mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/ApplicationContextTest.cs

   1 //
   2 // ApplicationContextTest.cs
   3 //
   4 // Author:
   5 //   Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) 2006 Novell, Inc. (http://www.novell.com)
   8 //
   9
  10 using System;
  11 using System.ComponentModel;
  12 using System.Windows.Forms;
  13 using System.Drawing;
  14 using System.Reflection;
  15 using NUnit.Framework;
  16 using CategoryAttribute=NUnit.Framework.CategoryAttribute;
  17
  18 namespace MonoTests.System.Windows.Forms
  19 {
  20         class MyForm : Form
  21         {
  22                 public void DoDestroyHandle ()
  23                 {
  24                         DestroyHandle();
  25                 }
  26         }
  27
  28
  29         [TestFixture]
  30         public class ApplicationContextTest : TestHelper
  31         {
  32                 ApplicationContext ctx;
  33                 int thread_exit_count;
  34                 bool reached_form_handle_destroyed;
  35
  36                 void thread_exit (object sender, EventArgs e)
  37                 {
  38                         thread_exit_count++;
  39                 }
  40
  41                 void form_handle_destroyed (object sender, EventArgs e)
  42                 {
  43                         Assert.AreEqual (0, thread_exit_count, "1");
  44                         Assert.AreEqual (sender, ctx.MainForm, "2");
  45                         reached_form_handle_destroyed = true;
  46                 }
  47
  48                 void form_handle_destroyed2 (object sender, EventArgs e)
  49                 {
  50                         Assert.AreEqual (1, thread_exit_count, "1");
  51                         Assert.AreEqual (sender, ctx.MainForm, "2");
  52                         reached_form_handle_destroyed = true;
  53                 }
  54
  55                 [Test]
  56                 public void TestEventOrdering ()
  57                 {
  58                         thread_exit_count = 0;
  59                         reached_form_handle_destroyed = false;
  60
  61                         MyForm f1 = new MyForm ();
  62                         f1.ShowInTaskbar = false;
  63                         f1.HandleDestroyed += new EventHandler (form_handle_destroyed);
  64
  65                         ctx = new ApplicationContext (f1);
  66                         ctx.ThreadExit += new EventHandler (thread_exit);
  67
  68                         f1.Show ();
  69                         f1.DoDestroyHandle ();
  70
  71                         Assert.AreEqual (true, reached_form_handle_destroyed, "3");
  72                         Assert.AreEqual (1, thread_exit_count, "4");
  73
  74                         f1.Dispose ();
  75                 }
  76
  77                 [Test]
  78                 public void TestEventOrdering2 ()
  79                 {
  80                         thread_exit_count = 0;
  81                         reached_form_handle_destroyed = false;
  82
  83                         MyForm f1 = new MyForm ();
  84                         f1.ShowInTaskbar = false;
  85
  86                         ctx = new ApplicationContext (f1);
  87                         ctx.ThreadExit += new EventHandler (thread_exit);
  88
  89                         f1.HandleDestroyed += new EventHandler (form_handle_destroyed2);
  90
  91                         f1.Show ();
  92                         f1.DoDestroyHandle ();
  93                         Assert.AreEqual (true, reached_form_handle_destroyed, "3");
  94                         Assert.AreEqual (1, thread_exit_count, "4");
  95
  96                         f1.Dispose ();
  97                 }
  98
  99                 [Test]
 100                 public void ThreadExitTest ()
 101                 {
 102                         thread_exit_count = 0;
 103
 104                         MyForm f1 = new MyForm ();
 105                         f1.ShowInTaskbar = false;
 106                         ctx = new ApplicationContext (f1);
 107                         ctx.ThreadExit += new EventHandler (thread_exit);
 108
 109                         Assert.AreEqual (f1, ctx.MainForm, "1");
 110                         f1.ShowInTaskbar = false;
 111                         f1.Show ();
 112                         f1.Dispose ();
 113                         Assert.AreEqual (f1, ctx.MainForm, "2");
 114                         Assert.AreEqual (1, thread_exit_count, "3");
 115
 116                         f1 = new MyForm ();
 117                         ctx = new ApplicationContext (f1);
 118                         ctx.ThreadExit += new EventHandler (thread_exit);
 119                         f1.ShowInTaskbar = false;
 120                         f1.Show ();
 121                         f1.DoDestroyHandle ();
 122                         Assert.AreEqual (f1, ctx.MainForm, "4");
 123                         Assert.AreEqual (2, thread_exit_count, "5");
 124                         f1.Dispose ();
 125                 }
 126
 127                 [Test]
 128                 [Category ("NotWorking")]
 129                 [ExpectedException (typeof (InvalidOperationException))]
 130                 public void NestedApplicationContextTest ()
 131                 {
 132                         using (NestedForm frm = new NestedForm ()) {
 133                                 Application.Run (frm);
 134                         }
 135                 }
 136
 137                 private class NestedForm : Form
 138                 {
 139                         static int counter = 1;
 140                         protected override void OnVisibleChanged (EventArgs e)
 141                         {
 142                                 base.OnVisibleChanged (e);
 143
 144                                 Text = counter.ToString ();
 145
 146                                 if (counter <= 3) {
 147                                         counter++;
 148                                         Application.Run (new NestedForm ());
 149                                 }
 150                                 Close ();
 151                         }
 152                 }
 153         }
 154 }