test_intlUtils_isAppLocaleRTL.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=1673054

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  <title>Test for Bug 1673054 </title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

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<body onload="test()">

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1673054 ">Mozilla Bug 1673054</a>

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<script>

async function test() {

  SimpleTest.waitForExplicitFinish();

  let intlUtils = window.intlUtils;

  ok(intlUtils, "window.intlUtils should exist");

  let originalValue = intlUtils.isAppLocaleRTL();

  ok(originalValue == false, "window.intlUtils.isAppLocaleRTL should exist");

  await SpecialPowers.pushPrefEnv({ set: [["intl.l10n.pseudo", "bidi"]] });

  let currentValue = intlUtils.isAppLocaleRTL();

  ok(currentValue == true, "If pseudolocale is bidi, isAppLocaleRTL should be true");

  await SpecialPowers.clearUserPref("intl.l10n.pseudo");

  currentValue = intlUtils.isAppLocaleRTL();

  ok(originalValue == currentValue, "Without override, isAppLocaleRTL should be default");

  SimpleTest.finish();

</script>

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