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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /modules/libpref/test/unit_ipc/test_sharedMap_static_prefs.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/libpref/test/unit_ipc/test_sharedMap_static_prefs.js')
-rw-r--r-- | modules/libpref/test/unit_ipc/test_sharedMap_static_prefs.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/modules/libpref/test/unit_ipc/test_sharedMap_static_prefs.js b/modules/libpref/test/unit_ipc/test_sharedMap_static_prefs.js new file mode 100644 index 0000000000..a8181bf2cb --- /dev/null +++ b/modules/libpref/test/unit_ipc/test_sharedMap_static_prefs.js @@ -0,0 +1,76 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +"use strict"; + +// Tests that static preferences in the content process +// correctly handle values which are different from their +// statically-defined defaults. +// +// Since we can't access static preference values from JS, this tests relies on +// assertions in debug builds to detect mismatches. The default and user +// values of two preferences are changed (respectively) before a content +// process is started. Once the content process is launched, the +// preference service asserts that the values stored in all static prefs +// match their current values as known to the preference service. If +// there's a mismatch, the shell will crash, and the test will fail. +// +// For sanity, we also check that the dynamically retrieved preference +// values in the content process match our expectations, though this is +// not strictly part of the test. + +const PREF1_NAME = "dom.webcomponents.shadowdom.report_usage"; +const PREF1_VALUE = false; + +const PREF2_NAME = "dom.mutation-events.cssom.disabled"; +const PREF2_VALUE = true; + +const { XPCShellContentUtils } = ChromeUtils.importESModule( + "resource://testing-common/XPCShellContentUtils.sys.mjs" +); + +XPCShellContentUtils.init(this); + +const { prefs } = Services; +const defaultPrefs = prefs.getDefaultBranch(""); + +add_task(async function test_sharedMap_static_prefs() { + equal( + prefs.getBoolPref(PREF1_NAME), + PREF1_VALUE, + `Expected initial value for ${PREF1_NAME}` + ); + equal( + prefs.getBoolPref(PREF2_NAME), + PREF2_VALUE, + `Expected initial value for ${PREF2_NAME}` + ); + + defaultPrefs.setBoolPref(PREF1_NAME, !PREF1_VALUE); + prefs.setBoolPref(PREF2_NAME, !PREF2_VALUE); + + equal( + prefs.getBoolPref(PREF1_NAME), + !PREF1_VALUE, + `Expected updated value for ${PREF1_NAME}` + ); + equal( + prefs.getBoolPref(PREF2_NAME), + !PREF2_VALUE, + `Expected updated value for ${PREF2_NAME}` + ); + + let contentPage = await XPCShellContentUtils.loadContentPage("about:blank", { + remote: true, + }); + registerCleanupFunction(() => contentPage.close()); + + /* eslint-disable no-shadow */ + let values = await contentPage.spawn([[PREF1_NAME, PREF2_NAME]], prefs => { + return prefs.map(pref => Services.prefs.getBoolPref(pref)); + }); + /* eslint-enable no-shadow */ + + equal(values[0], !PREF1_VALUE, `Expected content value for ${PREF1_NAME}`); + equal(values[1], !PREF2_VALUE, `Expected content value for ${PREF2_NAME}`); +}); |