public static void EqualityTest_NotSizeF()
{
var size = new SizeF(0, 0);
Assert.False(size.Equals(null));
Assert.False(size.Equals(0));
// If SizeF implements IEquatable<SizeF> (e.g in .NET Core), then classes that are implicitly
// convertible to SizeF can potentially be equal.
// See https://github.com/dotnet/runtime/issues/16050.
bool expectsImplicitCastToSizeF = typeof(IEquatable <SizeF>).IsAssignableFrom(size.GetType());
Assert.Equal(expectsImplicitCastToSizeF, size.Equals(new Size(0, 0)));
Assert.False(size.Equals((object)new Size(0, 0))); // No implicit cast
}