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/* 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";
const TEST_PATH = getRootDirectory(gTestPath).replace(
"chrome://mochitests/content",
"http://example.com"
);
async function testColorScheme(aPref, aExpectation) {
// Set the browser content theme to light or dark.
Services.prefs.setIntPref("browser.theme.content-theme", aPref);
// Reader Mode Color Scheme Preference must be manually set by the user, will
// default to "auto" initially.
Services.prefs.setCharPref("reader.color_scheme", aExpectation);
let aBodyExpectation = aExpectation;
if (aBodyExpectation === "auto") {
aBodyExpectation = aPref === 1 ? "light" : "dark";
}
// Open a browser tab, enter reader mode, and test if we have the valid
// reader mode color scheme preference pre-selected.
await BrowserTestUtils.withNewTab(
TEST_PATH + "readerModeArticle.html",
async function (browser) {
let pageShownPromise = BrowserTestUtils.waitForContentEvent(
browser,
"AboutReaderContentReady"
);
let readerButton = document.getElementById("reader-mode-button");
readerButton.click();
await pageShownPromise;
let colorScheme = Services.prefs.getCharPref("reader.color_scheme");
Assert.equal(colorScheme, aExpectation);
await SpecialPowers.spawn(browser, [aBodyExpectation], expectation => {
let bodyClass = content.document.body.className;
ok(
bodyClass.includes(expectation),
"The body of the test document has the correct color scheme."
);
});
}
);
}
/**
* Test that opening reader mode maintains the correct color scheme preference
* until the user manually sets a different color scheme.
*/
add_task(async function () {
await testColorScheme(0, "auto");
await testColorScheme(1, "auto");
await testColorScheme(0, "light");
await testColorScheme(1, "light");
await testColorScheme(0, "dark");
await testColorScheme(1, "dark");
await testColorScheme(0, "sepia");
await testColorScheme(1, "sepia");
});
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