1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/argument-length-finalizer.js b/js/src/jit-test/tests/ctypes/argument-length-finalizer.js
new file mode 100644
index 0000000000..70e15bf8f0
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/argument-length-finalizer.js
@@ -0,0 +1,16 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.CDataFinalizer(1); },
+                         "CDataFinalizer constructor takes two arguments");
+
+  let fin = ctypes.CDataFinalizer(ctypes.int32_t(0), ctypes.FunctionType(ctypes.default_abi, ctypes.int32_t, [ctypes.int32_t]).ptr(x => x));
+  assertTypeErrorMessage(() => { fin.forget(1); },
+                         "CDataFinalizer.prototype.forget takes no arguments");
+  assertTypeErrorMessage(() => { fin.dispose(1); },
+                         "CDataFinalizer.prototype.dispose takes no arguments");
+  fin.forget();
+}
+
+if (typeof ctypes === "object")
+  test();