printing/pdf_metafile_cg_mac_unittest.cc

   1 // Copyright (c) 2011 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/pdf_metafile_cg_mac.h"
   6
   7 #import <ApplicationServices/ApplicationServices.h>
   8
   9 #include <string>
  10 #include <vector>
  11
  12 #include "testing/gtest/include/gtest/gtest.h"
  13 #include "ui/gfx/geometry/rect.h"
  14
  15 namespace printing {
  16
  17 TEST(PdfMetafileCgTest, Pdf) {
  18   // Test in-renderer constructor.
  19   PdfMetafileCg pdf;
  20   EXPECT_TRUE(pdf.Init());
  21   EXPECT_TRUE(pdf.context() != NULL);
  22
  23   // Render page 1.
  24   gfx::Rect rect_1(10, 10, 520, 700);
  25   gfx::Size size_1(540, 720);
  26   pdf.StartPage(size_1, rect_1, 1.25);
  27   pdf.FinishPage();
  28
  29   // Render page 2.
  30   gfx::Rect rect_2(10, 10, 520, 700);
  31   gfx::Size size_2(720, 540);
  32   pdf.StartPage(size_2, rect_2, 2.0);
  33   pdf.FinishPage();
  34
  35   pdf.FinishDocument();
  36
  37   // Check data size.
  38   uint32 size = pdf.GetDataSize();
  39   EXPECT_GT(size, 0U);
  40
  41   // Get resulting data.
  42   std::vector<char> buffer(size, 0);
  43   pdf.GetData(&buffer.front(), size);
  44
  45   // Test browser-side constructor.
  46   PdfMetafileCg pdf2;
  47   EXPECT_TRUE(pdf2.InitFromData(&buffer.front(), size));
  48
  49   // Get the first 4 characters from pdf2.
  50   std::vector<char> buffer2(4, 0);
  51   pdf2.GetData(&buffer2.front(), 4);
  52
  53   // Test that the header begins with "%PDF".
  54   std::string header(&buffer2.front(), 4);
  55   EXPECT_EQ(0U, header.find("%PDF", 0));
  56
  57   // Test that the PDF is correctly reconstructed.
  58   EXPECT_EQ(2U, pdf2.GetPageCount());
  59   gfx::Size page_size = pdf2.GetPageBounds(1).size();
  60   EXPECT_EQ(540, page_size.width());
  61   EXPECT_EQ(720, page_size.height());
  62   page_size = pdf2.GetPageBounds(2).size();
  63   EXPECT_EQ(720, page_size.width());
  64   EXPECT_EQ(540, page_size.height());
  65 }
  66
  67 }  // namespace printing