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#include "sax_decoder.hh"
#include "sax_decoder_factory.hh"
#include "sax_processor.hh"
#include "sax_delegate.hh"
#include <memory>
#include <gtest/gtest.h>
namespace {
class TestDelegate : public modxml::sax::Delegate {
public:
~TestDelegate() override = default;
void empty_element(std::string_view name,
modxml::sax::Attributes const&) override {
EXPECT_EQ(name, "root");
if (name == "root") {
EXPECT_FALSE(have_root_);
have_root_ = true;
}
}
void error(std::string_view message) override {
have_error_ = true;
FAIL() << message;
}
bool have_root() const { return have_root_; }
bool have_error() const { return have_error_; }
private:
bool have_root_{false};
bool have_error_{false};
};
bool process_all(modxml::sax::Processor& processor,
TestDelegate& delegate,
std::span<uint8_t const> data) {
std::size_t offset = 0;
while (offset < data.size()) {
auto consumed = processor.process(data, offset);
if (consumed == 0 || delegate.have_error())
return false;
offset += consumed;
}
return true;
}
} // namespace
TEST(sax, decoder_utf8) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::string input = R"(<?xml version="1.0" encoding="utf-8"?><root />)";
std::cerr << input << std::endl;
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(reinterpret_cast<uint8_t const*>(input.data()),
input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf8_bom) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::string input =
"\xef\xbb\xbf" R"(<?xml version="1.0" encoding="utf-8"?><root />)";
std::cerr << input << std::endl;
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(reinterpret_cast<uint8_t const*>(input.data()),
input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf16) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u16string input = uR"(<?xml version="1.0" encoding="utf-16"?><root />)";
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(reinterpret_cast<uint8_t const*>(input.data()),
input.size() * sizeof(char16_t))));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf16be) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u16string str = uR"(<?xml version="1.0" encoding="utf-16"?><root />)";
std::vector<uint8_t> input;
for (char16_t c : str) {
input.push_back(c >> 8);
input.push_back(c & 0xff);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf16le) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u16string str = uR"(<?xml version="1.0" encoding="utf-16"?><root />)";
std::vector<uint8_t> input;
for (char16_t c : str) {
input.push_back(c & 0xff);
input.push_back(c >> 8);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf16be_bom) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u16string str =
u"\ufffe" uR"(<?xml version="1.0" encoding="utf-16"?><root />)";
std::vector<uint8_t> input;
for (char16_t c : str) {
input.push_back(c >> 8);
input.push_back(c & 0xff);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf16le_bom) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u16string str =
u"\ufffe" uR"(<?xml version="1.0" encoding="utf-16"?><root />)";
std::vector<uint8_t> input;
for (char16_t c : str) {
input.push_back(c & 0xff);
input.push_back(c >> 8);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf32) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u32string input = UR"(<?xml version="1.0" encoding="utf-32"?><root />)";
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(reinterpret_cast<uint8_t const*>(input.data()),
input.size() * sizeof(char32_t))));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf32be) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u32string str = UR"(<?xml version="1.0" encoding="utf-32"?><root />)";
std::vector<uint8_t> input;
for (char32_t c : str) {
input.push_back(c >> 24);
input.push_back((c >> 16) & 0xff);
input.push_back((c >> 8) & 0xff);
input.push_back(c & 0xff);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf32le) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u32string str = UR"(<?xml version="1.0" encoding="utf-32"?><root />)";
std::vector<uint8_t> input;
for (char32_t c : str) {
input.push_back(c & 0xff);
input.push_back((c >> 8) & 0xff);
input.push_back((c >> 16) & 0xff);
input.push_back(c >> 24);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf32be_bom) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u32string str =
U"\ufffe" UR"(<?xml version="1.0" encoding="utf-32"?><root />)";
std::vector<uint8_t> input;
for (char32_t c : str) {
input.push_back(c >> 24);
input.push_back((c >> 16) & 0xff);
input.push_back((c >> 8) & 0xff);
input.push_back(c & 0xff);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
TEST(sax, decoder_utf32le_bom) {
auto delegate = std::make_shared<TestDelegate>();
auto processor = modxml::sax::Processor::create(delegate);
std::u32string str =
U"\ufffe" R"(<?xml version="1.0" encoding="utf-32"?><root />)";
std::vector<uint8_t> input;
for (char32_t c : str) {
input.push_back(c & 0xff);
input.push_back((c >> 8) & 0xff);
input.push_back((c >> 16) & 0xff);
input.push_back(c >> 24);
}
EXPECT_TRUE(process_all(
*processor.get(),
*delegate.get(),
std::span<uint8_t const>(input.data(), input.size())));
EXPECT_TRUE(delegate->have_root());
}
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