printing/page_number_unittest.cc

   1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "printing/page_number.h"
   6 #include "printing/print_settings.h"
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 TEST(PageNumberTest, Count) {
  10   printing::PrintSettings settings;
  11   printing::PageNumber page;
  12   EXPECT_EQ(printing::PageNumber::npos(), page);
  13   page.Init(settings, 3);
  14   EXPECT_EQ(0, page.ToInt());
  15   EXPECT_NE(printing::PageNumber::npos(), page);
  16   ++page;
  17   EXPECT_EQ(1, page.ToInt());
  18   EXPECT_NE(printing::PageNumber::npos(), page);
  19
  20   printing::PageNumber page_copy(page);
  21   EXPECT_EQ(1, page_copy.ToInt());
  22   EXPECT_EQ(1, page.ToInt());
  23   ++page;
  24   EXPECT_EQ(1, page_copy.ToInt());
  25   EXPECT_EQ(2, page.ToInt());
  26   ++page;
  27   EXPECT_EQ(printing::PageNumber::npos(), page);
  28   ++page;
  29   EXPECT_EQ(printing::PageNumber::npos(), page);
  30 }