1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/argument-length-function.js b/js/src/jit-test/tests/ctypes/argument-length-function.js
new file mode 100644
index 0000000000..2d26596620
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/argument-length-function.js
@@ -0,0 +1,11 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.FunctionType(); },
+                         "FunctionType takes two or three arguments");
+  assertTypeErrorMessage(() => { ctypes.FunctionType(ctypes.default_abi, ctypes.void_t, []).ptr({}, 1); },
+                         "FunctionType constructor takes one argument");
+}
+
+if (typeof ctypes === "object")
+  test();