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gtest_PPCodeUnitStream.cpp
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214 lines (182 loc) · 6.34 KB
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#include "PPCodePointCheck.h"
#include "PPCodeUnitStream.h"
#include "PPUTF32Stream.h"
#include <gtest/gtest.h>
TEST(PPCodeUnitStream, ASCIIText)
{
const std::string src = R"(ASCII text here)";
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
ASSERT_FALSE(stream->isEmpty());
for (int i = 0; i < src.length(); i++) {
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
stream->toNext();
ASSERT_EQ(static_cast<const char32_t>(src[i]), unit->getChar32());
}
}
TEST(PPCodeUnitStream, AutoAppendEndingNewLine)
{
const std::string src = R"(pure text)";
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
for (int i = 0; i < src.length(); i++) {
ASSERT_FALSE(stream->isEmpty());
stream->toNext();
}
// The last character should be a new-line.
ASSERT_FALSE(stream->isEmpty());
ASSERT_EQ(U'\n', stream->getCodeUnit()->getChar32());
stream->toNext();
ASSERT_TRUE(stream->isEmpty());
}
TEST(PPCodeUnitStream, SingleQuad)
{
const std::string src = R"(\u340F)"; // '㐏'
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'\u340F', unit->getChar32());
ASSERT_EQ(R"(\u340F)", unit->getRawText());
//ASSERT_EQ(std::u32string(UR"(\u340F)"), unit->getUTF32String());
}
TEST(PPCodeUnitStream, DoubleQuad)
{
const std::string src = R"(\U0001104D)"; // "𑁍"
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'\U0001104D', unit->getChar32());
ASSERT_EQ(R"(\U0001104D)", unit->getRawText());
//ASSERT_EQ(std::u32string(UR"(\U0001104D)"), unit->getUTF32String());
}
TEST(PPCodeUnitStream, IncompleteSingleQuad)
{
const std::string src = R"(\u0FX)";
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
for (const char ch: src) {
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(static_cast<char32_t>(ch), unit->getChar32());
ASSERT_EQ(std::string(1, ch), unit->getRawText());
stream->toNext();
}
{ // new-line
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'\n', unit->getChar32());
ASSERT_EQ("\n", unit->getRawText());
stream->toNext();
}
ASSERT_TRUE(stream->isEmpty());
}
TEST(PPCodeUnitStream, IncompleteDoubleQuad)
{
const std::string src = R"(\U0FX)";
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
for (const char ch: src) {
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(static_cast<char32_t>(ch), unit->getChar32());
ASSERT_EQ(std::string(1, ch), unit->getRawText());
stream->toNext();
}
{ // new-line
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'\n', unit->getChar32());
ASSERT_EQ("\n", unit->getRawText());
stream->toNext();
}
ASSERT_TRUE(stream->isEmpty());
}
TEST(PPCodeUnitStream, BackslashEscape)
{
const std::string src = R"(\n)";
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
{ // '\'
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'\\', unit->getChar32());
ASSERT_EQ(R"(\)", unit->getRawText());
stream->toNext();
}
{ // n
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'n', unit->getChar32());
ASSERT_EQ("n", unit->getRawText());
stream->toNext();
}
{ // new-line
ASSERT_FALSE(stream->isEmpty());
const std::shared_ptr<PPCodeUnit> unit = stream->getCodeUnit();
ASSERT_EQ(U'\n', unit->getChar32());
ASSERT_EQ("\n", unit->getRawText());
stream->toNext();
}
ASSERT_TRUE(stream->isEmpty());
}
TEST(PPCodeUnitStream, SimpleMixed)
{
const std::string src = R"(\u340F
\U0001240F
Normal program goes here...
)";
auto u32stream = std::make_shared<PPUTF32Stream>(src);
auto stream = std::make_shared<PPCodeUnitStream>(u32stream);
{ // \u340F
ASSERT_FALSE(stream->isEmpty());
const auto unit = stream->getCodeUnit();
ASSERT_EQ(PPCodeUnitType::UniversalCharacterName, unit->getType());
ASSERT_EQ(R"(\u340F)", unit->getRawText());
stream->toNext();
}
{ // \n
ASSERT_FALSE(stream->isEmpty());
const auto unit = stream->getCodeUnit();
ASSERT_EQ(PPCodeUnitType::ASCIIChar, unit->getType());
ASSERT_EQ("\n", unit->getRawText());
stream->toNext();
}
{ // \U0001240F
ASSERT_FALSE(stream->isEmpty());
const auto unit = stream->getCodeUnit();
ASSERT_EQ(PPCodeUnitType::UniversalCharacterName, unit->getType());
ASSERT_EQ(R"(\U0001240F)", unit->getRawText());
stream->toNext();
}
{ // \n
ASSERT_FALSE(stream->isEmpty());
const auto unit = stream->getCodeUnit();
ASSERT_EQ(PPCodeUnitType::ASCIIChar, unit->getType());
ASSERT_EQ("\n", unit->getRawText());
stream->toNext();
}
{ // basic source characters
const std::string text = " Normal program goes here...";
for (int i = 0; i < text.length(); i++) {
ASSERT_FALSE(stream->isEmpty());
const auto unit = stream->getCodeUnit();
const PPCodeUnitType type = PPCodePointCheck::isWhitespaceCharacter(text[i]) ? PPCodeUnitType::WhitespaceCharacter : PPCodeUnitType::ASCIIChar;
ASSERT_EQ(type, unit->getType());
ASSERT_EQ(text[i], static_cast<char>(unit->getChar32()));
stream->toNext();
}
}
{ // \n x 3
for (int i = 0; i < 3; i++) {
ASSERT_FALSE(stream->isEmpty());
const auto unit = stream->getCodeUnit();
ASSERT_EQ(PPCodeUnitType::ASCIIChar, unit->getType());
ASSERT_EQ("\n", unit->getRawText());
stream->toNext();
}
}
ASSERT_TRUE(stream->isEmpty());
}