fixup! rename test files + review fixes

test/built-ins/TypedArrays/buffer-arg-defined-length-and-offset.js

@@ -20,16 +20,12 @@ testWithTypedArrayConstructors(function(TA) {
   var ta1 = new TA(buffer, offset, 2);
   assert.sameValue(ta1.length, 2, "ta1.length");
   assert.sameValue(ta1.buffer, buffer, "ta1.buffer");
-  assert.sameValue(
-    Object.getPrototypeOf(ta1), TA.prototype,
-    "Object.getPrototypeOf(ta1)"
-  );
+  assert.sameValue(ta1.constructor, TA);
+  assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype);
 
   var ta2 = new TA(buffer, offset, 0);
   assert.sameValue(ta2.length, 0, "ta2.length");
   assert.sameValue(ta2.buffer, buffer, "ta2.buffer");
-  assert.sameValue(
-    Object.getPrototypeOf(ta2), TA.prototype,
-    "Object.getPrototypeOf(ta2)"
-  );
+  assert.sameValue(ta2.constructor, TA);
+  assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype);
 });

test/built-ins/TypedArrays/buffer-arg-defined-length.js

@@ -22,10 +22,12 @@ testWithTypedArrayConstructors(function(TA) {
   var ta1 = new TA(buffer, 0, length);
   assert.sameValue(ta1.length, length);
   assert.sameValue(ta1.buffer, buffer);
+  assert.sameValue(ta1.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype);
 
   var ta2 = new TA(buffer, 0, 0);
   assert.sameValue(ta2.length, 0);
   assert.sameValue(ta2.buffer, buffer);
+  assert.sameValue(ta2.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype);
 });

test/built-ins/TypedArrays/buffer-arg-defined-negative-length.js

@@ -16,26 +16,29 @@ includes: [testTypedArray.js]
 
 testWithTypedArrayConstructors(function(TA) {
   var bpe = TA.BYTES_PER_ELEMENT;
-  var length = 4;
-  var buffer = new ArrayBuffer(bpe * length * 4);
+  var buffer = new ArrayBuffer(bpe * 2);
 
   var ta1 = new TA(buffer, 0, -1);
   assert.sameValue(ta1.length, 0);
   assert.sameValue(ta1.buffer, buffer);
+  assert.sameValue(ta1.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype);
 
   var ta2 = new TA(buffer, 0, -Infinity);
   assert.sameValue(ta2.length, 0);
   assert.sameValue(ta2.buffer, buffer);
+  assert.sameValue(ta2.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype);
 
-  var ta3 = new TA(buffer, 8, -1);
+  var ta3 = new TA(buffer, bpe, -1);
   assert.sameValue(ta3.length, 0);
   assert.sameValue(ta3.buffer, buffer);
+  assert.sameValue(ta3.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta3), TA.prototype);
 
-  var ta4 = new TA(buffer, 8, -Infinity);
+  var ta4 = new TA(buffer, bpe, -Infinity);
   assert.sameValue(ta4.length, 0);
   assert.sameValue(ta4.buffer, buffer);
+  assert.sameValue(ta4.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta4), TA.prototype);
 });

test/built-ins/TypedArrays/buffer-arg-defined-offset.js

@@ -20,10 +20,12 @@ testWithTypedArrayConstructors(function(TA) {
   var ta1 = new TA(buffer, bpe * 2);
   assert.sameValue(ta1.length, 2);
   assert.sameValue(ta1.buffer, buffer);
+  assert.sameValue(ta1.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype);
 
   var ta2 = new TA(buffer, 0);
   assert.sameValue(ta2.length, 4);
   assert.sameValue(ta2.buffer, buffer);
+  assert.sameValue(ta2.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype);
 });

test/built-ins/TypedArrays/buffer-arg-excessive-length-throws.js

@@ -20,10 +20,11 @@ info: >
 includes: [testTypedArray.js]
 ---*/
 
-var buffer = new ArrayBuffer(8);
-
 testWithTypedArrayConstructors(function(TA) {
+  var bpe = TA.BYTES_PER_ELEMENT;
+  var buffer = new ArrayBuffer(bpe);
+
   assert.throws(RangeError, function() {
-    new TA(buffer, 0, 16);
+    new TA(buffer, 0, bpe * 2);
   });
 });

test/built-ins/TypedArrays/buffer-arg-excessive-offset-throws.js

@@ -20,14 +20,15 @@ info: >
 includes: [testTypedArray.js]
 ---*/
 
-var buffer = new ArrayBuffer(8);
-
 testWithTypedArrayConstructors(function(TA) {
+  var bpe = TA.BYTES_PER_ELEMENT;
+  var buffer = new ArrayBuffer(bpe);
+
   assert.throws(RangeError, function() {
-    new TA(buffer, 16);
+    new TA(buffer, bpe * 2);
   });
 
   assert.throws(RangeError, function() {
-    new TA(buffer, 16, undefined);
+    new TA(buffer, bpe * 2, undefined);
   });
 });

test/built-ins/TypedArrays/buffer-arg-returns-new-instance.js

@@ -3,7 +3,7 @@
 /*---
 id: sec-typedarray-buffer-byteoffset-length
 description: >
-  Return new typedArray from undefined defined offset
+  Return new typedArray from undefined offset and length
 info: >
   22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] )
 
@@ -20,11 +20,13 @@ testWithTypedArrayConstructors(function(TA) {
   var ta1 = new TA(buffer1);
   assert.sameValue(ta1.length, 4);
   assert.sameValue(ta1.buffer, buffer1);
+  assert.sameValue(ta1.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype);
 
   var buffer2 = new ArrayBuffer(0);
   var ta2 = new TA(buffer2);
   assert.sameValue(ta2.length, 0);
   assert.sameValue(ta2.buffer, buffer2);
+  assert.sameValue(ta2.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype);
 });

test/built-ins/TypedArrays/buffer-arg-use-custom-proto-if-object.js

@@ -43,5 +43,6 @@ newTarget.prototype = proto;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [buffer], newTarget);
 
+  assert.sameValue(ta.constructor, Object);
   assert.sameValue(Object.getPrototypeOf(ta), proto);
 });

test/built-ins/TypedArrays/buffer-arg-use-default-proto-if-custom-proto-is-not-object.js

@@ -41,5 +41,6 @@ newTarget.prototype = null;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [buffer], newTarget);
 
+  assert.sameValue(ta.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta), TA.prototype);
 });

test/built-ins/TypedArrays/length-arg-minus-signal-zero.js

@@ -0,0 +1,28 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+id: sec-typedarray-length
+description: >
+  Does not throw when length is -0
+info: >
+  22.2.4.2 TypedArray ( length )
+
+  This description applies only if the TypedArray function is called with at
+  least one argument and the Type of the first argument is not Object.
+
+  ...
+  4. Let numberLength be ? ToNumber(length).
+  5. Let elementLength be ToLength(numberLength).
+  6. If SameValueZero(numberLength, elementLength) is false, throw a RangeError
+  exception.
+  ...
+includes: [testTypedArray.js]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var typedArray = new TA(-0);
+
+  assert.sameValue(typedArray.length, 0, "length");
+  assert.sameValue(typedArray.constructor, TA);
+  assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype);
+});

test/built-ins/TypedArrays/length-arg-returns-object.js

@@ -28,8 +28,5 @@ testWithTypedArrayConstructors(function(TA) {
 
   assert.sameValue(length, 4, "length");
   assert.sameValue(typedArray.constructor, TA);
-  assert.sameValue(
-    Object.getPrototypeOf(typedArray), TA.prototype,
-    "Object.getPrototypeOf(typedArray)"
-  );
+  assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype);
 });

test/built-ins/TypedArrays/length-arg-use-custom-proto-if-object.js

@@ -39,5 +39,6 @@ newTarget.prototype = proto;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [1], newTarget);
 
+  assert.sameValue(ta.constructor, Object);
   assert.sameValue(Object.getPrototypeOf(ta), proto);
 });

test/built-ins/TypedArrays/length-arg-use-default-proto-if-custom-proto-is-not-object.js

@@ -37,5 +37,6 @@ newTarget.prototype = null;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [1], newTarget);
 
+  assert.sameValue(ta.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta), TA.prototype);
 });

test/built-ins/TypedArrays/no-args-use-custom-proto-if-object.js

@@ -39,5 +39,6 @@ newTarget.prototype = proto;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [], newTarget);
 
+  assert.sameValue(ta.constructor, Object);
   assert.sameValue(Object.getPrototypeOf(ta), proto);
 });

test/built-ins/TypedArrays/no-args-use-default-proto-if-custom-proto-is-not-object.js

@@ -37,5 +37,6 @@ newTarget.prototype = null;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [], newTarget);
 
+  assert.sameValue(ta.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta), TA.prototype);
 });

test/built-ins/TypedArrays/object-arg-as-array-returns.js

@@ -22,5 +22,6 @@ testWithTypedArrayConstructors(function(TA) {
   assert.sameValue(typedArray.length, 2);
   assert.sameValue(typedArray[0], 7);
   assert.sameValue(typedArray[1], 42);
+  assert.sameValue(typedArray.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype);
 });

test/built-ins/TypedArrays/object-arg-as-generator-iterable-returns.js

@@ -24,5 +24,6 @@ testWithTypedArrayConstructors(function(TA) {
   assert.sameValue(typedArray.length, 2);
   assert.sameValue(typedArray[0], 7);
   assert.sameValue(typedArray[1], 42);
+  assert.sameValue(typedArray.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype);
 });

test/built-ins/TypedArrays/object-arg-returns.js

@@ -27,11 +27,12 @@ var obj = {
 
 testWithTypedArrayConstructors(function(TA) {
   var typedArray = new TA(obj);
-  assert.sameValue(typedArray.length, 4);
+  assert.sameValue(typedArray.length, 5);
   assert.sameValue(typedArray[0], 0);
   assert.sameValue(typedArray[2], 42);
   assert.sameValue(typedArray[3], 7);
   assert.sameValue(typedArray[5], undefined);
+  assert.sameValue(typedArray.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(typedArray), TA.prototype);
 
   if (TA === Float32Array || TA === Float64Array) {

test/built-ins/TypedArrays/object-arg-use-custom-proto-if-object.js

@@ -42,5 +42,6 @@ newTarget.prototype = proto;
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [], newTarget);
 
+  assert.sameValue(ta.constructor, Object);
   assert.sameValue(Object.getPrototypeOf(ta), proto);
 });

test/built-ins/TypedArrays/object-arg-use-default-proto-if-custom-proto-is-not-object.js

@@ -41,5 +41,6 @@ var o = [];
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [o], newTarget);
 
+  assert.sameValue(ta.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta), TA.prototype);
 });

test/built-ins/TypedArrays/typedarray-arg-other-ctor-buffer-ctor-access-throws.js

@@ -30,7 +30,7 @@ testWithTypedArrayConstructors(function(TA) {
   var sample = new (TA === Int8Array ? sample2 : sample1);
 
   Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
+    get() {
       throw new Test262Error();
     }
   });

test/built-ins/TypedArrays/typedarray-arg-other-ctor-buffer-ctor-custom-species.js

@@ -46,7 +46,7 @@ testWithTypedArrayConstructors(function(TA) {
 
   ctor[Symbol.species].prototype = custom;
 
-  var tarray = new TA(sample);
-  assert.sameValue(Object.getPrototypeOf(tarray.buffer), custom);
+  var typedArray = new TA(sample);
+  assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
   assert.sameValue(called, 0);
 });

test/built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-species-custom.js

@@ -54,7 +54,7 @@ testWithTypedArrayConstructors(function(TA) {
 
   ctor[Symbol.species].prototype = custom;
 
-  var tarray = new TA(sample);
-  assert.sameValue(Object.getPrototypeOf(tarray.buffer), custom);
+  var typedArray = new TA(sample);
+  assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
   assert.sameValue(called, 0);
 });

test/built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-species-not-ctor.js

@@ -37,11 +37,11 @@ features: [Symbol.species]
 testWithTypedArrayConstructors(function(TA) {
   var sample = new TA();
   var ctor = {};
-  var o = { m() {} };
+  var m = { m() {} };
 
   sample.buffer.constructor = ctor;
 
-  ctor[Symbol.species] = o.m;
+  ctor[Symbol.species] = m;
 
   assert.throws(TypeError, function() {
     new TA(sample);

test/built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-species-prototype-throws.js

@@ -51,7 +51,7 @@ testWithTypedArrayConstructors(function(TA) {
 
   ctor[Symbol.species] = function(){}.bind(null);
   Object.defineProperty(ctor[Symbol.species], "prototype", {
-    get: function() {
+    get() {
       throw new Test262Error();
     }
   });

test/built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-species-throws.js

@@ -38,7 +38,7 @@ testWithTypedArrayConstructors(function(TA) {
 
   sample.buffer.constructor = ctor;
   Object.defineProperty(ctor, Symbol.species, {
-    get: function() {
+    get() {
       throw new Test262Error();
     }
   });

test/built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-species-undefined.js

@@ -40,9 +40,9 @@ testWithTypedArrayConstructors(function(TA) {
   sample.buffer.constructor = ctor;
 
   ctor[Symbol.species] = undefined;
-  var a = new TA(sample);
+  var typedArray = new TA(sample);
   assert.sameValue(
-    Object.getPrototypeOf(a.buffer),
+    Object.getPrototypeOf(typedArray.buffer),
     ArrayBuffer.prototype,
     "buffer ctor is not called when species is undefined"
   );

test/built-ins/TypedArrays/typedarray-arg-same-ctor-buffer-ctor-value-not-obj-throws.js

@@ -36,58 +36,29 @@ features: [Symbol]
 
 testWithTypedArrayConstructors(function(TA) {
   var sample = new TA();
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return 1;
-    },
-    configurable: true
-  });
 
+  sample.buffer.constructor = 1;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return true;
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = true;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return '';
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = '';
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return null;
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = null;
   assert.throws(TypeError, function() {
     new TA(sample);
   });
 
   var s = Symbol('1');
-  Object.defineProperty(sample.buffer, "constructor", {
-    get: function() {
-      return s;
-    },
-    configurable: true
-  });
-
+  sample.buffer.constructor = s;
   assert.throws(TypeError, function() {
     new TA(sample);
   });

test/built-ins/TypedArrays/typedarray-arg-use-custom-proto-if-object.js

@@ -43,5 +43,6 @@ var sample = new Int8Array(8);
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [sample], newTarget);
 
+  assert.sameValue(ta.constructor, Object);
   assert.sameValue(Object.getPrototypeOf(ta), proto);
 });

test/built-ins/TypedArrays/typedarray-arg-use-default-proto-if-custom-proto-is-not-object.js

@@ -41,5 +41,6 @@ var sample = new Int8Array(8);
 testWithTypedArrayConstructors(function(TA) {
   var ta = Reflect.construct(TA, [sample], newTarget);
 
+  assert.sameValue(ta.constructor, TA);
   assert.sameValue(Object.getPrototypeOf(ta), TA.prototype);
 });