gecko/toolkit/mozapps/extensions/test/xpcshell/test_bug595081.js

28 lines
818 B
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
// Tests that the AddonManager objects cannot be tampered with
function run_test() {
// Setup for test
createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
startupManager();
// Verify that properties cannot be changed
let old = AddonManager.STATE_AVAILABLE;
AddonManager.STATE_AVAILABLE = 28;
do_check_eq(AddonManager.STATE_AVAILABLE, old);
// Verify that functions cannot be replaced
AddonManager.isInstallEnabled = function() {
do_throw("Should not be able to replace a function");
}
AddonManager.isInstallEnabled("application/x-xpinstall");
// Verify that properties cannot be added
AddonManager.foo = "bar";
do_check_false("foo" in AddonManager);
}