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Diffstat (limited to 'fpdfsdk/fpdf_doc_unittest.cpp')
-rw-r--r-- | fpdfsdk/fpdf_doc_unittest.cpp | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/fpdfsdk/fpdf_doc_unittest.cpp b/fpdfsdk/fpdf_doc_unittest.cpp new file mode 100644 index 0000000000..b52cccf098 --- /dev/null +++ b/fpdfsdk/fpdf_doc_unittest.cpp @@ -0,0 +1,271 @@ +// Copyright 2016 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 "public/fpdf_doc.h" + +#include <memory> +#include <vector> + +#include "core/fpdfapi/cpdf_modulemgr.h" +#include "core/fpdfapi/parser/cpdf_array.h" +#include "core/fpdfapi/parser/cpdf_document.h" +#include "core/fpdfapi/parser/cpdf_name.h" +#include "core/fpdfapi/parser/cpdf_null.h" +#include "core/fpdfapi/parser/cpdf_number.h" +#include "core/fpdfapi/parser/cpdf_parser.h" +#include "core/fpdfapi/parser/cpdf_reference.h" +#include "core/fpdfapi/parser/cpdf_string.h" +#include "core/fpdfdoc/cpdf_dest.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "testing/test_support.h" +#include "third_party/base/ptr_util.h" + +#ifdef PDF_ENABLE_XFA +#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h" +#endif // PDF_ENABLE_XFA + +class CPDF_TestDocument : public CPDF_Document { + public: + CPDF_TestDocument() : CPDF_Document(nullptr) {} + + void SetRoot(CPDF_Dictionary* root) { m_pRootDict = root; } + CPDF_IndirectObjectHolder* GetHolder() { return this; } +}; + +#ifdef PDF_ENABLE_XFA +class CPDF_TestXFAContext : public CPDFXFA_Context { + public: + CPDF_TestXFAContext() + : CPDFXFA_Context(pdfium::MakeUnique<CPDF_TestDocument>()) {} + + void SetRoot(CPDF_Dictionary* root) { + reinterpret_cast<CPDF_TestDocument*>(GetPDFDoc())->SetRoot(root); + } + + CPDF_IndirectObjectHolder* GetHolder() { return GetPDFDoc(); } +}; +using CPDF_TestPdfDocument = CPDF_TestXFAContext; +#else // PDF_ENABLE_XFA +using CPDF_TestPdfDocument = CPDF_TestDocument; +#endif // PDF_ENABLE_XFA + +class PDFDocTest : public testing::Test { + public: + struct DictObjInfo { + uint32_t num; + CPDF_Dictionary* obj; + }; + + void SetUp() override { + CPDF_ModuleMgr::Get()->Init(); + + m_pDoc = pdfium::MakeUnique<CPDF_TestPdfDocument>(); + m_pIndirectObjs = m_pDoc->GetHolder(); + + // Setup the root directory. + m_pRootObj = pdfium::MakeUnique<CPDF_Dictionary>(); + m_pDoc->SetRoot(m_pRootObj.get()); + } + + void TearDown() override { + m_pRootObj.reset(); + m_pIndirectObjs = nullptr; + m_pDoc.reset(); + CPDF_ModuleMgr::Destroy(); + } + + std::vector<DictObjInfo> CreateDictObjs(int num) { + std::vector<DictObjInfo> info; + for (int i = 0; i < num; ++i) { + // Objects created will be released by the document. + CPDF_Dictionary* obj = m_pIndirectObjs->NewIndirect<CPDF_Dictionary>(); + info.push_back({obj->GetObjNum(), obj}); + } + return info; + } + + protected: + std::unique_ptr<CPDF_TestPdfDocument> m_pDoc; + UnownedPtr<CPDF_IndirectObjectHolder> m_pIndirectObjs; + std::unique_ptr<CPDF_Dictionary> m_pRootObj; +}; + +TEST_F(PDFDocTest, FindBookmark) { + { + // No bookmark information. + std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = + GetFPDFWideString(L""); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + title = GetFPDFWideString(L"Preface"); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + } + { + // Empty bookmark tree. + m_pRootObj->SetNewFor<CPDF_Dictionary>("Outlines"); + std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = + GetFPDFWideString(L""); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + title = GetFPDFWideString(L"Preface"); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + } + { + // Check on a regular bookmark tree. + auto bookmarks = CreateDictObjs(3); + + bookmarks[1].obj->SetNewFor<CPDF_String>("Title", L"Chapter 1"); + bookmarks[1].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[0].num); + bookmarks[1].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(), + bookmarks[2].num); + + bookmarks[2].obj->SetNewFor<CPDF_String>("Title", L"Chapter 2"); + bookmarks[2].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[0].num); + bookmarks[2].obj->SetNewFor<CPDF_Reference>("Prev", m_pIndirectObjs.Get(), + bookmarks[1].num); + + bookmarks[0].obj->SetNewFor<CPDF_Name>("Type", "Outlines"); + bookmarks[0].obj->SetNewFor<CPDF_Number>("Count", 2); + bookmarks[0].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(), + bookmarks[1].num); + bookmarks[0].obj->SetNewFor<CPDF_Reference>("Last", m_pIndirectObjs.Get(), + bookmarks[2].num); + + m_pRootObj->SetNewFor<CPDF_Reference>("Outlines", m_pIndirectObjs.Get(), + bookmarks[0].num); + + // Title with no match. + std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = + GetFPDFWideString(L"Chapter 3"); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + // Title with partial match only. + title = GetFPDFWideString(L"Chapter"); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + // Title with a match. + title = GetFPDFWideString(L"Chapter 2"); + EXPECT_EQ(bookmarks[2].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + // Title match is case insensitive. + title = GetFPDFWideString(L"cHaPter 2"); + EXPECT_EQ(bookmarks[2].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); + } + { + // Circular bookmarks in depth. + auto bookmarks = CreateDictObjs(3); + + bookmarks[1].obj->SetNewFor<CPDF_String>("Title", L"Chapter 1"); + bookmarks[1].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[0].num); + bookmarks[1].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(), + bookmarks[2].num); + + bookmarks[2].obj->SetNewFor<CPDF_String>("Title", L"Chapter 2"); + bookmarks[2].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[1].num); + bookmarks[2].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(), + bookmarks[1].num); + + bookmarks[0].obj->SetNewFor<CPDF_Name>("Type", "Outlines"); + bookmarks[0].obj->SetNewFor<CPDF_Number>("Count", 2); + bookmarks[0].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(), + bookmarks[1].num); + bookmarks[0].obj->SetNewFor<CPDF_Reference>("Last", m_pIndirectObjs.Get(), + bookmarks[2].num); + + m_pRootObj->SetNewFor<CPDF_Reference>("Outlines", m_pIndirectObjs.Get(), + bookmarks[0].num); + + // Title with no match. + std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = + GetFPDFWideString(L"Chapter 3"); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + // Title with a match. + title = GetFPDFWideString(L"Chapter 2"); + EXPECT_EQ(bookmarks[2].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); + } + { + // Circular bookmarks in breadth. + auto bookmarks = CreateDictObjs(4); + + bookmarks[1].obj->SetNewFor<CPDF_String>("Title", L"Chapter 1"); + bookmarks[1].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[0].num); + bookmarks[1].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(), + bookmarks[2].num); + + bookmarks[2].obj->SetNewFor<CPDF_String>("Title", L"Chapter 2"); + bookmarks[2].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[0].num); + bookmarks[2].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(), + bookmarks[3].num); + + bookmarks[3].obj->SetNewFor<CPDF_String>("Title", L"Chapter 3"); + bookmarks[3].obj->SetNewFor<CPDF_Reference>("Parent", m_pIndirectObjs.Get(), + bookmarks[0].num); + bookmarks[3].obj->SetNewFor<CPDF_Reference>("Next", m_pIndirectObjs.Get(), + bookmarks[1].num); + + bookmarks[0].obj->SetNewFor<CPDF_Name>("Type", "Outlines"); + bookmarks[0].obj->SetNewFor<CPDF_Number>("Count", 2); + bookmarks[0].obj->SetNewFor<CPDF_Reference>("First", m_pIndirectObjs.Get(), + bookmarks[1].num); + bookmarks[0].obj->SetNewFor<CPDF_Reference>("Last", m_pIndirectObjs.Get(), + bookmarks[2].num); + + m_pRootObj->SetNewFor<CPDF_Reference>("Outlines", m_pIndirectObjs.Get(), + bookmarks[0].num); + + // Title with no match. + std::unique_ptr<unsigned short, pdfium::FreeDeleter> title = + GetFPDFWideString(L"Chapter 8"); + EXPECT_EQ(nullptr, FPDFBookmark_Find(m_pDoc.get(), title.get())); + + // Title with a match. + title = GetFPDFWideString(L"Chapter 3"); + EXPECT_EQ(bookmarks[3].obj, FPDFBookmark_Find(m_pDoc.get(), title.get())); + } +} + +TEST_F(PDFDocTest, GetLocationInPage) { + auto array = pdfium::MakeUnique<CPDF_Array>(); + array->AddNew<CPDF_Number>(0); // Page Index. + array->AddNew<CPDF_Name>("XYZ"); + array->AddNew<CPDF_Number>(4); // X + array->AddNew<CPDF_Number>(5); // Y + array->AddNew<CPDF_Number>(6); // Zoom. + + FPDF_BOOL hasX; + FPDF_BOOL hasY; + FPDF_BOOL hasZoom; + FS_FLOAT x; + FS_FLOAT y; + FS_FLOAT zoom; + + EXPECT_TRUE(FPDFDest_GetLocationInPage(array.get(), &hasX, &hasY, &hasZoom, + &x, &y, &zoom)); + EXPECT_TRUE(hasX); + EXPECT_TRUE(hasY); + EXPECT_TRUE(hasZoom); + EXPECT_EQ(4, x); + EXPECT_EQ(5, y); + EXPECT_EQ(6, zoom); + + array->SetNewAt<CPDF_Null>(2); + array->SetNewAt<CPDF_Null>(3); + array->SetNewAt<CPDF_Null>(4); + EXPECT_TRUE(FPDFDest_GetLocationInPage(array.get(), &hasX, &hasY, &hasZoom, + &x, &y, &zoom)); + EXPECT_FALSE(hasX); + EXPECT_FALSE(hasY); + EXPECT_FALSE(hasZoom); + + array = pdfium::MakeUnique<CPDF_Array>(); + EXPECT_FALSE(FPDFDest_GetLocationInPage(array.get(), &hasX, &hasY, &hasZoom, + &x, &y, &zoom)); +} |