mcs/class/corlib/Test/System.Security.Permissions/SecurityPermissionTest.cs

   1 //
   2 // SecurityPermissionTest.cs - NUnit Test Cases for SecurityPermission
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2004 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
  29 using NUnit.Framework;
  30 using System;
  31 using System.Security;
  32 using System.Security.Permissions;
  33
  34 using System.Diagnostics;
  35
  36 namespace MonoTests.System.Security.Permissions {
  37
  38         [TestFixture]
  39         public class SecurityPermissionTest {
  40
  41                 static SecurityPermissionFlag [] AllFlags = {
  42                         SecurityPermissionFlag.AllFlags,
  43                         SecurityPermissionFlag.Assertion,
  44 #if NET_1_1
  45                         SecurityPermissionFlag.BindingRedirects,
  46 #endif
  47                         SecurityPermissionFlag.ControlAppDomain,
  48                         SecurityPermissionFlag.ControlDomainPolicy,
  49                         SecurityPermissionFlag.ControlEvidence,
  50                         SecurityPermissionFlag.ControlPolicy,
  51                         SecurityPermissionFlag.ControlPrincipal,
  52                         SecurityPermissionFlag.ControlThread,
  53                         SecurityPermissionFlag.Execution,
  54                         SecurityPermissionFlag.Infrastructure,
  55                         SecurityPermissionFlag.NoFlags,
  56                         SecurityPermissionFlag.RemotingConfiguration,
  57                         SecurityPermissionFlag.SerializationFormatter,
  58                         SecurityPermissionFlag.SkipVerification,
  59                         SecurityPermissionFlag.UnmanagedCode };
  60
  61                 static SecurityPermissionFlag [] AllFlagsExceptNoFlags = {
  62                         SecurityPermissionFlag.AllFlags,
  63                         SecurityPermissionFlag.Assertion,
  64 #if NET_1_1
  65                         SecurityPermissionFlag.BindingRedirects,
  66 #endif
  67                         SecurityPermissionFlag.ControlAppDomain,
  68                         SecurityPermissionFlag.ControlDomainPolicy,
  69                         SecurityPermissionFlag.ControlEvidence,
  70                         SecurityPermissionFlag.ControlPolicy,
  71                         SecurityPermissionFlag.ControlPrincipal,
  72                         SecurityPermissionFlag.ControlThread,
  73                         SecurityPermissionFlag.Execution,
  74                         SecurityPermissionFlag.Infrastructure,
  75                         SecurityPermissionFlag.RemotingConfiguration,
  76                         SecurityPermissionFlag.SerializationFormatter,
  77                         SecurityPermissionFlag.SkipVerification,
  78                         SecurityPermissionFlag.UnmanagedCode };
  79
  80                 static SecurityPermissionFlag [] AllFlagsExceptAllFlags = {
  81                         SecurityPermissionFlag.Assertion,
  82 #if NET_1_1
  83                         SecurityPermissionFlag.BindingRedirects,
  84 #endif
  85                         SecurityPermissionFlag.ControlAppDomain,
  86                         SecurityPermissionFlag.ControlDomainPolicy,
  87                         SecurityPermissionFlag.ControlEvidence,
  88                         SecurityPermissionFlag.ControlPolicy,
  89                         SecurityPermissionFlag.ControlPrincipal,
  90                         SecurityPermissionFlag.ControlThread,
  91                         SecurityPermissionFlag.Execution,
  92                         SecurityPermissionFlag.Infrastructure,
  93                         SecurityPermissionFlag.NoFlags,
  94                         SecurityPermissionFlag.RemotingConfiguration,
  95                         SecurityPermissionFlag.SerializationFormatter,
  96                         SecurityPermissionFlag.SkipVerification,
  97                         SecurityPermissionFlag.UnmanagedCode };
  98
  99                 [Test]
 100                 public void PermissionState_None ()
 101                 {
 102                         PermissionState ps = PermissionState.None;
 103                         SecurityPermission sp = new SecurityPermission (ps);
 104                         Assert.AreEqual (SecurityPermissionFlag.NoFlags, sp.Flags, "Flags");
 105                         Assert.IsFalse (sp.IsUnrestricted (), "IsUnrestricted");
 106
 107                         SecurityElement se = sp.ToXml ();
 108                         // only class and version are present
 109                         Assert.AreEqual ("NoFlags", se.Attribute ("Flags"), "Xml-Flags");
 110                         Assert.IsNull (se.Children, "Xml-Children");
 111
 112                         SecurityPermission copy = (SecurityPermission)sp.Copy ();
 113                         Assert.IsFalse (Object.ReferenceEquals (sp, copy), "ReferenceEquals");
 114                         Assert.AreEqual (sp.Flags, copy.Flags, "Flags");
 115                         Assert.AreEqual (sp.IsUnrestricted (), copy.IsUnrestricted (), "IsUnrestricted ()");
 116                 }
 117
 118                 [Test]
 119                 public void PermissionState_Unrestricted ()
 120                 {
 121                         PermissionState ps = PermissionState.Unrestricted;
 122                         SecurityPermission sp = new SecurityPermission (ps);
 123                         Assert.AreEqual (SecurityPermissionFlag.AllFlags, sp.Flags, "Flags");
 124                         Assert.IsTrue (sp.IsUnrestricted (), "IsUnrestricted");
 125
 126                         SecurityElement se = sp.ToXml ();
 127                         // only class and version are present
 128                         Assert.AreEqual ("true", se.Attribute ("Unrestricted"), "Xml-Unrestricted");
 129                         Assert.IsNull (se.Children, "Xml-Children");
 130
 131                         SecurityPermission copy = (SecurityPermission)sp.Copy ();
 132                         Assert.IsFalse (Object.ReferenceEquals (sp, copy), "ReferenceEquals");
 133                         Assert.AreEqual (sp.Flags, copy.Flags, "Flags");
 134                         Assert.AreEqual (sp.IsUnrestricted (), copy.IsUnrestricted (), "IsUnrestricted ()");
 135                 }
 136
 137                 [Test]
 138                 [ExpectedException (typeof (ArgumentException))]
 139                 public void PermissionState_Bad ()
 140                 {
 141                         PermissionState ps = (PermissionState)77;
 142                         SecurityPermission sp = new SecurityPermission (ps);
 143                 }
 144
 145                 [Test]
 146                 [ExpectedException (typeof (ArgumentException))]
 147                 public void SecurityPermissionFlags_Bad ()
 148                 {
 149                         SecurityPermissionFlag spf = (SecurityPermissionFlag)(SecurityPermissionFlag.AllFlags + 1);
 150                         SecurityPermission sp = new SecurityPermission (spf);
 151                 }
 152
 153                 [Test]
 154                 [ExpectedException (typeof (ArgumentException))]
 155                 public void Flags_SecurityPermissionFlags_Bad ()
 156                 {
 157                         SecurityPermissionFlag spf = (SecurityPermissionFlag)(SecurityPermissionFlag.AllFlags + 1);
 158                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 159                         sp.Flags = spf;
 160                 }
 161
 162                 [Test]
 163                 public void Copy ()
 164                 {
 165                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 166                         foreach (SecurityPermissionFlag spf in AllFlags) {
 167                                 sp.Flags = spf;
 168                                 SecurityPermission copy = (SecurityPermission) sp.Copy ();
 169                                 Assert.AreEqual (spf, copy.Flags, spf.ToString ());
 170                         }
 171                 }
 172
 173                 [Test]
 174                 public void Intersect_Null ()
 175                 {
 176                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 177                         // No intersection with null
 178                         foreach (SecurityPermissionFlag spf in AllFlags) {
 179                                 sp.Flags = spf;
 180                                 Assert.IsNull (sp.Intersect (null), spf.ToString ());
 181                         }
 182                 }
 183
 184                 [Test]
 185                 public void Intersect_None ()
 186                 {
 187                         SecurityPermission sp1 = new SecurityPermission (PermissionState.None);
 188                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 189                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 190                                 sp2.Flags = spf;
 191                                 // 1. Intersect None with spf
 192                                 SecurityPermission result = (SecurityPermission)sp1.Intersect (sp2);
 193                                 Assert.IsNull (result, "None N " + spf.ToString ());
 194                                 // 2. Intersect spf with None
 195                                 result = (SecurityPermission)sp2.Intersect (sp1);
 196                                 Assert.IsNull (result, "None N " + spf.ToString ());
 197                         }
 198                 }
 199
 200                 [Test]
 201                 public void Intersect_Self ()
 202                 {
 203                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 204                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 205                                 sp.Flags = spf;
 206                                 SecurityPermission result = (SecurityPermission)sp.Intersect (sp);
 207                                 Assert.AreEqual (spf, result.Flags, spf.ToString ());
 208                         }
 209                 }
 210
 211                 [Test]
 212                 public void Intersect_Unrestricted ()
 213                 {
 214                         // Intersection with unrestricted == Copy
 215                         // a. source (this) is unrestricted
 216                         SecurityPermission sp1 = new SecurityPermission (PermissionState.Unrestricted);
 217                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 218                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 219                                 sp2.Flags = spf;
 220                                 SecurityPermission result = (SecurityPermission) sp1.Intersect (sp2);
 221                                 Assert.AreEqual (sp2.Flags, result.Flags, "target " + spf.ToString ());
 222                         }
 223                         // b. destination (target) is unrestricted
 224                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 225                                 sp2.Flags = spf;
 226                                 SecurityPermission result = (SecurityPermission)sp2.Intersect (sp1);
 227                                 Assert.AreEqual (sp2.Flags, result.Flags, "source " + spf.ToString ());
 228                         }
 229                         // exceptions for NoFlags
 230                         sp2.Flags = SecurityPermissionFlag.NoFlags;
 231                         Assert.IsNull (sp1.Intersect (sp2), "target NoFlags");
 232                         Assert.IsNull (sp2.Intersect (sp1), "source NoFlags");
 233                 }
 234
 235                 [Test]
 236                 public void IsSubset_Null ()
 237                 {
 238                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 239                         Assert.IsTrue (sp.IsSubsetOf (null), "NoFlags");
 240                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 241                                 sp.Flags = spf;
 242                                 Assert.IsFalse (sp.IsSubsetOf (null), spf.ToString ());
 243                         }
 244                 }
 245
 246                 [Test]
 247                 public void IsSubset_None ()
 248                 {
 249                         // IsSubset with none
 250                         // a. source (this) is none -> target is never a subset
 251                         SecurityPermission sp1 = new SecurityPermission (PermissionState.None);
 252                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 253                         foreach (SecurityPermissionFlag spf in AllFlags) {
 254                                 sp2.Flags = spf;
 255                                 Assert.IsTrue (sp1.IsSubsetOf (sp2), "target " + spf.ToString ());
 256                         }
 257                         // b. destination (target) is none -> target is always a subset
 258                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 259                                 sp2.Flags = spf;
 260                                 Assert.IsFalse (sp2.IsSubsetOf (sp1), "source " + spf.ToString ());
 261                         }
 262                         // exception of NoFlags
 263                         sp2.Flags = SecurityPermissionFlag.NoFlags;
 264                         Assert.IsTrue (sp2.IsSubsetOf (sp1), "source NoFlags");
 265                 }
 266
 267                 [Test]
 268                 public void IsSubset_Self ()
 269                 {
 270                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 271                         foreach (SecurityPermissionFlag spf in AllFlags) {
 272                                 sp.Flags = spf;
 273                                 SecurityPermission result = (SecurityPermission)sp.Intersect (sp);
 274                                 Assert.IsTrue (sp.IsSubsetOf (sp), spf.ToString ());
 275                         }
 276                 }
 277
 278                 [Test]
 279                 public void IsSubset_Unrestricted ()
 280                 {
 281                         // IsSubset with unrestricted
 282                         // a. source (this) is unrestricted -> target is never a subset
 283                         SecurityPermission sp1 = new SecurityPermission (PermissionState.Unrestricted);
 284                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 285                         foreach (SecurityPermissionFlag spf in AllFlagsExceptAllFlags) {
 286                                 sp2.Flags = spf;
 287                                 Assert.IsFalse (sp1.IsSubsetOf (sp2), "target " + spf.ToString ());
 288                         }
 289                         // exception of AllFlags
 290                         sp2.Flags = SecurityPermissionFlag.AllFlags;
 291                         Assert.IsTrue (sp1.IsSubsetOf (sp2), "target AllFlags");
 292                         // b. destination (target) is unrestricted -> target is always a subset
 293                         foreach (SecurityPermissionFlag spf in AllFlags) {
 294                                 sp2.Flags = spf;
 295                                 Assert.IsTrue (sp2.IsSubsetOf (sp1), "source " + spf.ToString ());
 296                         }
 297                 }
 298
 299                 [Test]
 300                 public void Union_Null ()
 301                 {
 302                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 303                         // Union with null is a simple copy
 304                         foreach (SecurityPermissionFlag spf in AllFlags) {
 305                                 sp.Flags = spf;
 306                                 SecurityPermission union = (SecurityPermission) sp.Union (null);
 307                                 Assert.AreEqual (spf, union.Flags, spf.ToString ());
 308                         }
 309                 }
 310
 311                 [Test]
 312                 public void Union_None ()
 313                 {
 314                         // Union with none is same
 315                         SecurityPermission sp1 = new SecurityPermission (PermissionState.None);
 316                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 317                         // a. source (this) is none
 318                         foreach (SecurityPermissionFlag spf in AllFlagsExceptAllFlags) {
 319                                 sp2.Flags = spf;
 320                                 SecurityPermission union = (SecurityPermission)sp1.Union (sp2);
 321                                 Assert.IsFalse (union.IsUnrestricted (), "target " + spf.ToString ());
 322                         }
 323                         // b. destination (target) is none
 324                         foreach (SecurityPermissionFlag spf in AllFlagsExceptAllFlags) {
 325                                 sp2.Flags = spf;
 326                                 SecurityPermission union = (SecurityPermission)sp2.Union (sp1);
 327                                 Assert.IsFalse (union.IsUnrestricted (), "source " + spf.ToString ());
 328                         }
 329                 }
 330
 331                 [Test]
 332                 public void Union_Self ()
 333                 {
 334                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 335                         foreach (SecurityPermissionFlag spf in AllFlags) {
 336                                 sp.Flags = spf;
 337                                 SecurityPermission result = (SecurityPermission)sp.Union (sp);
 338                                 Assert.AreEqual (spf, result.Flags, spf.ToString ());
 339                         }
 340                 }
 341
 342                 [Test]
 343                 public void Union_Unrestricted ()
 344                 {
 345                         // Union with unrestricted is unrestricted
 346                         SecurityPermission sp1 = new SecurityPermission (PermissionState.Unrestricted);
 347                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 348                         // a. source (this) is unrestricted
 349                         foreach (SecurityPermissionFlag spf in AllFlags) {
 350                                 sp2.Flags = spf;
 351                                 SecurityPermission union = (SecurityPermission)sp1.Union (sp2);
 352                                 Assert.IsTrue (union.IsUnrestricted (), "target " + spf.ToString ());
 353                         }
 354                         // b. destination (target) is unrestricted
 355                         foreach (SecurityPermissionFlag spf in AllFlags) {
 356                                 sp2.Flags = spf;
 357                                 SecurityPermission union = (SecurityPermission)sp2.Union (sp1);
 358                                 Assert.IsTrue (union.IsUnrestricted (), "source " + spf.ToString ());
 359                         }
 360                 }
 361
 362                 [Test]
 363                 [ExpectedException (typeof (ArgumentNullException))]
 364                 public void FromXml_Null ()
 365                 {
 366                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 367                         sp.FromXml (null);
 368                 }
 369
 370                 [Test]
 371                 [ExpectedException (typeof (ArgumentException))]
 372                 public void FromXml_WrongTag ()
 373                 {
 374                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 375                         SecurityElement se = sp.ToXml ();
 376                         se.Tag = "IMono";
 377                         sp.FromXml (se);
 378                 }
 379
 380                 [Test]
 381                 [ExpectedException (typeof (ArgumentException))]
 382                 public void FromXml_WrongTagCase ()
 383                 {
 384                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 385                         SecurityElement se = sp.ToXml ();
 386                         se.Tag = "IPERMISSION"; // instead of IPermission
 387                         sp.FromXml (se);
 388                 }
 389
 390                 [Test]
 391                 public void FromXml_WrongClass ()
 392                 {
 393                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 394                         SecurityElement se = sp.ToXml ();
 395
 396                         SecurityElement w = new SecurityElement (se.Tag);
 397                         w.AddAttribute ("class", "Wrong" + se.Attribute ("class"));
 398                         w.AddAttribute ("version", se.Attribute ("version"));
 399                         sp.FromXml (w);
 400                         // doesn't care of the class name at that stage
 401                         // anyway the class has already be created so...
 402                 }
 403
 404                 [Test]
 405                 public void FromXml_NoClass ()
 406                 {
 407                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 408                         SecurityElement se = sp.ToXml ();
 409
 410                         SecurityElement w = new SecurityElement (se.Tag);
 411                         w.AddAttribute ("version", se.Attribute ("version"));
 412                         sp.FromXml (w);
 413                         // doesn't even care of the class attribute presence
 414                 }
 415
 416                 [Test]
 417                 [ExpectedException (typeof (ArgumentException))]
 418                 public void FromXml_WrongVersion ()
 419                 {
 420                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 421                         SecurityElement se = sp.ToXml ();
 422                         se.Attributes.Remove ("version");
 423                         se.Attributes.Add ("version", "2");
 424                         sp.FromXml (se);
 425                 }
 426
 427                 [Test]
 428                 public void FromXml_NoVersion ()
 429                 {
 430                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 431                         SecurityElement se = sp.ToXml ();
 432
 433                         SecurityElement w = new SecurityElement (se.Tag);
 434                         w.AddAttribute ("class", se.Attribute ("class"));
 435                         sp.FromXml (w);
 436                 }
 437         }
 438 }