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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /browser/components/newtab/test/xpcshell/test_AboutHomeStartupCacheChild.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/components/newtab/test/xpcshell/test_AboutHomeStartupCacheChild.js')
-rw-r--r--browser/components/newtab/test/xpcshell/test_AboutHomeStartupCacheChild.js33
1 files changed, 33 insertions, 0 deletions
diff --git a/browser/components/newtab/test/xpcshell/test_AboutHomeStartupCacheChild.js b/browser/components/newtab/test/xpcshell/test_AboutHomeStartupCacheChild.js
new file mode 100644
index 0000000000..ce1ee48caa
--- /dev/null
+++ b/browser/components/newtab/test/xpcshell/test_AboutHomeStartupCacheChild.js
@@ -0,0 +1,33 @@
+/* Any copyright is dedicated to the Public Domain.
+http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { AboutHomeStartupCacheChild } = ChromeUtils.importESModule(
+ "resource:///modules/AboutNewTabService.sys.mjs"
+);
+
+/**
+ * Tests that AboutHomeStartupCacheChild will terminate its PromiseWorker
+ * on memory-pressure, and that a new PromiseWorker can then be generated on
+ * demand.
+ */
+add_task(async function test_memory_pressure() {
+ AboutHomeStartupCacheChild.init();
+
+ let worker = AboutHomeStartupCacheChild.getOrCreateWorker();
+ Assert.ok(worker, "Should have been able to get the worker.");
+
+ Assert.equal(
+ worker,
+ AboutHomeStartupCacheChild.getOrCreateWorker(),
+ "The worker is cached and re-usable."
+ );
+
+ Services.obs.notifyObservers(null, "memory-pressure", "heap-minimize");
+
+ let newWorker = AboutHomeStartupCacheChild.getOrCreateWorker();
+ Assert.notEqual(worker, newWorker, "Old worker should have been replaced.");
+
+ AboutHomeStartupCacheChild.uninit();
+});