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