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Tests should be explicit regarding whether a promise is expected to settle, and the test should fail when the behavior does not meet expectations. PR-URL: https://github.com/nodejs/node/pull/60976 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Erick Wendel <erick.workspace@gmail.com>
19 lines
708 B
JavaScript
19 lines
708 B
JavaScript
'use strict';
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const common = require('../common');
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// This tests a highly specific regression tied to the FixedQueue size, which
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// was introduced in Node.js 9.7.0: https://github.com/nodejs/node/pull/18617
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// More specifically, a nextTick list could potentially end up not fully
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// clearing in one run through if exactly 2048 ticks were added after
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// microtasks were executed within the nextTick loop.
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process.nextTick(() => {
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Promise.resolve(1).then(() => {
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for (let i = 0; i < 2047; i++)
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process.nextTick(common.mustCall());
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const immediate = setImmediate(common.mustNotCall());
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process.nextTick(common.mustCall(() => clearImmediate(immediate)));
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}).then(common.mustCall());
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});
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