1// Copyright 2017 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "public/fpdf_catalog.h"
6
7#include "core/fpdfapi/cpdf_modulemgr.h"
8#include "core/fpdfapi/parser/cpdf_document.h"
9#include "core/fpdfapi/parser/cpdf_number.h"
10#include "core/fpdfapi/parser/cpdf_parser.h"
11#include "core/fpdfapi/parser/cpdf_string.h"
12#include "testing/gtest/include/gtest/gtest.h"
13#include "testing/test_support.h"
14
15#ifdef PDF_ENABLE_XFA
16#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
17#endif  // PDF_ENABLE_XFA
18
19class CPDF_TestDocument : public CPDF_Document {
20 public:
21  CPDF_TestDocument() : CPDF_Document(nullptr) {}
22
23  void SetRoot(CPDF_Dictionary* root) {
24    m_pRootDict = root;
25    GetRoot();
26  }
27};
28
29#ifdef PDF_ENABLE_XFA
30class CPDF_TestXFAContext : public CPDFXFA_Context {
31 public:
32  CPDF_TestXFAContext()
33      : CPDFXFA_Context(pdfium::MakeUnique<CPDF_TestDocument>()) {}
34
35  void SetRoot(CPDF_Dictionary* root) {
36    reinterpret_cast<CPDF_TestDocument*>(GetPDFDoc())->SetRoot(root);
37  }
38
39  CPDF_IndirectObjectHolder* GetHolder() { return GetPDFDoc(); }
40};
41using CPDF_TestPdfDocument = CPDF_TestXFAContext;
42#else   // PDF_ENABLE_XFA
43using CPDF_TestPdfDocument = CPDF_TestDocument;
44#endif  // PDF_ENABLE_XFA
45
46class PDFCatalogTest : public testing::Test {
47 public:
48  void SetUp() override {
49    CPDF_ModuleMgr::Get()->Init();
50
51    m_pDoc = pdfium::MakeUnique<CPDF_TestPdfDocument>();
52
53    // Setup the root directory.
54    m_pRootObj = pdfium::MakeUnique<CPDF_Dictionary>();
55  }
56
57  void TearDown() override {
58    m_pDoc.reset();
59    CPDF_ModuleMgr::Destroy();
60  }
61
62 protected:
63  std::unique_ptr<CPDF_TestPdfDocument> m_pDoc;
64  std::unique_ptr<CPDF_Dictionary> m_pRootObj;
65};
66
67TEST_F(PDFCatalogTest, IsTagged) {
68  // Null doc
69  EXPECT_FALSE(FPDFCatalog_IsTagged(nullptr));
70
71  // No root
72  m_pDoc->SetRoot(nullptr);
73  EXPECT_FALSE(FPDFCatalog_IsTagged(m_pDoc.get()));
74
75  // Empty root
76  m_pDoc->SetRoot(m_pRootObj.get());
77  EXPECT_FALSE(FPDFCatalog_IsTagged(m_pDoc.get()));
78
79  // Root with other key
80  m_pRootObj->SetNewFor<CPDF_String>("OTHER_KEY", "other value", false);
81  EXPECT_FALSE(FPDFCatalog_IsTagged(m_pDoc.get()));
82
83  // Root with empty MarkInfo
84  CPDF_Dictionary* markInfoDict =
85      m_pRootObj->SetNewFor<CPDF_Dictionary>("MarkInfo");
86  EXPECT_FALSE(FPDFCatalog_IsTagged(m_pDoc.get()));
87
88  // MarkInfo present but Marked is 0
89  markInfoDict->SetNewFor<CPDF_Number>("Marked", 0);
90  EXPECT_FALSE(FPDFCatalog_IsTagged(m_pDoc.get()));
91
92  // MarkInfo present and Marked is 1, PDF is considered tagged.
93  markInfoDict->SetNewFor<CPDF_Number>("Marked", 1);
94  EXPECT_TRUE(FPDFCatalog_IsTagged(m_pDoc.get()));
95}
96