#region License
/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#endregion
#region Imports
using System;
using System.Collections;
using NUnit.Framework;
using Spring.Expressions.Processors;
#endregion
namespace Spring.Expressions{
/// <summary>
///
/// </summary>
/// <author>Erich Eichinger</author>
[TestFixture]
public class MethodNodeTests
{
private class MyTestCollectionProcessor : ICollectionProcessor
{
public object Process(ICollection source, object[] args)
{
return source;
}
}
[Test]
public void CallCustomCollectionProcessor()
{
Hashtable vars = new Hashtable();
vars["myCollProc"] = new MyTestCollectionProcessor();
MethodNode mn = new MethodNode();
mn.Text = "myCollProc";
IExpression exp = mn;
int[] input = new int[] {1, 2, 3};
Assert.AreSame(input, exp.GetValue(input, vars));
}
[Test, Explicit]
public void PerformanceOfMethodEvaluationOnDifferentContextTypes()
{
MethodNode mn = new MethodNode();
mn.Text = "ToString";
TypeNode nln = new TypeNode();
nln.Text = "System.Globalization.CultureInfo";
PropertyOrFieldNode pn = new PropertyOrFieldNode();
pn.Text = "InvariantCulture";
Expression exp = new Expression();
exp.addChild(nln);
exp.addChild(pn);
StringLiteralNode sln = new StringLiteralNode();
sln.Text = "dummy";
mn.addChild(sln);
mn.addChild(exp);
IExpression mnExp = mn;
Assert.AreEqual("dummy", mnExp.GetValue(0m, null));
int runs = 10000000;
StopWatch watch = new StopWatch();
using (watch.Start("Duration: {0}"))
{
for (int i = 0; i < runs; i++)
{
mnExp.GetValue(0m, null);
}
}
}
#region StopWatch
private class StopWatch
{
private DateTime _startTime;
private TimeSpan _elapsed;
private class Stopper : IDisposable
{
private readonly StopWatch _owner;
private readonly string _format;
public Stopper(StopWatch owner, string format) { _owner = owner; _format = format; }
public void Dispose() { _owner.Stop(_format); GC.SuppressFinalize(this); }
}
public IDisposable Start(string outputFormat)
{
Stopper stopper = new Stopper(this, outputFormat);
_startTime = DateTime.Now;
return stopper;
}
private void Stop(string outputFormat)
{
_elapsed = DateTime.Now.Subtract(_startTime);
if (outputFormat != null)
{
Console.WriteLine(outputFormat, _elapsed);
}
}
public DateTime StartTime
{
get { return _startTime; }
}
public TimeSpan Elapsed
{
get { return _elapsed; }
}
}
#endregion
}
}
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