1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/incompatible-int64.js b/js/src/jit-test/tests/ctypes/incompatible-int64.js
new file mode 100644
index 0000000000..b2f7a3889c
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/incompatible-int64.js
@@ -0,0 +1,28 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  assertTypeErrorMessage(() => { ctypes.Int64(0).toString.call(1); },
+                         "Int64.prototype.toString called on incompatible object, got the number 1");
+  assertTypeErrorMessage(() => { ctypes.Int64(0).toString.call(ctypes.int32_t(0)); },
+                         "Int64.prototype.toString called on non-Int64 CData");
+  if (ctypes.Int64.prototype.toSource) {
+    assertTypeErrorMessage(() => { ctypes.Int64(0).toSource.call(1); },
+                           "Int64.prototype.toSource called on incompatible object, got the number 1");
+    assertTypeErrorMessage(() => { ctypes.Int64(0).toSource.call(ctypes.int32_t(0)); },
+                           "Int64.prototype.toSource called on non-Int64 CData");
+  }
+
+  assertTypeErrorMessage(() => { ctypes.UInt64(0).toString.call(1); },
+                         "UInt64.prototype.toString called on incompatible object, got the number 1");
+  assertTypeErrorMessage(() => { ctypes.UInt64(0).toString.call(ctypes.int32_t(0)); },
+                         "UInt64.prototype.toString called on non-UInt64 CData");
+  if (ctypes.UInt64.prototype.toSource) {
+    assertTypeErrorMessage(() => { ctypes.UInt64(0).toSource.call(1); },
+                           "UInt64.prototype.toSource called on incompatible object, got the number 1");
+    assertTypeErrorMessage(() => { ctypes.UInt64(0).toSource.call(ctypes.int32_t(0)); },
+                           "UInt64.prototype.toSource called on non-UInt64 CData");
+  }
+}
+
+if (typeof ctypes === "object")
+  test();