Add tests for TypedArray instance iterator methods

test/built-ins/TypedArray/prototype/entries/return-itor.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.2.3.6
+esid: sec-%typedarray%.prototype.entries
+description: Return an iterator for the entries.
+info: >
+  22.2.3.6 %TypedArray%.prototype.entries ( )
+
+  ...
+  3. Return CreateArrayIterator(O, "key+value").
+includes: [testTypedArray.js, compareArray.js]
+---*/
+
+var sample = new Int8Array([0, 42, 64]);
+
+testWithTypedArrayConstructors(function(TA) {
+  var typedArray = new TA(sample);
+  var itor = typedArray.entries();
+
+  var next = itor.next();
+  assert(compareArray(next.value, [0, 0]));
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert(compareArray(next.value, [1, 42]));
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert(compareArray(next.value, [2, 64]));
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, undefined);
+  assert.sameValue(next.done, true);
+});

test/built-ins/TypedArray/prototype/keys/return-itor.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.2.3.16
+esid: sec-%typedarray%.prototype.keys
+description: Return an iterator for the keys.
+info: >
+  22.2.3.16 %TypedArray%.prototype.keys ( )
+
+  ...
+  3. Return CreateArrayIterator(O, "key").
+includes: [testTypedArray.js]
+---*/
+
+var sample = new Int8Array([0, 42, 64]);
+
+testWithTypedArrayConstructors(function(TA) {
+  var typedArray = new TA(sample);
+  var itor = typedArray.keys();
+
+  var next = itor.next();
+  assert.sameValue(next.value, 0);
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, 1);
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, 2);
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, undefined);
+  assert.sameValue(next.done, true);
+});

test/built-ins/TypedArray/prototype/values/return-itor.js

+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.2.3.30
+esid: sec-%typedarray%.prototype.values
+description: Return an iterator for the values.
+info: >
+  22.2.3.30 %TypedArray%.prototype.values ( )
+
+  ...
+  3. Return CreateArrayIterator(O, "value").
+includes: [testTypedArray.js]
+---*/
+
+var sample = new Int8Array([0, 42, 64]);
+
+testWithTypedArrayConstructors(function(TA) {
+  var typedArray = new TA(sample);
+  var itor = typedArray.values();
+
+  var next = itor.next();
+  assert.sameValue(next.value, 0);
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, 42);
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, 64);
+  assert.sameValue(next.done, false);
+
+  next = itor.next();
+  assert.sameValue(next.value, undefined);
+  assert.sameValue(next.done, true);
+});