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-rw-r--r--js/xpconnect/tests/unit/test_bug851895.js9
1 files changed, 9 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_bug851895.js b/js/xpconnect/tests/unit/test_bug851895.js
new file mode 100644
index 0000000000..1c3d0f461f
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_bug851895.js
@@ -0,0 +1,9 @@
+function run_test() {
+ // Make sure Components.utils gets its |this| fixed up.
+ var isXrayWrapper = Cu.isXrayWrapper;
+ Assert.ok(!isXrayWrapper({}), "Didn't throw");
+
+ // Even for classes without |this| fixup, make sure that we don't crash.
+ var isSuccessCode = Components.isSuccessCode;
+ try { isSuccessCode(Cr.NS_OK); } catch (e) {};
+}