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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/body-put-error.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/body-put-error.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/body-put-error.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/body-put-error.js b/js/src/tests/test262/language/statements/for-of/body-put-error.js new file mode 100644 index 0000000000..9cd32665fa --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/body-put-error.js @@ -0,0 +1,52 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-runtime-semantics-forin-div-ofbodyevaluation-lhs-stmt-iterator-lhskind-labelset +description: > + If the left-hand side is not a lexical binding and the assignment produces + an error, the iterator should be closed and the error forwarded to the + runtime. +info: | + ... + If destructuring is false, then + If lhsRef is an abrupt completion, then + Let status be lhsRef. + Else if lhsKind is lexicalBinding, then + Let status be InitializeReferencedBinding(lhsRef, nextValue). + Else, + Let status be PutValue(lhsRef, nextValue). + ... + +features: [for-of, Symbol.iterator] +---*/ + +var callCount = 0; +var iterationCount = 0; +var iterable = {}; +var x = { + set attr(_) { + throw new Test262Error(); + } +}; + +iterable[Symbol.iterator] = function() { + return { + next: function() { + return { done: false, value: 0 }; + }, + return: function() { + callCount += 1; + } + } +}; + +assert.throws(Test262Error, function() { + for (x.attr of iterable) { + iterationCount += 1; + } +}); + +assert.sameValue(iterationCount, 0, 'The loop body is not evaluated'); +assert.sameValue(callCount, 1, 'Iterator is closed'); + +reportCompare(0, 0); |