53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
|
#include <catch2/catch.hpp>
|
||
|
#include "../lib/Lexer.hpp"
|
||
|
#include "../lib/Factory.hpp"
|
||
|
|
||
|
class LexerTest
|
||
|
{
|
||
|
public:
|
||
|
explicit LexerTest() {}
|
||
|
virtual ~LexerTest() {}
|
||
|
|
||
|
void test_next(jk::Lexer& lexer, std::string const& oracle)
|
||
|
{
|
||
|
auto token = lexer.next();
|
||
|
REQUIRE(token);
|
||
|
REQUIRE(oracle == token->string());
|
||
|
}
|
||
|
|
||
|
void test_end(jk::Lexer& lexer)
|
||
|
{
|
||
|
auto token = lexer.next();
|
||
|
REQUIRE(!token);
|
||
|
}
|
||
|
|
||
|
protected:
|
||
|
jk::Logger m_logger;
|
||
|
};
|
||
|
|
||
|
TEST_CASE_METHOD(LexerTest, "Lexer_int")
|
||
|
{
|
||
|
auto lexer = jk::Factory(m_logger, "tests/lexer").make_lexer();
|
||
|
lexer->scan("4 128 333");
|
||
|
test_next(*lexer, "INT[4]");
|
||
|
test_next(*lexer, "INT[128]");
|
||
|
test_next(*lexer, "INT[333]");
|
||
|
test_end(*lexer);
|
||
|
}
|
||
|
|
||
|
TEST_CASE_METHOD(LexerTest, "Lexer_comments")
|
||
|
{
|
||
|
auto lexer = jk::Factory(m_logger, "tests/lexer").make_lexer();
|
||
|
lexer->scan("4 # 128 \n 333");
|
||
|
test_next(*lexer, "INT[4]");
|
||
|
test_next(*lexer, "INT[333]");
|
||
|
test_end(*lexer);
|
||
|
}
|
||
|
|
||
|
TEST_CASE_METHOD(LexerTest, "Lexer_error")
|
||
|
{
|
||
|
auto lexer = jk::Factory(m_logger, "tests/lexer").make_lexer();
|
||
|
lexer->scan(" § ");
|
||
|
REQUIRE_THROWS_AS(lexer->next(), jk::lexical_error);
|
||
|
}
|