1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/argument-length-cdata.js b/js/src/jit-test/tests/ctypes/argument-length-cdata.js
new file mode 100644
index 0000000000..2dc6ff8cd0
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/argument-length-cdata.js
@@ -0,0 +1,18 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.int32_t(0).address(1); },
+                         "CData.prototype.address takes no arguments");
+  assertTypeErrorMessage(() => { ctypes.char.array(10)().readString(1); },
+                         "CData.prototype.readString takes no arguments");
+  assertTypeErrorMessage(() => { ctypes.char.array(10)().readStringReplaceMalformed(1); },
+                         "CData.prototype.readStringReplaceMalformed takes no arguments");
+
+  if (ctypes.int32_t.prototype.toSource) {
+    assertTypeErrorMessage(() => { ctypes.int32_t(0).toSource(1); },
+                           "CData.prototype.toSource takes no arguments");
+  }
+}
+
+if (typeof ctypes === "object")
+  test();