1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/conversion-to-primitive.js b/js/src/jit-test/tests/ctypes/conversion-to-primitive.js
new file mode 100644
index 0000000000..cdb9a4a051
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/conversion-to-primitive.js
@@ -0,0 +1,20 @@
+// Accessing `value` property of non primitive type should report its type.
+
+load(libdir + 'asserts.js');
+
+function test() {
+  let test_struct = ctypes.StructType("test_struct", [{ "x": ctypes.voidptr_t }]);
+  assertTypeErrorMessage(() => test_struct().value,
+                         ".value only works on character and numeric types, not `test_struct`");
+
+  let test_array = ctypes.ArrayType(test_struct);
+  assertTypeErrorMessage(() => test_array(10).value,
+                         ".value only works on character and numeric types, not `test_struct.array(10)`");
+
+  let test_pointer = ctypes.PointerType(test_struct);
+  assertTypeErrorMessage(() => test_pointer(10).value,
+                         ".value only works on character and numeric types, not `test_struct.ptr`");
+}
+
+if (typeof ctypes === "object")
+  test();