runtime/CSharp3/Sources/Antlr3.Runtime.Test/PreprocessorTests.cs

/*
 * [The "BSD license"]
 * Copyright (c) 2011 Terence Parr
 * All rights reserved.
 *
 * Conversion to C#:
 * Copyright (c) 2011 Sam Harwell, Pixel Mine, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

namespace Antlr3.Runtime.Test
{
    using System.Collections.Generic;
    using Antlr.Runtime;
    using Microsoft.VisualStudio.TestTools.UnitTesting;

    [TestClass]
    public class PreprocessorTests
    {
        [TestMethod]
        public void TestEmptyComment()
        {
            string inputText = "/**/ ";
            var input = new ANTLRStringStream(inputText);
            var lexer = new PreprocessorLexer(input);
            var tokenStream = new CommonTokenStream(lexer);
            tokenStream.Fill();

            List<IToken> tokens = tokenStream.GetTokens();
            Assert.AreEqual(2, tokens.Count);
            Assert.AreEqual(PreprocessorLexer.DELIMITED_COMMENT, tokens[0].Type);
            Assert.AreEqual("/**/", tokens[0].Text);
            Assert.AreEqual(PreprocessorLexer.EOF, tokens[1].Type);
        }
    }
}