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-rw-r--r--js/src/jit-test/tests/proxy/bug901979-1.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/bug901979-1.js b/js/src/jit-test/tests/proxy/bug901979-1.js
new file mode 100644
index 000000000..f6432a838
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/bug901979-1.js
@@ -0,0 +1,16 @@
+// A proxy on the prototype chain of the global can't intercept lazy definition of globals.
+// Thanks to André Bargull for this one.
+load(libdir + "immutable-prototype.js");
+
+var global = this;
+var status = "pass";
+var handler = {
+ get: function get(t, pk, r) { status = "FAIL get"; },
+ has: function has(t, pk) { status = "FAIL has"; }
+};
+
+if (globalPrototypeChainIsMutable())
+ Object.prototype.__proto__ = new Proxy(Object.create(null), handler);
+
+Map;
+assertEq(status, "pass");