1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/argument-length-ctypes.js b/js/src/jit-test/tests/ctypes/argument-length-ctypes.js
new file mode 100644
index 0000000000..84b0b9ea54
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/argument-length-ctypes.js
@@ -0,0 +1,11 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.cast(); },
+                         "ctypes.cast takes two arguments");
+  assertTypeErrorMessage(() => { ctypes.getRuntime(); },
+                         "ctypes.getRuntime takes one argument");
+}
+
+if (typeof ctypes === "object")
+  test();