mcs/class/corlib/Test/System.Threading/ExecutionContextTest.cs

   1 //
   2 // ExecutionContextTest.cs - NUnit tests for ExecutionContext
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System.Runtime.Remoting.Messaging;
  29
  30 #if NET_2_0
  31
  32 using System;
  33 using System.Security;
  34 using System.Threading;
  35
  36 using NUnit.Framework;
  37
  38 namespace MonoTests.System.Threading {
  39
  40         [TestFixture]
  41         public class ExecutionContextTest {
  42
  43                 static bool success;
  44
  45                 static void Callback (object o)
  46                 {
  47                         success = (bool)o;
  48                 }
  49
  50                 public class CallContextValue : ILogicalThreadAffinative {
  51                         public object Value { get; set; }
  52
  53                         public CallContextValue (object value)
  54                         {
  55                                 this.Value = value;
  56                         }
  57                 }
  58
  59                 [SetUp]
  60                 public void SetUp ()
  61                 {
  62                         success = false;
  63                 }
  64
  65                 [TearDown]
  66                 public void TearDown ()
  67                 {
  68                         if (ExecutionContext.IsFlowSuppressed ())
  69                                 ExecutionContext.RestoreFlow ();
  70
  71                         CallContext.FreeNamedDataSlot ("testlc");
  72                 }
  73
  74                 [Test]
  75                 [Category("MobileNotWorking")]
  76                 public void LogicalGetData_SetData()
  77                 {
  78                         var value = "a";
  79
  80                         CallContext.SetData ("testlc", value);
  81                         var capturedValue = CallContext.LogicalGetData ("testlc");
  82
  83                         Assert.IsNull (capturedValue);
  84                 }
  85
  86                 [Test]
  87                 [Category("MobileNotWorking")]
  88                 public void LogicalGetData_SetDataLogicalThreadAffinative()
  89                 {
  90                         var value = new CallContextValue ("a");
  91
  92                         CallContext.SetData ("testlc", value);
  93                         var capturedValue = CallContext.LogicalGetData ("testlc");
  94
  95                         Assert.AreEqual (value, capturedValue);
  96                 }
  97
  98                 [Test]
  99                 [Category("MobileNotWorking")]
 100                 public void GetData_SetLogicalData()
 101                 {
 102                         var value = "a";
 103
 104                         CallContext.LogicalSetData ("testlc", value);
 105                         var capturedValue = CallContext.GetData ("testlc");
 106
 107                         Assert.AreEqual (value, capturedValue);
 108                 }
 109
 110                 [Test]
 111                 [Category("MobileNotWorking")]
 112                 public void CaptureLogicalCallContext()
 113                 {
 114                         var value = "Tester";
 115                         object capturedValue = null;
 116
 117                         CallContext.LogicalSetData ("testlc", value);
 118
 119                         ExecutionContext ec = ExecutionContext.Capture ();
 120                         Assert.IsNotNull (ec, "Capture");
 121                         Assert.AreEqual (value, CallContext.LogicalGetData ("testlc"));
 122                         CallContext.LogicalSetData ("testlc", null);
 123
 124                         ExecutionContext.Run (ec, new ContextCallback (new Action<object> ((data) => {
 125                                 capturedValue = CallContext.LogicalGetData ("testlc");
 126                         })), null);
 127
 128                         Assert.AreEqual (value, capturedValue);
 129                         Assert.AreNotEqual (value, CallContext.LogicalGetData ("testlc"));
 130                 }
 131
 132                 [Test]
 133                 [Category ("MobileNotWorking")]
 134                 public void CaptureCallContext ()
 135                 {
 136                         var value = new CallContextValue (true);
 137                         object capturedValue = null;
 138
 139                         CallContext.SetData ("testlc", value);
 140
 141                         ExecutionContext ec = ExecutionContext.Capture ();
 142                         Assert.IsNotNull (ec, "Capture");
 143                         Assert.AreEqual (value, CallContext.GetData ("testlc"));
 144                         CallContext.SetData ("testlc", null);
 145
 146                         ExecutionContext.Run (ec, new ContextCallback (new Action<object> ((data) => {
 147                                 capturedValue = CallContext.GetData ("testlc");
 148                         })), null);
 149
 150                         Assert.AreEqual (value, capturedValue);
 151                         Assert.AreNotEqual (value, CallContext.GetData ("testlc"));
 152                 }
 153
 154                 [Test]
 155                 [Category("MobileNotWorking")]
 156                 public void Capture ()
 157                 {
 158                         ExecutionContext ec = ExecutionContext.Capture ();
 159                         Assert.IsNotNull (ec, "Capture");
 160
 161                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 162                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 163                         try {
 164                                 ec = ExecutionContext.Capture ();
 165                                 Assert.IsNull (ec, "Capture with SuppressFlow");
 166                         }
 167                         finally {
 168                                 afc.Undo ();
 169                         }
 170                 }
 171
 172                 [Test]
 173                 [Category("MobileNotWorking")]
 174                 public void Copy ()
 175                 {
 176                         ExecutionContext ec = ExecutionContext.Capture ();
 177                         Assert.IsNotNull (ec, "Capture");
 178
 179                         ExecutionContext copy = ec.CreateCopy ();
 180                         Assert.IsNotNull (copy, "Copy of Capture");
 181
 182                         Assert.IsFalse (ec.Equals (copy));
 183                         Assert.IsFalse (copy.Equals (ec));
 184                         Assert.IsFalse (Object.ReferenceEquals (ec, copy));
 185
 186                         ExecutionContext copy2nd = copy.CreateCopy ();
 187                         Assert.IsNotNull (copy2nd, "2nd level copy of Capture");
 188                 }
 189
 190                 [Test]
 191                 [ExpectedException (typeof (InvalidOperationException))]
 192                 // The context might be the result of capture so no exception is thrown
 193                 [Category ("NotWorking")]
 194                 public void Copy_FromThread ()
 195                 {
 196                         ExecutionContext ec = Thread.CurrentThread.ExecutionContext;
 197                         Assert.IsNotNull (ec, "Thread.CurrentThread.ExecutionContext");
 198
 199                         ExecutionContext copy = ec.CreateCopy ();
 200                 }
 201
 202                 [Test]
 203                 [Category("MobileNotWorking")]
 204                 public void IsFlowSuppressed ()
 205                 {
 206                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 207
 208                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 209                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
 210                         afc.Undo ();
 211
 212                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 213                 }
 214
 215                 [Test]
 216                 [ExpectedException (typeof (InvalidOperationException))]
 217                 [Category("MobileNotWorking")]
 218                 public void RestoreFlow_None ()
 219                 {
 220                         ExecutionContext.RestoreFlow ();
 221                 }
 222
 223                 [Test]
 224                 [Category("MobileNotWorking")]
 225                 public void RestoreFlow_SuppressFlow ()
 226                 {
 227                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 228                         ExecutionContext.SuppressFlow ();
 229                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
 230                         ExecutionContext.RestoreFlow ();
 231                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 232                 }
 233
 234                 [Test]
 235                 [Category ("CAS")] // since r60298 the SecurityContext is only captured if the security manager is active
 236                 public void Run () // see bug #78306 for details
 237                 {
 238                         Assert.IsFalse (success, "pre-check");
 239                         ExecutionContext.Run (ExecutionContext.Capture (), new ContextCallback (Callback), true);
 240                         Assert.IsTrue (success, "post-check");
 241                 }
 242
 243                 [Test]
 244                 [ExpectedException (typeof (InvalidOperationException))]
 245                 [Category("MobileNotWorking")]
 246                 public void Run_SuppressFlow ()
 247                 {
 248                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed ());
 249                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 250                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed ());
 251                         try {
 252                                 ExecutionContext.Run (ExecutionContext.Capture (), new ContextCallback (Callback), "Hello world.");
 253                         }
 254                         finally {
 255                                 afc.Undo ();
 256                         }
 257                 }
 258
 259                 [Test]
 260                 [Category("MobileNotWorking")]
 261                 public void SuppressFlow ()
 262                 {
 263                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 264
 265                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 266                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 267                         afc.Undo ();
 268
 269                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-4");
 270                 }
 271
 272                 [Test]
 273                 [ExpectedException (typeof (InvalidOperationException))]
 274                 [Category("MobileNotWorking")]
 275                 public void SuppressFlow_Two_Undo ()
 276                 {
 277                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 278
 279                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 280                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
 281
 282                         AsyncFlowControl afc2 = ExecutionContext.SuppressFlow ();
 283                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 284                         afc2.Undo ();
 285
 286                         // note: afc2 Undo return to the original (not the previous) state
 287                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-4");
 288
 289                         // we can't use the first AsyncFlowControl
 290                         afc.Undo ();
 291                 }
 292         }
 293 }
 294
 295 #endif