fpdfsdk/src/fpdfview_embeddertest.cpp - platform/external/pdfium - Gitiles

 // Copyright 2015 PDFium 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 <limits>
 #include <string>

 #include "fpdfsdk/src/fpdfview_c_api_test.h"
 #include "public/fpdfview.h"
 #include "testing/embedder_test.h"
 #include "testing/gtest/include/gtest/gtest.h"

 TEST(fpdf, CApiTest) {
   EXPECT_TRUE(CheckPDFiumCApi());
 }

 class FPDFViewEmbeddertest : public EmbedderTest {};

 TEST_F(FPDFViewEmbeddertest, Document) {
   EXPECT_TRUE(OpenDocument("about_blank.pdf"));
   EXPECT_EQ(1, GetPageCount());
   EXPECT_EQ(0, GetFirstPageNum());

   int version;
   EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
   EXPECT_EQ(14, version);

   EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocPermissions(document()));
   EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
 }

 TEST_F(FPDFViewEmbeddertest, Page) {
   EXPECT_TRUE(OpenDocument("about_blank.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
   EXPECT_EQ(612.0, FPDF_GetPageWidth(page));
   EXPECT_EQ(792.0, FPDF_GetPageHeight(page));
   UnloadPage(page);
   EXPECT_EQ(nullptr, LoadPage(1));
 }

 TEST_F(FPDFViewEmbeddertest, ViewerRef) {
   EXPECT_TRUE(OpenDocument("about_blank.pdf"));
   EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
   EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
   EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
 }

 TEST_F(FPDFViewEmbeddertest, NamedDests) {
   EXPECT_TRUE(OpenDocument("named_dests.pdf"));
   long buffer_size;
   char fixed_buffer[512];
   FPDF_DEST dest;

   // Query the size of the first item.
   buffer_size = 2000000;  // Absurdly large, check not used for this case.
   dest = FPDF_GetNamedDest(document(), 0, nullptr, &buffer_size);
   EXPECT_NE(nullptr, dest);
   EXPECT_EQ(12u, buffer_size);

   // Try to retrieve the first item with too small a buffer.
   buffer_size = 10;
   dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
   EXPECT_NE(nullptr, dest);
   EXPECT_EQ(-1, buffer_size);

   // Try to retrieve the first item with correctly sized buffer. Item is
   // taken from Dests NameTree in named_dests.pdf.
   buffer_size = 12;
   dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
   EXPECT_NE(nullptr, dest);
   EXPECT_EQ(12u, buffer_size);
   EXPECT_EQ(std::string("F\0i\0r\0s\0t\0\0\0", 12),
             std::string(fixed_buffer, buffer_size));

   // Try to retrieve the second item with ample buffer. Item is taken
   // from Dests NameTree but has a sub-dictionary in named_dests.pdf.
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), 1, fixed_buffer, &buffer_size);
   EXPECT_NE(nullptr, dest);
   EXPECT_EQ(10u, buffer_size);
   EXPECT_EQ(std::string("N\0e\0x\0t\0\0\0", 10),
             std::string(fixed_buffer, buffer_size));

   // Try to retrieve third item with ample buffer. Item is taken
   // from Dests NameTree but has a bad sub-dictionary in named_dests.pdf.
   // in named_dests.pdf).
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), 2, fixed_buffer, &buffer_size);
   EXPECT_EQ(nullptr, dest);
   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.

   // Try to retrieve the forth item with ample buffer. Item is taken
   // from Dests NameTree but has a vale of the wrong type in named_dests.pdf.
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), 3, fixed_buffer, &buffer_size);
   EXPECT_EQ(nullptr, dest);
   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.

   // Try to retrieve fifth item with ample buffer. Item taken from the
   // old-style Dests dictionary object in named_dests.pdf.
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), 4, fixed_buffer, &buffer_size);
   EXPECT_NE(nullptr, dest);
   EXPECT_EQ(30u, buffer_size);
   EXPECT_EQ(std::string("F\0i\0r\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 30),
             std::string(fixed_buffer, buffer_size));

   // Try to retrieve sixth item with ample buffer. Item istaken from the
   // old-style Dests dictionary object but has a sub-dictionary in
   // named_dests.pdf.
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), 5, fixed_buffer, &buffer_size);
   EXPECT_NE(nullptr, dest);
   EXPECT_EQ(28u, buffer_size);
   EXPECT_EQ(std::string("L\0a\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 28),
             std::string(fixed_buffer, buffer_size));

   // Try to retrieve non-existent item with ample buffer.
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), 6, fixed_buffer, &buffer_size);
   EXPECT_EQ(nullptr, dest);
   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.

   // Try to underflow/overflow the integer index.
   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::max(),
                            fixed_buffer, &buffer_size);
   EXPECT_EQ(nullptr, dest);
   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.

   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::min(),
                            fixed_buffer, &buffer_size);
   EXPECT_EQ(nullptr, dest);
   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.

   buffer_size = sizeof(fixed_buffer);
   dest = FPDF_GetNamedDest(document(), -1, fixed_buffer, &buffer_size);
   EXPECT_EQ(nullptr, dest);
   EXPECT_EQ(sizeof(fixed_buffer), buffer_size);  // unmodified.
 }

 TEST_F(FPDFViewEmbeddertest, NamedDestsByName) {
   EXPECT_TRUE(OpenDocument("named_dests.pdf"));

   // Null pointer returns NULL.
   FPDF_DEST dest = FPDF_GetNamedDestByName(document(), nullptr);
   EXPECT_EQ(nullptr, dest);

   // Empty string returns NULL.
   dest = FPDF_GetNamedDestByName(document(), "");
   EXPECT_EQ(nullptr, dest);

   // Item from Dests NameTree.
   dest = FPDF_GetNamedDestByName(document(), "First");
   EXPECT_NE(nullptr, dest);

   long ignore_len = 0;
   FPDF_DEST dest_by_index =
       FPDF_GetNamedDest(document(), 0, nullptr, &ignore_len);
   EXPECT_EQ(dest_by_index, dest);

   // Item from Dests dictionary.
   dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
   EXPECT_NE(nullptr, dest);

   ignore_len = 0;
   dest_by_index = FPDF_GetNamedDest(document(), 4, nullptr, &ignore_len);
   EXPECT_EQ(dest_by_index, dest);

   // Bad value type for item from Dests NameTree array.
   dest = FPDF_GetNamedDestByName(document(), "WrongType");
   EXPECT_EQ(nullptr, dest);

   // No such destination in either Dest NameTree or dictionary.
   dest = FPDF_GetNamedDestByName(document(), "Bogus");
   EXPECT_EQ(nullptr, dest);
 }

 // The following tests pass if the document opens without crashing.
 TEST_F(FPDFViewEmbeddertest, Crasher_113) {
   EXPECT_TRUE(OpenDocument("bug_113.pdf"));
 }

 TEST_F(FPDFViewEmbeddertest, Crasher_451830) {
   // Document is damaged and can't be opened.
   EXPECT_FALSE(OpenDocument("bug_451830.pdf"));
 }

 TEST_F(FPDFViewEmbeddertest, Crasher_452455) {
   EXPECT_TRUE(OpenDocument("bug_452455.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
   UnloadPage(page);
 }

 TEST_F(FPDFViewEmbeddertest, Crasher_454695) {
   // Document is damaged and can't be opened.
   EXPECT_FALSE(OpenDocument("bug_454695.pdf"));
 }

 TEST_F(FPDFViewEmbeddertest, Crasher_572871) {
   EXPECT_TRUE(OpenDocument("bug_572871.pdf"));
 }

 // It tests that document can still be loaded even the trailer has no 'Size'
 // field if other information is right.
 TEST_F(FPDFViewEmbeddertest, Failed_213) {
   EXPECT_TRUE(OpenDocument("bug_213.pdf"));
 }

 // The following tests pass if the document opens without infinite looping.
 TEST_F(FPDFViewEmbeddertest, Hang_298) {
   EXPECT_FALSE(OpenDocument("bug_298.pdf"));
 }

 // Test if the document opens without infinite looping.
 // Previously this test will hang in a loop inside LoadAllCrossRefV4. After
 // the fix, LoadAllCrossRefV4 will return false after detecting a cross
 // reference loop. Cross references will be rebuilt successfully.
 TEST_F(FPDFViewEmbeddertest, CrossRefV4Loop) {
   EXPECT_TRUE(OpenDocument("bug_xrefv4_loop.pdf"));
 }

 // The test should pass when circular references to ParseIndirectObject will not
 // cause infinite loop.
 TEST_F(FPDFViewEmbeddertest, Hang_343) {
   EXPECT_FALSE(OpenDocument("bug_343.pdf"));
 }

 // The test should pass when the absence of 'Contents' field in a signature
 // dictionary will not cause an infinite loop in CPDF_SyntaxParser::GetObject().
 TEST_F(FPDFViewEmbeddertest, Hang_344) {
   EXPECT_FALSE(OpenDocument("bug_344.pdf"));
 }

 // The test should pass when there is no infinite recursion in
 // CPDF_SyntaxParser::GetString().
 TEST_F(FPDFViewEmbeddertest, Hang_355) {
   EXPECT_FALSE(OpenDocument("bug_355.pdf"));
 }
 // The test should pass even when the file has circular references to pages.
 TEST_F(FPDFViewEmbeddertest, Hang_360) {
   EXPECT_FALSE(OpenDocument("bug_360.pdf"));
 }
	// Copyright 2015 PDFium 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 <limits>
	#include <string>

	#include "fpdfsdk/src/fpdfview_c_api_test.h"
	#include "public/fpdfview.h"
	#include "testing/embedder_test.h"
	#include "testing/gtest/include/gtest/gtest.h"

	TEST(fpdf, CApiTest) {
	EXPECT_TRUE(CheckPDFiumCApi());
	}

	class FPDFViewEmbeddertest : public EmbedderTest {};

	TEST_F(FPDFViewEmbeddertest, Document) {
	EXPECT_TRUE(OpenDocument("about_blank.pdf"));
	EXPECT_EQ(1, GetPageCount());
	EXPECT_EQ(0, GetFirstPageNum());

	int version;
	EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
	EXPECT_EQ(14, version);

	EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocPermissions(document()));
	EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
	}

	TEST_F(FPDFViewEmbeddertest, Page) {
	EXPECT_TRUE(OpenDocument("about_blank.pdf"));
	FPDF_PAGE page = LoadPage(0);
	EXPECT_NE(nullptr, page);
	EXPECT_EQ(612.0, FPDF_GetPageWidth(page));
	EXPECT_EQ(792.0, FPDF_GetPageHeight(page));
	UnloadPage(page);
	EXPECT_EQ(nullptr, LoadPage(1));
	}

	TEST_F(FPDFViewEmbeddertest, ViewerRef) {
	EXPECT_TRUE(OpenDocument("about_blank.pdf"));
	EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
	EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
	EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
	}

	TEST_F(FPDFViewEmbeddertest, NamedDests) {
	EXPECT_TRUE(OpenDocument("named_dests.pdf"));
	long buffer_size;
	char fixed_buffer[512];
	FPDF_DEST dest;

	// Query the size of the first item.
	buffer_size = 2000000; // Absurdly large, check not used for this case.
	dest = FPDF_GetNamedDest(document(), 0, nullptr, &buffer_size);
	EXPECT_NE(nullptr, dest);
	EXPECT_EQ(12u, buffer_size);

	// Try to retrieve the first item with too small a buffer.
	buffer_size = 10;
	dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
	EXPECT_NE(nullptr, dest);
	EXPECT_EQ(-1, buffer_size);

	// Try to retrieve the first item with correctly sized buffer. Item is
	// taken from Dests NameTree in named_dests.pdf.
	buffer_size = 12;
	dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
	EXPECT_NE(nullptr, dest);
	EXPECT_EQ(12u, buffer_size);
	EXPECT_EQ(std::string("F\0i\0r\0s\0t\0\0\0", 12),
	std::string(fixed_buffer, buffer_size));

	// Try to retrieve the second item with ample buffer. Item is taken
	// from Dests NameTree but has a sub-dictionary in named_dests.pdf.
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), 1, fixed_buffer, &buffer_size);
	EXPECT_NE(nullptr, dest);
	EXPECT_EQ(10u, buffer_size);
	EXPECT_EQ(std::string("N\0e\0x\0t\0\0\0", 10),
	std::string(fixed_buffer, buffer_size));

	// Try to retrieve third item with ample buffer. Item is taken
	// from Dests NameTree but has a bad sub-dictionary in named_dests.pdf.
	// in named_dests.pdf).
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), 2, fixed_buffer, &buffer_size);
	EXPECT_EQ(nullptr, dest);
	EXPECT_EQ(sizeof(fixed_buffer), buffer_size); // unmodified.

	// Try to retrieve the forth item with ample buffer. Item is taken
	// from Dests NameTree but has a vale of the wrong type in named_dests.pdf.
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), 3, fixed_buffer, &buffer_size);
	EXPECT_EQ(nullptr, dest);
	EXPECT_EQ(sizeof(fixed_buffer), buffer_size); // unmodified.

	// Try to retrieve fifth item with ample buffer. Item taken from the
	// old-style Dests dictionary object in named_dests.pdf.
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), 4, fixed_buffer, &buffer_size);
	EXPECT_NE(nullptr, dest);
	EXPECT_EQ(30u, buffer_size);
	EXPECT_EQ(std::string("F\0i\0r\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 30),
	std::string(fixed_buffer, buffer_size));

	// Try to retrieve sixth item with ample buffer. Item istaken from the
	// old-style Dests dictionary object but has a sub-dictionary in
	// named_dests.pdf.
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), 5, fixed_buffer, &buffer_size);
	EXPECT_NE(nullptr, dest);
	EXPECT_EQ(28u, buffer_size);
	EXPECT_EQ(std::string("L\0a\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 28),
	std::string(fixed_buffer, buffer_size));

	// Try to retrieve non-existent item with ample buffer.
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), 6, fixed_buffer, &buffer_size);
	EXPECT_EQ(nullptr, dest);
	EXPECT_EQ(sizeof(fixed_buffer), buffer_size); // unmodified.

	// Try to underflow/overflow the integer index.
	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::max(),
	fixed_buffer, &buffer_size);
	EXPECT_EQ(nullptr, dest);
	EXPECT_EQ(sizeof(fixed_buffer), buffer_size); // unmodified.

	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::min(),
	fixed_buffer, &buffer_size);
	EXPECT_EQ(nullptr, dest);
	EXPECT_EQ(sizeof(fixed_buffer), buffer_size); // unmodified.

	buffer_size = sizeof(fixed_buffer);
	dest = FPDF_GetNamedDest(document(), -1, fixed_buffer, &buffer_size);
	EXPECT_EQ(nullptr, dest);
	EXPECT_EQ(sizeof(fixed_buffer), buffer_size); // unmodified.
	}

	TEST_F(FPDFViewEmbeddertest, NamedDestsByName) {
	EXPECT_TRUE(OpenDocument("named_dests.pdf"));

	// Null pointer returns NULL.
	FPDF_DEST dest = FPDF_GetNamedDestByName(document(), nullptr);
	EXPECT_EQ(nullptr, dest);

	// Empty string returns NULL.
	dest = FPDF_GetNamedDestByName(document(), "");
	EXPECT_EQ(nullptr, dest);

	// Item from Dests NameTree.
	dest = FPDF_GetNamedDestByName(document(), "First");
	EXPECT_NE(nullptr, dest);

	long ignore_len = 0;
	FPDF_DEST dest_by_index =
	FPDF_GetNamedDest(document(), 0, nullptr, &ignore_len);
	EXPECT_EQ(dest_by_index, dest);

	// Item from Dests dictionary.
	dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
	EXPECT_NE(nullptr, dest);

	ignore_len = 0;
	dest_by_index = FPDF_GetNamedDest(document(), 4, nullptr, &ignore_len);
	EXPECT_EQ(dest_by_index, dest);

	// Bad value type for item from Dests NameTree array.
	dest = FPDF_GetNamedDestByName(document(), "WrongType");
	EXPECT_EQ(nullptr, dest);

	// No such destination in either Dest NameTree or dictionary.
	dest = FPDF_GetNamedDestByName(document(), "Bogus");
	EXPECT_EQ(nullptr, dest);
	}

	// The following tests pass if the document opens without crashing.
	TEST_F(FPDFViewEmbeddertest, Crasher_113) {
	EXPECT_TRUE(OpenDocument("bug_113.pdf"));
	}

	TEST_F(FPDFViewEmbeddertest, Crasher_451830) {
	// Document is damaged and can't be opened.
	EXPECT_FALSE(OpenDocument("bug_451830.pdf"));
	}

	TEST_F(FPDFViewEmbeddertest, Crasher_452455) {
	EXPECT_TRUE(OpenDocument("bug_452455.pdf"));
	FPDF_PAGE page = LoadPage(0);
	EXPECT_NE(nullptr, page);
	UnloadPage(page);
	}

	TEST_F(FPDFViewEmbeddertest, Crasher_454695) {
	// Document is damaged and can't be opened.
	EXPECT_FALSE(OpenDocument("bug_454695.pdf"));
	}

	TEST_F(FPDFViewEmbeddertest, Crasher_572871) {
	EXPECT_TRUE(OpenDocument("bug_572871.pdf"));
	}

	// It tests that document can still be loaded even the trailer has no 'Size'
	// field if other information is right.
	TEST_F(FPDFViewEmbeddertest, Failed_213) {
	EXPECT_TRUE(OpenDocument("bug_213.pdf"));
	}

	// The following tests pass if the document opens without infinite looping.
	TEST_F(FPDFViewEmbeddertest, Hang_298) {
	EXPECT_FALSE(OpenDocument("bug_298.pdf"));
	}

	// Test if the document opens without infinite looping.
	// Previously this test will hang in a loop inside LoadAllCrossRefV4. After
	// the fix, LoadAllCrossRefV4 will return false after detecting a cross
	// reference loop. Cross references will be rebuilt successfully.
	TEST_F(FPDFViewEmbeddertest, CrossRefV4Loop) {
	EXPECT_TRUE(OpenDocument("bug_xrefv4_loop.pdf"));
	}

	// The test should pass when circular references to ParseIndirectObject will not
	// cause infinite loop.
	TEST_F(FPDFViewEmbeddertest, Hang_343) {
	EXPECT_FALSE(OpenDocument("bug_343.pdf"));
	}

	// The test should pass when the absence of 'Contents' field in a signature
	// dictionary will not cause an infinite loop in CPDF_SyntaxParser::GetObject().
	TEST_F(FPDFViewEmbeddertest, Hang_344) {
	EXPECT_FALSE(OpenDocument("bug_344.pdf"));
	}

	// The test should pass when there is no infinite recursion in
	// CPDF_SyntaxParser::GetString().
	TEST_F(FPDFViewEmbeddertest, Hang_355) {
	EXPECT_FALSE(OpenDocument("bug_355.pdf"));
	}
	// The test should pass even when the file has circular references to pages.
	TEST_F(FPDFViewEmbeddertest, Hang_360) {
	EXPECT_FALSE(OpenDocument("bug_360.pdf"));
	}