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Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/yield-star-next-non-object-ignores-then.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/yield-star-next-non-object-ignores-then.js | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/yield-star-next-non-object-ignores-then.js b/js/src/tests/test262/language/statements/async-generator/yield-star-next-non-object-ignores-then.js new file mode 100644 index 0000000000..271fa593c9 --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/yield-star-next-non-object-ignores-then.js @@ -0,0 +1,85 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/async-generators/yield-star-next-non-object-ignores-then.case +// - src/async-generators/default/async-declaration.template +/*--- +description: If next() value is not-object, do not access respective then property (Async generator Function declaration) +esid: prod-AsyncGeneratorDeclaration +features: [Symbol.iterator, Symbol.asyncIterator, async-iteration] +flags: [generated, async] +info: | + Async Generator Function Definitions + + AsyncGeneratorDeclaration: + async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { + AsyncGeneratorBody } + + + YieldExpression: yield * AssignmentExpression + ... + 6. Repeat + a. If received.[[Type]] is normal, then + ii. Let innerResult be ? Invoke(iterator, "next", + « received.[[Value]] »). + iii. If generatorKind is async, then set innerResult to + ? Await(innerResult). + iv. If Type(innerResult) is not Object, throw a TypeError exception. + ... + + Await + + ... + 2. Let promiseCapability be ! NewPromiseCapability(%Promise%). + 3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »). + ... + + Promise Resolve Functions + + ... + 7. If Type(resolution) is not Object, then + a. Return FulfillPromise(promise, resolution). + 8. Let then be Get(resolution, "then"). + ... + +---*/ +Number.prototype.then = function() { + throw new Test262Error('Number#then should not be used'); +}; +var obj = { + get [Symbol.iterator]() { + throw new Test262Error('it should not get Symbol.iterator'); + }, + [Symbol.asyncIterator]() { + return { + next() { + return 42; + } + }; + } +}; + + + +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); |