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//
// AttributeTest.cs - NUnit Test Cases for the System.Attribute class
//
// author:
// Duco Fijma (duco@lorentz.xs4all.nl)
//
// (C) 2002 Duco Fijma
//
using NUnit.Framework;
using System;
namespace MonoTests.System
{
// Inner namespace for some test helper classes
using MonoTests.System.AttributeTestInternals;
namespace AttributeTestInternals
{
[AttributeUsage(AttributeTargets.Class, AllowMultiple=true, Inherited=false)]
internal class MyCustomAttribute : Attribute {
private string _info;
public MyCustomAttribute (string info)
{
_info = info;
}
public string Info
{
get {
return _info;
}
}
}
[AttributeUsage(AttributeTargets.Class)]
internal class YourCustomAttribute : Attribute {
private int _value;
public YourCustomAttribute (int value)
{
_value = value;
}
public int Value
{
get {
return _value;
}
}
}
[AttributeUsage(AttributeTargets.Class)]
internal class UnusedAttribute : Attribute {
}
[MyCustomAttribute("MyBaseClass"), YourCustomAttribute(37)]
internal class MyClass {
int Value { get { return 42; }}
}
[MyCustomAttribute("MyDerivedClass")]
internal class MyDerivedClass : MyClass {
public void Do () {}
}
} // Namespace MonoTests.System.AttributeTestInternals
public class AttributeTest : TestCase {
public AttributeTest () : base("MonoTests.System.AttributeTest testcase") {}
public AttributeTest (string name) : base(name) {}
public static ITest Suite {
get {
return new TestSuite(typeof(AttributeTest));
}
}
public void TestIsDefined ()
{
AssertEquals ("A1", true, Attribute.IsDefined(typeof(MyDerivedClass), typeof(MyCustomAttribute)));
AssertEquals ("A2", true, Attribute.IsDefined(typeof(MyDerivedClass), typeof(YourCustomAttribute)));
AssertEquals ("A3", false, Attribute.IsDefined(typeof(MyDerivedClass), typeof(UnusedAttribute)));
AssertEquals ("A4", true, Attribute.IsDefined(typeof(MyDerivedClass), typeof(MyCustomAttribute), true));
AssertEquals ("A5", true, Attribute.IsDefined(typeof(MyDerivedClass), typeof(YourCustomAttribute), true));
AssertEquals ("A6", false, Attribute.IsDefined(typeof(MyDerivedClass), typeof(UnusedAttribute), false));
AssertEquals ("A7", true, Attribute.IsDefined(typeof(MyDerivedClass), typeof(MyCustomAttribute), false));
AssertEquals ("A8", false, Attribute.IsDefined(typeof(MyDerivedClass), typeof(YourCustomAttribute), false));
AssertEquals ("A9", false, Attribute.IsDefined(typeof(MyDerivedClass), typeof(UnusedAttribute), false));
}
/*
public static void TestIsDefaultAttribute ()
{
Console.WriteLine(">>>IsDefaultAttribute");
Attribute a = Attribute.GetCustomAttribute(typeof(MyClass), typeof(MyCustomAttribute));
Console.WriteLine (a.IsDefaultAttribute() );
}
private static void WriteAttribute (Attribute a)
{
if (a == null) {
Console.WriteLine ("NULL");
}
else {
Console.WriteLine (a);
}
}
*/
public void TestGetCustomAttribute ()
{
int i = 1;
Type t = typeof(MyDerivedClass);
try {
AssertEquals ("A1", "MyDerivedClass", ((MyCustomAttribute) (Attribute.GetCustomAttribute(typeof(MyDerivedClass), typeof(MyCustomAttribute), false))).Info);
i++;
AssertEquals ("A2", null, ((YourCustomAttribute) (Attribute.GetCustomAttribute(typeof(MyDerivedClass), typeof(YourCustomAttribute), false))));
i++;
AssertEquals ("A3", "MyDerivedClass", ((MyCustomAttribute) (Attribute.GetCustomAttribute(typeof(MyDerivedClass), typeof(MyCustomAttribute)))).Info);
i++;
AssertEquals ("A4", 37, ((YourCustomAttribute) (Attribute.GetCustomAttribute(t, typeof(YourCustomAttribute)))).Value);
} catch (Exception e) {
Fail ("Unexpected exception thrown at i=" + i + " with t=" + t + ". e=" + e);
}
}
/*
public static void WriteAttributes (Attribute[] attrs)
{
Console.WriteLine("length = {0}", attrs.Length);
foreach (Attribute a in attrs) {
WriteAttribute (a);
}
}
private static void TestGetCustomAttributes ()
{
Console.WriteLine(">>>GetCustomAttributes");
WriteAttributes (Attribute.GetCustomAttributes(typeof(MyDerivedClass), typeof(MyCustomAttribute)));
WriteAttributes (Attribute.GetCustomAttributes(typeof(MyDerivedClass), typeof(MyCustomAttribute), true));
WriteAttributes (Attribute.GetCustomAttributes(typeof(MyDerivedClass), typeof(MyCustomAttribute), false));
WriteAttributes (Attribute.GetCustomAttributes(typeof(MyDerivedClass)));
WriteAttributes (Attribute.GetCustomAttributes(typeof(MyDerivedClass), true));
WriteAttributes (Attribute.GetCustomAttributes(typeof(MyDerivedClass), false));
}
*/
}
}
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