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-rw-r--r--js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js36
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diff --git a/js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js b/js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js
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+++ b/js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js
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+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.entries
+description: >
+ New items in the array are accessible via iteration until iterator is "done".
+info: |
+ The method should return a valid iterator with the context as the
+ IteratedObject. When an item is added to the array after the iterator is
+ created but before the iterator is "done" (as defined by 22.1.5.2.1) the
+ new item should be accessible via iteration.
+---*/
+
+var array = [];
+var iterator = array.entries();
+var result;
+
+array.push('a');
+
+result = iterator.next();
+assert.sameValue(result.done, false, 'First result `done` flag');
+assert.sameValue(result.value[0], 0, 'First result `value` (array key)');
+assert.sameValue(result.value[1], 'a', 'First result `value (array value)');
+assert.sameValue(result.value.length, 2, 'First result `value` (length)');
+
+result = iterator.next();
+assert.sameValue(result.done, true, 'Exhausted result `done` flag');
+assert.sameValue(result.value, undefined, 'Exhausted result `value`');
+
+array.push('b');
+
+result = iterator.next();
+assert.sameValue(result.done, true, 'Exhausted result `done` flag (after push)');
+assert.sameValue(result.value, undefined, 'Exhausted result `value` (after push)');
+
+reportCompare(0, 0);