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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/built-ins/Set/prototype/forEach/iterates-values-revisits-after-delete-re-add.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/built-ins/Set/prototype/forEach/iterates-values-revisits-after-delete-re-add.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Set/prototype/forEach/iterates-values-revisits-after-delete-re-add.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Set/prototype/forEach/iterates-values-revisits-after-delete-re-add.js b/js/src/tests/test262/built-ins/Set/prototype/forEach/iterates-values-revisits-after-delete-re-add.js new file mode 100644 index 0000000000..11de01c1be --- /dev/null +++ b/js/src/tests/test262/built-ins/Set/prototype/forEach/iterates-values-revisits-after-delete-re-add.js @@ -0,0 +1,47 @@ +// 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-set.prototype.forEach +description: > + Set.prototype.forEach ( callbackfn [ , thisArg ] ) + + ... + 7. Repeat for each e that is an element of entries, in original insertion order + a. If e is not empty, then + i. Let funcResult be Call(callbackfn, T, «e, e, S»). + ii. ReturnIfAbrupt(funcResult). + ... + + NOTE: + + ... + a value will be revisited if it is deleted after it has been visited and then re-added before the forEach call completes. + ... + +---*/ + + +var s = new Set([1, 2, 3]); +var expects = [1, 2, 3, 1]; + +s.forEach(function(value, entry, set) { + var expect = expects.shift(); + + // Delete `1` after visit + if (value === 2) { + set.delete(1); + } + + // Re-add `1` + if (value === 3) { + set.add(1); + } + + assert.sameValue(value, expect); + assert.sameValue(entry, expect); + assert.sameValue(set, s); +}); + +assert.sameValue(expects.length, 0, "The value of `expects.length` is `0`"); + +reportCompare(0, 0); |