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diff --git a/fpdfsdk/fpdf_doc_unittest.cpp b/fpdfsdk/fpdf_doc_unittest.cpp
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+// 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));
+}
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