, 11].every(callbackfn1) !== true');
+assert.sameValue([12, 11].every(callbackfn2), false, '[12, 11].every(callbackfn2)');

test/built-ins/Array/prototype/every/15.4.4.16-2-4.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-2-4
 description: >
     Array.prototype.every - 'length' is own data property that
     overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var arrProtoLen = 0;
         function callbackfn1(val, idx, obj) {
             return val > 10;
@@ -19,17 +17,9 @@ function testcase() {
             return val > 11;
         }
 
-        try {
             arrProtoLen = Array.prototype.length;
             Array.prototype.length = 0;
             Array.prototype[2] = 9;
 
-            return [12, 11].every(callbackfn1) &&
-                ![12, 11].every(callbackfn2);
-        } finally {
-            Array.prototype.length = arrProtoLen;
-            delete Array.prototype[2];
-        }
-
-    }
-runTestCase(testcase);
+assert([12, 11].every(callbackfn1), '[12, 11].every(callbackfn1) !== true');
+assert.sameValue([12, 11].every(callbackfn2), false, '[12, 11].every(callbackfn2)');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-10.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-b-10
 description: >
     Array.prototype.every - deleting property of prototype causes
     prototype index property not to be visited on an Array-like Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var accessed = false;
         function callbackfn(val, idx, obj) {
             accessed = true;
@@ -25,11 +23,7 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
-            return Array.prototype.every.call(arr, callbackfn) && accessed;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(Array.prototype.every.call(arr, callbackfn), 'Array.prototype.every.call(arr, callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-11.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-b-11
 description: >
     Array.prototype.every - deleting property of prototype causes
     prototype index property not to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var accessed = false;
         function callbackfn(val, idx, obj) {
             accessed = true;
@@ -25,11 +23,7 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
-            return arr.every(callbackfn) && accessed;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-12.js

@@ -7,10 +7,8 @@ description: >
     Array.prototype.every - deleting own property with prototype
     property causes prototype index property to be visited on an
     Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             if (idx === 1 && val === 1) {
                 return false;
@@ -28,11 +26,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
-            return !Array.prototype.every.call(arr, callbackfn);
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.every.call(arr, callbackfn), false, 'Array.prototype.every.call(arr, callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-13.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-b-13
 description: >
     Array.prototype.every - deleting own property with prototype
     property causes prototype index property to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             if (idx === 1 && val === 1) {
                 return false;
@@ -27,11 +25,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
-            return !arr.every(callbackfn);
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-15.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-b-15
 description: >
     Array.prototype.every - decreasing length of array with prototype
     property causes prototype index property to be visited
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             if (idx === 2 && val === "prototype") {
                 return false;
@@ -19,7 +17,6 @@ function testcase() {
         }
         var arr = [0, 1, 2];
 
-        try {
             Object.defineProperty(Array.prototype, "2", {
                 get: function () {
                     return "prototype";
@@ -35,9 +32,4 @@ function testcase() {
                 configurable: true
             });
 
-            return !arr.every(callbackfn);
-        } finally {
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-6.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-b-6
 description: >
     Array.prototype.every - properties can be added to prototype after
     current position are visited on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             if (idx === 1 && val === 6.99) {
                 return false;
@@ -32,10 +30,4 @@ function testcase() {
             configurable: true
         });
 
-        try {
-            return !Array.prototype.every.call(arr, callbackfn);
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.every.call(arr, callbackfn), false, 'Array.prototype.every.call(arr, callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-b-7.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-b-7
 description: >
     Array.prototype.every - properties can be added to prototype after
     current position are visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             if (idx === 1 && val === 6.99) {
                 return false;
@@ -32,10 +30,4 @@ function testcase() {
             configurable: true
         });
 
-        try {
-            return !arr.every(callbackfn);
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-12.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.16-7-c-i-12
 description: >
     Array.prototype.every - element to be retrieved is own accessor
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             if (idx === 0) {
                 return val === 10;
@@ -19,7 +17,7 @@ function testcase() {
         }
 
         var arr = [];
-        try {
+
             Array.prototype[0] = 10;
 
             Object.defineProperty(arr, "0", {
@@ -29,9 +27,4 @@ function testcase() {
                 configurable: true
             });
 
-            return !arr.every(callbackfn);
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-14.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.16-7-c-i-14
 description: >
     Array.prototype.every - element to be retrieved is own accessor
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             if (idx === 0) {
                 return val === 5;
@@ -20,7 +17,7 @@ function testcase() {
         }
 
         var arr = [];
-        try {
+
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 5;
@@ -35,9 +32,4 @@ function testcase() {
                 configurable: true
             });
 
-            return !arr.every(callbackfn);
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-16.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.16-7-c-i-16
 description: >
     Array.prototype.every - element to be retrieved is inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             if (idx === 0) {
                 return val !== 11;
@@ -19,7 +16,6 @@ function testcase() {
             }
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 11;
@@ -27,9 +23,4 @@ function testcase() {
                 configurable: true
             });
 
-            return ![, , , ].every(callbackfn);
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue([, , , ].every(callbackfn), false, '[, , , ].every(callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-19.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.every - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
 
         function callbackfn(val, idx, obj) {
@@ -24,11 +21,8 @@ function testcase() {
             set: function () { },
             configurable: true
         });
-        try {
+
             Object.prototype[1] = 10;
-            return Array.prototype.every.call(obj, callbackfn) && accessed;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-20.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.every - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
 
         function callbackfn(val, idx, obj) {
@@ -26,11 +23,7 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[0] = 100;
-            return arr.every(callbackfn) && accessed;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-22.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.16-7-c-i-22
 description: >
     Array.prototype.every - element to be retrieved is inherited
     accessor property without a get function on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
 
         function callbackfn(val, idx, obj) {
@@ -18,16 +15,10 @@ function testcase() {
             return typeof val === "undefined";
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 set: function () { },
                 configurable: true
             });
 
-            return [, ].every(callbackfn) && accessed;
-        } finally {
-            delete Array.prototype[0];
-        }
-
-    }
-runTestCase(testcase);
+assert([, ].every(callbackfn), '[, ].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-23.js

@@ -6,13 +6,9 @@ es5id: 15.4.4.16-7-c-i-23
 description: >
     Array.prototype.every - This object is an global object which
     contains index property
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             if (idx === 0) {
                 return val !== 11;
@@ -21,14 +17,8 @@ function testcase() {
             }
         }
 
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[0] = 11;
             fnGlobalObject().length = 1;
-            return !Array.prototype.every.call(fnGlobalObject(), callbackfn);
-        } finally {
-            delete fnGlobalObject()[0];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.every.call(fnGlobalObject(), callbackfn), false, 'Array.prototype.every.call(fnGlobalObject(), callbackfn)');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-4.js

@@ -6,24 +6,16 @@ es5id: 15.4.4.16-7-c-i-4
 description: >
     Array.prototype.every - element to be retrieved is own data
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var called = 0;
         function callbackfn(val, idx, obj) {
             called++;
             return val === 12;
         }
 
-        try {
             Array.prototype[0] = 11;
             Array.prototype[1] = 11;
 
-            return [12, 12].every(callbackfn) && called === 2;
-        } finally {
-            delete Array.prototype[0];
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert([12, 12].every(callbackfn), '[12, 12].every(callbackfn) !== true');
+assert.sameValue(called, 2, 'called');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-6.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.16-7-c-i-6
 description: >
     Array.prototype.every - element to be retrieved is own data
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
 
         function callbackfn(val, idx, obj) {
@@ -18,16 +15,12 @@ function testcase() {
             return val === 11;
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 9;
                 },
                 configurable: true
             });
-            return [11].every(callbackfn) && accessed;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/every/15.4.4.16-7-c-i-8.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.16-7-c-i-8
 description: >
     Array.prototype.every - element to be retrieved is inherited data
     property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             if (idx === 1) {
                 return val !== 13;
@@ -19,11 +16,6 @@ function testcase() {
             }
         }
 
-        try {
             Array.prototype[1] = 13;
-            return ![, , , ].every(callbackfn);
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue([, , , ].every(callbackfn), false, '[, , , ].every(callbackfn)');

test/built-ins/Array/prototype/filter/15.4.4.20-1-10.js

@@ -4,22 +4,14 @@
 /*---
 es5id: 15.4.4.20-1-10
 description: Array.prototype.filter applied to the Math object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return '[object Math]' === Object.prototype.toString.call(obj);
         }
 
-        try {
             Math.length = 1;
             Math[0] = 1;
             var newArr = Array.prototype.filter.call(Math, callbackfn);
-            return newArr[0] === 1;
-        } finally {
-            delete Math[0];
-            delete Math.length;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr[0], 1, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-1-13.js

@@ -4,23 +4,14 @@
 /*---
 es5id: 15.4.4.20-1-13
 description: Array.prototype.filter applied to the JSON object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return '[object JSON]' === Object.prototype.toString.call(JSON);
         }
 
-        try {
             JSON.length = 1;
             JSON[0] = 1;
             var newArr = Array.prototype.filter.call(JSON, callbackfn);
-            return newArr[0] === 1;
-        } finally {
-            delete JSON.length;
-            delete JSON[0];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr[0], 1, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-1-3.js

@@ -4,24 +4,15 @@
 /*---
 es5id: 15.4.4.20-1-3
 description: Array.prototype.filter applied to boolean primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return obj instanceof Boolean;
         }
 
-        try {
             Boolean.prototype[0] = true;
             Boolean.prototype.length = 1;
 
             var newArr = Array.prototype.filter.call(false, callbackfn);
-            return newArr[0] === true;
 
-        } finally {
-            delete Boolean.prototype[0];
-            delete Boolean.prototype.length;
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr[0], true, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-1-5.js

@@ -4,23 +4,15 @@
 /*---
 es5id: 15.4.4.20-1-5
 description: Array.prototype.filter applied to number primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return obj instanceof Number;
         }
 
-        try {
             Number.prototype[0] = 1;
             Number.prototype.length = 1;
 
             var newArr = Array.prototype.filter.call(2.5, callbackfn);
-            return newArr[0] === 1;
-        } finally {
-            delete Number.prototype[0];
-            delete Number.prototype.length;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr[0], 1, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-2-12.js

@@ -6,18 +6,14 @@ es5id: 15.4.4.20-2-12
 description: >
     Array.prototype.filter - 'length' is own accessor property without
     a get function that overrides an inherited accessor property
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
         function callbackfn(val, idx, obj) {
             accessed = true;
             return true;
         }
 
-        try {
             Object.defineProperty(Object.prototype, "length", {
                 get: function () {
                     return 2;
@@ -32,9 +28,6 @@ function testcase() {
             });
 
             var newArr = Array.prototype.filter.call(obj, callbackfn);
-            return newArr.length === 0 && !accessed;
-        } finally {
-            delete Object.prototype.length;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr.length, 0, 'newArr.length');
+assert.sameValue(accessed, false, 'accessed');

test/built-ins/Array/prototype/filter/15.4.4.20-2-15.js

@@ -4,30 +4,18 @@
 /*---
 es5id: 15.4.4.20-2-15
 description: Array.prototype.filter - 'length' is property of the global object
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
-       
         function callbackfn(val, idx, obj) {
             return  obj.length === 2;
         }
 
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[0] = 12;
             fnGlobalObject()[1] = 11;
             fnGlobalObject()[2] = 9;
             fnGlobalObject().length = 2;
             var newArr = Array.prototype.filter.call(fnGlobalObject(), callbackfn);
-            return newArr.length === 2;
-        } finally {
-            delete fnGlobalObject()[0];
-            delete fnGlobalObject()[1];
-            delete fnGlobalObject()[2];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr.length, 2, 'newArr.length');

test/built-ins/Array/prototype/filter/15.4.4.20-2-4.js

@@ -6,24 +6,16 @@ es5id: 15.4.4.20-2-4
 description: >
     Array.prototype.filter - 'length' is own data property that
     overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arrProtoLen;
 
         function callbackfn(val, idx, obj) {
             return obj.length === 2;
         }
 
-        try {
             arrProtoLen = Array.prototype.length;
             Array.prototype.length = 0;
             var newArr = [12, 11].filter(callbackfn);
-            return newArr.length === 2;
-        } finally {
-            Array.prototype.length = arrProtoLen;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr.length, 2, 'newArr.length');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-10.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.20-9-b-10
 description: >
     Array.prototype.filter - deleting property of prototype causes
     prototype index property not to be visited on an Array-like Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return true;
         }
@@ -24,13 +21,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
             var newArr = Array.prototype.filter.call(obj, callbackfn);
 
-            return newArr.length === 2 && newArr[1] !== 1;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 2, 'newArr.length');
+assert.notSameValue(newArr[1], 1, 'newArr[1]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-11.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.20-9-b-11
 description: >
     Array.prototype.filter - deleting property of prototype causes
     prototype index property not to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return true;
         }
@@ -24,12 +21,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
             var newArr = arr.filter(callbackfn);
-            return newArr.length === 2 && newArr[1] !== 1;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr.length, 2, 'newArr.length');
+assert.notSameValue(newArr[1], 1, 'newArr[1]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-12.js

@@ -7,10 +7,8 @@ description: >
     Array.prototype.filter - deleting own property with prototype
     property causes prototype index property to be visited on an
     Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return true;
         }
@@ -24,13 +22,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
             var newArr = Array.prototype.filter.call(obj, callbackfn);
 
-            return newArr.length === 3 && newArr[1] === 1;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 3, 'newArr.length');
+assert.sameValue(newArr[1], 1, 'newArr[1]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-13.js

@@ -6,10 +6,8 @@ es5id: 15.4.4.20-9-b-13
 description: >
     Array.prototype.filter - deleting own property with prototype
     property causes prototype index property to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return val < 3 ? true : false;
         }
@@ -23,13 +21,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
             var newArr = arr.filter(callbackfn);
 
-            return newArr.length === 3 && newArr[1] === 1;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 3, 'newArr.length');
+assert.sameValue(newArr[1], 1, 'newArr[1]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-15.js

@@ -6,16 +6,13 @@ es5id: 15.4.4.20-9-b-15
 description: >
     Array.prototype.filter - decreasing length of array with prototype
     property causes prototype index property to be visited
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return true;
         }
         var arr = [0, 1, 2];
 
-        try {
             Object.defineProperty(Array.prototype, "2", {
                 get: function () {
                     return "prototype";
@@ -33,9 +30,5 @@ function testcase() {
 
             var newArr = arr.filter(callbackfn);
 
-            return newArr.length === 3 && newArr[2] === "prototype";
-        } finally {
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 3, 'newArr.length');
+assert.sameValue(newArr[2], "prototype", 'newArr[2]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-6.js

@@ -6,16 +6,13 @@ es5id: 15.4.4.20-9-b-6
 description: >
     Array.prototype.filter - properties can be added to prototype
     after current position are visited on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return true;
         }
         var obj = { length: 2 };
 
-        try {
             Object.defineProperty(obj, "0", {
                 get: function () {
                     Object.defineProperty(Object.prototype, "1", {
@@ -31,9 +28,5 @@ function testcase() {
 
             var newArr = Array.prototype.filter.call(obj, callbackfn);
 
-            return newArr.length === 2 && Array[1] === 6.99;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 2, 'newArr.length');
+assert.sameValue(Array[1], 6.99, 'Array[1]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-b-7.js

@@ -6,16 +6,13 @@ es5id: 15.4.4.20-9-b-7
 description: >
     Array.prototype.filter - properties can be added to prototype
     after current position are visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return true;
         }
         var arr = [0, , 2];
 
-        try {
             Object.defineProperty(arr, "0", {
                 get: function () {
                     Object.defineProperty(Array.prototype, "1", {
@@ -31,9 +28,5 @@ function testcase() {
 
             var newArr = arr.filter(callbackfn);
 
-            return newArr.length === 3 && newArr[1] === 6.99;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 3, 'newArr.length');
+assert.sameValue(newArr[1], 6.99, 'newArr[1]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-12.js

@@ -6,16 +6,14 @@ es5id: 15.4.4.20-9-c-i-12
 description: >
     Array.prototype.filter - element to be retrieved is own accessor
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         function callbackfn(val, idx, obj) {
             return val === 111 && idx === 0;
         }
 
         var arr = [];
-        try {
+
             Array.prototype[0] = 10;
 
             Object.defineProperty(arr, "0", {
@@ -26,9 +24,5 @@ function testcase() {
             });
             var newArr = arr.filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === 111;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 111, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-14.js

@@ -6,17 +6,14 @@ es5id: 15.4.4.20-9-c-i-14
 description: >
     Array.prototype.filter - element to be retrieved is own accessor
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return idx === 0 && val === 11;
         }
 
         var arr = [];
-        try {
+
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 5;
@@ -32,9 +29,5 @@ function testcase() {
             });
             var newArr = arr.filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === 11;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 11, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-16.js

@@ -6,16 +6,12 @@ es5id: 15.4.4.20-9-c-i-16
 description: >
     Array.prototype.filter - element to be retrieved is inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return idx === 0 && val === 11;
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 11;
@@ -24,9 +20,5 @@ function testcase() {
             });
             var newArr = [, , , ].filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === 11;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 11, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-19.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.filter - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return undefined === val && idx === 1;
         }
@@ -21,13 +18,9 @@ function testcase() {
             set: function () { },
             configurable: true
         });
-        try {
+
             Object.prototype[1] = 10;
             var newArr = Array.prototype.filter.call(obj, callbackfn);
 
-            return newArr.length === 1 && newArr[0] === undefined;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], undefined, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-20.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.filter - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return undefined === val && idx === 0;
         }
@@ -23,13 +20,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[0] = 100;
             var newArr = arr.filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === undefined;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], undefined, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-22.js

@@ -6,25 +6,17 @@ es5id: 15.4.4.20-9-c-i-22
 description: >
     Array.prototype.filter - element to be retrieved is inherited
     accessor property without a get function on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return undefined === val && idx === 0;
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 set: function () { },
                 configurable: true
             });
             var newArr = [, ].filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === undefined;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], undefined, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-23.js

@@ -6,26 +6,17 @@ es5id: 15.4.4.20-9-c-i-23
 description: >
     Array.prototype.filter - This object is the global object which
     contains index property
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return idx === 0 && val === 11;
         }
 
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[0] = 11;
             fnGlobalObject().length = 1;
             var newArr = Array.prototype.filter.call(fnGlobalObject(), callbackfn);
-            return newArr.length === 1 && newArr[0] === 11;
-        } finally {
-            delete fnGlobalObject()[0];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 11, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-4.js

@@ -6,22 +6,14 @@ es5id: 15.4.4.20-9-c-i-4
 description: >
     Array.prototype.filter - element to be retrieved is own data
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return (idx === 0) && (val === 12);
         }
 
-        try {
             Array.prototype[0] = 11;
             var newArr = [12].filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === 12;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 12, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-6.js

@@ -6,16 +6,12 @@ es5id: 15.4.4.20-9-c-i-6
 description: >
     Array.prototype.filter - element to be retrieved is own data
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return val === 11;
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 9;
@@ -24,9 +20,5 @@ function testcase() {
             });
             var newArr = [11].filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === 11;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 11, 'newArr[0]');

test/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-8.js

@@ -6,22 +6,14 @@ es5id: 15.4.4.20-9-c-i-8
 description: >
     Array.prototype.filter - element to be retrieved is inherited data
     property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         function callbackfn(val, idx, obj) {
             return (idx === 1) && (val === 13);
         }
 
-        try {
             Array.prototype[1] = 13;
             var newArr = [, , , ].filter(callbackfn);
 
-            return newArr.length === 1 && newArr[0] === 13;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 13, 'newArr[0]');

test/built-ins/Array/prototype/forEach/15.4.4.18-1-10.js

@@ -4,24 +4,16 @@
 /*---
 es5id: 15.4.4.18-1-10
 description: Array.prototype.forEach applied to the Math object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var result = false;
 
         function callbackfn(val, idx, obj) {
             result = ('[object Math]' === Object.prototype.toString.call(obj));
         }
 
-        try {
             Math.length = 1;
             Math[0] = 1;
             Array.prototype.forEach.call(Math, callbackfn);
-            return result;
-        } finally {
-            delete Math[0];
-            delete Math.length;
-        }
-    }
-runTestCase(testcase);
+
+assert(result, 'result !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-1-13.js

@@ -4,23 +4,15 @@
 /*---
 es5id: 15.4.4.18-1-13
 description: Array.prototype.forEach applied to the JSON object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var result = false;
         function callbackfn(val, idx, obj) {
             result = ('[object JSON]' === Object.prototype.toString.call(obj));
         }
 
-        try {
             JSON.length = 1;
             JSON[0] = 1;
             Array.prototype.forEach.call(JSON, callbackfn);
-            return result;
-        } finally {
-            delete JSON.length;
-            delete JSON[0];
-        }
-    }
-runTestCase(testcase);
+
+assert(result, 'result !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-1-3.js

@@ -4,26 +4,17 @@
 /*---
 es5id: 15.4.4.18-1-3
 description: Array.prototype.forEach applied to boolean primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var result = false;
 
         function callbackfn(val, idx, obj) {
             result = obj instanceof Boolean;
         }
 
-        try {
             Boolean.prototype[0] = true;
             Boolean.prototype.length = 1;
 
             Array.prototype.forEach.call(false, callbackfn);
-            return result;
 
-        } finally {
-            delete Boolean.prototype[0];
-            delete Boolean.prototype.length;
-        }
-    }
-runTestCase(testcase);
+assert(result, 'result !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-1-5.js

@@ -4,24 +4,16 @@
 /*---
 es5id: 15.4.4.18-1-5
 description: Array.prototype.forEach applied to number primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var result = false;
         function callbackfn(val, idx, obj) {
             result = obj instanceof Number;
         }
 
-        try {
             Number.prototype[0] = 1;
             Number.prototype.length = 1;
 
             Array.prototype.forEach.call(2.5, callbackfn);
-            return result;
-        } finally {
-            delete Number.prototype[0];
-            delete Number.prototype.length;
-        }
-    }
-runTestCase(testcase);
+
+assert(result, 'result !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-2-12.js

@@ -7,16 +7,13 @@ description: >
     Array.prototype.forEach - 'length' is own accessor property
     without a get function that overrides an inherited accessor
     property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var accessed = false;
         function callbackfn(val, idx, obj) {
             accessed = true;
         }
 
-        try {
             Object.defineProperty(Object.prototype, "length", {
                 get: function () {
                     return 2;
@@ -31,10 +28,5 @@ function testcase() {
             });
 
             Array.prototype.forEach.call(obj, callbackfn);
-            return !accessed;
-        } finally {
-            delete Object.prototype.length;
-        }
 
-    }
-runTestCase(testcase);
+assert.sameValue(accessed, false, 'accessed');

test/built-ins/Array/prototype/forEach/15.4.4.18-2-15.js

@@ -4,30 +4,19 @@
 /*---
 es5id: 15.4.4.18-2-15
 description: Array.prototype.forEach - 'length' is property of the global object
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
         var result = false;
         function callbackfn(val, idx, obj) {
             result = (obj.length === 2);
         }
 
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[0] = 12;
             fnGlobalObject()[1] = 11;
             fnGlobalObject()[2] = 9;
             fnGlobalObject().length = 2;
             Array.prototype.forEach.call(fnGlobalObject(), callbackfn);
-            return result;
-        } finally {
-            delete fnGlobalObject()[0];
-            delete fnGlobalObject()[1];
-            delete fnGlobalObject()[2];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+
+assert(result, 'result !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-2-4.js

@@ -6,24 +6,16 @@ es5id: 15.4.4.18-2-4
 description: >
     Array.prototype.forEach - 'length' is own data property that
     overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var result = false;
         var arrProtoLen;
         function callbackfn(val, idx, obj) {
             result = (obj.length === 2);
         }
 
-        try {
             arrProtoLen = Array.prototype.length;
             Array.prototype.length = 0;
             [12, 11].forEach(callbackfn);
-            return result;
-        } finally {
-            Array.prototype.length = arrProtoLen;
-        }
 
-    }
-runTestCase(testcase);
+assert(result, 'result !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-10.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-b-10
 description: >
     Array.prototype.forEach - deleting property of prototype causes
     prototype index property not to be visited on an Array-like Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
         var testResult = true;
 
@@ -31,12 +28,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
             Array.prototype.forEach.call(obj, callbackfn);
-            return testResult && accessed;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-11.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-b-11
 description: >
     Array.prototype.forEach - deleting property of prototype causes
     prototype index property not to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var accessed = false;
         var testResult = true;
 
@@ -31,12 +28,8 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
             arr.forEach(callbackfn);
-            return testResult && accessed;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');
+assert(accessed, 'accessed !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-12.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.forEach - deleting own property with prototype
     property causes prototype index property to be visited on an
     Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -30,12 +27,7 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
             Array.prototype.forEach.call(obj, callbackfn);
-            return testResult;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-13.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-b-13
 description: >
     Array.prototype.forEach - deleting own property with prototype
     property causes prototype index property to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -28,12 +25,7 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
             arr.forEach(callbackfn);
-            return testResult;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-15.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-b-15
 description: >
     Array.prototype.forEach - decreasing length of array with
     prototype property causes prototype index property to be visited
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -20,7 +17,6 @@ function testcase() {
         }
         var arr = [0, 1, 2];
 
-        try {
             Object.defineProperty(Array.prototype, "2", {
                 get: function () {
                     return "prototype";
@@ -38,9 +34,4 @@ function testcase() {
 
             arr.forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-6.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-b-6
 description: >
     Array.prototype.forEach - properties can be added to prototype
     after current position are visited on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -34,11 +31,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype.forEach.call(obj, callbackfn);
-            return testResult;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-b-7.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-b-7
 description: >
     Array.prototype.forEach - properties can be added to prototype
     after current position are visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -34,11 +31,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             arr.forEach(callbackfn);
-            return testResult;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-12.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-12
 description: >
     Array.prototype.forEach - element to be retrieved is own accessor
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -20,7 +17,7 @@ function testcase() {
         }
 
         var arr = [];
-        try {
+
             Array.prototype[0] = 10;
 
             Object.defineProperty(arr, "0", {
@@ -32,9 +29,4 @@ function testcase() {
 
             arr.forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-14.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-14
 description: >
     Array.prototype.forEach - element to be retrieved is own accessor
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -20,7 +17,7 @@ function testcase() {
         }
 
         var arr = [];
-        try {
+
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 5;
@@ -37,9 +34,4 @@ function testcase() {
 
             arr.forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-16.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-16
 description: >
     Array.prototype.forEach - element to be retrieved is inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -19,7 +16,6 @@ function testcase() {
             }
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 11;
@@ -29,9 +25,4 @@ function testcase() {
 
             [, , , ].forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-19.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.forEach - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -27,7 +24,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.defineProperty(Object.prototype, "1", {
                 get: function () {
                     return 10;
@@ -37,9 +33,4 @@ function testcase() {
 
             Array.prototype.forEach.call(obj, callbackfn);
 
-            return testResult;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-20.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.forEach - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -27,7 +24,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 100;
@@ -37,9 +33,4 @@ function testcase() {
 
             arr.forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-22.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-22
 description: >
     Array.prototype.forEach - element to be retrieved is inherited
     accessor property without a get function on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -19,7 +16,6 @@ function testcase() {
             }
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 set: function () { },
                 configurable: true
@@ -27,10 +23,4 @@ function testcase() {
 
             [, 1].forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-23.js

@@ -6,13 +6,9 @@ es5id: 15.4.4.18-7-c-i-23
 description: >
     Array.prototype.forEach - This object is an global object which
     contains index property
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -21,17 +17,10 @@ function testcase() {
             }
         }
 
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[0] = 11;
             fnGlobalObject().length = 1;
 
             Array.prototype.forEach.call(fnGlobalObject(), callbackfn);
 
-            return testResult;
-        } finally {
-            delete fnGlobalObject()[0];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-4.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-4
 description: >
     Array.prototype.forEach - element to be retrieved is own data
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -19,14 +16,8 @@ function testcase() {
             }
         }
 
-        try {
             Array.prototype[0] = 11;
 
             [12].forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-6.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-6
 description: >
     Array.prototype.forEach - element to be retrieved is own data
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -19,7 +16,6 @@ function testcase() {
             }
         }
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 9;
@@ -29,9 +25,4 @@ function testcase() {
 
             [11].forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/forEach/15.4.4.18-7-c-i-8.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.18-7-c-i-8
 description: >
     Array.prototype.forEach - element to be retrieved is inherited
     data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var testResult = false;
 
         function callbackfn(val, idx, obj) {
@@ -19,14 +16,8 @@ function testcase() {
             }
         }
 
-        try {
             Array.prototype[1] = 13;
 
             [, , , ].forEach(callbackfn);
 
-            return testResult;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert(testResult, 'testResult !== true');

test/built-ins/Array/prototype/indexOf/15.4.4.14-1-10.js

@@ -4,17 +4,9 @@
 /*---
 es5id: 15.4.4.14-1-10
 description: Array.prototype.indexOf applied to the Math object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-        try {
             Math[1] = true;
             Math.length = 2;
-            return Array.prototype.indexOf.call(Math, true) === 1;
-        } finally {
-            delete Math[1];
-            delete Math.length;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.indexOf.call(Math, true), 1, 'Array.prototype.indexOf.call(Math, true)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-1-13.js

@@ -4,18 +4,11 @@
 /*---
 es5id: 15.4.4.14-1-13
 description: Array.prototype.indexOf applied to the JSON object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var targetObj = {};
-        try {
+
             JSON[3] = targetObj;
             JSON.length = 5;
-            return Array.prototype.indexOf.call(JSON, targetObj) === 3;
-        } finally {
-            delete JSON[3];
-            delete JSON.length;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.indexOf.call(JSON, targetObj), 3, 'Array.prototype.indexOf.call(JSON, targetObj)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-1-17.js

@@ -4,20 +4,11 @@
 /*---
 es5id: 15.4.4.14-1-17
 description: Array.prototype.indexOf applied to the global object
-includes:
-    - runTestCase.js
-    - fnGlobalObject.js
+includes: [fnGlobalObject.js]
 ---*/
 
-function testcase() {
-        try {
             var oldLen = fnGlobalObject().length;
             fnGlobalObject()[1] = true;
             fnGlobalObject().length = 2;
-            return Array.prototype.indexOf.call(fnGlobalObject(), true) === 1;
-        } finally {
-            delete fnGlobalObject()[1];
-            fnGlobalObject().length = oldLen;
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.indexOf.call(fnGlobalObject(), true), 1, 'Array.prototype.indexOf.call(fnGlobalObject(), true)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-1-3.js

@@ -4,19 +4,11 @@
 /*---
 es5id: 15.4.4.14-1-3
 description: Array.prototype.indexOf applied to boolean primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var targetObj = {};
-        try {
+
             Boolean.prototype[1] = targetObj;
             Boolean.prototype.length = 2;
 
-            return Array.prototype.indexOf.call(true, targetObj) === 1;
-        } finally {
-            delete Boolean.prototype[1];
-            delete Boolean.prototype.length;
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call(true, targetObj), 1, 'Array.prototype.indexOf.call(true, targetObj)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-1-5.js

@@ -4,19 +4,11 @@
 /*---
 es5id: 15.4.4.14-1-5
 description: Array.prototype.indexOf applied to number primitive
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var targetObj = {};
-        try {
+
             Number.prototype[1] = targetObj;
             Number.prototype.length = 2;
 
-            return Array.prototype.indexOf.call(5, targetObj) === 1;
-        } finally {
-            delete Number.prototype[1];
-            delete Number.prototype.length;
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call(5, targetObj), 1, 'Array.prototype.indexOf.call(5, targetObj)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-2-12.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.indexOf - 'length' is own accessor property
     without a get function that overrides an inherited accessor
     property
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-        try {
             Object.defineProperty(Object.prototype, "length", {
                 get: function () {
                     return 20;
@@ -25,9 +22,4 @@ function testcase() {
                 configurable: true
             });
 
-            return Array.prototype.indexOf.call(obj, 1) === -1;
-        } finally {
-            delete Object.prototype.length;
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call(obj, 1), -1, 'Array.prototype.indexOf.call(obj, 1)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-2-18.js

@@ -6,17 +6,11 @@ es5id: 15.4.4.14-2-18
 description: >
     Array.prototype.indexOf applied to String object, which implements
     its own property get method
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var str = new String("012");
-        try {
+
             String.prototype[3] = "3";
-            return Array.prototype.indexOf.call(str, "2") === 2 &&
-                Array.prototype.indexOf.call(str, "3") === -1;
-        } finally {
-            delete String.prototype[3];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.indexOf.call(str, "2"), 2, 'Array.prototype.indexOf.call(str, "2")');
+assert.sameValue(Array.prototype.indexOf.call(str, "3"), -1, 'Array.prototype.indexOf.call(str, "3")');

test/built-ins/Array/prototype/indexOf/15.4.4.14-2-2.js

@@ -4,19 +4,12 @@
 /*---
 es5id: 15.4.4.14-2-2
 description: Array.prototype.indexOf - 'length' is own data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var targetObj = {};
-        try {
+
             Array.prototype[2] = targetObj;
             
-            return [0, targetObj].indexOf(targetObj) === 1 &&
-                [0, 1].indexOf(targetObj) === -1;
 
-        } finally {
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue([0, targetObj].indexOf(targetObj), 1, '[0, targetObj].indexOf(targetObj)');
+assert.sameValue([0, 1].indexOf(targetObj), -1, '[0, 1].indexOf(targetObj)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-2-4.js

@@ -6,23 +6,12 @@ es5id: 15.4.4.14-2-4
 description: >
     Array.prototype.indexOf - 'length' is own data property that
     overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var targetObj = {};
         var arrProtoLen;
 
-        try {
             arrProtoLen = Array.prototype.length;
             Array.prototype.length = 0;
 
-            return [0, targetObj].indexOf(targetObj) === 1;
-
-        } finally {
-
-            Array.prototype.length = arrProtoLen;
-        }
-    }
-runTestCase(testcase);
+assert.sameValue([0, targetObj].indexOf(targetObj), 1, '[0, targetObj].indexOf(targetObj)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-10.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.14-9-a-10
 description: >
     Array.prototype.indexOf - properties can be added to prototype
     after current position are visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [0, , 2];
 
         Object.defineProperty(arr, "0", {
@@ -26,10 +23,4 @@ function testcase() {
             configurable: true
         });
 
-        try {
-            return arr.indexOf(6.99) === 1;
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.indexOf(6.99), 1, 'arr.indexOf(6.99)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-13.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.14-9-a-13
 description: >
     Array.prototype.indexOf - deleting property of prototype causes
     prototype index property not to be visited on an Array-like Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = { 2: 2, length: 20 };
 
         Object.defineProperty(arr, "0", {
@@ -21,11 +18,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
-            return -1 === Array.prototype.indexOf.call(arr, 1);
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.indexOf.call(arr, 1), -1, 'Array.prototype.indexOf.call(arr, 1)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-14.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.14-9-a-14
 description: >
     Array.prototype.indexOf - deleting property of prototype causes
     prototype index property not to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [0, , 2];
 
         Object.defineProperty(arr, "0", {
@@ -21,11 +18,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
-            return -1 === arr.indexOf(1);
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(arr.indexOf(1), -1, 'arr.indexOf(1)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-15.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.indexOf - deleting own property with prototype
     property causes prototype index property to be visited on an
     Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = { 0: 0, 1: 111, 2: 2, length: 10 };
         
         Object.defineProperty(arr, "0", {
@@ -22,11 +19,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.prototype[1] = 1;
-            return 1 === Array.prototype.indexOf.call(arr, 1);
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(Array.prototype.indexOf.call(arr, 1), 1, 'Array.prototype.indexOf.call(arr, 1)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-16.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.14-9-a-16
 description: >
     Array.prototype.indexOf - deleting own property with prototype
     property causes prototype index property to be visited on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [0, 111, 2]; 
         
         Object.defineProperty(arr, "0", {
@@ -21,11 +18,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Array.prototype[1] = 1;
-            return 1 === arr.indexOf(1);
-        } finally {
-            delete Array.prototype[1];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue(arr.indexOf(1), 1, 'arr.indexOf(1)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-18.js

@@ -6,14 +6,10 @@ es5id: 15.4.4.14-9-a-18
 description: >
     Array.prototype.indexOf - decreasing length of array with
     prototype property causes prototype index property to be visited
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [0, 1, 2];
 
-        try {
             Object.defineProperty(Array.prototype, "2", {
                 get: function () {
                     return "prototype";
@@ -29,9 +25,4 @@ function testcase() {
                 configurable: true
             });
 
-            return 2 === arr.indexOf("prototype");
-        } finally {
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.indexOf("prototype"), 2, 'arr.indexOf("prototype")');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-a-9.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.14-9-a-9
 description: >
     Array.prototype.indexOf - properties can be added to prototype
     after current position are visited on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = { length: 2 };
 
         Object.defineProperty(arr, "0", {
@@ -26,10 +23,4 @@ function testcase() {
             configurable: true
         });
 
-        try {
-            return Array.prototype.indexOf.call(arr, 6.99) === 1;
-        } finally {
-            delete Object.prototype[1];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call(arr, 6.99), 1, 'Array.prototype.indexOf.call(arr, 6.99)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-11.js

@@ -6,13 +6,10 @@ es5id: 15.4.4.14-9-b-i-11
 description: >
     Array.prototype.indexOf - element to be retrieved is own accessor
     property that overrides an inherited data property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [];
-        try {
+
             Array.prototype[0] = false;
             Object.defineProperty(arr, "0", {
                 get: function () {
@@ -21,9 +18,4 @@ function testcase() {
                 configurable: true
             });
 
-            return 0 === arr.indexOf(true);
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.indexOf(true), 0, 'arr.indexOf(true)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-12.js

@@ -7,13 +7,10 @@ description: >
     Array.prototype.indexOf - element to be retrieved is own accessor
     property that overrides an inherited data property on an
     Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { length: 1 };
 
-        try {
             Object.prototype[0] = false;
             Object.defineProperty(obj, "0", {
                 get: function () {
@@ -22,9 +19,4 @@ function testcase() {
                 configurable: true
             });
 
-            return 0 === Array.prototype.indexOf.call(obj, true);
-        } finally {
-            delete Object.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call(obj, true), 0, 'Array.prototype.indexOf.call(obj, true)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-13.js

@@ -6,13 +6,10 @@ es5id: 15.4.4.14-9-b-i-13
 description: >
     Array.prototype.indexOf - element to be retrieved is own accessor
     property that overrides an inherited accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [];
-        try {
+
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return false;
@@ -27,9 +24,4 @@ function testcase() {
                 configurable: true
             });
 
-            return 0 === arr.indexOf(true);
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.indexOf(true), 0, 'arr.indexOf(true)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-14.js

@@ -7,14 +7,10 @@ description: >
     Array.prototype.indexOf - element to be retrieved is own accessor
     property that overrides an inherited accessor property on an
     Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var obj = { length: 1 };
 
-        try {
             Object.defineProperty(Object.prototype, "0", {
                 get: function () {
                     return false;
@@ -29,9 +25,4 @@ function testcase() {
                 configurable: true
             });
 
-            return 0 === Array.prototype.indexOf.call(obj, true);
-        } finally {
-            delete Object.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call(obj, true), 0, 'Array.prototype.indexOf.call(obj, true)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-15.js

@@ -6,11 +6,8 @@ es5id: 15.4.4.14-9-b-i-15
 description: >
     Array.prototype.indexOf - element to be retrieved is inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 10;
@@ -32,13 +29,6 @@ function testcase() {
                 configurable: true
             });
 
-            return 0 === [, , , ].indexOf(10) &&
-                1 === [, , , ].indexOf(20) && 
-                2 === [, , , ].indexOf(30);
-        } finally {
-            delete Array.prototype[0];
-            delete Array.prototype[1]; 
-            delete Array.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue([, , , ].indexOf(10), 0, '[, , , ].indexOf(10)');
+assert.sameValue([, , , ].indexOf(20), 1, '[, , , ].indexOf(20)');
+assert.sameValue([, , , ].indexOf(30), 2, '[, , , ].indexOf(30)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-16.js

@@ -6,12 +6,8 @@ es5id: 15.4.4.14-9-b-i-16
 description: >
     Array.prototype.indexOf - element to be retrieved is inherited
     accessor property on an Array-like object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
-        try {
             Object.defineProperty(Object.prototype, "0", {
                 get: function () {
                     return 10;
@@ -33,13 +29,6 @@ function testcase() {
                 configurable: true
             });
 
-            return 0 === Array.prototype.indexOf.call({ length: 3 }, 10) &&
-                1 === Array.prototype.indexOf.call({ length: 3 }, 20) &&
-                2 === Array.prototype.indexOf.call({ length: 3 }, 30);
-        } finally {
-            delete Object.prototype[0];
-            delete Object.prototype[1];
-            delete Object.prototype[2];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(Array.prototype.indexOf.call({ length: 3 }, 10), 0, 'Array.prototype.indexOf.call({ length: 3 }, 10)');
+assert.sameValue(Array.prototype.indexOf.call({ length: 3 }, 20), 1, 'Array.prototype.indexOf.call({ length: 3 }, 20)');
+assert.sameValue(Array.prototype.indexOf.call({ length: 3 }, 30), 2, 'Array.prototype.indexOf.call({ length: 3 }, 30)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-19.js

@@ -7,11 +7,8 @@ description: >
     Array.prototype.indexOf - element to be retrieved is own accessor
     property without a get function that overrides an inherited
     accessor property on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var arr = [];
 
         Object.defineProperty(arr, "0", {
@@ -19,7 +16,6 @@ function testcase() {
             configurable: true
         });
 
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 get: function () {
                     return 2;
@@ -27,9 +23,4 @@ function testcase() {
                 configurable: true
             });
 
-            return arr.indexOf(undefined) === 0;
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+assert.sameValue(arr.indexOf(undefined), 0, 'arr.indexOf(undefined)');

test/built-ins/Array/prototype/indexOf/15.4.4.14-9-b-i-21.js

@@ -6,18 +6,11 @@ es5id: 15.4.4.14-9-b-i-21
 description: >
     Array.prototype.indexOf - element to be retrieved is inherited
     accessor property without a get function on an Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-        try {
             Object.defineProperty(Array.prototype, "0", {
                 set: function () { },
                 configurable: true
             });
-            return 0 === [, ].indexOf(undefined);
-        } finally {
-            delete Array.prototype[0];
-        }
-    }
-runTestCase(testcase);
+
+assert.sameValue([, ].indexOf(undefined), 0, '[, ].indexOf(undefined)');