1 files changed, 30 insertions, 0 deletions
diff --git a/printing/page_number_unittest.cc b/printing/page_number_unittest.cc
new file mode 100644
index 0000000..ece1e0f
--- /dev/null
+++ b/printing/page_number_unittest.cc
@@ -0,0 +1,30 @@
+// Copyright (c) 2006-2008 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/page_number.h"
+#include "printing/print_settings.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(PageNumberTest, Count) {
+  printing::PrintSettings settings;
+  printing::PageNumber page;
+  EXPECT_EQ(printing::PageNumber::npos(), page);
+  page.Init(settings, 3);
+  EXPECT_EQ(0, page.ToInt());
+  EXPECT_NE(printing::PageNumber::npos(), page);
+  ++page;
+  EXPECT_EQ(1, page.ToInt());
+  EXPECT_NE(printing::PageNumber::npos(), page);
+
+  printing::PageNumber page_copy(page);
+  EXPECT_EQ(1, page_copy.ToInt());
+  EXPECT_EQ(1, page.ToInt());
+  ++page;
+  EXPECT_EQ(1, page_copy.ToInt());
+  EXPECT_EQ(2, page.ToInt());
+  ++page;
+  EXPECT_EQ(printing::PageNumber::npos(), page);
+  ++page;
+  EXPECT_EQ(printing::PageNumber::npos(), page);
+}