fpdfsdk/src/fpdfview_embeddertest.cpp

   1 // Copyright 2015 PDFium 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 <limits>
   6 #include <string>
   7
   8 #include "../../testing/embedder_test.h"
   9 #include "../../fpdfsdk/include/fpdfview.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 class FPDFViewEmbeddertest : public EmbedderTest {
  13 };
  14
  15 TEST_F(FPDFViewEmbeddertest, Document) {
  16   EXPECT_TRUE(OpenDocument("testing/resources/about_blank.pdf"));
  17   EXPECT_EQ(1, GetPageCount());
  18   EXPECT_EQ(0, GetFirstPageNum());
  19
  20   int version;
  21   EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
  22   EXPECT_EQ(14, version);
  23
  24   EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocPermissions(document()));
  25   EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
  26 }
  27
  28 TEST_F(FPDFViewEmbeddertest, Page) {
  29   EXPECT_TRUE(OpenDocument("testing/resources/about_blank.pdf"));
  30   FPDF_PAGE page = LoadPage(0);
  31   EXPECT_NE(nullptr, page);
  32   EXPECT_EQ(612.0, FPDF_GetPageWidth(page));
  33   EXPECT_EQ(792.0, FPDF_GetPageHeight(page));
  34   UnloadPage(page);
  35   EXPECT_EQ(nullptr, LoadPage(1));
  36 }
  37
  38 TEST_F(FPDFViewEmbeddertest, ViewerRef) {
  39   EXPECT_TRUE(OpenDocument("testing/resources/about_blank.pdf"));
  40   EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
  41   EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
  42   EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
  43 }
  44
  45 TEST_F(FPDFViewEmbeddertest, NamedDests) {
  46   EXPECT_TRUE(OpenDocument("testing/resources/named_dests.pdf"));
  47   long buffer_size;
  48   char fixed_buffer[512];
  49   FPDF_DEST dest;
  50
  51   // Query the size of the first item.
  52   buffer_size = 2000000; // Absurdly large, check not used for this case.
  53   dest = FPDF_GetNamedDest(document(), 0, nullptr, buffer_size);
  54   EXPECT_NE(nullptr, dest);
  55   EXPECT_EQ(12u, buffer_size);
  56
  57   // Try to retrieve the first item with too small a buffer.
  58   buffer_size = 10;
  59   dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, buffer_size);
  60   EXPECT_NE(nullptr, dest);
  61   EXPECT_EQ(-1, buffer_size);
  62
  63   // Try to retrieve the first item with correctly sized buffer. Item is
  64   // taken from Dests NameTree in named_dests.pdf.
  65   buffer_size = 12;
  66   dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, buffer_size);
  67   EXPECT_NE(nullptr, dest);
  68   EXPECT_EQ(12u, buffer_size);
  69   EXPECT_EQ(std::string("F\0i\0r\0s\0t\0\0\0", 12),
  70             std::string(fixed_buffer, buffer_size));
  71
  72   // Try to retrieve the second item with ample buffer. Item is taken
  73   // from Dests NameTree but has a sub-dictionary in named_dests.pdf.
  74   buffer_size = sizeof(fixed_buffer);
  75   dest = FPDF_GetNamedDest(document(), 1, fixed_buffer, buffer_size);
  76   EXPECT_NE(nullptr, dest);
  77   EXPECT_EQ(10u, buffer_size);
  78   EXPECT_EQ(std::string("N\0e\0x\0t\0\0\0", 10),
  79             std::string(fixed_buffer, buffer_size));
  80
  81   // Try to retrieve third item with ample buffer. Item is taken
  82   // from Dests NameTree but has a bad sub-dictionary in named_dests.pdf.
  83   // in named_dests.pdf).
  84   buffer_size = sizeof(fixed_buffer);
  85   dest = FPDF_GetNamedDest(document(), 2, fixed_buffer, buffer_size);
  86   EXPECT_EQ(nullptr, dest);
  87   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
  88
  89   // Try to retrieve the forth item with ample buffer. Item is taken
  90   // from Dests NameTree but has a vale of the wrong type in named_dests.pdf.
  91   buffer_size = sizeof(fixed_buffer);
  92   dest = FPDF_GetNamedDest(document(), 3, fixed_buffer, buffer_size);
  93   EXPECT_EQ(nullptr, dest);
  94   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
  95
  96   // Try to retrieve fifth item with ample buffer. Item taken from the
  97   // old-style Dests dictionary object in named_dests.pdf.
  98   buffer_size = sizeof(fixed_buffer);
  99   dest = FPDF_GetNamedDest(document(), 4, fixed_buffer, buffer_size);
 100   EXPECT_NE(nullptr, dest);
 101   EXPECT_EQ(30u, buffer_size);
 102   EXPECT_EQ(
 103       std::string("F\0i\0r\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 30),
 104       std::string(fixed_buffer, buffer_size));
 105
 106   // Try to retrieve sixth item with ample buffer. Item istaken from the
 107   // old-style Dests dictionary object but has a sub-dictionary in
 108   // named_dests.pdf.
 109   buffer_size = sizeof(fixed_buffer);
 110   dest = FPDF_GetNamedDest(document(), 5, fixed_buffer, buffer_size);
 111   EXPECT_NE(nullptr, dest);
 112   EXPECT_EQ(28u, buffer_size);
 113   EXPECT_EQ(
 114       std::string("L\0a\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 28),
 115       std::string(fixed_buffer, buffer_size));
 116
 117   // Try to retrieve non-existent item with ample buffer.
 118   buffer_size = sizeof(fixed_buffer);
 119   dest = FPDF_GetNamedDest(document(), 6, fixed_buffer, buffer_size);
 120   EXPECT_EQ(nullptr, dest);
 121   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
 122
 123   // Try to underflow/overflow the integer index.
 124   buffer_size = sizeof(fixed_buffer);
 125   dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::max(),
 126                            fixed_buffer, buffer_size);
 127   EXPECT_EQ(nullptr, dest);
 128   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
 129
 130   buffer_size = sizeof(fixed_buffer);
 131   dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::min(),
 132                            fixed_buffer, buffer_size);
 133   EXPECT_EQ(nullptr, dest);
 134   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
 135
 136   buffer_size = sizeof(fixed_buffer);
 137   dest = FPDF_GetNamedDest(document(), -1, fixed_buffer, buffer_size);
 138   EXPECT_EQ(nullptr, dest);
 139   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
 140 }
 141
 142 TEST_F(FPDFViewEmbeddertest, NamedDestsByName) {
 143   EXPECT_TRUE(OpenDocument("testing/resources/named_dests.pdf"));
 144
 145   // Null pointer returns NULL.
 146   FPDF_DEST dest = FPDF_GetNamedDestByName(document(), nullptr);
 147   EXPECT_EQ(nullptr, dest);
 148
 149   // Empty string returns NULL.
 150   dest = FPDF_GetNamedDestByName(document(), "");
 151   EXPECT_EQ(nullptr, dest);
 152
 153   // Item from Dests NameTree.
 154   dest = FPDF_GetNamedDestByName(document(), "First");
 155   EXPECT_NE(nullptr, dest);
 156
 157   long ignore_len = 0;
 158   FPDF_DEST dest_by_index =
 159       FPDF_GetNamedDest(document(), 0, nullptr, ignore_len);
 160   EXPECT_EQ(dest_by_index, dest);
 161
 162   // Item from Dests dictionary.
 163   dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
 164   EXPECT_NE(nullptr, dest);
 165
 166   ignore_len = 0;
 167   dest_by_index = FPDF_GetNamedDest(document(), 4, nullptr, ignore_len);
 168   EXPECT_EQ(dest_by_index, dest);
 169
 170   // Bad value type for item from Dests NameTree array.
 171   dest = FPDF_GetNamedDestByName(document(), "WrongType");
 172   EXPECT_EQ(nullptr, dest);
 173
 174   // No such destination in either Dest NameTree or dictionary.
 175   dest = FPDF_GetNamedDestByName(document(), "Bogus");
 176   EXPECT_EQ(nullptr, dest);
 177 }
 178
 179 // The following tests pass if the document opens without crashing.
 180 TEST_F(FPDFViewEmbeddertest, Crasher_113) {
 181   EXPECT_TRUE(OpenDocument("testing/resources/bug_113.pdf"));
 182 }
 183
 184 TEST_F(FPDFViewEmbeddertest, Crasher_451830) {
 185   EXPECT_TRUE(OpenDocument("testing/resources/bug_451830.pdf"));
 186 }
 187
 188 TEST_F(FPDFViewEmbeddertest, Crasher_452455) {
 189   EXPECT_TRUE(OpenDocument("testing/resources/bug_452455.pdf"));
 190   FPDF_PAGE page = LoadPage(0);
 191   EXPECT_NE(nullptr, page);
 192 }
 193
 194 TEST_F(FPDFViewEmbeddertest, Crasher3) {
 195   EXPECT_TRUE(OpenDocument("testing/resources/bug_454695.pdf"));
 196 }