public void TestCastToType_IncompatibleCast <TOut, TIn>(Range <TIn> range, TOut unused = default(TOut))
where TIn : IComparable
where TOut : IComparable
{
// ReSharper disable once InvokeAsExtensionMethod
Assert.Throws <InvalidCastException>(() => RangeExtensions.CastToType <TOut, TIn>(range));
}
public void TestCastToType_SameTypeCast <T>(T min, T max) where T : IComparable
{
var range = new Range <T>(min, max);
// ReSharper disable once InvokeAsExtensionMethod
var castRange = RangeExtensions.CastToType <T, T>(range);
Assert.Equal(range.Min, castRange.Min);
Assert.Equal(range.Max, castRange.Max);
Assert.Equal(range.InclusiveMin, castRange.InclusiveMin);
Assert.Equal(range.InclusiveMax, castRange.InclusiveMax);
Assert.Same(range.EqualityComparer, castRange.EqualityComparer);
}
public void TestCastToType <TOut, TIn>(TIn min, TIn max, TOut unused)
where TIn : IComparable
where TOut : IComparable
{
var range = new Range <TIn>(min, max);
// ReSharper disable once InvokeAsExtensionMethod
var castRange = RangeExtensions.CastToType <TOut, TIn>(range);
TOut expectedMin = (TOut)Convert.ChangeType(range.Min, typeof(TOut));
TOut expectedMax = (TOut)Convert.ChangeType(range.Max, typeof(TOut));
Assert.Equal(expectedMin, castRange.Min, castRange.EqualityComparer);
Assert.Equal(expectedMax, castRange.Max, castRange.EqualityComparer);
Assert.Equal(range.InclusiveMin, castRange.InclusiveMin);
Assert.Equal(range.InclusiveMax, castRange.InclusiveMax);
}