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4c4af643e5
PR-URL: https://github.com/nodejs/node/pull/17489 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
58 lines
2.1 KiB
JavaScript
58 lines
2.1 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// TODO(kozyatinskiy): fix or remove it later.
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let {session, contextGroup, Protocol} = InspectorTest.start('Tests how async promise chains behave when reaching the limit of stacks');
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(async function test(){
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InspectorTest.log('Checks correctness of promise chains when limit hit');
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await Protocol.Runtime.enable();
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await Protocol.Debugger.enable();
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Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
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await setMaxAsyncTaskStacks(3);
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runWithAsyncChainPromise(3, 'console.trace()');
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InspectorTest.logMessage(await Protocol.Runtime.onceConsoleAPICalled());
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await setMaxAsyncTaskStacks(4);
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runWithAsyncChainPromise(3, 'console.trace()');
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InspectorTest.logMessage(await Protocol.Runtime.onceConsoleAPICalled());
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await setMaxAsyncTaskStacks(5);
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runWithAsyncChainPromise(3, 'console.trace()');
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InspectorTest.logMessage(await Protocol.Runtime.onceConsoleAPICalled());
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await setMaxAsyncTaskStacks(6);
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runWithAsyncChainPromise(3, 'console.trace()');
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InspectorTest.logMessage(await Protocol.Runtime.onceConsoleAPICalled());
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await setMaxAsyncTaskStacks(7);
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runWithAsyncChainPromise(3, 'console.trace()');
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InspectorTest.logMessage(await Protocol.Runtime.onceConsoleAPICalled());
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await setMaxAsyncTaskStacks(8);
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runWithAsyncChainPromise(3, 'console.trace()');
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InspectorTest.logMessage(await Protocol.Runtime.onceConsoleAPICalled());
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InspectorTest.completeTest();
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})();
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function runWithAsyncChainPromise(len, source) {
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InspectorTest.log(`Run expression '${source}' with async chain len: ${len}`);
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let asyncCall = `(function asyncCall(num) {
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if (num === 0) {
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${source};
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return;
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}
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Promise.resolve().then(() => asyncCall(num - 1));
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})(${len})`;
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Protocol.Runtime.evaluate({expression: asyncCall});
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}
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async function setMaxAsyncTaskStacks(max) {
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let expression = `inspector.setMaxAsyncTaskStacks(${max})`;
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InspectorTest.log(expression);
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await Protocol.Runtime.evaluate({expression});
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}
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