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//
// RedundantCastIssueTests.cs
//
// Author:
// Mansheng Yang <lightyang0@gmail.com>
//
// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.com>
//
// 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 ICSharpCode.NRefactory.CSharp.Refactoring;
using NUnit.Framework;
namespace ICSharpCode.NRefactory.CSharp.CodeIssues
{
[TestFixture]
public class RedundantCastIssueTests : InspectionActionTestBase
{
[Test]
public void TestSameType ()
{
var input = @"
class TestClass
{
void TestMethod ()
{
int i = 0;
var i2 = ((int)i);
}
}";
var output = @"
class TestClass
{
void TestMethod ()
{
int i = 0;
var i2 = i;
}
}";
Test<RedundantCastIssue> (input, 1, output);
}
[Test]
public void TestInvocation ()
{
var input = @"
class TestClass
{
void Test (object obj)
{
}
void TestMethod (object obj)
{
Test ((int)obj);
}
}";
var output = @"
class TestClass
{
void Test (object obj)
{
}
void TestMethod (object obj)
{
Test (obj);
}
}";
Test<RedundantCastIssue> (input, 1, output);
}
[Test]
public void TestLambdaInvocation ()
{
var input = @"
class TestClass
{
void TestMethod (object obj)
{
System.Action<object> a;
a ((int)obj);
}
}";
var output = @"
class TestClass
{
void TestMethod (object obj)
{
System.Action<object> a;
a (obj);
}
}";
Test<RedundantCastIssue> (input, 1, output);
}
[Test]
public void TestMember ()
{
var input = @"
class TestClass
{
void TestMethod (object obj)
{
var str = (obj as TestClass).ToString ();
}
}";
var output = @"
class TestClass
{
void TestMethod (object obj)
{
var str = obj.ToString ();
}
}";
Test<RedundantCastIssue> (input, 1, output);
}
[Test]
public void TestNoIssue ()
{
var input = @"
class TestClass
{
void Test (int k) { }
void TestMethod (object obj)
{
int i = (int)obj + 1;
Test ((long) obj);
(obj as TestClass).Test (0);
}
}";
Test<RedundantCastIssue> (input, 0);
}
/// <summary>
/// Bug 7065 - "remove redundant type cast" false positive for explicit interface implementation
/// </summary>
[Test]
public void TestBug7065 ()
{
var input = @"
using System;
public class TestClass : IDisposable
{
void IDisposable.Dispose()
{
}
void Foo()
{
((IDisposable)this).Dispose();
}
}
";
Test<RedundantCastIssue> (input, 0);
}
}
}
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