NUnitWeb Code

/** JavaScript -- DOT NET Javascript Library
 * Copyright (C) 2005 John Garrison
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
using System;
using System.IO;

using NUnit.Framework;

namespace JavaScript.UnitTest
{
	/// <summary>
	/// Summary description for LexTest.
	/// </summary>
	[TestFixture]
	public class LexTest
	{
		public LexTest()
		{
		}

		[Test]
		public void SimpleVar()
		{
			string src = "var x = 1;\n";
			StringReader reader = new StringReader( src );

			Yylex lex = new Yylex( reader );
			Yytoken tok = lex.yylex();
			Assert.AreEqual(JsToken.VAR, tok.m_token, "Expected var");
			
			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected id");
			Assert.AreEqual("x", tok.m_text, "Expected x");
			
			tok = lex.yylex();
			Assert.AreEqual(JsToken.ASSIGN, tok.m_token, "Expected =");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.INT, tok.m_token, "Expected INT");
			Assert.AreEqual("1", tok.m_text, "Expected 1");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.SEMI, tok.m_token, "Expected ;");

			tok = lex.yylex();
			Assert.AreEqual(true, lex.EOF, "Expected EOF");
		}

		[Test]
		public void SimpleFunction()
		{
			string src = "function plus(a, b) {\nreturn ( a + b );\n}\nprint( plus(1,1));\n";

			StringReader reader = new StringReader( src );
			Yylex lex = new Yylex( reader );
			
			Yytoken tok = lex.yylex();
			Assert.AreEqual(JsToken.FUNCTION, tok.m_token, "Expected function");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("plus", tok.m_text, "Expected plus");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.LPARA, tok.m_token, "Expected (");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("a", tok.m_text, "Expected a");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.COMMA, tok.m_token, "Expected ,");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("b", tok.m_text, "Expected b");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.RPARA, tok.m_token, "Expected )");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.LBRACE, tok.m_token, "Expected {");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.RETURN, tok.m_token, "Expected return");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.LPARA, tok.m_token, "Expected (");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("a", tok.m_text, "Expected a");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.PLUS, tok.m_token, "Expected +");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("b", tok.m_text, "Expected b");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.RPARA, tok.m_token, "Expected )");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.SEMI, tok.m_token, "Expected ;");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.RBRACE, tok.m_token, "Expected }");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("print", tok.m_text, "Expected print");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.LPARA, tok.m_token, "Expected (");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.ID, tok.m_token, "Expected ID");
			Assert.AreEqual("plus", tok.m_text, "Expected plus");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.LPARA, tok.m_token, "Expected (");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.INT, tok.m_token, "Expected 1");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.COMMA, tok.m_token, "Expected ,");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.INT, tok.m_token, "Expected 1");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.RPARA, tok.m_token, "Expected )");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.RPARA, tok.m_token, "Expected )");

			tok = lex.yylex();
			Assert.AreEqual(JsToken.SEMI, tok.m_token, "Expected ;");
		}
	}
}