diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/map-contract.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/map-contract.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/map-contract.js b/js/src/tests/test262/language/statements/for-of/map-contract.js new file mode 100644 index 0000000000..e068d4f51f --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/map-contract.js @@ -0,0 +1,26 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: > + Entries removed from a Map instance during traversal should not be visited. +es6id: 13.6.4 +features: [Map] +---*/ + +var map = new Map(); +var iterationCount = 0; + +map.set(0, 'a'); +map.set(1, 'b'); + +for (var x of map) { + assert.sameValue(x[0], 0); + assert.sameValue(x[1], 'a'); + map.delete(1); + iterationCount += 1; +} + +assert.sameValue(iterationCount, 1); + +reportCompare(0, 0); |