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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.RemoveUnnecessaryCast;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Diagnostics;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
using Xunit.Abstractions;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.RemoveUnnecessaryCast
{
public class RemoveUnnecessaryCastTests_FixAllTests : AbstractCSharpDiagnosticProviderBasedUserDiagnosticTest
{
public RemoveUnnecessaryCastTests_FixAllTests(ITestOutputHelper logger)
: base(logger)
{
}
internal override (DiagnosticAnalyzer, CodeFixProvider) CreateDiagnosticProviderAndFixer(Workspace workspace)
=> (new CSharpRemoveUnnecessaryCastDiagnosticAnalyzer(), new CSharpRemoveUnnecessaryCastCodeFixProvider());
#region "Fix all occurrences tests"
[Fact]
[Trait(Traits.Feature, Traits.Features.CodeActionsRemoveUnnecessaryCast)]
[Trait(Traits.Feature, Traits.Features.CodeActionsFixAllOccurrences)]
public async Task TestFixAllInDocument()
{
var input = @"
<Workspace>
<Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
<Document>
class Program
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = {|FixAllInDocument:(int)0|};
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
// cast removal that leads to parenthesis removal
var prog = new Program();
((Program)prog).F();
}
}
</Document>
<Document>
class Program2
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
// cast removal that leads to parenthesis removal
var prog = new Program();
((Program)prog).F();
}
}
</Document>
</Project>
<Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
<Document>
class Program3
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
// cast removal that leads to parenthesis removal
var prog = new Program();
((Program)prog).F();
}
}
</Document>
</Project>
</Workspace>";
var expected = @"
<Workspace>
<Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
<Document>
class Program
{
private char f = 'c';
public void F(int x = 0)
{
// unnecessary casts
int y = 0;
bool z = true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? s1 : (object)s2;
// cast removal that leads to parenthesis removal
var prog = new Program();
prog.F();
}
}
</Document>
<Document>
class Program2
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
// cast removal that leads to parenthesis removal
var prog = new Program();
((Program)prog).F();
}
}
</Document>
</Project>
<Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
<Document>
class Program3
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
// cast removal that leads to parenthesis removal
var prog = new Program();
((Program)prog).F();
}
}
</Document>
</Project>
</Workspace>";
await TestInRegularAndScriptAsync(input, expected);
}
[Fact]
[Trait(Traits.Feature, Traits.Features.CodeActionsRemoveUnnecessaryCast)]
[Trait(Traits.Feature, Traits.Features.CodeActionsFixAllOccurrences)]
public async Task TestFixAllInProject()
{
var input = @"
<Workspace>
<Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
<Document>
class Program
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = {|FixAllInProject:(int)0|};
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
<Document>
class Program2
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
</Project>
<Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
<Document>
class Program3
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
</Project>
</Workspace>";
var expected = @"
<Workspace>
<Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
<Document>
class Program
{
private char f = 'c';
public void F(int x = 0)
{
// unnecessary casts
int y = 0;
bool z = true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? s1 : (object)s2;
}
}
</Document>
<Document>
class Program2
{
private char f = 'c';
public void F(int x = 0)
{
// unnecessary casts
int y = 0;
bool z = true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? s1 : (object)s2;
}
}
</Document>
</Project>
<Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
<Document>
class Program3
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
</Project>
</Workspace>";
await TestInRegularAndScriptAsync(input, expected);
}
[Fact]
[Trait(Traits.Feature, Traits.Features.CodeActionsRemoveUnnecessaryCast)]
[Trait(Traits.Feature, Traits.Features.CodeActionsFixAllOccurrences)]
public async Task TestFixAllInSolution()
{
var input = @"
<Workspace>
<Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
<Document>
class Program
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = {|FixAllInSolution:(int)0|};
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
<Document>
class Program2
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
</Project>
<Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
<Document>
class Program3
{
private char f = (char)'c';
public void F(int x = (int)0)
{
// unnecessary casts
int y = (int)0;
bool z = (bool)true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? (object)s1 : (object)s2;
}
}
</Document>
</Project>
</Workspace>";
var expected = @"
<Workspace>
<Project Language=""C#"" AssemblyName=""Assembly1"" CommonReferences=""true"">
<Document>
class Program
{
private char f = 'c';
public void F(int x = 0)
{
// unnecessary casts
int y = 0;
bool z = true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? s1 : (object)s2;
}
}
</Document>
<Document>
class Program2
{
private char f = 'c';
public void F(int x = 0)
{
// unnecessary casts
int y = 0;
bool z = true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? s1 : (object)s2;
}
}
</Document>
</Project>
<Project Language=""C#"" AssemblyName=""Assembly2"" CommonReferences=""true"">
<Document>
class Program3
{
private char f = 'c';
public void F(int x = 0)
{
// unnecessary casts
int y = 0;
bool z = true;
// required cast
long l = 1;
int y = (int)l;
// required cast after cast removal in same statement
string s1 = null, s2 = null;
var s3 = z ? s1 : (object)s2;
}
}
</Document>
</Project>
</Workspace>";
await TestInRegularAndScriptAsync(input, expected);
}
#endregion
}
}
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