1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/conversion-pointer.js b/js/src/jit-test/tests/ctypes/conversion-pointer.js
new file mode 100644
index 0000000000..d2583b8789
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/conversion-pointer.js
@@ -0,0 +1,29 @@
+// Type conversion error should report its type.
+
+load(libdir + 'asserts.js');
+
+function test() {
+  let test_struct = ctypes.StructType("test_struct", [{ "x": ctypes.int32_t }]);
+  let struct_val = test_struct();
+
+  // constructor
+  assertTypeErrorMessage(() => { ctypes.int32_t.ptr("foo"); },
+                         "can't convert the string \"foo\" to the type ctypes.int32_t.ptr");
+
+  // value setter
+  assertTypeErrorMessage(() => { test_struct.ptr().value = "foo"; },
+                         "can't convert the string \"foo\" to the type test_struct.ptr");
+  assertTypeErrorMessage(() => { test_struct.ptr().value = {}; },
+                         "can't convert the object ({}) to the type test_struct.ptr");
+  assertTypeErrorMessage(() => { test_struct.ptr().value = [1, 2]; },
+                         "can't convert the array [1, 2] to the type test_struct.ptr");
+  assertTypeErrorMessage(() => { test_struct.ptr().value = new Int8Array([1, 2]); },
+                         "can't convert the typed array ({0:1, 1:2}) to the type test_struct.ptr");
+
+  // contents setter
+  assertTypeErrorMessage(() => { ctypes.int32_t().address().contents = {}; },
+                         "can't convert the object ({}) to the type int32_t");
+}
+
+if (typeof ctypes === "object")
+  test();