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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.
#nullable disable
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.Editor.UnitTests.ChangeSignature;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.ChangeSignature;
[Trait(Traits.Feature, Traits.Features.ChangeSignature)]
public partial class ChangeSignatureTests : AbstractChangeSignatureTests
{
[Theory]
#pragma warning disable xUnit1019
// There is a bug in xUnit analyzer might generate false alarm, temporary disable it
// https://github.com/xunit/xunit/issues/1968
[MemberData(nameof(AbstractChangeSignatureTests.GetAllSignatureSpecificationsForTheory), new[] { 1, 3, 2, 1 }, MemberType = typeof(AbstractChangeSignatureTests))]
#pragma warning restore xUnit1019
public async Task TestAllSignatureChanges_1This_3Regular_2Default_1Params(int totalParameters, int[] signature)
{
var markup = """
static class Ext
{
/// <summary>
/// This is a summary of <see cref="M(object, int, string, bool, int, string, int[])"/>
/// </summary>
/// <param name="o"></param>
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="p"></param>
static void $$M(this object o, int a, string b, bool c, int x = 0, string y = "Zero", params int[] p)
{
object t = new object();
M(t, 1, "two", true, 3, "four", new[] { 5, 6 });
M(t, 1, "two", true, 3, "four", 5, 6);
t.M(1, "two", true, 3, "four", new[] { 5, 6 });
t.M(1, "two", true, 3, "four", 5, 6);
M(t, 1, "two", true, 3, "four");
M(t, 1, "two", true, 3);
M(t, 1, "two", true);
M(t, 1, "two", c: true);
M(t, 1, "two", true, 3, y: "four");
M(t, 1, "two", true, 3, p: new[] { 5 });
M(t, 1, "two", true, p: new[] { 5 });
M(t, 1, "two", true, y: "four");
M(t, 1, "two", true, x: 3);
M(t, 1, "two", true, y: "four", x: 3);
M(t, 1, y: "four", x: 3, b: "two", c: true);
M(t, y: "four", x: 3, c: true, b: "two", a: 1);
M(t, p: new[] { 5 }, y: "four", x: 3, c: true, b: "two", a: 1);
M(p: new[] { 5 }, y: "four", x: 3, c: true, b: "two", a: 1, o: t);
}
}
""";
await TestChangeSignatureViaCommandAsync(
LanguageNames.CSharp,
markup,
expectedSuccess: true,
updatedSignature: signature,
totalParameters: totalParameters,
verifyNoDiagnostics: true);
}
[Theory]
#pragma warning disable xUnit1019
// There is a bug in xUnit analyzer might generate false alarm, temporary disable it
// https://github.com/xunit/xunit/issues/1968
[MemberData(nameof(AbstractChangeSignatureTests.GetAllSignatureSpecificationsForTheory), new[] { 0, 3, 0, 0 }, MemberType = typeof(AbstractChangeSignatureTests))]
#pragma warning restore xUnit1019
public async Task TestAllSignatureChanges_OnDelegate_3Regular(int totalParameters, int[] signature)
{
var markup = """
using System;
using System.Collections.Generic;
using System.Linq;
/// <summary>
/// This is <see cref="MyDelegate"/>, which has these methods:
/// <see cref="MyDelegate.MyDelegate(object, IntPtr)"/>
/// <see cref="MyDelegate.Invoke(int, string, bool)"/>
/// <see cref="MyDelegate.EndInvoke(IAsyncResult)"/>
/// <see cref="MyDelegate.BeginInvoke(int, string, bool, AsyncCallback, object)"/>
/// </summary>
/// <param name="x">x!</param>
/// <param name="y">y!</param>
/// <param name="z">z!</param>
delegate void $$MyDelegate(int x, string y, bool z);
class C
{
void M()
{
MyDelegate d1 = null;
// Inline updates
d1(1, "Two", true);
d1.Invoke(1, "Two", true);
// d1.BeginInvoke(1, "Two", null, null);
d1.EndInvoke(null);
d1 = delegate (int e, string f, bool g) { var x = e + (g ? f.Length : 0); };
d1 = delegate { };
d1 = (r, s, t) => { var x = r + (t ? s.Length : 0); };
// Cascade through method groups
d1 = Goo1;
d1 = new MyDelegate(Goo2);
Target(Goo3);
Target((m, n, o) => { var x = m + (o ? n.Length : 0); });
d1 = Result();
d1 = Result2().First();
d1 = Result3().First();
// And references to those methods
Goo1(1, "Two", true);
Goo2(1, "Two", true);
Goo2(1, false, false); // shouldn't change
Goo3(1, "Two", true);
Goo4(1, "Two", true);
Goo5(1, "Two", true);
}
private MyDelegate Result() { return Goo4; }
private IEnumerable<MyDelegate> Result2() { yield return Goo5; }
private IEnumerable<MyDelegate> Result3() { yield return (g, h, i) => { var x = g + (i ? h.Length : 0); }; }
void Target(MyDelegate d) { }
void TargetTakesAction(Action<int, string> a) { }
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
void Goo1(int a, string b, bool c) { }
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
void Goo2(int a, string b, bool c) { }
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
void Goo2(int a, object b, bool c) { }
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
void Goo3(int a, string b, bool c) { }
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
void Goo4(int a, string b, bool c) { }
/// <param name="a"></param>
/// <param name="b"></param>
/// <param name="c"></param>
void Goo5(int a, string b, bool c) { }
}
""";
await TestChangeSignatureViaCommandAsync(
LanguageNames.CSharp,
markup,
expectedSuccess: true,
updatedSignature: signature,
totalParameters: totalParameters,
verifyNoDiagnostics: true,
parseOptions: new CSharpParseOptions(LanguageVersion.CSharp7));
}
}
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