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         [Category("NotDotNet")]
  40         public class SecurityPermissionTest {
  41
  42                 static SecurityPermissionFlag [] AllFlags = {
  43                         SecurityPermissionFlag.AllFlags,
  44                         SecurityPermissionFlag.Assertion,
  45 #if NET_1_1
  46                         SecurityPermissionFlag.BindingRedirects,
  47 #endif
  48                         SecurityPermissionFlag.ControlAppDomain,
  49                         SecurityPermissionFlag.ControlDomainPolicy,
  50                         SecurityPermissionFlag.ControlEvidence,
  51                         SecurityPermissionFlag.ControlPolicy,
  52                         SecurityPermissionFlag.ControlPrincipal,
  53                         SecurityPermissionFlag.ControlThread,
  54                         SecurityPermissionFlag.Execution,
  55                         SecurityPermissionFlag.Infrastructure,
  56                         SecurityPermissionFlag.NoFlags,
  57                         SecurityPermissionFlag.RemotingConfiguration,
  58                         SecurityPermissionFlag.SerializationFormatter,
  59                         SecurityPermissionFlag.SkipVerification,
  60                         SecurityPermissionFlag.UnmanagedCode };
  61
  62                 static SecurityPermissionFlag [] AllFlagsExceptNoFlags = {
  63                         SecurityPermissionFlag.AllFlags,
  64                         SecurityPermissionFlag.Assertion,
  65 #if NET_1_1
  66                         SecurityPermissionFlag.BindingRedirects,
  67 #endif
  68                         SecurityPermissionFlag.ControlAppDomain,
  69                         SecurityPermissionFlag.ControlDomainPolicy,
  70                         SecurityPermissionFlag.ControlEvidence,
  71                         SecurityPermissionFlag.ControlPolicy,
  72                         SecurityPermissionFlag.ControlPrincipal,
  73                         SecurityPermissionFlag.ControlThread,
  74                         SecurityPermissionFlag.Execution,
  75                         SecurityPermissionFlag.Infrastructure,
  76                         SecurityPermissionFlag.RemotingConfiguration,
  77                         SecurityPermissionFlag.SerializationFormatter,
  78                         SecurityPermissionFlag.SkipVerification,
  79                         SecurityPermissionFlag.UnmanagedCode };
  80
  81                 static SecurityPermissionFlag [] AllFlagsExceptAllFlags = {
  82                         SecurityPermissionFlag.Assertion,
  83 #if NET_1_1
  84                         SecurityPermissionFlag.BindingRedirects,
  85 #endif
  86                         SecurityPermissionFlag.ControlAppDomain,
  87                         SecurityPermissionFlag.ControlDomainPolicy,
  88                         SecurityPermissionFlag.ControlEvidence,
  89                         SecurityPermissionFlag.ControlPolicy,
  90                         SecurityPermissionFlag.ControlPrincipal,
  91                         SecurityPermissionFlag.ControlThread,
  92                         SecurityPermissionFlag.Execution,
  93                         SecurityPermissionFlag.Infrastructure,
  94                         SecurityPermissionFlag.NoFlags,
  95                         SecurityPermissionFlag.RemotingConfiguration,
  96                         SecurityPermissionFlag.SerializationFormatter,
  97                         SecurityPermissionFlag.SkipVerification,
  98                         SecurityPermissionFlag.UnmanagedCode };
  99
 100                 [Test]
 101                 public void PermissionState_None ()
 102                 {
 103                         PermissionState ps = PermissionState.None;
 104                         SecurityPermission sp = new SecurityPermission (ps);
 105                         Assert.AreEqual (SecurityPermissionFlag.NoFlags, sp.Flags, "Flags");
 106                         Assert.IsFalse (sp.IsUnrestricted (), "IsUnrestricted");
 107
 108                         SecurityElement se = sp.ToXml ();
 109                         // only class and version are present
 110                         Assert.AreEqual ("NoFlags", se.Attribute ("Flags"), "Xml-Flags");
 111                         Assert.IsNull (se.Children, "Xml-Children");
 112
 113                         SecurityPermission copy = (SecurityPermission)sp.Copy ();
 114                         Assert.IsFalse (Object.ReferenceEquals (sp, copy), "ReferenceEquals");
 115                         Assert.AreEqual (sp.Flags, copy.Flags, "Flags");
 116                         Assert.AreEqual (sp.IsUnrestricted (), copy.IsUnrestricted (), "IsUnrestricted ()");
 117                 }
 118
 119                 [Test]
 120                 public void PermissionState_Unrestricted ()
 121                 {
 122                         PermissionState ps = PermissionState.Unrestricted;
 123                         SecurityPermission sp = new SecurityPermission (ps);
 124                         Assert.AreEqual (SecurityPermissionFlag.AllFlags, sp.Flags, "Flags");
 125                         Assert.IsTrue (sp.IsUnrestricted (), "IsUnrestricted");
 126
 127                         SecurityElement se = sp.ToXml ();
 128                         // only class and version are present
 129                         Assert.AreEqual ("true", se.Attribute ("Unrestricted"), "Xml-Unrestricted");
 130                         Assert.IsNull (se.Children, "Xml-Children");
 131
 132                         SecurityPermission copy = (SecurityPermission)sp.Copy ();
 133                         Assert.IsFalse (Object.ReferenceEquals (sp, copy), "ReferenceEquals");
 134                         Assert.AreEqual (sp.Flags, copy.Flags, "Flags");
 135                         Assert.AreEqual (sp.IsUnrestricted (), copy.IsUnrestricted (), "IsUnrestricted ()");
 136                 }
 137
 138                 [Test]
 139                 [ExpectedException (typeof (ArgumentException))]
 140                 public void PermissionState_Bad ()
 141                 {
 142                         PermissionState ps = (PermissionState)77;
 143                         SecurityPermission sp = new SecurityPermission (ps);
 144                 }
 145
 146                 [Test]
 147                 [ExpectedException (typeof (ArgumentException))]
 148                 public void SecurityPermissionFlags_Bad ()
 149                 {
 150                         SecurityPermissionFlag spf = (SecurityPermissionFlag)(SecurityPermissionFlag.AllFlags + 1);
 151                         SecurityPermission sp = new SecurityPermission (spf);
 152                 }
 153
 154                 [Test]
 155                 [ExpectedException (typeof (ArgumentException))]
 156                 public void Flags_SecurityPermissionFlags_Bad ()
 157                 {
 158                         SecurityPermissionFlag spf = (SecurityPermissionFlag)(SecurityPermissionFlag.AllFlags + 1);
 159                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 160                         sp.Flags = spf;
 161                 }
 162
 163                 [Test]
 164                 public void Copy ()
 165                 {
 166                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 167                         foreach (SecurityPermissionFlag spf in AllFlags) {
 168                                 sp.Flags = spf;
 169                                 SecurityPermission copy = (SecurityPermission) sp.Copy ();
 170                                 Assert.AreEqual (spf, copy.Flags, spf.ToString ());
 171                         }
 172                 }
 173
 174                 [Test]
 175                 public void Intersect_Null ()
 176                 {
 177                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 178                         // No intersection with null
 179                         foreach (SecurityPermissionFlag spf in AllFlags) {
 180                                 sp.Flags = spf;
 181                                 Assert.IsNull (sp.Intersect (null), spf.ToString ());
 182                         }
 183                 }
 184
 185                 [Test]
 186                 public void Intersect_None ()
 187                 {
 188                         SecurityPermission sp1 = new SecurityPermission (PermissionState.None);
 189                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 190                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 191                                 sp2.Flags = spf;
 192                                 // 1. Intersect None with spf
 193                                 SecurityPermission result = (SecurityPermission)sp1.Intersect (sp2);
 194                                 Assert.IsNull (result, "None N " + spf.ToString ());
 195                                 // 2. Intersect spf with None
 196                                 result = (SecurityPermission)sp2.Intersect (sp1);
 197                                 Assert.IsNull (result, "None N " + spf.ToString ());
 198                         }
 199                 }
 200
 201                 [Test]
 202                 public void Intersect_Self ()
 203                 {
 204                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 205                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 206                                 sp.Flags = spf;
 207                                 SecurityPermission result = (SecurityPermission)sp.Intersect (sp);
 208                                 Assert.AreEqual (spf, result.Flags, spf.ToString ());
 209                         }
 210                 }
 211
 212                 [Test]
 213                 public void Intersect_Unrestricted ()
 214                 {
 215                         // Intersection with unrestricted == Copy
 216                         // a. source (this) is unrestricted
 217                         SecurityPermission sp1 = new SecurityPermission (PermissionState.Unrestricted);
 218                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 219                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 220                                 sp2.Flags = spf;
 221                                 SecurityPermission result = (SecurityPermission) sp1.Intersect (sp2);
 222                                 Assert.AreEqual (sp2.Flags, result.Flags, "target " + spf.ToString ());
 223                         }
 224                         // b. destination (target) is unrestricted
 225                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 226                                 sp2.Flags = spf;
 227                                 SecurityPermission result = (SecurityPermission)sp2.Intersect (sp1);
 228                                 Assert.AreEqual (sp2.Flags, result.Flags, "source " + spf.ToString ());
 229                         }
 230                         // exceptions for NoFlags
 231                         sp2.Flags = SecurityPermissionFlag.NoFlags;
 232                         Assert.IsNull (sp1.Intersect (sp2), "target NoFlags");
 233                         Assert.IsNull (sp2.Intersect (sp1), "source NoFlags");
 234                 }
 235
 236                 [Test]
 237                 public void IsSubset_Null ()
 238                 {
 239                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 240                         Assert.IsTrue (sp.IsSubsetOf (null), "NoFlags");
 241                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 242                                 sp.Flags = spf;
 243                                 Assert.IsFalse (sp.IsSubsetOf (null), spf.ToString ());
 244                         }
 245                 }
 246
 247                 [Test]
 248                 public void IsSubset_None ()
 249                 {
 250                         // IsSubset with none
 251                         // a. source (this) is none -> target is never a subset
 252                         SecurityPermission sp1 = new SecurityPermission (PermissionState.None);
 253                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 254                         foreach (SecurityPermissionFlag spf in AllFlags) {
 255                                 sp2.Flags = spf;
 256                                 Assert.IsTrue (sp1.IsSubsetOf (sp2), "target " + spf.ToString ());
 257                         }
 258                         // b. destination (target) is none -> target is always a subset
 259                         foreach (SecurityPermissionFlag spf in AllFlagsExceptNoFlags) {
 260                                 sp2.Flags = spf;
 261                                 Assert.IsFalse (sp2.IsSubsetOf (sp1), "source " + spf.ToString ());
 262                         }
 263                         // exception of NoFlags
 264                         sp2.Flags = SecurityPermissionFlag.NoFlags;
 265                         Assert.IsTrue (sp2.IsSubsetOf (sp1), "source NoFlags");
 266                 }
 267
 268                 [Test]
 269                 public void IsSubset_Self ()
 270                 {
 271                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 272                         foreach (SecurityPermissionFlag spf in AllFlags) {
 273                                 sp.Flags = spf;
 274                                 SecurityPermission result = (SecurityPermission)sp.Intersect (sp);
 275                                 Assert.IsTrue (sp.IsSubsetOf (sp), spf.ToString ());
 276                         }
 277                 }
 278
 279                 [Test]
 280                 public void IsSubset_Unrestricted ()
 281                 {
 282                         // IsSubset with unrestricted
 283                         // a. source (this) is unrestricted -> target is never a subset
 284                         SecurityPermission sp1 = new SecurityPermission (PermissionState.Unrestricted);
 285                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 286                         foreach (SecurityPermissionFlag spf in AllFlagsExceptAllFlags) {
 287                                 sp2.Flags = spf;
 288                                 Assert.IsFalse (sp1.IsSubsetOf (sp2), "target " + spf.ToString ());
 289                         }
 290                         // exception of AllFlags
 291                         sp2.Flags = SecurityPermissionFlag.AllFlags;
 292                         Assert.IsTrue (sp1.IsSubsetOf (sp2), "target AllFlags");
 293                         // b. destination (target) is unrestricted -> target is always a subset
 294                         foreach (SecurityPermissionFlag spf in AllFlags) {
 295                                 sp2.Flags = spf;
 296                                 Assert.IsTrue (sp2.IsSubsetOf (sp1), "source " + spf.ToString ());
 297                         }
 298                 }
 299
 300                 [Test]
 301                 public void Union_Null ()
 302                 {
 303                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 304                         // Union with null is a simple copy
 305                         foreach (SecurityPermissionFlag spf in AllFlags) {
 306                                 sp.Flags = spf;
 307                                 SecurityPermission union = (SecurityPermission) sp.Union (null);
 308                                 Assert.AreEqual (spf, union.Flags, spf.ToString ());
 309                         }
 310                 }
 311
 312                 [Test]
 313                 public void Union_None ()
 314                 {
 315                         // Union with none is same
 316                         SecurityPermission sp1 = new SecurityPermission (PermissionState.None);
 317                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 318                         // a. source (this) is none
 319                         foreach (SecurityPermissionFlag spf in AllFlagsExceptAllFlags) {
 320                                 sp2.Flags = spf;
 321                                 SecurityPermission union = (SecurityPermission)sp1.Union (sp2);
 322                                 Assert.IsFalse (union.IsUnrestricted (), "target " + spf.ToString ());
 323                         }
 324                         // b. destination (target) is none
 325                         foreach (SecurityPermissionFlag spf in AllFlagsExceptAllFlags) {
 326                                 sp2.Flags = spf;
 327                                 SecurityPermission union = (SecurityPermission)sp2.Union (sp1);
 328                                 Assert.IsFalse (union.IsUnrestricted (), "source " + spf.ToString ());
 329                         }
 330                 }
 331
 332                 [Test]
 333                 public void Union_Self ()
 334                 {
 335                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 336                         foreach (SecurityPermissionFlag spf in AllFlags) {
 337                                 sp.Flags = spf;
 338                                 SecurityPermission result = (SecurityPermission)sp.Union (sp);
 339                                 Assert.AreEqual (spf, result.Flags, spf.ToString ());
 340                         }
 341                 }
 342
 343                 [Test]
 344                 public void Union_Unrestricted ()
 345                 {
 346                         // Union with unrestricted is unrestricted
 347                         SecurityPermission sp1 = new SecurityPermission (PermissionState.Unrestricted);
 348                         SecurityPermission sp2 = new SecurityPermission (PermissionState.None);
 349                         // a. source (this) is unrestricted
 350                         foreach (SecurityPermissionFlag spf in AllFlags) {
 351                                 sp2.Flags = spf;
 352                                 SecurityPermission union = (SecurityPermission)sp1.Union (sp2);
 353                                 Assert.IsTrue (union.IsUnrestricted (), "target " + spf.ToString ());
 354                         }
 355                         // b. destination (target) is unrestricted
 356                         foreach (SecurityPermissionFlag spf in AllFlags) {
 357                                 sp2.Flags = spf;
 358                                 SecurityPermission union = (SecurityPermission)sp2.Union (sp1);
 359                                 Assert.IsTrue (union.IsUnrestricted (), "source " + spf.ToString ());
 360                         }
 361                 }
 362
 363                 [Test]
 364                 [ExpectedException (typeof (ArgumentNullException))]
 365                 public void FromXml_Null ()
 366                 {
 367                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 368                         sp.FromXml (null);
 369                 }
 370
 371                 [Test]
 372                 [ExpectedException (typeof (ArgumentException))]
 373                 public void FromXml_WrongTag ()
 374                 {
 375                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 376                         SecurityElement se = sp.ToXml ();
 377                         se.Tag = "IMono";
 378                         sp.FromXml (se);
 379                 }
 380
 381                 [Test]
 382                 [ExpectedException (typeof (ArgumentException))]
 383                 public void FromXml_WrongTagCase ()
 384                 {
 385                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 386                         SecurityElement se = sp.ToXml ();
 387                         se.Tag = "IPERMISSION"; // instead of IPermission
 388                         sp.FromXml (se);
 389                 }
 390
 391                 [Test]
 392                 public void FromXml_WrongClass ()
 393                 {
 394                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 395                         SecurityElement se = sp.ToXml ();
 396
 397                         SecurityElement w = new SecurityElement (se.Tag);
 398                         w.AddAttribute ("class", "Wrong" + se.Attribute ("class"));
 399                         w.AddAttribute ("version", se.Attribute ("version"));
 400                         sp.FromXml (w);
 401                         // doesn't care of the class name at that stage
 402                         // anyway the class has already be created so...
 403                 }
 404
 405                 [Test]
 406                 public void FromXml_NoClass ()
 407                 {
 408                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 409                         SecurityElement se = sp.ToXml ();
 410
 411                         SecurityElement w = new SecurityElement (se.Tag);
 412                         w.AddAttribute ("version", se.Attribute ("version"));
 413                         sp.FromXml (w);
 414                         // doesn't even care of the class attribute presence
 415                 }
 416
 417                 [Test]
 418                 [ExpectedException (typeof (ArgumentException))]
 419                 public void FromXml_WrongVersion ()
 420                 {
 421                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 422                         SecurityElement se = sp.ToXml ();
 423                         se.Attributes.Remove ("version");
 424                         se.Attributes.Add ("version", "2");
 425                         sp.FromXml (se);
 426                 }
 427
 428                 [Test]
 429                 public void FromXml_NoVersion ()
 430                 {
 431                         SecurityPermission sp = new SecurityPermission (PermissionState.None);
 432                         SecurityElement se = sp.ToXml ();
 433
 434                         SecurityElement w = new SecurityElement (se.Tag);
 435                         w.AddAttribute ("class", se.Attribute ("class"));
 436                         sp.FromXml (w);
 437                 }
 438         }
 439 }