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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
const BOOL_TEST_PREF = "test.nsPrefOverrideMap.bool";
const INT_TEST_PREF = "test.nsPrefOverrideMap.int";
const STRING_TEST_PREF = "test.nsPrefOverrideMap.string";
add_task(async function test_map() {
let map = Cc["@mozilla.org/pref-override-map;1"].createInstance(
Ci.nsIPrefOverrideMap
);
// Set types of prefs. Map operations must respect them.
Services.prefs.setBoolPref(BOOL_TEST_PREF, false);
Services.prefs.setIntPref(INT_TEST_PREF, -1);
Services.prefs.setStringPref(STRING_TEST_PREF, "string");
Assert.throws(
() => map.addEntry("not.a.real.pref", 0),
/NS_ERROR_DOM_NOT_FOUND_ERR/
);
Assert.throws(
() => map.getEntry("not.a.real.pref"),
/NS_ERROR_DOM_NOT_FOUND_ERR/
);
// Entry must be added to map before getEntry
Assert.throws(() => map.getEntry(BOOL_TEST_PREF), /NS_ERROR_ILLEGAL_VALUE/);
// Entry value can be changed.
map.addEntry(BOOL_TEST_PREF, false);
Assert.equal(map.getEntry(BOOL_TEST_PREF), false);
map.addEntry(BOOL_TEST_PREF, true);
Assert.equal(map.getEntry(BOOL_TEST_PREF), true);
// Cannot change pref value type
Assert.throws(
() => map.addEntry(BOOL_TEST_PREF, "wrong type"),
/TypeMismatchError/
);
Assert.throws(
() => map.addEntry(INT_TEST_PREF, "wrong type"),
/TypeMismatchError/
);
Assert.throws(
() => map.addEntry(STRING_TEST_PREF, true),
/TypeMismatchError/
);
// null value is allowed for any type
Assert.equal(map.getEntry(BOOL_TEST_PREF), true);
map.addEntry(BOOL_TEST_PREF, null);
Assert.equal(map.getEntry(BOOL_TEST_PREF), null);
map.addEntry(INT_TEST_PREF, null);
Assert.equal(map.getEntry(INT_TEST_PREF), null);
map.addEntry(STRING_TEST_PREF, null);
Assert.equal(map.getEntry(STRING_TEST_PREF), null);
// Type must be bool, number, string or null
Assert.throws(() => map.addEntry(BOOL_TEST_PREF, {}), /TypeMismatchError/);
Assert.equal(map.getEntry(BOOL_TEST_PREF), null);
// Cleanup
Services.prefs.clearUserPref(BOOL_TEST_PREF);
Services.prefs.clearUserPref(INT_TEST_PREF);
Services.prefs.clearUserPref(STRING_TEST_PREF);
});