mirror of https://gitee.com/openkylin/nodejs.git
69 lines
2.6 KiB
JavaScript
69 lines
2.6 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const { processTopLevelAwait } = require('internal/repl/await');
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// Flags: --expose-internals
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// This test was created based on
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// https://cs.chromium.org/chromium/src/third_party/WebKit/LayoutTests/http/tests/inspector-unit/preprocess-top-level-awaits.js?rcl=358caaba5e763e71c4abb9ada2d9cd8b1188cac9
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const testCases = [
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[ '0',
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null ],
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[ 'await 0',
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'(async () => { return (await 0) })()' ],
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[ 'await 0;',
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'(async () => { return (await 0); })()' ],
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[ '(await 0)',
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'(async () => { return ((await 0)) })()' ],
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[ '(await 0);',
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'(async () => { return ((await 0)); })()' ],
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[ 'async function foo() { await 0; }',
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null ],
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[ 'async () => await 0',
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null ],
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[ 'class A { async method() { await 0 } }',
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null ],
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[ 'await 0; return 0;',
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null ],
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[ 'var a = await 1',
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'(async () => { void (a = await 1) })()' ],
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[ 'let a = await 1',
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'(async () => { void (a = await 1) })()' ],
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[ 'const a = await 1',
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'(async () => { void (a = await 1) })()' ],
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[ 'for (var i = 0; i < 1; ++i) { await i }',
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'(async () => { for (void (i = 0); i < 1; ++i) { await i } })()' ],
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[ 'for (let i = 0; i < 1; ++i) { await i }',
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'(async () => { for (let i = 0; i < 1; ++i) { await i } })()' ],
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[ 'var {a} = {a:1}, [b] = [1], {c:{d}} = {c:{d: await 1}}',
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'(async () => { void ( ({a} = {a:1}), ([b] = [1]), ' +
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'({c:{d}} = {c:{d: await 1}})) })()' ],
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/* eslint-disable no-template-curly-in-string */
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[ 'console.log(`${(await { a: 1 }).a}`)',
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'(async () => { return (console.log(`${(await { a: 1 }).a}`)) })()' ],
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/* eslint-enable no-template-curly-in-string */
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[ 'await 0; function foo() {}',
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'(async () => { await 0; foo=function foo() {} })()' ],
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[ 'await 0; class Foo {}',
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'(async () => { await 0; Foo=class Foo {} })()' ],
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[ 'if (await true) { function foo() {} }',
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'(async () => { if (await true) { foo=function foo() {} } })()' ],
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[ 'if (await true) { class Foo{} }',
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'(async () => { if (await true) { class Foo{} } })()' ],
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[ 'if (await true) { var a = 1; }',
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'(async () => { if (await true) { void (a = 1); } })()' ],
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[ 'if (await true) { let a = 1; }',
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'(async () => { if (await true) { let a = 1; } })()' ],
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[ 'var a = await 1; let b = 2; const c = 3;',
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'(async () => { void (a = await 1); void (b = 2); void (c = 3); })()' ],
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[ 'let o = await 1, p',
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'(async () => { void ( (o = await 1), (p=undefined)) })()' ]
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];
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for (const [input, expected] of testCases) {
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assert.strictEqual(processTopLevelAwait(input), expected);
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}
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