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