38 lines
932 B
JavaScript
38 lines
932 B
JavaScript
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { promiseHooks } = require('v8');
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assert.throws(() => {
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promiseHooks.onInit(async function() { });
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}, /The "initHook" argument must be of type function/);
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assert.throws(() => {
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promiseHooks.onInit(async function*() { });
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}, /The "initHook" argument must be of type function/);
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let seenPromise;
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let seenParent;
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const stop = promiseHooks.onInit(common.mustCall((promise, parent) => {
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seenPromise = promise;
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seenParent = parent;
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}, 2));
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const parent = Promise.resolve();
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assert.strictEqual(seenPromise, parent);
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assert.strictEqual(seenParent, undefined);
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const child = parent.then();
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assert.strictEqual(seenPromise, child);
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assert.strictEqual(seenParent, parent);
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seenPromise = undefined;
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seenParent = undefined;
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stop();
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Promise.resolve();
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assert.strictEqual(seenPromise, undefined);
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assert.strictEqual(seenParent, undefined);
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