58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
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#include <catch2/catch.hpp>
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#include "../lib/Parser.hpp"
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#include "../lib/Lexer.hpp"
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class ParserTest
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{
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public:
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explicit ParserTest() {}
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virtual ~ParserTest() {}
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protected:
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};
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static void test_parser(std::string const& oracle,
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std::string const& source)
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{
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muz::Lexer lexer;
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lexer.scan(source);
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muz::Parser parser;
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auto node = parser.parse(lexer);
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REQUIRE(oracle == node->string());
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}
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static void test_parser_err(std::string const& source)
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{
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muz::Lexer lexer;
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lexer.scan(source);
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muz::Parser parser;
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REQUIRE_THROWS_AS(parser.parse(lexer), muz::syntax_error);
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}
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TEST_CASE_METHOD(ParserTest, "Parser_commands")
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{
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test_parser_err("[hello");
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test_parser_err("hello]");
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test_parser_err("12");
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test_parser("PROG(CMD(IDENT[hello]),CMD(IDENT[world]))",
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"[hello] [world]");
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test_parser("PROG(CMD(IDENT[hello_world]))",
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"[hello_world]");
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test_parser("PROG(CMD(IDENT[sine],NUM[440]))",
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"[sine 440]");
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test_parser("PROG(CMD(IDENT[sine],NUM[440],NUM[217]))",
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"[sine 440 217]");
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}
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TEST_CASE_METHOD(ParserTest, "Parser_directives")
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{
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test_parser("PROG(DIR(DIR_IDENT[@bim],CMD(IDENT[hello_world])))",
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"@bim [hello_world]");
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}
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