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640fe52298
MozReview-Commit-ID: F6xUXCgdRE4 --HG-- extra : rebase_source : 65de1b0aba412d9044b5196115f74276caa058f2
45 lines
1.4 KiB
JavaScript
45 lines
1.4 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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"use strict";
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// Tests that the preference helpers work properly.
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const { PrefsHelper } = require("devtools/client/shared/prefs");
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function test() {
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const Prefs = new PrefsHelper("devtools.debugger", {
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"foo": ["Bool", "enabled"]
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});
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const originalPrefValue = Services.prefs.getBoolPref("devtools.debugger.enabled");
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is(Prefs.foo, originalPrefValue, "The pref value was correctly fetched.");
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Prefs.foo = !originalPrefValue;
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is(Prefs.foo, !originalPrefValue,
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"The pref was was correctly changed (1).");
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is(Services.prefs.getBoolPref("devtools.debugger.enabled"), !originalPrefValue,
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"The pref was was correctly changed (2).");
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Services.prefs.setBoolPref("devtools.debugger.enabled", originalPrefValue);
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info("The pref value was reset (1).");
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is(Prefs.foo, !originalPrefValue,
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"The cached pref value hasn't changed yet (1).");
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Services.prefs.setBoolPref("devtools.debugger.enabled", !originalPrefValue);
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info("The pref value was reset (2).");
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is(Prefs.foo, !originalPrefValue,
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"The cached pref value hasn't changed yet (2).");
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Prefs.registerObserver();
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Services.prefs.setBoolPref("devtools.debugger.enabled", originalPrefValue);
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info("The pref value was reset (3).");
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is(Prefs.foo, originalPrefValue,
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"The cached pref value has changed now.");
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Prefs.unregisterObserver();
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finish();
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}
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