mirror of https://github.com/tc39/test262.git
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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author: Caitlin Potter <caitp@igalia.com>
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esid: pending
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description: >
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Generator is not resumed after a throw completion with a promise arg
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info: |
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AsyncGeneratorResumeNext:
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If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
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"suspendedYield", generator is resumed and immediately and
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closes the generator and returns completion.
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AsyncGeneratorReject will not unwrap Promise values
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flags: [async]
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features: [async-iteration]
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---*/
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var g = async function*() {
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yield 1;
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throw new Test262Error('Generator must not be resumed.');
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};
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var it = g();
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var promise = new Promise(function() {});
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it.next().then(function(ret) {
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assert.sameValue(ret.value, 1, 'Initial yield');
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assert.sameValue(ret.done, false, 'Initial yield');
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it.throw(promise).then($DONE, function(err) {
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assert.sameValue(err, promise, 'AsyncGeneratorReject(generator, resultValue)');
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it.next().then(function(ret) {
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assert.sameValue(ret.value, undefined, 'Generator is closed');
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assert.sameValue(ret.done, true, 'Generator is closed');
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}).then($DONE, $DONE);
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}).catch($DONE);
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}).catch($DONE);
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