roza/tests/Parser.cpp

52 lines
1.1 KiB
C++

#include <catch2/catch.hpp>
#include "../lib/Lexer.hpp"
#include "../lib/Parser.hpp"
#include "lib/SrcLoc.hpp"
#include "lib/StatusLog.hpp"
class ParserTest
{
public:
explicit ParserTest() {}
virtual ~ParserTest() {}
void test_node(std::string const& oracle, std::string const& source)
{
roza::SrcLoc loc {"parser_tests"};
roza::StatusLog log;
roza::Lexer lexer {log, loc};
roza::Parser parser {lexer, log};
lexer.scan(source);
auto node = parser.parse();
REQUIRE(oracle == node->string());
}
void test_node_err(std::string const& oracle)
{
roza::SrcLoc loc {"parser_tests"};
roza::StatusLog log;
roza::Lexer lexer {log, loc};
roza::Parser parser {lexer, log};
lexer.scan(oracle);
REQUIRE_THROWS(parser.parse());
}
protected:
};
TEST_CASE_METHOD(ParserTest, "Parser_integers")
{
test_node("PROG", "");
test_node("PROG(INSTR(INT[27]))", "27");
test_node("PROG(INSTR(INT[27]))", " 27 ");
test_node("PROG(INSTR(INT[27]),"
"INSTR(INT[9]),"
"INSTR(INT[-99]))", "27 \n 9 \n -99");
test_node_err("32 14 -12");
}