diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
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-decl-dstr-array-elem-iter-nrml-close.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-decl-dstr-array-elem-iter-nrml-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-array-elem-iter-nrml-close.js | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-array-elem-iter-nrml-close.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-array-elem-iter-nrml-close.js new file mode 100644 index 0000000000..ae28397bbc --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-array-elem-iter-nrml-close.js @@ -0,0 +1,82 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-assignment-for-await/array-elem-iter-nrml-close.case +// - src/dstr-assignment-for-await/default/async-gen-decl.template +/*--- +description: IteratorClose is called when assignment evaluation has not exhausted the iterator (for-await-of statement in an async generator declaration) +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 ( LeftHandSideExpression of AssignmentExpression ) Statement + + 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », + AssignmentExpression, iterate). + 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, + keyResult, assignment, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 5. If destructuring is true and if lhsKind is assignment, then + a. Assert: lhs is a LeftHandSideExpression. + b. Let assignmentPattern be the parse of the source text corresponding to + lhs using AssignmentPattern as the goal symbol. + [...] + + ArrayAssignmentPattern : [ AssignmentElementList ] + + [...] + 4. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iterator, result). + 5. Return result. + + 7.4.6 IteratorClose ( iterator, completion ) + + [...] + 5. Let innerResult be Call(return, iterator, « »). + [...] + +---*/ +let nextCount = 0; +let returnCount = 0; +let thisValue = null; +let args = null; +let _; +let iterable = {}; +let iterator = { + next() { + nextCount += 1; + // Set an upper-bound to limit unnecessary iteration in non-conformant + // implementations + return { done: nextCount > 10 }; + }, + return() { + returnCount += 1; + thisValue = this; + args = arguments; + return {}; + } +}; +iterable[Symbol.iterator] = function() { + return iterator; +}; + +let iterCount = 0; +async function * fn() { + for await ([ _ ] of [iterable]) { + assert.sameValue(nextCount, 1); + assert.sameValue(returnCount, 1); + assert.sameValue(thisValue, iterator, 'correct `this` value'); + assert(!!args, 'arguments object provided'); + assert.sameValue(args.length, 0, 'zero arguments specified'); + + iterCount += 1; + } +} + +let promise = fn().next(); + +promise + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); |