forked from mirrors/gecko-dev
3c09fc13df
Backed out changeset ee4c4d34816c (bug 1780347) Backed out changeset a13d3939b98a (bug 1780074) Backed out changeset 3bc739f7de43 (bug 1780074)
33 lines
1,009 B
JavaScript
33 lines
1,009 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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const { AboutHomeStartupCacheChild } = ChromeUtils.import(
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"resource:///modules/AboutNewTabService.jsm"
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);
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/**
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* Tests that AboutHomeStartupCacheChild will terminate its PromiseWorker
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* on memory-pressure, and that a new PromiseWorker can then be generated on
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* demand.
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*/
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add_task(async function test_memory_pressure() {
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AboutHomeStartupCacheChild.init();
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let worker = AboutHomeStartupCacheChild.getOrCreateWorker();
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Assert.ok(worker, "Should have been able to get the worker.");
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Assert.equal(
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worker,
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AboutHomeStartupCacheChild.getOrCreateWorker(),
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"The worker is cached and re-usable."
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);
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Services.obs.notifyObservers(null, "memory-pressure", "heap-minimize");
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let newWorker = AboutHomeStartupCacheChild.getOrCreateWorker();
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Assert.notEqual(worker, newWorker, "Old worker should have been replaced.");
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AboutHomeStartupCacheChild.uninit();
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});
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