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plasp/tests/TestUtils.cpp

172 lines
4.5 KiB
C++

#include <gtest/gtest.h>
#include <plasp/utils/IO.h>
#include <plasp/utils/Parser.h>
#include <plasp/utils/ParserException.h>
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(UtilsTests, ParseSimple)
{
std::stringstream s("identifier 5 \n-51\t 0 1 expected unexpected");
plasp::utils::Parser p(s);
ASSERT_EQ(p.parse<std::string>(), "identifier");
ASSERT_EQ(p.parse<size_t>(), 5u);
ASSERT_EQ(p.parse<int>(), -51);
ASSERT_EQ(p.parse<bool>(), false);
ASSERT_EQ(p.parse<bool>(), true);
ASSERT_NO_THROW(p.expect<std::string>("expected"));
ASSERT_THROW(p.expect<std::string>("expected"), plasp::utils::ParserException);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(UtilsTests, ParseUnsignedNumbers)
{
std::stringstream s("100 200 -300 -400");
plasp::utils::Parser p(s);
ASSERT_EQ(p.parse<int>(), 100);
ASSERT_EQ(p.parse<size_t>(), 200u);
ASSERT_EQ(p.parse<int>(), -300);
ASSERT_THROW(p.parse<size_t>(), plasp::utils::ParserException);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(UtilsTests, ParseEndOfFile)
{
std::stringstream s1("test");
plasp::utils::Parser p1(s1);
ASSERT_NO_THROW(p1.expect<std::string>("test"));
ASSERT_THROW(p1.parse<std::string>(), plasp::utils::ParserException);
std::stringstream s2("test1 test2 test3");
plasp::utils::Parser p2(s2);
ASSERT_NO_THROW(p2.expect<std::string>("test1"));
ASSERT_NO_THROW(p2.expect<std::string>("test2"));
ASSERT_NO_THROW(p2.expect<std::string>("test3"));
ASSERT_THROW(p2.parse<std::string>(), plasp::utils::ParserException);
std::stringstream s3("-127");
plasp::utils::Parser p3(s3);
p3.expect<int>(-127);
ASSERT_THROW(p3.parse<int>(), plasp::utils::ParserException);
std::stringstream s4("128 -1023 -4095");
plasp::utils::Parser p4(s4);
ASSERT_NO_THROW(p4.expect<size_t>(128));
ASSERT_NO_THROW(p4.expect<int>(-1023));
ASSERT_NO_THROW(p4.expect<int>(-4095));
ASSERT_THROW(p4.parse<int>(), plasp::utils::ParserException);
std::stringstream s5("0");
plasp::utils::Parser p5(s5);
p5.expect<bool>(false);
ASSERT_THROW(p5.parse<bool>(), plasp::utils::ParserException);
std::stringstream s6("0 1 0");
plasp::utils::Parser p6(s6);
ASSERT_NO_THROW(p6.expect<bool>(false));
ASSERT_NO_THROW(p6.expect<bool>(true));
ASSERT_NO_THROW(p6.expect<bool>(false));
ASSERT_THROW(p6.parse<bool>(), plasp::utils::ParserException);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(UtilsTests, ParserPosition)
{
std::stringstream s("123 \n4\ntest1\n test2\ntest3 \ntest4\n\n\n\n");
plasp::utils::Parser p(s);
ASSERT_EQ(p.row(), 1u);
ASSERT_EQ(p.column(), 1u);
ASSERT_EQ(p.currentCharacter(), '1');
ASSERT_NO_THROW(p.advance());
ASSERT_EQ(p.row(), 1u);
ASSERT_EQ(p.column(), 2u);
ASSERT_EQ(p.currentCharacter(), '2');
ASSERT_NO_THROW(p.advance());
ASSERT_EQ(p.row(), 1u);
ASSERT_EQ(p.column(), 3u);
ASSERT_EQ(p.currentCharacter(), '3');
ASSERT_NO_THROW(p.advance());
ASSERT_EQ(p.row(), 1u);
ASSERT_EQ(p.column(), 4u);
ASSERT_EQ(p.currentCharacter(), ' ');
ASSERT_NO_THROW(p.advance());
ASSERT_EQ(p.row(), 1u);
ASSERT_EQ(p.column(), 5u);
ASSERT_EQ(p.currentCharacter(), '\n');
ASSERT_NO_THROW(p.advance());
ASSERT_EQ(p.row(), 2u);
ASSERT_EQ(p.column(), 1u);
ASSERT_EQ(p.currentCharacter(), '4');
ASSERT_NO_THROW(p.advance());
ASSERT_NO_THROW(p.expect<std::string>("test1"));
ASSERT_EQ(p.row(), 3u);
ASSERT_EQ(p.column(), 6u);
ASSERT_NO_THROW(p.expect<std::string>("test2"));
ASSERT_EQ(p.row(), 4u);
ASSERT_EQ(p.column(), 7u);
ASSERT_NO_THROW(p.expect<std::string>("test3"));
ASSERT_EQ(p.row(), 5u);
ASSERT_EQ(p.column(), 6u);
ASSERT_NO_THROW(p.skipLine());
ASSERT_EQ(p.row(), 6u);
ASSERT_EQ(p.column(), 1u);
ASSERT_NO_THROW(p.skipLine());
ASSERT_EQ(p.row(), 7u);
ASSERT_EQ(p.column(), 1u);
ASSERT_NO_THROW(p.skipWhiteSpace());
ASSERT_TRUE(p.atEndOfFile());
ASSERT_EQ(p.row(), 10u);
ASSERT_EQ(p.column(), 1u);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
TEST(UtilsTests, EscapeASP)
{
const std::string predicate = "action(stack_on(block-1, block-2, value@3, value@4))";
const auto escaped = plasp::utils::escapeASP(predicate);
const auto unescaped = plasp::utils::unescapeASP(escaped);
ASSERT_EQ(escaped.find("-"), std::string::npos);
ASSERT_EQ(escaped.find("@"), std::string::npos);
ASSERT_EQ(predicate, unescaped);
}