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