Simplify document title for Windows printing.

printing/backend/print_backend_unittest.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "printing/backend/print_backend.h"
+#include "base/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace printing {
+
+std::string Simplify(const char* title) {
+  return UTF16ToUTF8(PrintBackend::SimplifyDocumentTitle(ASCIIToUTF16(title)));
+}
+
+TEST(PrintBackendTest, SimplifyDocumentTitle) {
+  EXPECT_STREQ("", Simplify("").c_str());
+  EXPECT_STREQ("Document wi...oooong name",
+               Simplify("Document with very looooooooooong name").c_str());
+  EXPECT_STREQ("Control Characters",
+               Simplify("C\ron\ntrol Charac\15ters").c_str());
+  EXPECT_STREQ("", Simplify("\n\r\n\r\t\r").c_str());
+}
+
+}  // namespace printing
+