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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-await-of/async-func-dstr-var-ary-init-iter-no-close.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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-await-of/async-func-dstr-var-ary-init-iter-no-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-func-dstr-var-ary-init-iter-no-close.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-var-ary-init-iter-no-close.js b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-var-ary-init-iter-no-close.js new file mode 100644 index 0000000000..5072dc9c53 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-var-ary-init-iter-no-close.js @@ -0,0 +1,73 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/ary-init-iter-no-close.case +// - src/dstr-binding-for-await/default/for-await-of-async-func-var.template +/*--- +description: Iterator is not closed when exhausted by pattern evaluation (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [Symbol.iterator, destructuring-binding, async-iteration] +flags: [generated, async] +info: | + IterationStatement : + for await ( var ForBinding of AssignmentExpression ) Statement + + [...] + 2. Return ? ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, + varBinding, labelSet, async). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 4. Let destructuring be IsDestructuring of lhs. + [...] + 6. Repeat + [...] + j. If destructuring is false, then + [...] + k. Else + i. If lhsKind is assignment, then + [...] + ii. Else if lhsKind is varBinding, then + 1. Assert: lhs is a ForBinding. + 2. Let status be the result of performing BindingInitialization + for lhs passing nextValue and undefined as the arguments. + [...] + + 13.3.3.5 Runtime Semantics: BindingInitialization + + BindingPattern : ArrayBindingPattern + + [...] + 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, + result). + [...] + +---*/ +var doneCallCount = 0; +var iter = {}; +iter[Symbol.iterator] = function() { + return { + next() { + return { value: null, done: true }; + }, + return() { + doneCallCount += 1; + return {}; + } + }; +}; + +var iterCount = 0; + +async function fn() { + for await (var [x] of [iter]) { + assert.sameValue(doneCallCount, 0); + + iterCount += 1; + } +} + +fn() + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); + |