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-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyIsExtensible2.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyIsExtensible2.js b/js/src/jit-test/tests/proxy/testDirectProxyIsExtensible2.js
new file mode 100644
index 0000000000..09662541d0
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyIsExtensible2.js
@@ -0,0 +1,12 @@
+load(libdir + "asserts.js");
+// Revoked proxies should throw before calling the handler
+
+var called = false;
+var target = {};
+var handler = { isExtensible: () => called = true };
+var holder = Proxy.revocable(target, handler);
+
+holder.revoke();
+
+assertThrowsInstanceOf(() => Object.isExtensible(holder.proxy), TypeError);
+assertEq(called, false);