1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/argument-length-struct.js b/js/src/jit-test/tests/ctypes/argument-length-struct.js
new file mode 100644
index 0000000000..0e8efbb6ab
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/argument-length-struct.js
@@ -0,0 +1,17 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.StructType(); },
+                         "StructType takes one or two arguments");
+  assertTypeErrorMessage(() => { ctypes.StructType("a").define(); },
+                         "StructType.prototype.define takes one argument");
+  assertTypeErrorMessage(() => { ctypes.StructType("a", [])(1, 2, 3); },
+                         "StructType constructor takes at most one argument");
+  assertTypeErrorMessage(() => { ctypes.StructType("a", [ {"x": ctypes.int32_t }, {"y": ctypes.int32_t }, {"z": ctypes.int32_t }])(1, 2); },
+                         "StructType constructor takes 0, 1, or 3 arguments");
+  assertTypeErrorMessage(() => { ctypes.StructType("a", [ {"x": ctypes.int32_t } ])().addressOfField(); },
+                         "StructType.prototype.addressOfField takes one argument");
+}
+
+if (typeof ctypes === "object")
+  test();