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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.IO;
using System.Linq;
using NUnit.Framework;
namespace ICSharpCode.NRefactory.CSharp.Parser.Expression
{
[TestFixture]
public class AnonymousMethodExpressionTests
{
AnonymousMethodExpression Parse(string expression)
{
return ParseUtilCSharp.ParseExpression<AnonymousMethodExpression>(expression);
}
[Test]
public void AnonymousMethodWithoutParameterList()
{
AnonymousMethodExpression ame = Parse("delegate {}");
Assert.AreEqual(0, ame.Parameters.Count());
Assert.AreEqual(0, ame.Body.Statements.Count());
Assert.IsFalse(ame.IsAsync);
Assert.IsFalse(ame.HasParameterList);
}
[Test]
public void AnonymousMethodAfterCast()
{
CastExpression c = ParseUtilCSharp.ParseExpression<CastExpression>("(ThreadStart)delegate {}");
AnonymousMethodExpression ame = (AnonymousMethodExpression)c.Expression;
Assert.AreEqual(0, ame.Parameters.Count());
Assert.AreEqual(0, ame.Body.Statements.Count());
}
[Test]
public void EmptyAnonymousMethod()
{
AnonymousMethodExpression ame = Parse("delegate() {}");
Assert.AreEqual(0, ame.Parameters.Count());
Assert.AreEqual(0, ame.Body.Statements.Count());
Assert.IsTrue(ame.HasParameterList);
}
[Test]
public void SimpleAnonymousMethod()
{
AnonymousMethodExpression ame = Parse("delegate(int a, int b) { return a + b; }");
Assert.IsTrue(ame.HasParameterList);
Assert.AreEqual(2, ame.Parameters.Count());
Assert.AreEqual(1, ame.Body.Statements.Count());
Assert.IsTrue(ame.Body.Statements.First() is ReturnStatement);
}
[Test]
public void AsyncAnonymousMethod()
{
AnonymousMethodExpression ame = Parse("async delegate {}");
Assert.AreEqual(0, ame.Parameters.Count());
Assert.AreEqual(0, ame.Body.Statements.Count());
Assert.IsTrue(ame.IsAsync);
Assert.IsFalse(ame.HasParameterList);
}
}
}
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