1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testErrorCopying.cpp b/js/src/jsapi-tests/testErrorCopying.cpp
new file mode 100644
index 0000000000..be451c27ba
--- /dev/null
+++ b/js/src/jsapi-tests/testErrorCopying.cpp
@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ *
+ * Tests that the column number of error reports is properly copied over from
+ * other reports when invoked from the C++ api.
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "js/CallAndConstruct.h"
+#include "js/Exception.h"
+#include "jsapi-tests/tests.h"
+
+BEGIN_TEST(testErrorCopying_columnCopied) {
+  // 0        1         2
+  // 1234567890123456789012345678
+  EXEC("function check() { Object; foo; }");
+
+  JS::RootedValue rval(cx);
+  CHECK(!JS_CallFunctionName(cx, global, "check", JS::HandleValueArray::empty(),
+                             &rval));
+  JS::ExceptionStack exnStack(cx);
+  CHECK(JS::StealPendingExceptionStack(cx, &exnStack));
+
+  JS::ErrorReportBuilder report(cx);
+  CHECK(report.init(cx, exnStack, JS::ErrorReportBuilder::WithSideEffects));
+
+  CHECK_EQUAL(report.report()->column, 28u);
+  return true;
+}
+
+END_TEST(testErrorCopying_columnCopied)