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diff --git a/fpdfsdk/fpdfdoc_unittest.cpp b/fpdfsdk/fpdfdoc_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/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/cpdf_name.h"
+#include "core/include/fpdfapi/cpdf_number.h"
+#include "core/include/fpdfapi/cpdf_reference.h"
+#include "core/include/fpdfapi/cpdf_string.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfdoc/fpdf_doc.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/test_support.h"
+
+#ifdef PDF_ENABLE_XFA
+#include "fpdfsdk/include/fpdfxfa/fpdfxfa_app.h"
+#include "fpdfsdk/include/fpdfxfa/fpdfxfa_doc.h"
+#endif // PDF_ENABLE_XFA
+
+class CPDF_TestDocument : public CPDF_Document {
+ public:
+ void SetRoot(CPDF_Dictionary* root) { m_pRootDict = root; }
+ CPDF_IndirectObjectHolder* GetHolder() { return this; }
+};
+
+#ifdef PDF_ENABLE_XFA
+class CPDF_TestXFADocument : public CPDFXFA_Document {
+ public:
+ CPDF_TestXFADocument()
+ : CPDFXFA_Document(new CPDF_TestDocument(), CPDFXFA_App::GetInstance()) {}
+
+ void SetRoot(CPDF_Dictionary* root) {
+ reinterpret_cast<CPDF_TestDocument*>(GetPDFDoc())->SetRoot(root);
+ }
+
+ CPDF_IndirectObjectHolder* GetHolder() { return GetPDFDoc(); }
+};
+using CPDF_TestPdfDocument = CPDF_TestXFADocument;
+#else // PDF_ENABLE_XFA
+using CPDF_TestPdfDocument = CPDF_TestDocument;
+#endif // PDF_ENABLE_XFA
+
+class PDFDocTest : public testing::Test {
+ public:
+ struct DictObjInfo {
+ FX_DWORD num;
+ CPDF_Dictionary* obj;
+ };
+
+ void SetUp() override {
+ // We don't need page module or render module, but
+ // initialize them to keep the code sane.
+ CPDF_ModuleMgr::Create();
+ CPDF_ModuleMgr* module_mgr = CPDF_ModuleMgr::Get();
+ module_mgr->InitPageModule();
+ module_mgr->InitRenderModule();
+
+ m_pDoc.reset(new CPDF_TestPdfDocument());
+ m_pIndirectObjs = m_pDoc->GetHolder();
+ // Setup the root directory.
+ m_pRootObj.reset(new CPDF_Dictionary());
+ m_pDoc->SetRoot(m_pRootObj.get());
+ }
+
+ 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(new CPDF_Dictionary());
+ m_pIndirectObjs->AddIndirectObject(obj);
+ info.push_back({obj->GetObjNum(), obj});
+ }
+ return info;
+ }
+
+ protected:
+ std::unique_ptr<CPDF_TestPdfDocument> m_pDoc;
+ CPDF_IndirectObjectHolder* m_pIndirectObjs;
+ std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<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->SetAt("Outlines", new CPDF_Dictionary());
+ 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->SetAt("Title", new CPDF_String(L"Chapter 1"));
+ bookmarks[1].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+ bookmarks[1].obj->SetAt(
+ "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
+
+ bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2"));
+ bookmarks[2].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+ bookmarks[2].obj->SetAt(
+ "Prev", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+
+ bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines"));
+ bookmarks[0].obj->SetAt("Count", new CPDF_Number(2));
+ bookmarks[0].obj->SetAt(
+ "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+ bookmarks[0].obj->SetAt(
+ "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
+
+ m_pRootObj->SetAt("Outlines",
+ new CPDF_Reference(m_pIndirectObjs, 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->SetAt("Title", new CPDF_String(L"Chapter 1"));
+ bookmarks[1].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+ bookmarks[1].obj->SetAt(
+ "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
+
+ bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2"));
+ bookmarks[2].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+ bookmarks[2].obj->SetAt(
+ "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+
+ bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines"));
+ bookmarks[0].obj->SetAt("Count", new CPDF_Number(2));
+ bookmarks[0].obj->SetAt(
+ "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+ bookmarks[0].obj->SetAt(
+ "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
+
+ m_pRootObj->SetAt("Outlines",
+ new CPDF_Reference(m_pIndirectObjs, 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->SetAt("Title", new CPDF_String(L"Chapter 1"));
+ bookmarks[1].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+ bookmarks[1].obj->SetAt(
+ "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
+
+ bookmarks[2].obj->SetAt("Title", new CPDF_String(L"Chapter 2"));
+ bookmarks[2].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+ bookmarks[2].obj->SetAt(
+ "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[3].num));
+
+ bookmarks[3].obj->SetAt("Title", new CPDF_String(L"Chapter 3"));
+ bookmarks[3].obj->SetAt(
+ "Parent", new CPDF_Reference(m_pIndirectObjs, bookmarks[0].num));
+ bookmarks[3].obj->SetAt(
+ "Next", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+
+ bookmarks[0].obj->SetAt("Type", new CPDF_Name("Outlines"));
+ bookmarks[0].obj->SetAt("Count", new CPDF_Number(2));
+ bookmarks[0].obj->SetAt(
+ "First", new CPDF_Reference(m_pIndirectObjs, bookmarks[1].num));
+ bookmarks[0].obj->SetAt(
+ "Last", new CPDF_Reference(m_pIndirectObjs, bookmarks[2].num));
+
+ m_pRootObj->SetAt("Outlines",
+ new CPDF_Reference(m_pIndirectObjs, 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()));
+ }
+}