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78 lines
3.0 KiB
JavaScript
78 lines
3.0 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --expose-async-hooks
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// Check for correct execution of available hooks and asyncIds
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(function() {
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let calledHooks = [];
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let rootAsyncId = 0;
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let ah = async_hooks.createHook({
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init: function init(asyncId, type, triggerAsyncId, resource) {
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if (type !== 'PROMISE') {
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return;
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}
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if (triggerAsyncId === 0) {
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rootAsyncId = asyncId;
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}
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calledHooks.push(['init', asyncId]);
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},
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promiseResolve: function promiseResolve(asyncId) {
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calledHooks.push(['resolve', asyncId]);
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},
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before: function before(asyncId) {
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calledHooks.push(['before', asyncId]);
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},
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after: function after(asyncId) {
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calledHooks.push(['after', asyncId]);
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},
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});
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ah.enable();
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new Promise(function(resolve) {
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resolve(42);
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}).then(function() {
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// [hook type, async Id]
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const expectedHooks = [
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['init', rootAsyncId], // the promise that we create initially
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['resolve', rootAsyncId],
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['init', rootAsyncId + 1], // the chained promise with the assertions
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['init', rootAsyncId + 2], // the chained promise from the catch block
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['before', rootAsyncId + 1],
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// ['after', rootAsyncId + 1] will get called after the assertions
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];
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assertArrayEquals(expectedHooks, calledHooks,
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'Mismatch in async hooks execution order');
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}).catch((err) => {
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setTimeout(() => {
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throw err;
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}, 0);
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});
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})();
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