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

   1 //\r
   2 // Copyright (c) 2007 Novell, Inc.\r
   3 //\r
   4 // Authors:\r
   5 //      Rolf Bjarne Kvinge  (RKvinge@novell.com)\r
   6 //\r
   7 \r
   8 using System;\r
   9 using System.Drawing;\r
  10 using System.Reflection;\r
  11 using System.Windows.Forms;\r
  12 using System.Threading;\r
  13 using Timer = System.Windows.Forms.Timer;\r
  14 using Sys_Threading=System.Threading;\r
  15 \r
  16 using NUnit.Framework;\r
  17 \r
  18 namespace MonoTests.System.Windows.Forms\r
  19 {\r
  20         [TestFixture]\r
  21         public class TimerTest : TestHelper\r
  22         {\r
  23                 bool Ticked;\r
  24                 \r
  25                 [Test ()]\r
  26                 [ExpectedException (typeof (ArgumentOutOfRangeException))]\r
  27                 public void IntervalException1 ()\r
  28                 {\r
  29                         Timer timer = new Timer ();\r
  30                         timer.Interval = 0;\r
  31                 }\r
  32 \r
  33                 [Test ()]\r
  34                 [ExpectedException (typeof (ArgumentOutOfRangeException))]\r
  35                 public void IntervalException2 ()\r
  36                 {\r
  37                         Timer timer = new Timer ();\r
  38                         timer.Interval = -1;\r
  39                 }\r
  40 \r
  41                 [Test ()]\r
  42                 public void IntervalException3 ()\r
  43                 {\r
  44                         Timer timer = new Timer ();\r
  45                         timer.Interval = int.MaxValue;\r
  46                 }\r
  47 \r
  48                 [Test ()]\r
  49                 [ExpectedException (typeof (ArgumentOutOfRangeException))]\r
  50                 public void IntervalException4 ()\r
  51                 {\r
  52                         Timer timer = new Timer ();\r
  53                         timer.Interval = int.MinValue;\r
  54                 }\r
  55                 \r
  56                 [Test]\r
  57                 [Category ("NotWorking")]\r
  58                 public void StartTest ()\r
  59                 {\r
  60                         // This test fails about 50% of the time on the buildbots.\r
  61                         Ticked = false;\r
  62                         using (Timer timer = new Timer ()) {\r
  63                                 timer.Tick += new EventHandler (TickHandler);\r
  64                                 timer.Start ();\r
  65                                 Sys_Threading.Thread.Sleep (500);\r
  66                                 Application.DoEvents ();\r
  67                                 Assert.AreEqual (true, timer.Enabled, "1");\r
  68                                 Assert.AreEqual (true, Ticked, "2");\r
  69                         }\r
  70                 }\r
  71 \r
  72                 [Test]\r
  73                 public void StopTest ()\r
  74                 {\r
  75                         Ticked = false;\r
  76                         using (Timer timer = new Timer ()) {\r
  77                                 timer.Tick += new EventHandler (TickHandler);\r
  78                                 timer.Interval = 200;\r
  79                                 timer.Start ();\r
  80                                 Assert.AreEqual (true, timer.Enabled, "1");\r
  81                                 Assert.AreEqual (false, Ticked, "2");\r
  82                                 timer.Stop ();\r
  83                                 Assert.AreEqual (false, Ticked, "3"); // This may fail if we are running on a very slow machine...\r
  84                                 Assert.AreEqual (false, timer.Enabled, "4");\r
  85                                 Sys_Threading.Thread.Sleep (500);\r
  86                                 Assert.AreEqual (false, Ticked, "5");\r
  87                         }\r
  88                 }\r
  89                 \r
  90                 [Test]\r
  91                 public void TagTest ()\r
  92                 {\r
  93                         Timer timer = new Timer ();\r
  94                         timer.Tag = "a";\r
  95                         Assert.AreEqual ("a", timer.Tag, "1");\r
  96                 }\r
  97 \r
  98                 /* Application.DoEvents and Sleep are not guarenteed on Linux\r
  99                 [Test]\r
 100                 public void EnabledTest ()\r
 101                 {\r
 102                         Ticked = false;\r
 103                         using (Timer timer = new Timer ()) {\r
 104                                 timer.Tick += new EventHandler (TickHandler);\r
 105                                 timer.Enabled = true;\r
 106                                 Sys_Threading.Thread.Sleep (150);\r
 107                                 Application.DoEvents ();\r
 108                                 Assert.AreEqual (true, timer.Enabled, "1");\r
 109                                 Assert.AreEqual (true, Ticked, "2");\r
 110                         }\r
 111                         \r
 112                         Ticked = false;\r
 113                         using (Timer timer = new Timer ()) {\r
 114                                 timer.Tick += new EventHandler (TickHandler);\r
 115                                 timer.Interval = 1000;\r
 116                                 timer.Enabled = true;\r
 117                                 Assert.AreEqual (true, timer.Enabled, "3");\r
 118                                 Assert.AreEqual (false, Ticked, "4");\r
 119                                 timer.Enabled = false;\r
 120                                 Assert.AreEqual (false, Ticked, "5"); // This may fail if we are running on a very slow machine...\r
 121                                 Assert.AreEqual (false, timer.Enabled, "6");\r
 122                         }\r
 123                 }\r
 124                 */\r
 125 \r
 126                 void TickHandler (object sender, EventArgs e)\r
 127                 {\r
 128                         Ticked = true;\r
 129                 }\r
 130                 \r
 131                 [Test]\r
 132                 public void DefaultProperties ()\r
 133                 {\r
 134                         Timer timer = new Timer ();\r
 135                         Assert.AreEqual (null, timer.Container, "C1");\r
 136                         Assert.AreEqual (false, timer.Enabled, "E1");\r
 137                         Assert.AreEqual (100, timer.Interval, "I1");\r
 138                         Assert.AreEqual (null, timer.Site, "S1");\r
 139                         Assert.AreEqual (null, timer.Tag, "T1");\r
 140                 }\r
 141 \r
 142                 [Test] // bug #325033\r
 143                 public void RunningThread ()\r
 144                 {\r
 145                         Application.Run (new Bug325033Form ());\r
 146                         Application.Run (new Bug325033Form2 ());\r
 147                 }\r
 148 \r
 149                 class Bug325033Form : Form\r
 150                 {\r
 151                         public Bug325033Form ()\r
 152                         {\r
 153                                 Load += new EventHandler (Form_Load);\r
 154                         }\r
 155 \r
 156                         void Form_Load (object sender, EventArgs e)\r
 157                         {\r
 158                                 Thread t = new Thread (new ThreadStart (Run));\r
 159                                 t.IsBackground = true;\r
 160                                 t.Start ();\r
 161                                 t.Join ();\r
 162                                 Close ();\r
 163                         }\r
 164 \r
 165                         void Run ()\r
 166                         {\r
 167                                 Application.Run (new Bug325033Form2 ());\r
 168                         }\r
 169                 }\r
 170 \r
 171                 class Bug325033Form2 : Form\r
 172                 {\r
 173                         public Bug325033Form2 ()\r
 174                         {\r
 175                                 _label = new Label ();\r
 176                                 _label.AutoSize = true;\r
 177                                 _label.Dock = DockStyle.Fill;\r
 178                                 _label.Text = "It should close automatically.";\r
 179                                 Controls.Add (_label);\r
 180                                 _timer = new Timer ();\r
 181                                 _timer.Tick += new EventHandler (Timer_Tick);\r
 182                                 _timer.Interval = 500;\r
 183                                 _timer.Start ();\r
 184                         }\r
 185 \r
 186                         void Timer_Tick (object sender, EventArgs e)\r
 187                         {\r
 188                                 _timer.Stop ();\r
 189                                 Close ();\r
 190                         }\r
 191 \r
 192                         private Label _label;\r
 193                         private Timer _timer;\r
 194                 }\r
 195         }\r
 196 }\r