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BindingTypeConvertersTest.cs
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BindingTypeConvertersTest.cs
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// Copyright (c) 2023 .NET Foundation and Contributors. All rights reserved.
// 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 full license information.
using Xunit;
namespace ReactiveUI.Tests
{
/// <summary>
/// Tests for binding type converters.
/// </summary>
public class BindingTypeConvertersTest
{
/// <summary>
/// Tests that equality type converter do reference cast should convert null nullable values.
/// </summary>
[Fact]
public void EqualityTypeConverterDoReferenceCastShouldConvertNullNullableValues()
{
double? nullDouble = null;
double? expected = null;
var result = EqualityTypeConverter.DoReferenceCast(nullDouble, typeof(double?));
Assert.Equal(expected, result);
}
/// <summary>
/// Tests that equality type converter do reference cast should convert nullable values.
/// </summary>
[Fact]
public void EqualityTypeConverterDoReferenceCastShouldConvertNullableValues()
{
double? doubleValue = 1.0;
double? expected = 1.0;
var result = EqualityTypeConverter.DoReferenceCast(doubleValue, typeof(double?));
Assert.Equal(expected, result);
}
/// <summary>
/// Tests that equality type converter do reference cast should throw when converting from null nullable to value.
/// </summary>
[Fact]
public void EqualityTypeConverterDoReferenceCastShouldThrowWhenConvertingFromNullNullableToValueType()
{
double? nullDouble = null;
Assert.Throws<InvalidCastException>(() => EqualityTypeConverter.DoReferenceCast(nullDouble, typeof(double)));
}
/// <summary>
/// Tests that equality type converter do reference cast nullable to value.
/// </summary>
[Fact]
public void EqualityTypeConverterDoReferenceCastNullableToValueType()
{
double? doubleValue = 1.0;
double? expected = 1.0;
var result = EqualityTypeConverter.DoReferenceCast(doubleValue, typeof(double));
Assert.Equal(expected, result);
}
/// <summary>
/// Tests that equality type converter do reference cast should convert value types.
/// </summary>
[Fact]
public void EqualityTypeConverterDoReferenceCastShouldConvertValueTypes()
{
const double doubleValue = 1.0;
var result = EqualityTypeConverter.DoReferenceCast(doubleValue, typeof(double));
Assert.Equal(doubleValue, result);
}
}
}