diff options
Diffstat (limited to 'core/fxcrt/xml/cfx_xmlnode_unittest.cpp')
| -rw-r--r-- | core/fxcrt/xml/cfx_xmlnode_unittest.cpp | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/core/fxcrt/xml/cfx_xmlnode_unittest.cpp b/core/fxcrt/xml/cfx_xmlnode_unittest.cpp new file mode 100644 index 0000000000..1c69069942 --- /dev/null +++ b/core/fxcrt/xml/cfx_xmlnode_unittest.cpp @@ -0,0 +1,275 @@ +// Copyright 2018 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 <utility> + +#include "core/fxcrt/xml/cfx_xmlelement.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "testing/test_support.h" +#include "third_party/base/ptr_util.h" + +TEST(CFX_XMLNodeTest, GetParent) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + + node1->AppendChild(std::move(child2)); + node2->AppendChild(std::move(child3)); + + EXPECT_EQ(nullptr, node1->GetParent()); + EXPECT_EQ(node1.get(), node2->GetParent()); + EXPECT_EQ(node2, node3->GetParent()); +} + +TEST(CFX_XMLNodeTest, GetRoot) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + + node1->AppendChild(std::move(child2)); + node2->AppendChild(std::move(child3)); + + EXPECT_EQ(node1.get(), node1->GetRoot()); + EXPECT_EQ(node1.get(), node2->GetRoot()); + EXPECT_EQ(node1.get(), node3->GetRoot()); +} + +TEST(CFX_XMLNodeTest, GetChildren) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + auto child4 = pdfium::MakeUnique<CFX_XMLElement>(L"node4"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + CFX_XMLElement* node4 = child4.get(); + + node1->AppendChild(std::move(child2)); + node1->AppendChild(std::move(child4)); + node2->AppendChild(std::move(child3)); + + EXPECT_EQ(node2, node1->GetFirstChild()); + + EXPECT_EQ(node4, node2->GetNextSibling()); + EXPECT_EQ(node3, node2->GetFirstChild()); + + EXPECT_TRUE(node3->GetNextSibling() == nullptr); + EXPECT_TRUE(node3->GetFirstChild() == nullptr); + + EXPECT_TRUE(node4->GetNextSibling() == nullptr); + EXPECT_TRUE(node4->GetFirstChild() == nullptr); +} + +TEST(CFX_XMLNodeTest, DeleteChildren) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + auto child4 = pdfium::MakeUnique<CFX_XMLElement>(L"node4"); + + CFX_XMLElement* node2 = child2.get(); + // CFX_XMLElement* node3 = child3.get(); + // CFX_XMLElement* node4 = child4.get(); + + node1->AppendChild(std::move(child2)); + node1->AppendChild(std::move(child4)); + node2->AppendChild(std::move(child3)); + + node1->DeleteChildren(); + EXPECT_TRUE(node1->GetFirstChild() == nullptr); + EXPECT_TRUE(node1->GetLastChildForTesting() == nullptr); + + // TODO(dsinclair): This isn't true currently but will be true when + // we own the nodes in an XML document. (Currently nodes are unique_ptrs + // so the objects have been deleted by this point.) + + // EXPECT_TRUE(node2->GetParent() == nullptr); + // EXPECT_TRUE(node4->GetParent() == nullptr); + + // // node2 and node4 should no longer be siblings. + // EXPECT_TRUE(node2->GetNextSibling() == nullptr); + // EXPECT_TRUE(node4->GetPrevSiblingForTesting() == nullptr); + + // Deleting children doesn't change deleted substructure + // EXPECT_EQ(node3, node2->GetFirstChild()); + // EXPECT_TRUE(node3->GetParent() == node2); +} + +TEST(CFX_XMLNodeTest, AddingChildren) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + auto child4 = pdfium::MakeUnique<CFX_XMLElement>(L"node4"); + auto child5 = pdfium::MakeUnique<CFX_XMLElement>(L"node5"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + CFX_XMLElement* node4 = child4.get(); + CFX_XMLElement* node5 = child5.get(); + + node1->AppendChild(std::move(child2)); + node1->AppendChild(std::move(child3)); + + EXPECT_EQ(node1.get(), node2->GetParent()); + EXPECT_EQ(node1.get(), node3->GetParent()); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node3, node2->GetNextSibling()); + EXPECT_TRUE(node3->GetNextSibling() == nullptr); + + // Insert to negative appends. + node1->InsertChildNode(std::move(child4), -1); + EXPECT_EQ(node1.get(), node4->GetParent()); + EXPECT_EQ(node4, node3->GetNextSibling()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); + + node1->InsertChildNode(std::move(child5), 1); + EXPECT_EQ(node1.get(), node5->GetParent()); + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node5, node2->GetNextSibling()); + EXPECT_EQ(node3, node5->GetNextSibling()); + EXPECT_EQ(node4, node3->GetNextSibling()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); +} + +TEST(CFX_XMLNodeTest, RemovingMiddleChild) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + auto child4 = pdfium::MakeUnique<CFX_XMLElement>(L"node4"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + CFX_XMLElement* node4 = child4.get(); + + node1->AppendChild(std::move(child2)); + node1->AppendChild(std::move(child3)); + node1->AppendChild(std::move(child4)); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node3, node2->GetNextSibling()); + EXPECT_EQ(node4, node3->GetNextSibling()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); + + node1->RemoveChildNode(node3); + // Node is released by parent, so need to take ownership + child3 = pdfium::WrapUnique(node3); + + EXPECT_TRUE(node3->GetParent() == nullptr); + EXPECT_TRUE(node3->GetNextSibling() == nullptr); + EXPECT_TRUE(node3->GetPrevSiblingForTesting() == nullptr); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node4, node2->GetNextSibling()); + EXPECT_EQ(node2, node4->GetPrevSiblingForTesting()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); +} + +TEST(CFX_XMLNodeTest, RemovingFirstChild) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + auto child4 = pdfium::MakeUnique<CFX_XMLElement>(L"node4"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + CFX_XMLElement* node4 = child4.get(); + + node1->AppendChild(std::move(child2)); + node1->AppendChild(std::move(child3)); + node1->AppendChild(std::move(child4)); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node3, node2->GetNextSibling()); + EXPECT_EQ(node4, node3->GetNextSibling()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); + + node1->RemoveChildNode(node2); + // Node is released by parent, so need to take ownership + child2 = pdfium::WrapUnique(node2); + + EXPECT_TRUE(node2->GetParent() == nullptr); + EXPECT_TRUE(node2->GetNextSibling() == nullptr); + EXPECT_TRUE(node2->GetPrevSiblingForTesting() == nullptr); + + EXPECT_EQ(node3, node1->GetFirstChild()); + EXPECT_TRUE(node3->GetPrevSiblingForTesting() == nullptr); + EXPECT_EQ(node4, node3->GetNextSibling()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); +} + +TEST(CFX_XMLNodeTest, RemovingLastChild) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + auto child4 = pdfium::MakeUnique<CFX_XMLElement>(L"node4"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + CFX_XMLElement* node4 = child4.get(); + + node1->AppendChild(std::move(child2)); + node1->AppendChild(std::move(child3)); + node1->AppendChild(std::move(child4)); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node3, node2->GetNextSibling()); + EXPECT_EQ(node4, node3->GetNextSibling()); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); + + node1->RemoveChildNode(node4); + // Node is released by parent, so need to take ownership + child4 = pdfium::WrapUnique(node4); + + EXPECT_TRUE(node4->GetParent() == nullptr); + EXPECT_TRUE(node4->GetNextSibling() == nullptr); + EXPECT_TRUE(node4->GetPrevSiblingForTesting() == nullptr); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_EQ(node3, node2->GetNextSibling()); + EXPECT_TRUE(node3->GetNextSibling() == nullptr); +} + +TEST(CFX_XMLNodeTest, RemovingOnlyChild) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + + CFX_XMLElement* node2 = child2.get(); + + node1->AppendChild(std::move(child2)); + + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_TRUE(node2->GetNextSibling() == nullptr); + + node1->RemoveChildNode(node2); + // Node is released by parent, so need to take ownership + child2 = pdfium::WrapUnique(node2); + + EXPECT_TRUE(node2->GetParent() == nullptr); + + EXPECT_TRUE(node1->GetFirstChild() == nullptr); + EXPECT_TRUE(node2->GetNextSibling() == nullptr); + EXPECT_TRUE(node2->GetPrevSiblingForTesting() == nullptr); +} + +TEST(CFX_XMLNodeTest, RemoveMissingChild) { + auto node1 = pdfium::MakeUnique<CFX_XMLElement>(L"node"); + auto child2 = pdfium::MakeUnique<CFX_XMLElement>(L"node2"); + auto child3 = pdfium::MakeUnique<CFX_XMLElement>(L"node3"); + + CFX_XMLElement* node2 = child2.get(); + CFX_XMLElement* node3 = child3.get(); + + node1->AppendChild(std::move(child2)); + node1->RemoveChildNode(node3); + + EXPECT_TRUE(node3->GetParent() == nullptr); + EXPECT_EQ(node2, node1->GetFirstChild()); + EXPECT_TRUE(node2->GetNextSibling() == nullptr); +} |