1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/argument-type-ctypes.js b/js/src/jit-test/tests/ctypes/argument-type-ctypes.js
new file mode 100644
index 0000000000..168c8fb746
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/argument-type-ctypes.js
@@ -0,0 +1,13 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.cast(1, 2); },
+                         "first argument of ctypes.cast must be a CData");
+  assertTypeErrorMessage(() => { ctypes.cast(ctypes.int32_t(0), 2); },
+                         "second argument of ctypes.cast must be a CType");
+  assertTypeErrorMessage(() => { ctypes.getRuntime(1); },
+                         "argument of ctypes.getRuntime must be a CType");
+}
+
+if (typeof ctypes === "object")
+  test();