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-rw-r--r--core/fpdfapi/parser/cpdf_document.h4
-rw-r--r--core/fpdfapi/parser/cpdf_document_unittest.cpp102
2 files changed, 103 insertions, 3 deletions
diff --git a/core/fpdfapi/parser/cpdf_document.h b/core/fpdfapi/parser/cpdf_document.h
index c557a56013..ea7bd328aa 100644
--- a/core/fpdfapi/parser/cpdf_document.h
+++ b/core/fpdfapi/parser/cpdf_document.h
@@ -102,9 +102,7 @@ class CPDF_Document : public CPDF_IndirectObjectHolder {
FX_BOOL bTranslateName = FALSE);
#endif
- private:
- friend class CPDF_TestDocument;
-
+ protected:
// Retrieve page count information by getting count value from the tree nodes
int RetrievePageCount() const;
CPDF_Dictionary* FindPDFPage(CPDF_Dictionary* pPages,
diff --git a/core/fpdfapi/parser/cpdf_document_unittest.cpp b/core/fpdfapi/parser/cpdf_document_unittest.cpp
new file mode 100644
index 0000000000..34661b1815
--- /dev/null
+++ b/core/fpdfapi/parser/cpdf_document_unittest.cpp
@@ -0,0 +1,102 @@
+// 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 "core/fpdfapi/parser/cpdf_document.h"
+
+#include <memory>
+
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/parser/cpdf_array.h"
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_parser.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+CPDF_Dictionary* CreatePageTreeNode(CPDF_Array* kids,
+ CPDF_Document* pDoc,
+ int count) {
+ CPDF_Dictionary* pageNode = new CPDF_Dictionary();
+ pageNode->SetStringFor("Type", "Pages");
+ pageNode->SetReferenceFor("Kids", pDoc, pDoc->AddIndirectObject(kids));
+ pageNode->SetIntegerFor("Count", count);
+ uint32_t pageNodeRef = pDoc->AddIndirectObject(pageNode);
+ for (size_t i = 0; i < kids->GetCount(); i++)
+ kids->GetDictAt(i)->SetReferenceFor("Parent", pDoc, pageNodeRef);
+ return pageNode;
+}
+
+CPDF_Dictionary* CreateNumberedPage(size_t number) {
+ CPDF_Dictionary* page = new CPDF_Dictionary();
+ page->SetStringFor("Type", "Page");
+ page->SetIntegerFor("PageNumbering", number);
+ return page;
+}
+
+} // namespace
+
+class CPDF_TestDocumentForPages : public CPDF_Document {
+ public:
+ CPDF_TestDocumentForPages() : CPDF_Document(nullptr) {
+ CPDF_ModuleMgr* module_mgr = CPDF_ModuleMgr::Get();
+ module_mgr->InitPageModule();
+ // Set up test
+ CPDF_Array* zeroToTwo = new CPDF_Array();
+ zeroToTwo->AddReference(this, AddIndirectObject(CreateNumberedPage(0)));
+ zeroToTwo->AddReference(this, AddIndirectObject(CreateNumberedPage(1)));
+ zeroToTwo->AddReference(this, AddIndirectObject(CreateNumberedPage(2)));
+ CPDF_Dictionary* branch1 = CreatePageTreeNode(zeroToTwo, this, 3);
+
+ CPDF_Array* zeroToThree = new CPDF_Array();
+ zeroToThree->AddReference(this, branch1->GetObjNum());
+ zeroToThree->AddReference(this, AddIndirectObject(CreateNumberedPage(3)));
+ CPDF_Dictionary* branch2 = CreatePageTreeNode(zeroToThree, this, 4);
+
+ CPDF_Array* fourFive = new CPDF_Array();
+ fourFive->AddReference(this, AddIndirectObject(CreateNumberedPage(4)));
+ fourFive->AddReference(this, AddIndirectObject(CreateNumberedPage(5)));
+ CPDF_Dictionary* branch3 = CreatePageTreeNode(fourFive, this, 2);
+
+ CPDF_Array* justSix = new CPDF_Array();
+ justSix->AddReference(this, AddIndirectObject(CreateNumberedPage(6)));
+ CPDF_Dictionary* branch4 = CreatePageTreeNode(justSix, this, 1);
+
+ CPDF_Array* allPages = new CPDF_Array();
+ allPages->AddReference(this, branch2->GetObjNum());
+ allPages->AddReference(this, branch3->GetObjNum());
+ allPages->AddReference(this, branch4->GetObjNum());
+ CPDF_Dictionary* pagesDict = CreatePageTreeNode(allPages, this, 7);
+
+ CPDF_Dictionary* root = new CPDF_Dictionary();
+ root->SetReferenceFor("Pages", this, AddIndirectObject(pagesDict));
+ m_pRootDict = root;
+ m_PageList.SetSize(7);
+ }
+};
+
+TEST(cpdf_document, GetPages) {
+ std::unique_ptr<CPDF_TestDocumentForPages> document =
+ pdfium::MakeUnique<CPDF_TestDocumentForPages>();
+ for (int i = 0; i < 7; i++) {
+ CPDF_Dictionary* page = document->GetPage(i);
+ ASSERT_TRUE(page);
+ ASSERT_TRUE(page->GetObjectFor("PageNumbering"));
+ EXPECT_EQ(i, page->GetIntegerFor("PageNumbering"));
+ }
+ CPDF_Dictionary* page = document->GetPage(7);
+ EXPECT_FALSE(page);
+}
+
+TEST(cpdf_document, GetPagesReverseOrder) {
+ std::unique_ptr<CPDF_TestDocumentForPages> document =
+ pdfium::MakeUnique<CPDF_TestDocumentForPages>();
+ for (int i = 6; i >= 0; i--) {
+ CPDF_Dictionary* page = document->GetPage(i);
+ ASSERT_TRUE(page);
+ ASSERT_TRUE(page->GetObjectFor("PageNumbering"));
+ EXPECT_EQ(i, page->GetIntegerFor("PageNumbering"));
+ }
+ CPDF_Dictionary* page = document->GetPage(7);
+ EXPECT_FALSE(page);
+}