class/corlib/Test/System.Diagnostics/StackTraceTest.cs

   1 //
   2 // MonoTests.System.Diagnostics.StackTraceTest.cs
   3 //
   4 // Authors:
   5 //      Alexander Klyubin (klyubin@aqris.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2001
   9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Diagnostics;
  33 using System.Reflection;
  34 using System.Threading;
  35 using NUnit.Framework;
  36
  37 namespace MonoTests.System.Diagnostics {
  38
  39         [TestFixture]
  40         public class StackTraceTest {
  41
  42                 private StackTrace trace;
  43                 private StackFrame frame;
  44
  45                 [SetUp]
  46                 public void SetUp ()
  47                 {
  48                         frame = new StackFrame ("dir/someFile", 13, 45);
  49                         trace = new StackTrace (frame);
  50                 }
  51
  52                 [TearDown]
  53                 public void TearDown ()
  54                 {
  55                         trace = null;
  56                 }
  57
  58                 [Test]
  59                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  60                 public void StackTrace_Int_Negative ()
  61                 {
  62                         new StackTrace (-1);
  63                 }
  64
  65                 [Test]
  66                 [ExpectedException (typeof (ArgumentNullException))]
  67                 public void StackTrace_Exception_Null ()
  68                 {
  69                         Exception e = null;
  70                         new StackTrace (e);
  71                 }
  72
  73                 [Test]
  74                 [ExpectedException (typeof (ArgumentNullException))]
  75                 public void StackTrace_ExceptionBool_Null ()
  76                 {
  77                         Exception e = null;
  78                         new StackTrace (e, true);
  79                 }
  80
  81                 [Test]
  82                 [ExpectedException (typeof (ArgumentNullException))]
  83                 public void StackTrace_ExceptionInt_Null ()
  84                 {
  85                         Exception e = null;
  86                         new StackTrace (e, 1);
  87                 }
  88
  89                 [Test]
  90                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  91                 public void StackTrace_ExceptionInt_Negative ()
  92                 {
  93                         new StackTrace (new Exception (), -1);
  94                 }
  95
  96                 [Test]
  97                 [ExpectedException (typeof (ArgumentNullException))]
  98                 public void StackTrace_ExceptionIntBool_Null ()
  99                 {
 100                         Exception e = null;
 101                         new StackTrace (e, 1, true);
 102                 }
 103
 104                 [Test]
 105                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 106                 public void StackTrace_ExceptionIntBool_Negative ()
 107                 {
 108                         new StackTrace (new Exception (), -1, true);
 109                 }
 110
 111                 [Test]
 112                 public void StackTrace_StackFrame_Null ()
 113                 {
 114                         StackFrame sf = null;
 115                         StackTrace st = new StackTrace (sf);
 116                         // no exception
 117                         Assert.AreEqual (1, st.FrameCount, "FrameCount");
 118                         Assert.IsNull (st.GetFrame (0), "Empty Frame");
 119                 }
 120
 121                 [Test]
 122                 [Ignore ("Not supported in Mono")]
 123                 public void StackTrace_Thread_Null ()
 124                 {
 125                         Thread t = null;
 126                         StackTrace st = new StackTrace (t, true);
 127                         // no exception
 128                 }
 129
 130                 static void EmptyThread ()
 131                 {
 132                         Thread.Sleep (1000);
 133                 }
 134
 135                 [Test]
 136 #if !NET_2_0
 137                 // on MS .NET 1.x, ThreadState after Start() is Unstarted
 138                 [Category ("NotDotNet")]
 139 #endif
 140                 [ExpectedException (typeof (ThreadStateException))]
 141                 [Ignore ("Not supported in Mono")]
 142                 public void StackTrace_Thread_NotSuspended ()
 143                 {
 144                         Thread t = new Thread (new ThreadStart (EmptyThread));
 145                         t.Start ();
 146                         new StackTrace (t, true);
 147                 }
 148
 149                 [Test]
 150                 [Ignore ("Not supported in Mono")]
 151                 public void StackTrace_Thread_Suspended ()
 152                 {
 153                         Thread t = new Thread (new ThreadStart (EmptyThread));
 154                         t.Start ();
 155                         t.Suspend ();
 156                         new StackTrace (t, true);
 157                 }
 158
 159                 [Test]
 160                 public void FrameCount ()
 161                 {
 162                         Assert.AreEqual (1, trace.FrameCount, "Frame count");
 163                 }
 164
 165                 [Test]
 166                 public void GetFrame_OutOfRange ()
 167                 {
 168                         Assert.IsNull (trace.GetFrame (-1), "-1");
 169                         Assert.IsNull (trace.GetFrame (-129), "-129");
 170                         Assert.IsNull (trace.GetFrame (1), "1");
 171                         Assert.IsNull (trace.GetFrame (145), "145");
 172
 173                         Assert.IsNull (trace.GetFrame (Int32.MinValue), "MinValue");
 174                         Assert.IsNull (trace.GetFrame (Int32.MaxValue), "MaxValue");
 175                 }
 176
 177                 [Test]
 178                 public void GetFrame ()
 179                 {
 180                         Assert.AreEqual (frame, trace.GetFrame (0), "0");
 181                 }
 182 #if NET_2_0
 183                 [Test]
 184                 public void GetFrames ()
 185                 {
 186                         StackTrace st = new StackTrace ();
 187                         StackFrame[] sf = st.GetFrames ();
 188                         Assert.AreEqual (st.FrameCount, sf.Length, "Count");
 189                         for (int i=0; i < sf.Length; i++) {
 190                                 Assert.AreEqual (sf [i], st.GetFrame (i), i.ToString ());
 191                         }
 192                 }
 193 #endif
 194                 [Test]
 195                 public void UnthrownException ()
 196                 {
 197                         Assert.AreEqual (0, new StackTrace (new Exception ()).FrameCount, "Unthrown exception");
 198                 }
 199         }
 200 }