1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/conversion-error.js b/js/src/jit-test/tests/ctypes/conversion-error.js
new file mode 100644
index 0000000000..a6823fe5ce
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/conversion-error.js
@@ -0,0 +1,14 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  let obj = {
+    toSource() {
+      throw 1;
+    }
+  };
+  assertTypeErrorMessage(() => { ctypes.double().value = obj; },
+                         "can't convert <<error converting value to string>> to the type double");
+}
+
+if (typeof ctypes === "object")
+  test();