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Add unit tests for generated trim annotations
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‎tests/CommunityToolkit.Mvvm.SourceGenerators.UnitTests/Test_SourceGeneratorsCodegen.cs‎

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Original file line numberDiff line numberDiff line change
@@ -2733,6 +2733,291 @@ internal static class __KnownINotifyPropertyChangedArgs
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VerifyGenerateSources(source, new[] { new ObservablePropertyGenerator() }, ("MyApp.MyViewModel.g.cs", result), ("__KnownINotifyPropertyChangingArgs.g.cs", null), ("__KnownINotifyPropertyChangedArgs.g.cs", changedArgs));
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}
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[TestMethod]
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public void ObservableProperty_NotifyDataErrorInfo_EmitsTrimAnnotationsWhenNeeded()
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{
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string source = """
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using System.ComponentModel.DataAnnotations;
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using CommunityToolkit.Mvvm.ComponentModel;
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#nullable enable
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namespace MyApp;
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partial class MyViewModel : ObservableValidator
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{
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[ObservableProperty]
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[NotifyDataErrorInfo]
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[Required]
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private string? name;
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}
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""";
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#if NET6_0_OR_GREATER
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string result = """
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// <auto-generated/>
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#pragma warning disable
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#nullable enable
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namespace MyApp
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{
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/// <inheritdoc/>
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partial class MyViewModel
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{
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/// <inheritdoc cref="name"/>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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[global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
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[global::System.ComponentModel.DataAnnotations.RequiredAttribute()]
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public string? Name
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{
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get => name;
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[global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("The type of the current instance cannot be statically discovered.")]
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set
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{
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if (!global::System.Collections.Generic.EqualityComparer<string?>.Default.Equals(name, value))
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{
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OnNameChanging(value);
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OnNameChanging(default, value);
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OnPropertyChanging(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangingArgs.Name);
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name = value;
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ValidateProperty(value, "Name");
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OnNameChanged(value);
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OnNameChanged(default, value);
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OnPropertyChanged(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangedArgs.Name);
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}
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}
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}
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/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
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/// <param name="value">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanging(string? value);
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/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
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/// <param name="oldValue">The previous property value that is being replaced.</param>
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/// <param name="newValue">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanging(string? oldValue, string? newValue);
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/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
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/// <param name="value">The new property value that was set.</param>
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/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanged(string? value);
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/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
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/// <param name="oldValue">The previous property value that was replaced.</param>
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/// <param name="newValue">The new property value that was set.</param>
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/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanged(string? oldValue, string? newValue);
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}
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}
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""";
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#else
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string result = """
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// <auto-generated/>
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#pragma warning disable
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#nullable enable
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namespace MyApp
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{
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/// <inheritdoc/>
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partial class MyViewModel
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{
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/// <inheritdoc cref="name"/>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
2827+
[global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
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[global::System.ComponentModel.DataAnnotations.RequiredAttribute()]
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public string? Name
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{
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get => name;
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set
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{
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if (!global::System.Collections.Generic.EqualityComparer<string?>.Default.Equals(name, value))
2835+
{
2836+
OnNameChanging(value);
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OnNameChanging(default, value);
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OnPropertyChanging(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangingArgs.Name);
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name = value;
2840+
ValidateProperty(value, "Name");
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OnNameChanged(value);
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OnNameChanged(default, value);
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OnPropertyChanged(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangedArgs.Name);
2844+
}
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}
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}
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/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
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/// <param name="value">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanging(string? value);
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/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
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/// <param name="oldValue">The previous property value that is being replaced.</param>
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/// <param name="newValue">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
2858+
partial void OnNameChanging(string? oldValue, string? newValue);
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/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
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/// <param name="value">The new property value that was set.</param>
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/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanged(string? value);
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/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
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/// <param name="oldValue">The previous property value that was replaced.</param>
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/// <param name="newValue">The new property value that was set.</param>
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/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanged(string? oldValue, string? newValue);
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}
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}
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""";
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#endif
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VerifyGenerateSources(source, new[] { new ObservablePropertyGenerator() }, ("MyApp.MyViewModel.g.cs", result));
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}
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[TestMethod]
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public void ObservableProperty_NotifyDataErrorInfo_EmitsTrimAnnotationsWhenNeeded_AppendToNullableAttribute()
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{
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string source = """
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using System.ComponentModel.DataAnnotations;
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using CommunityToolkit.Mvvm.ComponentModel;
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#nullable enable
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namespace MyApp;
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partial class MyViewModel : ObservableValidator
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{
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[ObservableProperty]
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[NotifyDataErrorInfo]
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[Required]
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private string name;
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}
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""";
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#if NET6_0_OR_GREATER
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string result = """
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// <auto-generated/>
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#pragma warning disable
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#nullable enable
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namespace MyApp
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{
2905+
/// <inheritdoc/>
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partial class MyViewModel
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{
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/// <inheritdoc cref="name"/>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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[global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
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[global::System.ComponentModel.DataAnnotations.RequiredAttribute()]
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public string Name
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{
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get => name;
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[global::System.Diagnostics.CodeAnalysis.MemberNotNull("name")]
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[global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("The type of the current instance cannot be statically discovered.")]
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set
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{
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if (!global::System.Collections.Generic.EqualityComparer<string>.Default.Equals(name, value))
2920+
{
2921+
OnNameChanging(value);
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OnNameChanging(default, value);
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OnPropertyChanging(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangingArgs.Name);
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name = value;
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ValidateProperty(value, "Name");
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OnNameChanged(value);
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OnNameChanged(default, value);
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OnPropertyChanged(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangedArgs.Name);
2929+
}
2930+
}
2931+
}
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/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
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/// <param name="value">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanging(string value);
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/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
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/// <param name="oldValue">The previous property value that is being replaced.</param>
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/// <param name="newValue">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanging(string? oldValue, string newValue);
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/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
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/// <param name="value">The new property value that was set.</param>
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/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanged(string value);
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/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
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/// <param name="oldValue">The previous property value that was replaced.</param>
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/// <param name="newValue">The new property value that was set.</param>
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/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
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[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
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partial void OnNameChanged(string? oldValue, string newValue);
2955+
}
2956+
}
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""";
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#else
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string result = """
2960+
// <auto-generated/>
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#pragma warning disable
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#nullable enable
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namespace MyApp
2964+
{
2965+
/// <inheritdoc/>
2966+
partial class MyViewModel
2967+
{
2968+
/// <inheritdoc cref="name"/>
2969+
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
2970+
[global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
2971+
[global::System.ComponentModel.DataAnnotations.RequiredAttribute()]
2972+
public string Name
2973+
{
2974+
get => name;
2975+
set
2976+
{
2977+
if (!global::System.Collections.Generic.EqualityComparer<string>.Default.Equals(name, value))
2978+
{
2979+
OnNameChanging(value);
2980+
OnNameChanging(default, value);
2981+
OnPropertyChanging(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangingArgs.Name);
2982+
name = value;
2983+
ValidateProperty(value, "Name");
2984+
OnNameChanged(value);
2985+
OnNameChanged(default, value);
2986+
OnPropertyChanged(global::CommunityToolkit.Mvvm.ComponentModel.__Internals.__KnownINotifyPropertyChangedArgs.Name);
2987+
}
2988+
}
2989+
}
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2991+
/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
2992+
/// <param name="value">The new property value being set.</param>
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/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
2994+
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
2995+
partial void OnNameChanging(string value);
2996+
/// <summary>Executes the logic for when <see cref="Name"/> is changing.</summary>
2997+
/// <param name="oldValue">The previous property value that is being replaced.</param>
2998+
/// <param name="newValue">The new property value being set.</param>
2999+
/// <remarks>This method is invoked right before the value of <see cref="Name"/> is changed.</remarks>
3000+
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
3001+
partial void OnNameChanging(string? oldValue, string newValue);
3002+
/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
3003+
/// <param name="value">The new property value that was set.</param>
3004+
/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
3005+
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
3006+
partial void OnNameChanged(string value);
3007+
/// <summary>Executes the logic for when <see cref="Name"/> just changed.</summary>
3008+
/// <param name="oldValue">The previous property value that was replaced.</param>
3009+
/// <param name="newValue">The new property value that was set.</param>
3010+
/// <remarks>This method is invoked right after the value of <see cref="Name"/> is changed.</remarks>
3011+
[global::System.CodeDom.Compiler.GeneratedCode("CommunityToolkit.Mvvm.SourceGenerators.ObservablePropertyGenerator", <ASSEMBLY_VERSION>)]
3012+
partial void OnNameChanged(string? oldValue, string newValue);
3013+
}
3014+
}
3015+
""";
3016+
#endif
3017+
3018+
VerifyGenerateSources(source, new[] { new ObservablePropertyGenerator() }, ("MyApp.MyViewModel.g.cs", result));
3019+
}
3020+
27363021
/// <summary>
27373022
/// Generates the requested sources
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/// </summary>

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