require File.expand_path(File.join(File.dirname(__FILE__), 'helper')) module Racc class TestScanY < TestCase def setup file = File.join(ASSET_DIR, 'scan.y') @debug_flags = Racc::DebugFlags.parse_option_string('o') parser = Racc::GrammarFileParser.new(@debug_flags) @result = parser.parse(File.read(file), File.basename(file)) @states = Racc::States.new(@result.grammar).nfa @states.dfa end def test_compile generator = Racc::ParserFileGenerator.new(@states, @result.params.dup) # it generates valid ruby assert Module.new { self.class_eval(generator.generate_parser) } grammar = @states.grammar assert_equal 0, @states.n_srconflicts assert_equal 0, @states.n_rrconflicts assert_equal 0, grammar.n_useless_nonterminals assert_equal 0, grammar.n_useless_rules assert_nil grammar.n_expected_srconflicts end def test_compile_line_convert params = @result.params.dup params.convert_line_all = true generator = Racc::ParserFileGenerator.new(@states, @result.params.dup) # it generates valid ruby assert Module.new { self.class_eval(generator.generate_parser) } grammar = @states.grammar assert_equal 0, @states.n_srconflicts assert_equal 0, @states.n_rrconflicts assert_equal 0, grammar.n_useless_nonterminals assert_equal 0, grammar.n_useless_rules assert_nil grammar.n_expected_srconflicts end end end