diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/iterator-close-non-object.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/iterator-close-non-object.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/iterator-close-non-object.js b/js/src/tests/test262/language/statements/for-of/iterator-close-non-object.js new file mode 100644 index 0000000000..6d1f4a8ad9 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/iterator-close-non-object.js @@ -0,0 +1,34 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 13.6.4.13 +description: > + If an iterator's `return` method returns a non-Object value, a TypeError + should be thrown. +features: [Symbol.iterator] +---*/ + +var iterable = {}; +var iterationCount = 0; + +iterable[Symbol.iterator] = function() { + return { + next: function() { + return { done: false, value: null }; + }, + return: function() { + return 0; + } + }; +}; + +assert.throws(TypeError, function() { + for (var x of iterable) { + iterationCount += 1; + break; + } +}); + +assert.sameValue(iterationCount, 1, 'The loop body is evaluated'); + +reportCompare(0, 0); |