| // 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/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())); |
| } |
| |
| // See bug 465. |
| TEST_F(FPDFViewEmbeddertest, EmptyDocument) { |
| EXPECT_TRUE(CreateEmptyDocument()); |
| |
| { |
| int version = 42; |
| EXPECT_FALSE(FPDF_GetFileVersion(document(), &version)); |
| EXPECT_EQ(0, version); |
| } |
| |
| { |
| #ifndef PDF_ENABLE_XFA |
| const unsigned long kExpected = 0; |
| #else |
| const unsigned long kExpected = static_cast<uint32_t>(-1); |
| #endif |
| EXPECT_EQ(kExpected, FPDF_GetDocPermissions(document())); |
| } |
| |
| EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document())); |
| |
| EXPECT_EQ(0, FPDF_GetPageCount(document())); |
| |
| EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document())); |
| EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document())); |
| EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document())); |
| |
| EXPECT_EQ(0u, FPDF_CountNamedDests(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(12, 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(12, 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(10, 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), |
| static_cast<size_t>(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), |
| static_cast<size_t>(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(30, 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(28, 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), |
| static_cast<size_t>(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), |
| static_cast<size_t>(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), |
| static_cast<size_t>(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), |
| static_cast<size_t>(buffer_size)); // unmodified. |
| } |
| |
| TEST_F(FPDFViewEmbeddertest, NamedDestsByName) { |
| EXPECT_TRUE(OpenDocument("named_dests.pdf")); |
| |
| // Null pointer returns nullptr. |
| FPDF_DEST dest = FPDF_GetNamedDestByName(document(), nullptr); |
| EXPECT_EQ(nullptr, dest); |
| |
| // Empty string returns nullptr. |
| 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")); |
| } |