/// <summary>
/// Compares two instances of type <see cref="RuntimeInfo"/> and returns a value indicating whether one is less than,
/// equal to, or greater than the other.
/// </summary>
/// <param name="x">The first <see cref="RuntimeInfo"/> to compare.</param>
/// <param name="y">The second <see cref="RuntimeInfo"/> to compare.</param>
/// <returns>A signed integer that indicates the relative values of x and y, as shown in the following table.
/// Value Meaning Less than zero x is less than y.
/// Zero x equals y.
/// Greater than zero x is greater than y.</returns>
public Int32 Compare(RuntimeInfo x, RuntimeInfo y)
{
if (x == null)
{
return(y == null ? 0 : -Compare(y, x));
}
if (y == null)
{
return(1);
}
Int32 tfResult = new FrameworkIdentifiersComparer().Compare(x.Framework, y.Framework);
if (tfResult != 0)
{
if (x.Framework == FrameworkIdentifiers.Unsupported || y.Framework == FrameworkIdentifiers.Unsupported)
{
return(tfResult);
}
if (x.Framework == FrameworkIdentifiers.NETStandard)
{
return(-Compare(y, x));
}
if (y.Framework == FrameworkIdentifiers.NETStandard)
{
return(RuntimesHelper.TryGetStandardVersion(x, out Version x_netStandardVersion) && x_netStandardVersion.IsGreaterThanOrEqual(y.Version) ? 1 : -1);
}
}
return(x.Version.CompareTo(y.Version));
}
void Compare(FrameworkIdentifiers input1, FrameworkIdentifiers input2, Int32 expected)
{
IComparer <FrameworkIdentifiers> comparer = new FrameworkIdentifiersComparer();
Int32 result = default;
Test.IfNot.Action.ThrowsException(() => result = comparer.Compare(input1, input2), out Exception ex);
Test.If.Value.IsEqual(result, expected);
}
