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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-gen-dstr-var-ary-ptrn-rest-ary-elem.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-await-of/async-gen-dstr-var-ary-ptrn-rest-ary-elem.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-ary-ptrn-rest-ary-elem.js | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-ary-ptrn-rest-ary-elem.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-ary-ptrn-rest-ary-elem.js new file mode 100644 index 0000000000..5ac284fc8e --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-ary-ptrn-rest-ary-elem.js @@ -0,0 +1,84 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/ary-ptrn-rest-ary-elem.case +// - src/dstr-binding-for-await/default/for-await-of-async-gen-var.template +/*--- +description: Rest element containing an array BindingElementList pattern (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [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. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializer_opt + + [...] + 3. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 4. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 7. Return InitializeReferencedBinding(lhs, v). +---*/ + +var iterCount = 0; + +async function *fn() { + for await (var [...[x, y, z]] of [[3, 4, 5]]) { + assert.sameValue(x, 3); + assert.sameValue(y, 4); + assert.sameValue(z, 5); + + iterCount += 1; + } +} + +fn().next() + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); + |