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Add one more generator test for enum values
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@Sergio0694
Sergio0694 committed May 4, 2023
1 parent 3742195 commit 40c82ce
Showing 1 changed file with 155 additions and 0 deletions.
155 changes: 155 additions & 0 deletions tests/CommunityToolkit.Mvvm.SourceGenerators.UnitTests/Test_SourceGeneratorsCodegen.cs
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Expand Up @@ -1400,6 +1400,161 @@ partial class MyViewModel
VerifyGenerateSources(source, new[] { new ObservablePropertyGenerator() }, ("MyApp.MyViewModel.g.cs", result));
}

[TestMethod]
public void ObservablePropertyWithForwardedAttributesWithEnumWithCombinedValues_WorksCorrectly()
{
string source = """
using System.ComponentModel;
using CommunityToolkit.Mvvm.ComponentModel;

#nullable enable

namespace MyApp;

partial class MyViewModel : ObservableObject
{
[ObservableProperty]
[property: DefaultValue(NegativeEnum1.A)]
[property: DefaultValue(NegativeEnum1.B)]
[property: DefaultValue((NegativeEnum1)42)]
[property: DefaultValue((NegativeEnum1)OtherClass.MyNumber)]
[property: DefaultValue(OtherClass.MyEnumValue)]
[property: DefaultValue(NegativeEnum2.A)]
[property: DefaultValue(NegativeEnum2.B)]
[property: DefaultValue((NegativeEnum2)42)]
[property: DefaultValue((NegativeEnum2)OtherClass.MyNumber)]
[property: DefaultValue((NegativeEnum2)(int)OtherClass.MyEnumValue)]
[property: DefaultValue(NegativeEnum3.A)]
[property: DefaultValue(NegativeEnum3.B)]
[property: DefaultValue((NegativeEnum3)42)]
[property: DefaultValue((NegativeEnum3)OtherClass.MyNumber)]
[property: DefaultValue((NegativeEnum3)(int)OtherClass.MyEnumValue)]
[property: DefaultValue(NegativeEnum4.A)]
[property: DefaultValue(NegativeEnum4.B)]
[property: DefaultValue((NegativeEnum4)42)]
[property: DefaultValue((NegativeEnum4)unchecked((sbyte)OtherClass.MyNumber))]
[property: DefaultValue((NegativeEnum4)(int)OtherClass.MyEnumValue)]
private object? a;
}

public static class OtherClass
{
public const int MyNumber = 456;
public const NegativeEnum1 MyEnumValue = NegativeEnum1.C;
}

public class DefaultValueAttribute : Attribute
{
public DefaultValueAttribute(object value)
{
}
}

public enum NegativeEnum1
{
A = 0,
B = -1073741824,
C = 123
}

public enum NegativeEnum2 : long
{
A = 0,
B = long.MinValue
}

public enum NegativeEnum3 : short
{
A = 1,
B = -1234
}

public enum NegativeEnum4 : sbyte
{
A = 1,
B = -1
}
""";

string result = """
// <auto-generated/>
#pragma warning disable
#nullable enable
namespace MyApp
{
/// <inheritdoc/>
partial class MyViewModel
{
/// <inheritdoc cref="a"/>
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
[global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum1)0)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum1)-1073741824)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum1)42)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum1)456)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum1)123)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum2)0)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum2)-9223372036854775808)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum2)42)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum2)456)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum2)123)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum3)1)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum3)-1234)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum3)42)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum3)456)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum3)123)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum4)1)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum4)-1)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum4)42)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum4)-56)]
[global::MyApp.DefaultValueAttribute((global::MyApp.NegativeEnum4)123)]
public object? A
{
get => a;
set
{
if (!global::System.Collections.Generic.EqualityComparer<object?>.Default.Equals(a, value))
{
OnAChanging(value);
OnAChanging(default, value);
OnPropertyChanging(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangingArgs.A);
a = value;
OnAChanged(value);
OnAChanged(default, value);
OnPropertyChanged(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangedArgs.A);
}
}
}

/// <summary>Executes the logic for when <see cref="A"/> is changing.</summary>
/// <param name="value">The new property value being set.</param>
/// <remarks>This method is invoked right before the value of <see cref="A"/> is changed.</remarks>
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
partial void OnAChanging(object? value);
/// <summary>Executes the logic for when <see cref="A"/> is changing.</summary>
/// <param name="oldValue">The previous property value that is being replaced.</param>
/// <param name="newValue">The new property value being set.</param>
/// <remarks>This method is invoked right before the value of <see cref="A"/> is changed.</remarks>
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
partial void OnAChanging(object? oldValue, object? newValue);
/// <summary>Executes the logic for when <see cref="A"/> just changed.</summary>
/// <param name="value">The new property value that was set.</param>
/// <remarks>This method is invoked right after the value of <see cref="A"/> is changed.</remarks>
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
partial void OnAChanged(object? value);
/// <summary>Executes the logic for when <see cref="A"/> just changed.</summary>
/// <param name="oldValue">The previous property value that was replaced.</param>
/// <param name="newValue">The new property value that was set.</param>
/// <remarks>This method is invoked right after the value of <see cref="A"/> is changed.</remarks>
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", "8.2.0.0")]
partial void OnAChanged(object? oldValue, object? newValue);
}
}
""";

VerifyGenerateSources(source, new[] { new ObservablePropertyGenerator() }, ("MyApp.MyViewModel.g.cs", result));
}

// See https://github.com/CommunityToolkit/dotnet/issues/632
[TestMethod]
public void RelayCommandMethodWithPartialDeclarations_TriggersCorrectly()
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