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47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
// Copyright (C) 2019 Leo Balter. 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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esid: sec-asyncblockstart
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description: >
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Evaluation of await ticks order
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info: |
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AsyncBlockStart ( promiseCapability, asyncBody, asyncContext )
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1. Assert: promiseCapability is a PromiseCapability Record.
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2. Let runningContext be the running execution context.
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3. Set the code evaluation state of asyncContext such that when evaluation is resumed for that execution context the following steps will be performed:
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a. Let result be the result of evaluating asyncBody.
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...
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includes: [compareArray.js]
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flags: [module, async]
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features: [top-level-await]
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---*/
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var expected = [
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'await 1',
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'tick 1',
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'await 2',
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'tick 2',
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'await 3',
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'tick 3',
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'await 4',
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'tick 4',
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];
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var actual = [];
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Promise.resolve(0)
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.then(() => actual.push('tick 1'))
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.then(() => actual.push('tick 2'))
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.then(() => actual.push('tick 3'))
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.then(() => actual.push('tick 4'))
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.then(() => {
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assert.compareArray(actual, expected, 'Ticks for top level await and promises');
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}).then($DONE, $DONE);
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await actual.push('await 1');
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await actual.push('await 2');
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await actual.push('await 3');
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await actual.push('await 4');
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