1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/conversion-native-function.js b/js/src/jit-test/tests/ctypes/conversion-native-function.js
new file mode 100644
index 0000000000..b005596c2c
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/conversion-native-function.js
@@ -0,0 +1,37 @@
+// Type conversion error for native function should report its name and type
+// in C style.
+
+load(libdir + 'asserts.js');
+
+function test() {
+  let lib;
+  try {
+    lib = ctypes.open(ctypes.libraryName("m"));
+  } catch (e) {
+  }
+  if (!lib)
+    return;
+
+  let func = lib.declare("hypot",
+                         ctypes.default_abi,
+                         ctypes.double,
+                         ctypes.double, ctypes.double);
+  assertTypeErrorMessage(() => { func(1, "xyzzy"); },
+                         "can't pass the string \"xyzzy\" to argument 2 of double hypot(double, double)");
+
+  // test C style source for various types
+  let test_struct = ctypes.StructType("test_struct", [{ "x": ctypes.int32_t }]);
+  let test_func = ctypes.FunctionType(ctypes.default_abi, ctypes.voidptr_t,
+                                      [ctypes.int32_t]).ptr;
+  func = lib.declare("hypot",
+                     ctypes.default_abi,
+                     ctypes.double,
+                     ctypes.double, ctypes.int32_t.ptr.ptr.ptr.array(),
+                     test_struct, test_struct.ptr.ptr,
+                     test_func, test_func.ptr.ptr.ptr, "...");
+  assertTypeErrorMessage(() => { func("xyzzy", 1, 2, 3, 4, 5); },
+                         "can't pass the string \"xyzzy\" to argument 1 of double hypot(double, int32_t****, struct test_struct, struct test_struct**, void* (*)(int32_t), void* (****)(int32_t), ...)");
+}
+
+if (typeof ctypes === "object")
+  test();