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using System;
namespace Mono.Linker.Tests.Cases.Expectations.Metadata {
/// <summary>
/// Used to define arguments to pass to the linker.
///
/// Don't use this attribute to setup single character flags. These flags do a poor job of communicating their purpose
/// and although we need to continue to support the usages that exist today, that doesn't mean we need to make our tests harder to read
/// </summary>
[AttributeUsage (AttributeTargets.Class, AllowMultiple = true)]
public class SetupLinkerArgumentAttribute : BaseMetadataAttribute {
public SetupLinkerArgumentAttribute (string flag, params string [] values)
{
if (string.IsNullOrEmpty (flag))
throw new ArgumentNullException (nameof (flag));
if (flag[0] == '-' && flag.Length == 2) {
string errorMessage = "Flag `" + flag + "` is short.";
errorMessage += " Avoid using this attribute with command line flags that are to short to communicate their meaning. Support a more descriptive flag or create a new attribute for tests to use similar to " + nameof (SetupLinkerCoreActionAttribute);
throw new ArgumentException (errorMessage);
}
}
}
}
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