8e0f67be3f
This is a reland of 3c4d0316e4
Original change's description:
> [async] Expose async hooks to d8
>
> This implementation follows the Node.js API as a guideline.
>
> Change-Id: I09274ea25ccdbb9794a7440d6c14f26b9febb4f4
> Reviewed-on: https://chromium-review.googlesource.com/1065818
> Commit-Queue: Maya Lekova <mslekova@chromium.org>
> Reviewed-by: Ali Ijaz Sheikh <ofrobots@google.com>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53551}
Change-Id: If2114db2ff179c6b07a40bc0c2dac3a41f37aea9
Bug: chromium:850530
Reviewed-on: https://chromium-review.googlesource.com/1088890
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53901}
66 lines
2.7 KiB
JavaScript
66 lines
2.7 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 inited = false, resolved = false, before = false, after = false;
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let storedAsyncId;
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let ah = async_hooks.createHook({
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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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inited = true;
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storedAsyncId = asyncId;
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},
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promiseResolve(asyncId) {
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assertEquals(asyncId, storedAsyncId, 'AsyncId mismatch in resolve hook');
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resolved = true;
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},
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before(asyncId) {
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assertEquals(asyncId, storedAsyncId, 'AsyncId mismatch in before hook');
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before = true;
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},
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after(asyncId) {
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assertEquals(asyncId, storedAsyncId, 'AsyncId mismatch in after hook');
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after = true;
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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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assertTrue(inited, "Didn't call init hook");
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assertTrue(resolved, "Didn't call resolve hook");
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assertTrue(before, "Didn't call before hook before the callback");
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assertFalse(after, "Called after hook before the callback");
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});
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})();
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