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76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Tests for handling of the preferences 'dirty' flag (bug 985998) */
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const PREF_INVALID = 0;
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const PREF_BOOL = 128;
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const PREF_INT = 64;
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const PREF_STRING = 32;
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function run_test() {
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var ps = Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefService);
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let defaultBranch = ps.getDefaultBranch("");
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let userBranch = ps.getBranch("");
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let prefFile = do_get_profile();
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prefFile.append("prefs.js");
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//**************************************************************************//
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// prefs are not dirty after a write
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ps.savePrefFile(prefFile);
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do_check_false(ps.dirty);
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// set a new a user value, we should become dirty
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userBranch.setBoolPref("DirtyTest.new.bool", true);
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do_check_true(ps.dirty);
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ps.savePrefFile(prefFile);
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// Overwrite a pref with the same value => not dirty
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userBranch.setBoolPref("DirtyTest.new.bool", true);
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do_check_false(ps.dirty);
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// Repeat for the other two types
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userBranch.setIntPref("DirtyTest.new.int", 1);
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do_check_true(ps.dirty);
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ps.savePrefFile(prefFile);
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// Overwrite a pref with the same value => not dirty
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userBranch.setIntPref("DirtyTest.new.int", 1);
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do_check_false(ps.dirty);
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userBranch.setCharPref("DirtyTest.new.char", "oop");
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do_check_true(ps.dirty);
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ps.savePrefFile(prefFile);
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// Overwrite a pref with the same value => not dirty
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userBranch.setCharPref("DirtyTest.new.char", "oop");
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do_check_false(ps.dirty);
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// change *type* of a user value -> dirty
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userBranch.setBoolPref("DirtyTest.new.char", false);
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do_check_true(ps.dirty);
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ps.savePrefFile(prefFile);
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// Set a default pref => not dirty (defaults don't go into prefs.js)
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defaultBranch.setBoolPref("DirtyTest.existing.bool", true);
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do_check_false(ps.dirty);
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// Fail to change type of a pref with default value -> not dirty
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do_check_throws(function() {
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userBranch.setCharPref("DirtyTest.existing.bool", "boo"); }, Cr.NS_ERROR_UNEXPECTED);
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do_check_false(ps.dirty);
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// Set user value same as default, not dirty
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userBranch.setBoolPref("DirtyTest.existing.bool", true);
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do_check_false(ps.dirty);
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// User value different from default, dirty
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userBranch.setBoolPref("DirtyTest.existing.bool", false);
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do_check_true(ps.dirty);
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ps.savePrefFile(prefFile);
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// Back to default value, dirty again
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userBranch.setBoolPref("DirtyTest.existing.bool", true);
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do_check_true(ps.dirty);
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ps.savePrefFile(prefFile);
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}
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