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 NUnit.Framework;

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

		[Test]
		public void SimpleFunctionDefCall()
		{
			string src = "var x = 1;\r\n" + 
				"function plus(a, b)\r\n" + 
				"{\r\n" + 
				"	return a+b;\r\n" + 
				"}\r\n" + 
				"plus(x, 1);";
			Assert.AreEqual("2", Exec(src), "plus()");
		}

		[Test]
		public void SimpleObjectTest()
		{
			string src = "function fn() { this.val = 68; } var x = new fn(); x.val; ";
			Assert.AreEqual("68", Exec(src), "new fn()");
			src = "function fn(a) { this.val = a; } var x = new fn(22); x.val; ";
			Assert.AreEqual("22", Exec(src), "new fn()");
			src = "function fn(a) { this.val = a; this.val2 = a*2; } var x = new fn(5); x.val2; ";
			Assert.AreEqual("10", Exec(src), "new fn()");
		}

		[Test]
		public void NestedTest()
		{
			string src = "function def(a) {if ( a > 0 ) return true; else return false;}";
			JsEngine eng = new JsEngine();
			Exec( src, eng );
			Exec( "var x = 1;", eng );
			Assert.AreEqual("True", Exec("def(x);", eng), "1");
			Exec( "x = 0; ", eng );
			Assert.AreEqual("False", Exec("def(x);", eng), "2");
		}

		[Test]
		public void NestedTest2()
		{
			string src = "function def(a) {if ( a > 0 ) {this.val = true;} else {this.val = false;}}";
			JsEngine eng = new JsEngine();
			Exec( src, eng );
			Assert.AreEqual("True", Exec("var x = new def(1); x.val;", eng), "1");
			Assert.AreEqual("False", Exec("x = new def(0); x.val;", eng), "F");
		}

		private bool ExecHasException( string src )
		{
			try
			{
				Exec( src );
				return false;
			}
			catch ( Exception )
			{
				return true;
			}
		}

		private string Exec( string src )
		{
			JsEngine eng = new JsEngine();
			return Exec( src, eng );
		}

		private string Exec( string src, JsEngine eng )
		{
			JsObject o = eng.Eval( src);
			return o.ToString();
		}
	}
}