private void AssertDependency(string code)
{
var(assembly, diagnostics) = RAssert.Compile(code);
var type = assembly.GetTypes().Single(x => x.Name == "TestClass");
var givenNamesProperty = type.GetProperty("GivenNames");
var familyNameProperty = type.GetProperty("FamilyName");
var instance = (INotifyPropertyChanged)Activator.CreateInstance(type);
var count = 0;
instance.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == "FullName")
{
count++;
}
};
givenNamesProperty.SetValue(instance, "Cameron");
familyNameProperty.SetValue(instance, "MacFarland");
Assert.Equal(2, count);
}
public void MultipleClasses()
{
var code = @"using System.ComponentModel;
public class PropertyChangedBase : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(string name) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
}
public class ExampleClass : PropertyChangedBase
{
public CustomStruct Custom { get; set; }
}
public struct CustomStruct
{
public CustomStruct(int value)
{
Value = value;
}
public int Value { get; }
public override bool Equals(object obj) => Value.Equals(obj);
public override int GetHashCode() => Value.GetHashCode();
}
";
RAssert.Compile(code);
}
public void WrongHelperType()
{
var code = @"using System.ComponentModel;
public class TestClass : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(object name) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name.ToString()));
public int Property { get; set; }
}
";
RAssert.PropertyChangedNotFired(code, 1);
}
#pragma warning disable xUnit1026 // Theory methods should use all of their parameters
public void SingleClass_ComplexTypes <T>(string type, T value1, T value2)
#pragma warning restore xUnit1026 // Theory methods should use all of their parameters
{
var code = $@"using System.ComponentModel;
using Conan.Plugin.PropertyChanged.Tests;
public class TestClass : INotifyPropertyChanged
{{
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(string name) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
public {type} Property {{ get; set; }}
}}";
RAssert.PropertyChangedFired(code, value1);
}
#pragma warning disable xUnit1026 // Theory methods should use all of their parameters
public void BeforeAfterHelper <T>(string type, T value1, T value2)
#pragma warning restore xUnit1026 // Theory methods should use all of their parameters
{
var code = $@"using System.ComponentModel;
using Conan.Plugin.PropertyChanged.Tests;
public class TestClass : INotifyPropertyChanged
{{
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(string name, object before, object after) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
public {type} Property {{ get; set; }}
}}";
RAssert.ChangeGuardDoesDetectChange(code, value1, value2);
}
public void NormalPropertyNotConverted()
{
var code = @"using System.ComponentModel;
public class TestClass : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(string name) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
private int _property;
public int Property { get => _property; set => _property = value; }
}
";
RAssert.PropertyChangedNotFired(code, 1);
}
public void MissingHelper()
{
var code = @"using System.ComponentModel;
public class TestClass : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
public int Property { get; set; }
}
";
var(assembly, diagnostics) = RAssert.Compile(code);
Assert.Single(diagnostics);
Assert.Equal("PC0001", diagnostics[0].Id);
}
public void WrongHelperType()
{
var code = @"using System.ComponentModel;
public class TestClass : INotifyPropertyChanged
{
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(object name) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name.ToString()));
public int Property { get; set; }
}
";
var(assembly, diagnostics) = RAssert.Compile(code);
Assert.Single(diagnostics);
Assert.Equal("PC0002", diagnostics[0].Id);
}