MainTest.java 文件源码

/**
 * Test with arithmetic expressions grammar
 * @throws java.io.IOException
 */
@Test
public void testArithExpGram() throws IOException {
  Lexer lexer = new bnfLexer(new ANTLRInputStream(getClass().getResourceAsStream("/arithexp.bnf")));        
  CommonTokenStream tokens = new CommonTokenStream(lexer);
  bnfParser grammarparser = new bnfParser(tokens);
  ParserRuleContext tree = grammarparser.rulelist();
  GeneratorVisitor extractor = new GeneratorVisitor();
  extractor.visit(tree);
  List<String> generatedTests = extractor.getTests();
  Assert.assertEquals(100, generatedTests.size());
}