public unsafe void AllowNullOnlyNoOp()
{
fixed(int *value = &_value)
{
Pointers.AllowNullOnlyNoOp(value);
var ex = Assert.ThrowsException <NullReferenceException>(() => Pointers.AllowNullOnlyNoOp(null));
Assert.IsTrue(ex.Message.Contains("output", StringComparison.OrdinalIgnoreCase), "Exception message did not apply to output value.");
}
}