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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/async-generator/yield-star-getiter-sync-returns-null-throw.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/async-generator/yield-star-getiter-sync-returns-null-throw.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/yield-star-getiter-sync-returns-null-throw.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/yield-star-getiter-sync-returns-null-throw.js b/js/src/tests/test262/language/statements/async-generator/yield-star-getiter-sync-returns-null-throw.js new file mode 100644 index 0000000000..4b0e3cf33c --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/yield-star-getiter-sync-returns-null-throw.js @@ -0,0 +1,72 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/async-generators/yield-star-getiter-sync-returns-null-throw.case +// - src/async-generators/default/async-declaration.template +/*--- +description: Non object returned by [Symbol.iterator]() - null (Async generator Function declaration) +esid: prod-AsyncGeneratorDeclaration +features: [Symbol.iterator, async-iteration] +flags: [generated, async] +info: | + Async Generator Function Definitions + + AsyncGeneratorDeclaration: + async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { + AsyncGeneratorBody } + + + YieldExpression: yield * AssignmentExpression + + 1. Let exprRef be the result of evaluating AssignmentExpression. + 2. Let value be ? GetValue(exprRef). + 3. Let generatorKind be ! GetGeneratorKind(). + 4. Let iterator be ? GetIterator(value, generatorKind). + ... + + GetIterator ( obj [ , hint ] ) + + ... + 3. If hint is async, + a. Set method to ? GetMethod(obj, @@asyncIterator). + i. Let syncMethod be ? GetMethod(obj, @@iterator). + ii. Let syncIterator be ? Call(syncMethod, obj). + iii. Return ? CreateAsyncFromSyncIterator(syncIterator). + ... + + CreateAsyncFromSyncIterator(syncIterator) + + 1. If Type(syncIterator) is not Object, throw a TypeError exception. + ... + +---*/ +var obj = { + [Symbol.iterator]() { + return null; + } +}; + + + +var callCount = 0; + +async function *gen() { + callCount += 1; + yield* obj; + throw new Test262Error('abrupt completion closes iter'); + +} + +var iter = gen(); + +iter.next().then(() => { + throw new Test262Error('Promise incorrectly fulfilled.'); +}, v => { + assert.sameValue(v.constructor, TypeError, "TypeError"); + + iter.next().then(({ done, value }) => { + assert.sameValue(done, true, 'the iterator is completed'); + assert.sameValue(value, undefined, 'value is undefined'); + }).then($DONE, $DONE); +}).catch($DONE); + +assert.sameValue(callCount, 1); |