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-rw-r--r--js/xpconnect/tests/unit/test_bug778409.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_bug778409.js b/js/xpconnect/tests/unit/test_bug778409.js
new file mode 100644
index 0000000000..4ca2ea6767
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_bug778409.js
@@ -0,0 +1,10 @@
+function run_test() {
+ var sb1 = Cu.Sandbox('http://example.com');
+ var sb2 = Cu.Sandbox('http://example.org');
+ var chromeObj = {foo: 2};
+ var sb1obj = Cu.evalInSandbox('new Object()', sb1);
+ chromeObj.__proto__ = sb1obj;
+ sb2.wrapMe = chromeObj;
+ Assert.ok(true, "Didn't crash");
+ Assert.equal(sb2.wrapMe.__proto__, sb1obj, 'proto set correctly');
+}