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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/Iterator/prototype/drop/return-is-forwarded.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/prototype/drop/return-is-forwarded.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/prototype/drop/return-is-forwarded.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/drop/return-is-forwarded.js b/js/src/tests/test262/built-ins/Iterator/prototype/drop/return-is-forwarded.js new file mode 100644 index 0000000000..7aadc2f0dd --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/prototype/drop/return-is-forwarded.js @@ -0,0 +1,57 @@ +// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options +// Copyright (C) 2023 Michael Ficarra. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-iteratorprototype.drop +description: > + Underlying iterator return is called when result iterator is closed +info: | + %Iterator.prototype%.drop ( limit ) + + 6.c.iii. Let completion be Completion(Yield(? IteratorValue(next))). + 6.c.iv. IfAbruptCloseIterator(completion, iterated). + +features: [iterator-helpers] +flags: [] +---*/ +let returnCount = 0; + +class TestIterator extends Iterator { + next() { + return { + done: false, + value: 1, + }; + } + return() { + ++returnCount; + return {}; + } +} + +let iterator = new TestIterator().drop(0); +assert.sameValue(returnCount, 0); +iterator.return(); +assert.sameValue(returnCount, 1); +iterator.return(); +assert.sameValue(returnCount, 1); + +returnCount = 0; + +iterator = new TestIterator().drop(1); +assert.sameValue(returnCount, 0); +iterator.return(); +assert.sameValue(returnCount, 1); +iterator.return(); +assert.sameValue(returnCount, 1); + +returnCount = 0; + +iterator = new TestIterator().drop(1).drop(1).drop(1).drop(1).drop(1); +assert.sameValue(returnCount, 0); +iterator.return(); +assert.sameValue(returnCount, 1); +iterator.return(); +assert.sameValue(returnCount, 1); + +reportCompare(0, 0); |