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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.
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Drawing;
namespace System.Windows.Forms.Tests;
// NB: doesn't require thread affinity
public class ListViewSubItemConverterTests
{
public static TheoryData<Type, bool> CanConvertFromData =>
CommonTestHelper.GetConvertFromTheoryData();
[Theory]
[MemberData(nameof(CanConvertFromData))]
[InlineData(typeof(ListViewItem.ListViewSubItem), false)]
[InlineData(typeof(string), false)]
public void ListViewSubItemConverter_CanConvertFrom_Invoke_ReturnsExpected(Type sourceType, bool expected)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Equal(expected, converter.CanConvertFrom(sourceType));
}
[Theory]
[InlineData("value")]
[InlineData(1)]
[InlineData(null)]
public void ListViewSubItemConverter_ConvertFrom_InvalidValue_ThrowsNotSupportedException(object value)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Throws<NotSupportedException>(() => converter.ConvertFrom(value));
}
[Theory]
[InlineData(typeof(string), true)]
[InlineData(typeof(InstanceDescriptor), true)]
[InlineData(typeof(ListViewItem.ListViewSubItem), false)]
[InlineData(typeof(int), false)]
[InlineData(null, false)]
public void ListViewSubItemConverter_CanConvertTo_Invoke_ReturnsExpected(Type destinationType, bool expected)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Equal(expected, converter.CanConvertTo(destinationType));
}
public static IEnumerable<object[]> ConvertTo_InstanceDescriptor_TestData()
{
ListViewItem item = new();
yield return new object[]
{
new ListViewItem.ListViewSubItem(item, "text"),
new Type[] { typeof(ListViewItem), typeof(string) },
new object[] { null, "text" }
};
yield return new object[]
{
new ListViewItem.ListViewSubItem(null, "text", Color.Red, Color.Blue, SystemFonts.MenuFont),
new Type[] { typeof(ListViewItem), typeof(string), typeof(Color), typeof(Color), typeof(Font) },
new object[] { null, "text", Color.Red, Color.Blue, SystemFonts.MenuFont }
};
}
[Theory]
[MemberData(nameof(ConvertTo_InstanceDescriptor_TestData))]
public void ListViewSubItemConverter_ConvertTo_InstanceDescriptor_ReturnsExpected(ListViewItem.ListViewSubItem value, Type[] parameterTypes, object[] arguments)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
InstanceDescriptor descriptor = Assert.IsType<InstanceDescriptor>(converter.ConvertTo(value, typeof(InstanceDescriptor)));
Assert.Equal(typeof(ListViewItem.ListViewSubItem).GetConstructor(parameterTypes), descriptor.MemberInfo);
Assert.Equal(arguments, descriptor.Arguments);
}
[Theory]
[InlineData(null, "")]
[InlineData(1, "1")]
public void ListViewSubItemConverter_ConvertTo_String_ReturnsExpected(object value, string expected)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Equal(expected, converter.ConvertTo(value, typeof(string)));
}
[Fact]
public void ListViewSubItemConverter_ConvertTo_NullDestinationType_ThrowsArgumentNullException()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Throws<ArgumentNullException>("destinationType", () => converter.ConvertTo(new object(), null));
}
[Fact]
public void ListViewSubItemConverter_ConvertTo_ValueNotThrowsNotSupportedException()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Throws<NotSupportedException>(() => converter.ConvertTo(1, typeof(InstanceDescriptor)));
}
[Theory]
[InlineData(typeof(ListViewItem.ListViewSubItem))]
[InlineData(typeof(int))]
public void ListViewSubItemConverter_ConvertTo_InvalidDestinationType_ThrowsNotSupportedException(Type destinationType)
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Throws<NotSupportedException>(() => converter.ConvertTo(new ListViewItem.ListViewSubItem(), destinationType));
}
[Fact]
public void ListViewSubItemConverter_GetPropertiesSupported_Invoke_ReturnsTrue()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.True(converter.GetPropertiesSupported(null));
}
[Fact]
public void ListViewSubItemConverter_GetProperties_Invoke_ReturnsExpected()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
var item = new ListViewItem.ListViewSubItem();
Assert.Equal(TypeDescriptor.GetProperties(item, null).Count, converter.GetProperties(null, item, null).Count);
}
[Fact]
public void ListViewSubItemConverter_GetStandardValues_Invoke_ReturnsNull()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.Null(converter.GetStandardValues(null));
}
[Fact]
public void ListViewSubItemConverter_GetStandardValuesExclusive_Invoke_ReturnsFalse()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.False(converter.GetStandardValuesExclusive(null));
}
[Fact]
public void ListViewSubItemConverter_GetStandardValuesSupported_Invoke_ReturnsFalse()
{
TypeConverter converter = TypeDescriptor.GetConverter(typeof(ListViewItem.ListViewSubItem));
Assert.False(converter.GetStandardValuesSupported(null));
}
}
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