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
  31 using System;
  32 using System.Security;
  33 using System.Threading;
  34
  35 using NUnit.Framework;
  36
  37 namespace MonoTests.System.Threading {
  38
  39         [TestFixture]
  40         public class ExecutionContextTest {
  41
  42                 static bool success;
  43
  44                 static void Callback (object o)
  45                 {
  46                         success = (bool)o;
  47                 }
  48
  49                 public class CallContextValue : ILogicalThreadAffinative {
  50                         public object Value { get; set; }
  51
  52                         public CallContextValue (object value)
  53                         {
  54                                 this.Value = value;
  55                         }
  56                 }
  57
  58                 [SetUp]
  59                 public void SetUp ()
  60                 {
  61                         success = false;
  62                 }
  63
  64                 [TearDown]
  65                 public void TearDown ()
  66                 {
  67                         if (ExecutionContext.IsFlowSuppressed ())
  68                                 ExecutionContext.RestoreFlow ();
  69
  70                         CallContext.FreeNamedDataSlot ("testlc");
  71                 }
  72
  73                 [Test]
  74                 [Category("MobileNotWorking")]
  75                 public void LogicalGetData_SetData()
  76                 {
  77                         var value = "a";
  78
  79                         CallContext.SetData ("testlc", value);
  80                         var capturedValue = CallContext.LogicalGetData ("testlc");
  81
  82                         Assert.IsNull (capturedValue);
  83                 }
  84
  85                 [Test]
  86                 [Category("MobileNotWorking")]
  87                 public void LogicalGetData_SetDataLogicalThreadAffinative()
  88                 {
  89                         var value = new CallContextValue ("a");
  90
  91                         CallContext.SetData ("testlc", value);
  92                         var capturedValue = CallContext.LogicalGetData ("testlc");
  93
  94                         Assert.AreEqual (value, capturedValue);
  95                 }
  96
  97                 [Test]
  98                 [Category("MobileNotWorking")]
  99                 public void GetData_SetLogicalData()
 100                 {
 101                         var value = "a";
 102
 103                         CallContext.LogicalSetData ("testlc", value);
 104                         var capturedValue = CallContext.GetData ("testlc");
 105
 106                         Assert.AreEqual (value, capturedValue);
 107                 }
 108
 109                 [Test]
 110                 [Category("MobileNotWorking")]
 111                 public void CaptureLogicalCallContext()
 112                 {
 113                         var value = "Tester";
 114                         object capturedValue = null;
 115
 116                         CallContext.LogicalSetData ("testlc", value);
 117
 118                         ExecutionContext ec = ExecutionContext.Capture ();
 119                         Assert.IsNotNull (ec, "Capture");
 120                         Assert.AreEqual (value, CallContext.LogicalGetData ("testlc"));
 121                         CallContext.LogicalSetData ("testlc", null);
 122
 123                         ExecutionContext.Run (ec, new ContextCallback (new Action<object> ((data) => {
 124                                 capturedValue = CallContext.LogicalGetData ("testlc");
 125                         })), null);
 126
 127                         Assert.AreEqual (value, capturedValue);
 128                         Assert.AreNotEqual (value, CallContext.LogicalGetData ("testlc"));
 129                 }
 130
 131                 [Test]
 132                 [Category ("MobileNotWorking")]
 133                 public void CaptureCallContext ()
 134                 {
 135                         var value = new CallContextValue (true);
 136                         object capturedValue = null;
 137
 138                         CallContext.SetData ("testlc", value);
 139
 140                         ExecutionContext ec = ExecutionContext.Capture ();
 141                         Assert.IsNotNull (ec, "Capture");
 142                         Assert.AreEqual (value, CallContext.GetData ("testlc"));
 143                         CallContext.SetData ("testlc", null);
 144
 145                         ExecutionContext.Run (ec, new ContextCallback (new Action<object> ((data) => {
 146                                 capturedValue = CallContext.GetData ("testlc");
 147                         })), null);
 148
 149                         Assert.AreEqual (value, capturedValue);
 150                         Assert.AreNotEqual (value, CallContext.GetData ("testlc"));
 151                 }
 152
 153                 [Test]
 154                 [Category("MobileNotWorking")]
 155                 public void Capture ()
 156                 {
 157                         ExecutionContext ec = ExecutionContext.Capture ();
 158                         Assert.IsNotNull (ec, "Capture");
 159
 160                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 161                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 162                         try {
 163                                 ec = ExecutionContext.Capture ();
 164                                 Assert.IsNull (ec, "Capture with SuppressFlow");
 165                         }
 166                         finally {
 167                                 afc.Undo ();
 168                         }
 169                 }
 170
 171                 [Test]
 172                 [Category("MobileNotWorking")]
 173                 public void Copy ()
 174                 {
 175                         ExecutionContext ec = ExecutionContext.Capture ();
 176                         Assert.IsNotNull (ec, "Capture");
 177
 178                         ExecutionContext copy = ec.CreateCopy ();
 179                         Assert.IsNotNull (copy, "Copy of Capture");
 180
 181                         Assert.IsFalse (ec.Equals (copy));
 182                         Assert.IsFalse (copy.Equals (ec));
 183                         Assert.IsFalse (Object.ReferenceEquals (ec, copy));
 184
 185                         ExecutionContext copy2nd = copy.CreateCopy ();
 186                         Assert.IsNotNull (copy2nd, "2nd level copy of Capture");
 187                 }
 188
 189                 [Test]
 190                 [ExpectedException (typeof (InvalidOperationException))]
 191                 // The context might be the result of capture so no exception is thrown
 192                 [Category ("NotWorking")]
 193                 public void Copy_FromThread ()
 194                 {
 195                         ExecutionContext ec = Thread.CurrentThread.ExecutionContext;
 196                         Assert.IsNotNull (ec, "Thread.CurrentThread.ExecutionContext");
 197
 198                         ExecutionContext copy = ec.CreateCopy ();
 199                 }
 200
 201                 [Test]
 202                 [Category("MobileNotWorking")]
 203                 public void IsFlowSuppressed ()
 204                 {
 205                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 206
 207                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 208                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
 209                         afc.Undo ();
 210
 211                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 212                 }
 213
 214                 [Test]
 215                 [ExpectedException (typeof (InvalidOperationException))]
 216                 [Category("MobileNotWorking")]
 217                 public void RestoreFlow_None ()
 218                 {
 219                         ExecutionContext.RestoreFlow ();
 220                 }
 221
 222                 [Test]
 223                 [Category("MobileNotWorking")]
 224                 public void RestoreFlow_SuppressFlow ()
 225                 {
 226                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 227                         ExecutionContext.SuppressFlow ();
 228                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
 229                         ExecutionContext.RestoreFlow ();
 230                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 231                 }
 232
 233                 [Test]
 234                 [Category ("CAS")] // since r60298 the SecurityContext is only captured if the security manager is active
 235                 public void Run () // see bug #78306 for details
 236                 {
 237                         Assert.IsFalse (success, "pre-check");
 238                         ExecutionContext.Run (ExecutionContext.Capture (), new ContextCallback (Callback), true);
 239                         Assert.IsTrue (success, "post-check");
 240                 }
 241
 242                 [Test]
 243                 [ExpectedException (typeof (InvalidOperationException))]
 244                 [Category("MobileNotWorking")]
 245                 public void Run_SuppressFlow ()
 246                 {
 247                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed ());
 248                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 249                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed ());
 250                         try {
 251                                 ExecutionContext.Run (ExecutionContext.Capture (), new ContextCallback (Callback), "Hello world.");
 252                         }
 253                         finally {
 254                                 afc.Undo ();
 255                         }
 256                 }
 257
 258                 [Test]
 259                 [Category("MobileNotWorking")]
 260                 public void SuppressFlow ()
 261                 {
 262                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 263
 264                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 265                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 266                         afc.Undo ();
 267
 268                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-4");
 269                 }
 270
 271                 [Test]
 272                 [ExpectedException (typeof (InvalidOperationException))]
 273                 [Category("MobileNotWorking")]
 274                 public void SuppressFlow_Two_Undo ()
 275                 {
 276                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-1");
 277
 278                         AsyncFlowControl afc = ExecutionContext.SuppressFlow ();
 279                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-2");
 280
 281                         AsyncFlowControl afc2 = ExecutionContext.SuppressFlow ();
 282                         Assert.IsTrue (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-3");
 283                         afc2.Undo ();
 284
 285                         // note: afc2 Undo return to the original (not the previous) state
 286                         Assert.IsFalse (ExecutionContext.IsFlowSuppressed (), "IsFlowSuppressed-4");
 287
 288                         // we can't use the first AsyncFlowControl
 289                         afc.Undo ();
 290                 }
 291         }
 292 }
 293