33 lines
1 KiB
JavaScript
33 lines
1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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const PREF_DEVTOOLS_THEME = "devtools.theme";
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registerCleanupFunction(() => {
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// Set preferences back to their original values
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Services.prefs.clearUserPref(PREF_DEVTOOLS_THEME);
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});
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add_task(async function testDevtoolsTheme() {
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info("Checking stylesheet and :root attributes based on devtools theme.");
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Services.prefs.setCharPref(PREF_DEVTOOLS_THEME, "light");
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is(
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document.documentElement.getAttribute("devtoolstheme"),
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"light",
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"The element has an attribute based on devtools theme."
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);
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Services.prefs.setCharPref(PREF_DEVTOOLS_THEME, "dark");
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is(
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document.documentElement.getAttribute("devtoolstheme"),
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"dark",
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"The element has an attribute based on devtools theme."
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);
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Services.prefs.setCharPref(PREF_DEVTOOLS_THEME, "unknown");
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is(
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document.documentElement.getAttribute("devtoolstheme"),
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"light",
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"The element has 'light' as a default for the devtoolstheme attribute."
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);
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});
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