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Diffstat (limited to 'js/src/tests/test262/built-ins/SetIteratorPrototype/next/iteration-mutable.js')
-rw-r--r-- | js/src/tests/test262/built-ins/SetIteratorPrototype/next/iteration-mutable.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SetIteratorPrototype/next/iteration-mutable.js b/js/src/tests/test262/built-ins/SetIteratorPrototype/next/iteration-mutable.js new file mode 100644 index 0000000000..5f08a84c1d --- /dev/null +++ b/js/src/tests/test262/built-ins/SetIteratorPrototype/next/iteration-mutable.js @@ -0,0 +1,48 @@ +// Copyright (C) 2014 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-set.prototype-@@iterator +description: > + When an item is added to the set after the iterator is created but before + the iterator is "done" (as defined by 23.2.5.2.1), the new item should be + accessible via iteration. When an item is added to the set after the + iterator is "done", the new item should not be accessible via iteration. +features: [Symbol.iterator] +---*/ + +var set = new Set(); +set.add(1); +set.add(2); + +var iterator = set[Symbol.iterator](); +var result; + +result = iterator.next(); +assert.sameValue(result.value, 1, 'First result `value`'); +assert.sameValue(result.done, false, 'First result `done` flag'); + +set.add(3); + +result = iterator.next(); +assert.sameValue(result.value, 2, 'Second result `value`'); +assert.sameValue(result.done, false, 'Second result `done` flag'); + +result = iterator.next(); +assert.sameValue(result.value, 3, 'Third result `value`'); +assert.sameValue(result.done, false, 'Third result `done` flag'); + +result = iterator.next(); +assert.sameValue(result.value, undefined, 'Exhausted result `value`'); +assert.sameValue(result.done, true, 'Exhausted result `done` flag'); + +set.add(4); + +result = iterator.next(); +assert.sameValue( + result.value, undefined, 'Exhausted result `value` (repeated request)' +); +assert.sameValue( + result.done, true, 'Exhausted result `done` flag (repeated request)' +); + +reportCompare(0, 0); |