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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js | 36 |
1 files changed, 36 insertions, 0 deletions
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 new file mode 100644 index 0000000000..b69fb5927a --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/entries/iteration-mutable.js @@ -0,0 +1,36 @@ +// 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); |