1 files changed, 38 insertions, 0 deletions
diff --git a/printing/page_range_unittest.cc b/printing/page_range_unittest.cc
new file mode 100644
index 0000000..2cb4f82
--- /dev/null
+++ b/printing/page_range_unittest.cc
@@ -0,0 +1,38 @@
+// 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_range.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(PageRangeTest, RangeMerge) {
+  printing::PageRanges ranges;
+  printing::PageRange range;
+  range.from = 1;
+  range.to = 3;
+  ranges.push_back(range);
+  range.from = 10;
+  range.to = 12;
+  ranges.push_back(range);
+  range.from = 2;
+  range.to = 5;
+  ranges.push_back(range);
+  std::vector<int> pages(printing::PageRange::GetPages(ranges));
+  ASSERT_EQ(8U, pages.size());
+  EXPECT_EQ(1, pages[0]);
+  EXPECT_EQ(2, pages[1]);
+  EXPECT_EQ(3, pages[2]);
+  EXPECT_EQ(4, pages[3]);
+  EXPECT_EQ(5, pages[4]);
+  EXPECT_EQ(10, pages[5]);
+  EXPECT_EQ(11, pages[6]);
+  EXPECT_EQ(12, pages[7]);
+  EXPECT_EQ(8, printing::PageRange::GetTotalPages(ranges));
+}
+
+TEST(PageRangeTest, Empty) {
+  printing::PageRanges ranges;
+  std::vector<int> pages(printing::PageRange::GetPages(ranges));
+  EXPECT_EQ(0U, pages.size());
+  EXPECT_EQ(0, printing::PageRange::GetTotalPages(ranges));
+}