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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.CodeDom;
using System.Collections.Generic;
using ICSharpCode.NRefactory.VB.Ast;
using ICSharpCode.NRefactory.VB.Visitors;
using NUnit.Framework;
namespace ICSharpCode.NRefactory.VB.Tests.Output.CodeDom.Tests
{
[TestFixture]
public class InvocationExpressionsTests
{
[Test]
public void IdentifierOnlyInvocation()
{
// InitializeComponents();
SimpleNameExpression identifier = new SimpleNameExpression("InitializeComponents");
InvocationExpression invocation = new InvocationExpression(identifier, new List<Expression>());
object output = invocation.AcceptVisitor(new CodeDomVisitor(), null);
Assert.IsTrue(output is CodeMethodInvokeExpression);
CodeMethodInvokeExpression mie = (CodeMethodInvokeExpression)output;
Assert.AreEqual("InitializeComponents", mie.Method.MethodName);
Assert.IsTrue(mie.Method.TargetObject is CodeThisReferenceExpression);
}
[Test]
public void MethodOnThisReferenceInvocation()
{
// InitializeComponents();
MemberReferenceExpression field = new MemberReferenceExpression(new ThisReferenceExpression(), "InitializeComponents");
InvocationExpression invocation = new InvocationExpression(field, new List<Expression>());
object output = invocation.AcceptVisitor(new CodeDomVisitor(), null);
Assert.IsTrue(output is CodeMethodInvokeExpression);
CodeMethodInvokeExpression mie = (CodeMethodInvokeExpression)output;
Assert.AreEqual("InitializeComponents", mie.Method.MethodName);
Assert.IsTrue(mie.Method.TargetObject is CodeThisReferenceExpression);
}
[Test]
public void InvocationOfStaticMethod()
{
// System.Drawing.Color.FromArgb();
MemberReferenceExpression field = new MemberReferenceExpression(new SimpleNameExpression("System"), "Drawing");
field = new MemberReferenceExpression(field, "Color");
field = new MemberReferenceExpression(field, "FromArgb");
InvocationExpression invocation = new InvocationExpression(field, new List<Expression>());
object output = invocation.AcceptVisitor(new CodeDomVisitor(), null);
Assert.IsTrue(output is CodeMethodInvokeExpression);
CodeMethodInvokeExpression mie = (CodeMethodInvokeExpression)output;
Assert.AreEqual("FromArgb", mie.Method.MethodName);
Assert.IsTrue(mie.Method.TargetObject is CodeTypeReferenceExpression);
Assert.AreEqual("System.Drawing.Color", (mie.Method.TargetObject as CodeTypeReferenceExpression).Type.BaseType);
}
}
}
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