diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/async-generator/yield-star-getiter-async-get-abrupt.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/async-generator/yield-star-getiter-async-get-abrupt.js | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/yield-star-getiter-async-get-abrupt.js b/js/src/tests/test262/language/expressions/async-generator/yield-star-getiter-async-get-abrupt.js new file mode 100644 index 0000000000..680e212d9b --- /dev/null +++ b/js/src/tests/test262/language/expressions/async-generator/yield-star-getiter-async-get-abrupt.js @@ -0,0 +1,74 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/async-generators/yield-star-getiter-async-get-abrupt.case +// - src/async-generators/default/async-expression.template +/*--- +description: Abrupt completion while getting [Symbol.asyncIterator] (Unnamed async generator expression) +esid: prod-AsyncGeneratorExpression +features: [Symbol.iterator, Symbol.asyncIterator, async-iteration] +flags: [generated, async] +info: | + Async Generator Function Definitions + + AsyncGeneratorExpression : + 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). + ... + + GetMethod ( V, P ) + + ... + 2. Let func be ? GetV(V, P). + ... + +---*/ +var reason = {}; +var obj = { + get [Symbol.iterator]() { + throw new Test262Error('it should not get Symbol.iterator'); + }, + get [Symbol.asyncIterator]() { + throw reason; + } +}; + + + +var callCount = 0; + +var gen = async function *() { + 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, reason, "reject reason"); + + 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); |