// 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/fxcrt/xml/cfx_xmlparser.h"
#include
#include "core/fxcrt/fx_codepage.h"
#include "core/fxcrt/xml/cfx_xmldocument.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "core/fxcrt/xml/cfx_xmlinstruction.h"
#include "testing/fx_string_testhelpers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/test_support.h"
#include "third_party/base/ptr_util.h"
class CFX_XMLParserTest : public testing::Test {
public:
std::unique_ptr Parse(pdfium::span input) {
CFX_XMLParser parser(pdfium::MakeRetain(
pdfium::as_bytes(input)));
return parser.Parse();
}
};
TEST_F(CFX_XMLParserTest, AttributesMustBeQuoted) {
static const char input[] =
"";
ASSERT_TRUE(Parse(input) == nullptr);
}
TEST_F(CFX_XMLParserTest, Attributes) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"application/x-javascript", script->GetAttribute(L"contentType"));
EXPECT_EQ(L"1", script->GetAttribute(L"display"));
}
TEST_F(CFX_XMLParserTest, CData) {
static const char input[] =
"";
static const wchar_t cdata[] =
L"\n \n"
L" if (a[1] < 3)\n"
L" app.alert(\"Tclams\");\n"
L" \n";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(cdata, script->GetTextData());
}
TEST_F(CFX_XMLParserTest, CDataWithInnerScript) {
static const char input[] =
"\n"
" ]]>\n"
"";
static const wchar_t cdata[] =
L"\n \n"
L" if (a[1] < 3)\n"
L" app.alert(\"Tclams\");\n"
L" \n"
L" \n";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(cdata, script->GetTextData());
}
TEST_F(CFX_XMLParserTest, ArrowBangArrow) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n \n", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, ArrowBangBracketArrow) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, IncompleteCData) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, UnClosedCData) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, EmptyCData) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n \n", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, Comment) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n \n", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, IncorrectCommentStart) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n \n", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, CommentEmpty) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n \n", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, CommentThreeDash) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"\n ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, CommentTwoDash) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
EXPECT_EQ(L"\n ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, Entities) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L"BTjH\xab48&<>'\"", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, EntityOverflowHex) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L" ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, EntityOverflowDecimal) {
static const char input[] =
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* script = doc->GetRoot()->GetFirstChildNamed(L"script");
ASSERT_TRUE(script != nullptr);
EXPECT_EQ(L" ", script->GetTextData());
}
TEST_F(CFX_XMLParserTest, IsXMLNameChar) {
EXPECT_FALSE(CFX_XMLParser::IsXMLNameChar(L'-', true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(L'-', false));
EXPECT_FALSE(CFX_XMLParser::IsXMLNameChar(0x2069, true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(0x2070, true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(0x2073, true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(0x218F, true));
EXPECT_FALSE(CFX_XMLParser::IsXMLNameChar(0x2190, true));
EXPECT_FALSE(CFX_XMLParser::IsXMLNameChar(0xFDEF, true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(0xFDF0, true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(0xFDF1, true));
EXPECT_TRUE(CFX_XMLParser::IsXMLNameChar(0xFFFD, true));
EXPECT_FALSE(CFX_XMLParser::IsXMLNameChar(0xFFFE, true));
}
TEST_F(CFX_XMLParserTest, BadElementClose) {
ASSERT_TRUE(Parse("") == nullptr);
}
TEST_F(CFX_XMLParserTest, DoubleElementClose) {
ASSERT_TRUE(Parse("
") == nullptr);
}
TEST_F(CFX_XMLParserTest, ParseInstruction) {
static const char input[] =
""
"";
std::unique_ptr doc = Parse(input);
ASSERT_TRUE(doc != nullptr);
CFX_XMLElement* root = doc->GetRoot();
ASSERT_TRUE(root->GetFirstChild() != nullptr);
ASSERT_EQ(FX_XMLNODE_Instruction, root->GetFirstChild()->GetType());
CFX_XMLInstruction* instruction =
static_cast(root->GetFirstChild());
EXPECT_TRUE(instruction->IsOriginalXFAVersion());
}
TEST_F(CFX_XMLParserTest, BadEntity) {
static const char input[] =
"";
ASSERT_TRUE(Parse(input) == nullptr);
}