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50dd555910
This activates the eslint capitalize comment rule for comments above 50 characters. PR-URL: https://github.com/nodejs/node/pull/24996 Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
'use strict';
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const common = require('../common');
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const Countdown = require('../common/countdown');
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const assert = require('assert');
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const immediate = setImmediate(() => {});
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assert.strictEqual(immediate.hasRef(), true);
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immediate.unref();
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assert.strictEqual(immediate.hasRef(), false);
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clearImmediate(immediate);
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// This immediate should execute as it was unrefed and refed again.
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// It also confirms that unref/ref are chainable.
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setImmediate(common.mustCall(firstStep)).ref().unref().unref().ref();
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function firstStep() {
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const countdown =
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new Countdown(2, common.mustCall(() => setImmediate(secondStep)));
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// Unrefed setImmediate executes if it was unrefed but something else keeps
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// the loop open
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setImmediate(() => countdown.dec()).unref();
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setTimeout(() => countdown.dec(), 50);
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}
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function secondStep() {
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// clearImmediate works just fine with unref'd immediates
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const immA = setImmediate(() => {
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clearImmediate(immA);
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clearImmediate(immB);
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// This should not keep the event loop open indefinitely
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// or do anything else weird
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immA.ref();
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immB.ref();
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}).unref();
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const immB = setImmediate(common.mustNotCall()).unref();
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setImmediate(common.mustCall(finalStep));
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}
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function finalStep() {
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// This immediate should not execute as it was unrefed
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// and nothing else is keeping the event loop alive
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setImmediate(common.mustNotCall()).unref();
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}
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