282 lines
7.7 KiB
C#
282 lines
7.7 KiB
C#
//
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// System.ComponentModel.DisplayNameAttribute test cases
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//
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// Authors:
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// Marek Habersack (grendello@gmail.com)
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// Gert Driesen (drieseng@users.sourceforge.net
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//
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// (c) 2006 Marek Habersack
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//
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#if NET_2_0
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using System;
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using System.ComponentModel;
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using System.Reflection;
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using NUnit.Framework;
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namespace MonoTests.System.ComponentModel
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{
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[DisplayName ()]
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class TestClass1
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{
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[DisplayName ()]
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public string Property1
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{
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get { return String.Empty; }
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}
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[DisplayName ()]
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public string Method1 ()
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{
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return String.Empty;
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}
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}
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[DisplayName ("TestClassTwo")]
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class TestClass2
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{
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[DisplayName ("PropertyTwo")]
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public string Property2
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{
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get { return String.Empty; }
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}
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[DisplayName ("MethodTwo")]
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public string Method2 ()
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{
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return String.Empty;
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}
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}
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[DisplayName (null)]
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class TestClass3
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{
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[DisplayName (null)]
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public string Property3
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{
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get { return String.Empty; }
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}
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[DisplayName (null)]
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public string Method3 ()
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{
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return String.Empty;
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}
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}
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[TestFixture]
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public class DisplayNameAttributeTests
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{
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private TestClass1 tc1;
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private TestClass2 tc2;
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private TestClass3 tc3;
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DisplayNameAttribute GetDisplayNameAttribute (object[] attrs)
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{
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DisplayNameAttribute dn = null;
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foreach (object attr in attrs) {
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dn = attr as DisplayNameAttribute;
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if (dn != null)
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break;
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}
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return dn;
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}
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DisplayNameAttribute GetAttribute (Type type)
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{
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return GetDisplayNameAttribute (type.GetCustomAttributes (false));
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}
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DisplayNameAttribute GetAttribute (Type type, string memberName, MemberTypes expectedType)
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{
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MemberInfo[] mi = type.GetMember (memberName, expectedType, BindingFlags.Instance | BindingFlags.Public);
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return GetDisplayNameAttribute (mi[0].GetCustomAttributes (false));
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}
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[SetUp]
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public void FixtureSetUp ()
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{
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tc1 = new TestClass1 ();
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tc2 = new TestClass2 ();
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tc3 = new TestClass3 ();
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}
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[Test]
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public void Constructor0 ()
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{
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DisplayNameAttribute dn = new DisplayNameAttribute ();
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Assert.IsNotNull (dn.DisplayName, "#1");
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Assert.AreEqual (string.Empty, dn.DisplayName, "#2");
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Assert.IsTrue (dn.IsDefaultAttribute (), "#3");
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}
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[Test]
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public void Constructor1 ()
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{
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DisplayNameAttribute dn = new DisplayNameAttribute (string.Empty);
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Assert.IsNotNull (dn.DisplayName, "#A1");
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Assert.AreEqual (string.Empty, dn.DisplayName, "#A2");
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Assert.IsTrue (dn.IsDefaultAttribute (), "#A3");
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dn = new DisplayNameAttribute (null);
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Assert.IsNull (dn.DisplayName, "#B1");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#B2");
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dn = new DisplayNameAttribute ("category");
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Assert.IsNotNull (dn.DisplayName, "#C1");
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Assert.AreEqual ("category", dn.DisplayName, "#C2");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#C3");
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}
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[Test]
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public void Default ()
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{
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DisplayNameAttribute dn = DisplayNameAttribute.Default;
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Assert.IsNotNull (dn.DisplayName, "#1");
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Assert.AreEqual (string.Empty, dn.DisplayName, "#2");
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Assert.IsTrue (dn.IsDefaultAttribute (), "#3");
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}
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[Test]
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public void Equals ()
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{
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DisplayNameAttribute dn = new DisplayNameAttribute ();
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Assert.IsTrue (dn.Equals (DisplayNameAttribute.Default), "#A1");
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Assert.IsTrue (dn.Equals (new DisplayNameAttribute (string.Empty)), "#A2");
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Assert.IsFalse (dn.Equals (new DisplayNameAttribute ("category")), "#A3");
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Assert.IsFalse (dn.Equals (new DisplayNameAttribute (null)), "#A4");
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Assert.IsFalse (dn.Equals (null), "#A5");
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Assert.IsTrue (dn.Equals (dn), "#A6");
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Assert.IsFalse (dn.Equals (55), "#A7");
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dn = new DisplayNameAttribute ("category");
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Assert.IsFalse (dn.Equals (DisplayNameAttribute.Default), "#B1");
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Assert.IsFalse (dn.Equals (new DisplayNameAttribute (string.Empty)), "#B2");
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Assert.IsTrue (dn.Equals (new DisplayNameAttribute ("category")), "#B3");
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Assert.IsFalse (dn.Equals (new DisplayNameAttribute (null)), "#B4");
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Assert.IsFalse (dn.Equals (null), "#B5");
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Assert.IsTrue (dn.Equals (dn), "#B6");
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Assert.IsFalse (dn.Equals (55), "#B7");
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}
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[Test]
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public void GetHashCodeTest ()
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{
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DisplayNameAttribute dn = new DisplayNameAttribute ();
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Assert.AreEqual (string.Empty.GetHashCode (), dn.GetHashCode (), "#A1");
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dn = new DisplayNameAttribute ("A");
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Assert.AreEqual ("A".GetHashCode (), dn.GetHashCode (), "#A2");
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// https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=288534
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dn = new DisplayNameAttribute (null);
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try {
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dn.GetHashCode ();
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Assert.Fail ("#B1");
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} catch (NullReferenceException) {
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}
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}
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[Test]
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public void TestEmptyName ()
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{
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Type tc1t = tc1.GetType ();
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DisplayNameAttribute dn = GetAttribute (tc1t);
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Assert.IsNotNull (dn, "#1_1");
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Assert.IsFalse (dn.DisplayName == null, "#1_2");
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Assert.AreEqual (dn.DisplayName, "", "#1_3");
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dn = GetAttribute (tc1t, "Property1", MemberTypes.Property);
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Assert.IsNotNull (dn, "#2_1");
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Assert.IsFalse (dn.DisplayName == null, "#2_2");
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Assert.AreEqual (dn.DisplayName, "", "#2_3");
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dn = GetAttribute (tc1t, "Method1", MemberTypes.Method);
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Assert.IsNotNull (dn, "#3_1");
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Assert.IsFalse (dn.DisplayName == null, "#3_2");
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Assert.AreEqual (dn.DisplayName, "", "#3_3");
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}
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[Test]
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public void TestNonEmptyName ()
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{
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Type tc2t = tc2.GetType ();
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DisplayNameAttribute dn = GetAttribute (tc2t);
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Assert.IsNotNull (dn, "#1_1");
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Assert.IsFalse (dn.DisplayName == null, "#1_2");
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Assert.AreEqual (dn.DisplayName, "TestClassTwo", "#1_3");
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dn = GetAttribute (tc2t, "Property2", MemberTypes.Property);
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Assert.IsNotNull (dn, "#2_1");
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Assert.IsFalse (dn.DisplayName == null, "#2_2");
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Assert.AreEqual (dn.DisplayName, "PropertyTwo", "#2_3");
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dn = GetAttribute (tc2t, "Method2", MemberTypes.Method);
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Assert.IsNotNull (dn, "#3_1");
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Assert.IsFalse (dn.DisplayName == null, "#3_2");
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Assert.AreEqual (dn.DisplayName, "MethodTwo", "#3_3");
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}
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[Test]
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public void TestNullName ()
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{
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Type tc3t = tc3.GetType ();
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DisplayNameAttribute dn = GetAttribute (tc3t);
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Assert.IsNotNull (dn, "#1_1");
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Assert.IsNull (dn.DisplayName, "#1_2");
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dn = GetAttribute (tc3t, "Property3", MemberTypes.Property);
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Assert.IsNotNull (dn, "#2_1");
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Assert.IsNull (dn.DisplayName, "#2_2");
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dn = GetAttribute (tc3t, "Method3", MemberTypes.Method);
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Assert.IsNotNull (dn, "#3_1");
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Assert.IsNull (dn.DisplayName, "#3_2");
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}
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[Test]
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public void TestDefaultAttribute ()
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{
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Type tc1t = tc1.GetType ();
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DisplayNameAttribute dn = GetAttribute (tc1t);
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Assert.IsNotNull (dn, "#1_1");
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Assert.IsTrue (dn.IsDefaultAttribute (), "#1_2");
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dn = GetAttribute (tc1t, "Property1", MemberTypes.Property);
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Assert.IsNotNull (dn, "#1_3");
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Assert.IsTrue (dn.IsDefaultAttribute (), "#1_4");
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dn = GetAttribute (tc1t, "Method1", MemberTypes.Method);
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Assert.IsNotNull (dn, "#1_5");
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Assert.IsTrue (dn.IsDefaultAttribute (), "#1_6");
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Type tc2t = tc2.GetType ();
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dn = GetAttribute (tc2t);
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Assert.IsNotNull (dn, "#2_1");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#2_2");
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dn = GetAttribute (tc2t, "Property2", MemberTypes.Property);
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Assert.IsNotNull (dn, "#2_3");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#2_4");
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dn = GetAttribute (tc2t, "Method2", MemberTypes.Method);
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Assert.IsNotNull (dn, "#2_5");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#2_6");
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Type tc3t = tc3.GetType ();
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dn = GetAttribute (tc3t);
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Assert.IsNotNull (dn, "#3_1");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#3_2");
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dn = GetAttribute (tc3t, "Property3", MemberTypes.Property);
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Assert.IsNotNull (dn, "#3_3");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#3_4");
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dn = GetAttribute (tc3t, "Method3", MemberTypes.Method);
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Assert.IsNotNull (dn, "#3_5");
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Assert.IsFalse (dn.IsDefaultAttribute (), "#3_6");
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}
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}
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}
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#endif
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