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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js b/js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js new file mode 100644 index 0000000000..89bab3e8ab --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js @@ -0,0 +1,38 @@ +// Copyright (C) 2013 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: > + Iterators that are implemented as proxies should behave identically to + non-proxy versions. +features: [Proxy, Symbol.iterator] +---*/ + +var iterable = {}; +var nextResult = { value: 23, done: false }; +var lastResult = { value: null, done: true }; +var i; + +var iterator = { + next: function() { + var result = nextResult; + nextResult = lastResult; + return result; + } +}; +var proxiedIterator = new Proxy(iterator, { + get: function(target, name) { + return target[name]; + } +}); +iterable[Symbol.iterator] = function() { return proxiedIterator; }; + +i = 0; +for (var x of iterable) { + assert.sameValue(x, 23); + i++; +} + +assert.sameValue(i, 1); + +reportCompare(0, 0); |