44 lines
804 B
C++
44 lines
804 B
C++
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#include <catch2/catch.hpp>
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#include "../src/Lexer.hpp"
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using namespace sn;
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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(std::string const& oracle)
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{
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auto tok = m_lexer.next();
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INFO("tok for '" << oracle << "' is nullopt");
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REQUIRE(tok);
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INFO("expected '" << oracle << "', got '" << (*tok)->string() << "'");
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REQUIRE(oracle == (*tok)->string());
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}
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void test_end()
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{
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auto tok = m_lexer.next();
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INFO("end not found");
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REQUIRE(std::nullopt == tok);
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}
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protected:
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Lexer m_lexer;
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};
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TEST_CASE_METHOD(LexerTest, "Lexer_rule")
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{
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m_lexer.scan("hello.world, -> { }");
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test_next("IDENT[hello.world]");
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test_next("COMMA");
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test_next("RARROW");
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test_next("OBRACE");
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test_next("CBRACE");
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test_end();
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}
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