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-rw-r--r--js/xpconnect/tests/unit/test_components.js24
1 files changed, 24 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_components.js b/js/xpconnect/tests/unit/test_components.js
new file mode 100644
index 0000000000..e019b78f8f
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_components.js
@@ -0,0 +1,24 @@
+function run_test() {
+ var sb1 = Cu.Sandbox("http://www.blah.com");
+ var sb2 = Cu.Sandbox(this);
+ var rv;
+
+ // non-chrome accessing chrome Components
+ sb1.C = Components;
+ checkThrows("C.interfaces", sb1);
+ checkThrows("C.utils", sb1);
+ checkThrows("C.classes", sb1);
+
+ // non-chrome accessing own Components: shouldn't exist.
+ Assert.equal(Cu.evalInSandbox("typeof Components", sb1), 'undefined');
+
+ // chrome accessing chrome
+ sb2.C = Components;
+ rv = Cu.evalInSandbox("C.utils", sb2);
+ Assert.equal(rv, Cu);
+}
+
+function checkThrows(expression, sb) {
+ var result = Cu.evalInSandbox('(function() { try { ' + expression + '; return "allowed"; } catch (e) { return e.toString(); }})();', sb);
+ Assert.ok(!!/denied/.exec(result));
+}