diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/set-contract-expand.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/set-contract-expand.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/set-contract-expand.js b/js/src/tests/test262/language/statements/for-of/set-contract-expand.js new file mode 100644 index 0000000000..4a397815e9 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/set-contract-expand.js @@ -0,0 +1,38 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: Set entry removal and re-insertion during traversal using for..of +info: | + Entries removed from a Set instance during traversal should be visited if + they are re-inserted prior to iterator exhaustion. +es6id: 13.6.4 +features: [Set] +---*/ + +var set = new Set(); +var iterationCount = 0; + +var first = 0; +var second = 1; + +set.add(0); +set.add(1); + +for (var x of set) { + assert.sameValue(x, first); + + first = second; + second = null; + + if (first !== null) { + set.delete(1); + set.add(1); + } + + iterationCount += 1; +} + +assert.sameValue(iterationCount, 2); + +reportCompare(0, 0); |