Replace runTestCase with assert helpers [test/built-ins/Object/{getOwnPropertyNames, keys}]

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-1.js

@@ -4,12 +4,6 @@
 /*---
 es5id: 15.2.3.4-0-1
 description: Object.getOwnPropertyNames must exist as a function
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-  if (typeof(Object.getOwnPropertyNames) === "function") {
-    return true;
-  }
- }
-runTestCase(testcase);
+assert.sameValue(typeof(Object.getOwnPropertyNames), "function", 'typeof(Object.getOwnPropertyNames)');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-2.js

@@ -6,12 +6,6 @@ es5id: 15.2.3.4-0-2
 description: >
     Object.getOwnPropertyNames must exist as a function taking 1
     parameter
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-  if (Object.getOwnPropertyNames.length === 1) {
-    return true;
-  }
- }
-runTestCase(testcase);
+assert.sameValue(Object.getOwnPropertyNames.length, 1, 'Object.getOwnPropertyNames.length');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-4.js

@@ -6,11 +6,6 @@ es5id: 15.2.3.4-1-4
 description: >
     Object.getOwnPropertyNames does not throw TypeError if 'O' is a
     boolean
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
     Object.getOwnPropertyNames(true);
-    return true;
-}
-runTestCase(testcase);

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-5.js

@@ -6,11 +6,6 @@ es5id: 15.2.3.4-1-5
 description: >
     Object.getOwnPropertyNames does not throw TypeError if 'O' is a
     string
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
     Object.getOwnPropertyNames("abc");
-    return true;
-}
-runTestCase(testcase);

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-1.js

@@ -6,11 +6,6 @@ es5id: 15.2.3.4-1
 description: >
     Object.getOwnPropertyNames does not throw TypeError if type of
     first param is not Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
     Object.getOwnPropertyNames(0);
-    return true;
- }
-runTestCase(testcase);

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-1.js

@@ -6,14 +6,9 @@ es5id: 15.2.3.4-2-1
 description: >
     Object.getOwnPropertyNames - returned array is an array according
     to Array.isArray
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var obj = {};
         var result = Object.getOwnPropertyNames(obj);
 
-        return Array.isArray(result);
-    }
-runTestCase(testcase);
+assert(Array.isArray(result), 'Array.isArray(result) !== true');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-2.js

@@ -4,13 +4,9 @@
 /*---
 es5id: 15.2.3.4-2-2
 description: Object.getOwnPropertyNames - returned array is an instance of Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = {};
         var result = Object.getOwnPropertyNames(obj);
 
-        return result instanceof Array;
-    }
-runTestCase(testcase);
+assert(result instanceof Array, 'result instanceof Array !== true');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-3.js

@@ -6,14 +6,9 @@ es5id: 15.2.3.4-2-3
 description: >
     Object.getOwnPropertyNames - length of returned array is
     initialized to 0
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var obj = {};
         var result = Object.getOwnPropertyNames(obj);
 
-        return result.length === 0;
-    }
-runTestCase(testcase);
+assert.sameValue(result.length, 0, 'result.length');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-3-1.js

@@ -6,14 +6,11 @@ es5id: 15.2.3.4-3-1
 description: >
     Object.getOwnPropertyNames - elements of the returned array start
     from index 0
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { prop1: 1001 };
 
         var arr = Object.getOwnPropertyNames(obj);
 
-        return arr.hasOwnProperty(0) && arr[0] === "prop1";
-    }
-runTestCase(testcase);
+assert(arr.hasOwnProperty(0), 'arr.hasOwnProperty(0) !== true');
+assert.sameValue(arr[0], "prop1", 'arr[0]');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-2.js

@@ -4,15 +4,10 @@
 /*---
 es5id: 15.2.3.4-4-2
 description: Object.getOwnPropertyNames returns array of property names (Object)
-includes:
-    - runTestCase.js
-    - arrayContains.js
+includes: [arrayContains.js]
 ---*/
 
-function testcase() {
   var result = Object.getOwnPropertyNames(Object);
   var expResult = ["getPrototypeOf", "getOwnPropertyDescriptor", "getOwnPropertyNames", "create", "defineProperty", "defineProperties", "seal", "freeze", "preventExtensions", "isSealed", "isFrozen", "isExtensible", "keys", "prototype", "length"];
 
-  return arrayContains(result, expResult);
- }
-runTestCase(testcase);
+assert(arrayContains(result, expResult), 'arrayContains(result, expResult) !== true');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-38.js

@@ -6,15 +6,10 @@ es5id: 15.2.3.4-4-38
 description: >
     Object.getOwnPropertyNames - own data properties are pushed into
     the returned array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-
         var obj = { "a": "a" };
 
         var result = Object.getOwnPropertyNames(obj);
 
-        return result[0] === "a";
-    }
-runTestCase(testcase);
+assert.sameValue(result[0], "a", 'result[0]');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-39.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.4-4-39
 description: >
     Object.getOwnPropertyNames - own accessor properties are pushed
     into the returned array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = {};
         Object.defineProperty(obj, "a", {
             get: function () {
@@ -20,6 +18,4 @@ function testcase() {
 
         var result = Object.getOwnPropertyNames(obj);
 
-        return result[0] === "a";
-    }
-runTestCase(testcase);
+assert.sameValue(result[0], "a", 'result[0]');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-44.js

@@ -6,19 +6,13 @@ es5id: 15.2.3.4-4-44
 description: >
     Object.getOwnPropertyNames - own index properties of String object
     are pushed into the returned Array
-includes:
-    - runTestCase.js
-    - compareArray.js
+includes: [compareArray.js]
 ---*/
 
-function testcase() {
-
   var str = new String("abc");
   str[5] = "de";
 
   var expected = ["0", "1", "2", "5", "length"];
   var actual = Object.getOwnPropertyNames(str);
 
-  return compareArray(actual, expected);
-}
-runTestCase(testcase);
+assert(compareArray(actual, expected), 'compareArray(actual, expected) !== true');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-49.js

@@ -6,16 +6,11 @@ es5id: 15.2.3.4-4-49
 description: >
     Object.getOwnPropertyNames - own index properties of Array objcect
     are pushed into the returned Array
-includes:
-    - runTestCase.js
-    - compareArray.js
+includes: [compareArray.js]
 ---*/
 
-function testcase() {
   var arr = [0, 1, 2];
   var expected = ["0", "1", "2", "length"];
   var actual = Object.getOwnPropertyNames(arr);
 
-  return compareArray(actual, expected);
-}
-runTestCase(testcase);
+assert(compareArray(actual, expected), 'compareArray(actual, expected) !== true');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-50.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.4-4-50
 description: >
     Object.getOwnPropertyNames - non-enumerable own property of 'O' is
     pushed into the returned Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = {};
 
         Object.defineProperty(obj, "nonEnumerableProp", {
@@ -20,6 +18,4 @@ function testcase() {
 
         var result = Object.getOwnPropertyNames(obj);
 
-        return result[0] === "nonEnumerableProp";
-    }
-runTestCase(testcase);
+assert.sameValue(result[0], "nonEnumerableProp", 'result[0]');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-1.js

@@ -6,19 +6,14 @@ es5id: 15.2.3.4-4-b-1
 description: >
     Object.getOwnPropertyNames - descriptor of resultant array is all
     true
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var obj = new Object();
   obj.x = 1;
   obj.y = 2;
   var result = Object.getOwnPropertyNames(obj);
   var desc = Object.getOwnPropertyDescriptor(result,"0");
-  if (desc.enumerable === true &&
-      desc.configurable === true &&
-      desc.writable === true) {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(desc.enumerable, true, 'desc.enumerable');
+assert.sameValue(desc.configurable, true, 'desc.configurable');
+assert.sameValue(desc.writable, true, 'desc.writable');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-2.js

@@ -6,12 +6,9 @@ es5id: 15.2.3.4-4-b-2
 description: >
   Object.getOwnPropertyNames - all own properties are pushed into
   the returned array
-includes:
-  - runTestCase.js
-  - compareArray.js
+includes: [compareArray.js]
 ---*/
 
-function testcase() {
   var obj = { "a": "a" };
 
   Object.defineProperty(obj, "b", {
@@ -39,6 +36,4 @@ function testcase() {
   var actual = Object.getOwnPropertyNames(obj);
   var expected = ["a", "b", "c", "d"];
 
-  return compareArray(actual, expected);
-}
-runTestCase(testcase);
+assert(compareArray(actual, expected), 'compareArray(actual, expected) !== true');

test/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-6.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.4-4-b-6
 description: >
     Object.getOwnPropertyNames - elements of the returned array are
     configurable
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { "a": "a" };
 
         var result = Object.getOwnPropertyNames(obj);
@@ -18,6 +16,5 @@ function testcase() {
         delete result[0];
         var afterDeleted = (result.hasOwnProperty("0"));
 
-        return beforeDeleted && !afterDeleted;
-    }
-runTestCase(testcase);
+assert(beforeDeleted, 'beforeDeleted !== true');
+assert.sameValue(afterDeleted, false, 'afterDeleted');

test/built-ins/Object/keys/15.2.3.14-0-1.js

@@ -4,13 +4,8 @@
 /*---
 es5id: 15.2.3.14-0-1
 description: Object.keys must exist as a function
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var f = Object.keys;
-  if (typeof(f) === "function") {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(typeof(f), "function", 'typeof(f)');

test/built-ins/Object/keys/15.2.3.14-0-2.js

@@ -4,12 +4,6 @@
 /*---
 es5id: 15.2.3.14-0-2
 description: Object.keys must exist as a function taking 1 parameter
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
-  if (Object.keys.length === 1) {
-    return true;
-  }
- }
-runTestCase(testcase);
+assert.sameValue(Object.keys.length, 1, 'Object.keys.length');

test/built-ins/Object/keys/15.2.3.14-1-1.js

@@ -6,11 +6,6 @@ es5id: 15.2.3.14-1-1
 description: >
     Object.keys does not throw TypeError if type of first param is not
     Object
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
     Object.keys(0);
-    return true;
-}
-runTestCase(testcase);

test/built-ins/Object/keys/15.2.3.14-1-2.js

@@ -6,11 +6,6 @@ es5id: 15.2.3.14-1-2
 description: >
     Object.keys does not throw TypeError if type of first param is not
     Object (boolean)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
     Object.keys(true);
-    return true;
-}
-runTestCase(testcase);

test/built-ins/Object/keys/15.2.3.14-1-3.js

@@ -6,11 +6,6 @@ es5id: 15.2.3.14-1-3
 description: >
     Object.keys does not throw TypeError if type of first param is not
     Object (string)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
     Object.keys('abc');
-    return true;
-}
-runTestCase(testcase);

test/built-ins/Object/keys/15.2.3.14-2-1.js

@@ -4,15 +4,10 @@
 /*---
 es5id: 15.2.3.14-2-1
 description: Object.keys returns the standard built-in Array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { x: 1, y: 2};
 
   var a = Object.keys(o);
-  if (Array.isArray(a) === true) {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(Array.isArray(a), true, 'Array.isArray(a)');

test/built-ins/Object/keys/15.2.3.14-2-2.js

@@ -4,16 +4,11 @@
 /*---
 es5id: 15.2.3.14-2-2
 description: Object.keys returns the standard built-in Array (check [[Class]]
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { x: 1, y: 2};
 
   var a = Object.keys(o);
   var s = Object.prototype.toString.call(a);
-  if (s === '[object Array]') {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(s, '[object Array]', 's');

test/built-ins/Object/keys/15.2.3.14-2-3.js

@@ -4,10 +4,8 @@
 /*---
 es5id: 15.2.3.14-2-3
 description: Object.keys returns the standard built-in Array (Array overridden)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   function Array() { }
 
   var o = { x: 1, y: 2};
@@ -15,8 +13,5 @@ function testcase() {
   var a = Object.keys(o);
 
   var s = Object.prototype.toString.call(a);
-  if (s === '[object Array]') {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(s, '[object Array]', 's');

test/built-ins/Object/keys/15.2.3.14-2-4.js

@@ -4,15 +4,10 @@
 /*---
 es5id: 15.2.3.14-2-4
 description: Object.keys returns the standard built-in Array that is extensible
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { x: 1, y: 2};
 
   var a = Object.keys(o);
-  if (Object.isExtensible(a) === true) {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(Object.isExtensible(a), true, 'Object.isExtensible(a)');

test/built-ins/Object/keys/15.2.3.14-2-5.js

@@ -4,15 +4,10 @@
 /*---
 es5id: 15.2.3.14-2-5
 description: Object.keys returns the standard built-in Array that is not sealed
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { x: 1, y: 2};
 
   var a = Object.keys(o);
-  if (Object.isSealed(a) === false) {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(Object.isSealed(a), false, 'Object.isSealed(a)');

test/built-ins/Object/keys/15.2.3.14-2-6.js

@@ -4,15 +4,10 @@
 /*---
 es5id: 15.2.3.14-2-6
 description: Object.keys returns the standard built-in Array that is not frozen
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { x: 1, y: 2};
 
   var a = Object.keys(o);
-  if (Object.isFrozen(a) === false) {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(Object.isFrozen(a), false, 'Object.isFrozen(a)');

test/built-ins/Object/keys/15.2.3.14-2-7.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-2-7
 description: >
     Object.keys - 'n' is 0 when 'O' doesn't contain own enumerable
     data or accessor properties
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = {};
 
         Object.defineProperty(obj, "prop1", {
@@ -28,6 +26,4 @@ function testcase() {
 
         var arr = Object.keys(obj);
 
-        return arr.length === 0;
-    }
-runTestCase(testcase);
+assert.sameValue(arr.length, 0, 'arr.length');

test/built-ins/Object/keys/15.2.3.14-2-8.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-2-8
 description: >
     Object.keys - 'n' is the correct value when enumerable properties
     exist in 'O'
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = {
             prop1: 1001,
             prop2: function () {
@@ -33,6 +31,6 @@ function testcase() {
 
         var arr = Object.keys(obj);
 
-        return (arr.length === 2) && (arr[0] === "prop1") && (arr[1] === "prop2");
-    }
-runTestCase(testcase);
+assert.sameValue(arr.length, 2, 'arr.length');
+assert.sameValue(arr[0], "prop1", 'arr[0]');
+assert.sameValue(arr[1], "prop2", 'arr[1]');

test/built-ins/Object/keys/15.2.3.14-3-1.js

@@ -6,17 +6,12 @@ es5id: 15.2.3.14-3-1
 description: >
     Object.keys returns the standard built-in Array containing own
     enumerable properties
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = { x: 1, y: 2};
 
   var a = Object.keys(o);
-  if (a.length === 2 &&
-      a[0] === 'x' &&
-      a[1] === 'y') {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(a.length, 2, 'a.length');
+assert.sameValue(a[0], 'x', 'a[0]');
+assert.sameValue(a[1], 'y', 'a[1]');

test/built-ins/Object/keys/15.2.3.14-3-2.js

@@ -6,17 +6,12 @@ es5id: 15.2.3.14-3-2
 description: >
     Object.keys returns the standard built-in Array containing own
     enumerable properties (function)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   function foo() {}
   foo.x = 1;
   
   var a = Object.keys(foo);
-  if (a.length === 1 &&
-      a[0] === 'x') {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(a.length, 1, 'a.length');
+assert.sameValue(a[0], 'x', 'a[0]');

test/built-ins/Object/keys/15.2.3.14-3-3.js

@@ -6,16 +6,11 @@ es5id: 15.2.3.14-3-3
 description: >
     Object.keys returns the standard built-in Array containing own
     enumerable properties (array)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   var o = [1, 2];
   var a = Object.keys(o);
-  if (a.length === 2 &&
-      a[0] === '0' &&
-      a[1] === '1') {
-    return true;
-  }
- }
-runTestCase(testcase);
+
+assert.sameValue(a.length, 2, 'a.length');
+assert.sameValue(a[0], '0', 'a[0]');
+assert.sameValue(a[1], '1', 'a[1]');

test/built-ins/Object/keys/15.2.3.14-3-4.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-3-4
 description: >
     Object.keys of an arguments object returns the indices of the
     given arguments
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
   function testArgs2(x, y, z) {
     // Properties of the arguments object are enumerable.
     var a = Object.keys(arguments);
@@ -28,6 +26,7 @@ function testcase() {
     if (a.length === 4 && a[0] in arguments && a[1] in arguments && a[2] in arguments && a[3] in arguments)
       return true;
   }
-  return testArgs2(1, 2) && testArgs3(1, 2, 3) && testArgs4(1, 2, 3, 4);
- }
-runTestCase(testcase);
+
+assert(testArgs2(1, 2), 'testArgs2(1, 2) !== true');
+assert(testArgs3(1, 2, 3), 'testArgs3(1, 2, 3) !== true');
+assert(testArgs4(1, 2, 3, 4), 'testArgs4(1, 2, 3, 4) !== true');

test/built-ins/Object/keys/15.2.3.14-3-6.js

@@ -6,14 +6,10 @@ es5id: 15.2.3.14-3-6
 description: >
     Object.keys - returns the standard built-in Array (instanceof
     Array)
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = {};
 
         var arr = Object.keys(obj);
 
-        return arr instanceof Array;
-    }
-runTestCase(testcase);
+assert(arr instanceof Array, 'arr instanceof Array !== true');

test/built-ins/Object/keys/15.2.3.14-3-7.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-3-7
 description: >
     Object.keys - length of the returned array equals the number of
     own enumerable properties of 'O'
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { prop1: 1001, prop2: 1002 };
 
         Object.defineProperty(obj, "prop3", {
@@ -28,6 +26,4 @@ function testcase() {
 
         var arr = Object.keys(obj);
 
-        return arr.length === 3;
-    }
-runTestCase(testcase);
+assert.sameValue(arr.length, 3, 'arr.length');

test/built-ins/Object/keys/15.2.3.14-4-1.js

@@ -4,10 +4,8 @@
 /*---
 es5id: 15.2.3.14-4-1
 description: Object.keys - elements of the returned array start from index 0
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { prop1: 1001, prop2: 1002 };
 
         Object.defineProperty(obj, "prop3", {
@@ -26,6 +24,5 @@ function testcase() {
 
         var arr = Object.keys(obj);
 
-        return arr.hasOwnProperty(0) && arr[0] === "prop1";
-    }
-runTestCase(testcase);
+assert(arr.hasOwnProperty(0), 'arr.hasOwnProperty(0) !== true');
+assert.sameValue(arr[0], "prop1", 'arr[0]');

test/built-ins/Object/keys/15.2.3.14-5-1.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-5-1
 description: >
     Object.keys - own enumerable data property of 'O' is defined in
     returned array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { };
 
         Object.defineProperty(obj, "prop", {
@@ -20,6 +18,5 @@ function testcase() {
 
         var arr = Object.keys(obj);
 
-        return arr.hasOwnProperty(0) && arr[0] === "prop";
-    }
-runTestCase(testcase);
+assert(arr.hasOwnProperty(0), 'arr.hasOwnProperty(0) !== true');
+assert.sameValue(arr[0], "prop", 'arr[0]');

test/built-ins/Object/keys/15.2.3.14-5-2.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-5-2
 description: >
     Object.keys - own enumerable accessor property of 'O' is defined
     in returned array
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { };
 
         Object.defineProperty(obj, "prop", {
@@ -22,6 +20,5 @@ function testcase() {
 
         var arr = Object.keys(obj);
 
-        return arr.hasOwnProperty(0) && arr[0] === "prop";
-    }
-runTestCase(testcase);
+assert(arr.hasOwnProperty(0), 'arr.hasOwnProperty(0) !== true');
+assert.sameValue(arr[0], "prop", 'arr[0]');

test/built-ins/Object/keys/15.2.3.14-5-a-1.js

@@ -6,16 +6,13 @@ es5id: 15.2.3.14-5-a-1
 description: >
     Object.keys - 'value' attribute of element in returned array is
     correct.
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { prop1: 1 };
 
         var array = Object.keys(obj);
 
         var desc = Object.getOwnPropertyDescriptor(array, "0");
 
-        return desc.hasOwnProperty("value") && desc.value === "prop1";
-    }
-runTestCase(testcase);
+assert(desc.hasOwnProperty("value"), 'desc.hasOwnProperty("value") !== true');
+assert.sameValue(desc.value, "prop1", 'desc.value');

test/built-ins/Object/keys/15.2.3.14-5-a-3.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-5-a-3
 description: >
     Object.keys - 'enumerable' attribute of element of returned array
     is correct
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { prop1: 100 };
 
         var array = Object.keys(obj);
@@ -21,6 +19,6 @@ function testcase() {
             }
         }
 
-        return result && desc.hasOwnProperty("enumerable") && desc.enumerable === true;
-    }
-runTestCase(testcase);
+assert(result, 'result !== true');
+assert(desc.hasOwnProperty("enumerable"), 'desc.hasOwnProperty("enumerable") !== true');
+assert.sameValue(desc.enumerable, true, 'desc.enumerable');

test/built-ins/Object/keys/15.2.3.14-5-a-4.js

@@ -6,10 +6,8 @@ es5id: 15.2.3.14-5-a-4
 description: >
     Object.keys - Verify that 'configurable' attribute of element of
     returned array is correct
-includes: [runTestCase.js]
 ---*/
 
-function testcase() {
         var obj = { prop1: 100 };
 
         var array = Object.keys(obj);
@@ -17,6 +15,6 @@ function testcase() {
 
         delete array[0];
 
-        return typeof array[0] === "undefined" && desc.hasOwnProperty("configurable") && desc.configurable === true;
-    }
-runTestCase(testcase);
+assert.sameValue(typeof array[0], "undefined", 'typeof array[0]');
+assert(desc.hasOwnProperty("configurable"), 'desc.hasOwnProperty("configurable") !== true');
+assert.sameValue(desc.configurable, true, 'desc.configurable');