mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/BindingContextTest.cs

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   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
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   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2006 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Jackson Harper  jackson@ximian.com
  24
  25
  26 using System;
  27 using System.Data;
  28 using System.Collections;
  29 using System.ComponentModel;
  30 using System.Windows.Forms;
  31
  32 using NUnit.Framework;
  33
  34 using CategoryAttribute = NUnit.Framework.CategoryAttribute;
  35
  36 namespace MonoTests.System.Windows.Forms {
  37
  38         [TestFixture]
  39         public class BindingContextTest {
  40
  41                 private class BindingContextPoker : BindingContext {
  42
  43                         public int collection_changed;
  44
  45                         public void _Add (object data_source, BindingManagerBase list_manager)
  46                         {
  47                                 Add (data_source, list_manager);
  48                         }
  49
  50                         public void _AddCore (object data_source, BindingManagerBase list_manager)
  51                         {
  52                                 AddCore (data_source, list_manager);
  53                         }
  54
  55                         public void _Clear ()
  56                         {
  57                                 Clear ();
  58                         }
  59
  60                         public void _ClearCore ()
  61                         {
  62                                 ClearCore ();
  63                         }
  64
  65                         public void _Remove (object data_source)
  66                         {
  67                                 Remove (data_source);
  68                         }
  69
  70                         public void _RemoveCore (object data_source)
  71                         {
  72                                 RemoveCore (data_source);
  73                         }
  74
  75                         protected override void OnCollectionChanged (CollectionChangeEventArgs ce)
  76                         {
  77                                 collection_changed = (int) ce.Action;
  78                                 base.OnCollectionChanged (ce);
  79                         }
  80                 }
  81
  82                 [SetUp]
  83                 protected virtual void SetUp ()
  84                 {
  85                 }
  86
  87                 [TearDown]
  88                 protected virtual void TearDown ()
  89                 {
  90                 }
  91
  92                 [Test]
  93                 public void CtorTest ()
  94                 {
  95                         BindingContext bc = new BindingContext ();
  96
  97                         Assert.IsFalse (bc.IsReadOnly, "CT1");
  98                         Assert.IsFalse (bc.Contains (this), "CT2");
  99                         Assert.IsFalse (bc.Contains (this, String.Empty), "CT3");
 100                         Assert.IsFalse (bc.Contains (this, "Me is String"), "CT4");
 101
 102                         // Test the ICollection interface
 103                         ICollection ic = (ICollection) bc;
 104                         Assert.AreEqual (ic.Count, 0, "CT5");
 105                         Assert.IsFalse (ic.IsSynchronized, "CT6");
 106                         Assert.IsNull (ic.SyncRoot, "CT7");
 107                         object [] arr = new object [] { "A", "B", "C" };
 108                         ic.CopyTo (arr, 0);
 109                         Assert.AreEqual (0, ic.Count, "CT8");
 110                         Assert.IsFalse (ic.GetEnumerator ().MoveNext (), "CT9");
 111                 }
 112
 113                 [Test]
 114                 [ExpectedException (typeof (ArgumentNullException))]
 115                 public void TestIndexerNull ()
 116                 {
 117                         BindingContext bc = new BindingContext ();
 118                         BindingManagerBase a, b;
 119
 120                         a = bc [null];
 121                 }
 122
 123                 [Test]
 124                 public void TestIndexerNoMember ()
 125                 {
 126                         BindingContext bc = new BindingContext ();
 127                         ArrayList data_source = new ArrayList ();
 128                         BindingManagerBase a, b;
 129
 130                         data_source.AddRange (new string [] { "1", "2", "3", "4", "5" });
 131
 132                         a = bc [data_source];
 133                         b = bc [data_source];
 134                         Assert.AreSame (a, b, "INNM1");
 135
 136                         b = bc [data_source, String.Empty];
 137                         Assert.AreSame (a, b, "INNM2");
 138
 139                         // Only one is added to the list
 140                         Assert.AreEqual (((ICollection) bc).Count, 1);
 141                 }
 142
 143                 [Test]
 144                 public void TestIndexerWithMember ()
 145                 {
 146                         BindingContext bc = new BindingContext ();
 147                         ArrayList data_source = new ArrayList ();
 148                         BindingManagerBase a, b, c;
 149
 150                         data_source.AddRange (new string [] { "1", "2", "3", "4", "5" });
 151
 152                         a = bc [data_source, "Length"];
 153                         b = bc [data_source, "Length"];
 154
 155                         Assert.AreSame (a, b, "INWM1");
 156
 157                         b = bc [data_source];
 158                         Assert.IsFalse (object.ReferenceEquals (a, b), "INWM2");
 159
 160                         c = bc [data_source];
 161                         Assert.AreSame (b, c, "INWM3");
 162
 163                         b = bc [data_source, "Length"];
 164                         Assert.AreSame (a, b, "INWM4");
 165                 }
 166
 167                 [Test]
 168                 [ExpectedException (typeof (ArgumentException))]
 169                 public void CantCreateChildList ()
 170                 {
 171                         BindingContext bc = new BindingContext ();
 172                         ArrayList data_source = new ArrayList ();
 173
 174                         BindingManagerBase a = bc [data_source, "Items"];
 175                 }
 176
 177                 [Test]
 178                 [ExpectedException (typeof (ArgumentException))]
 179                 public void CantCreateChildList2 ()
 180                 {
 181                         BindingContext bc = new BindingContext ();
 182                         ArrayList data_source = new ArrayList ();
 183
 184                         BindingManagerBase a = bc [data_source, "Count"];
 185                 }
 186
 187                 [Test]
 188                 public void CreateCurrencyManager ()
 189                 {
 190                         BindingContext bc = new BindingContext ();
 191                         ArrayList data_source = new ArrayList ();
 192                         CurrencyManager a = bc [data_source] as CurrencyManager;
 193
 194                         Assert.IsNotNull (a, "CCM1");
 195                 }
 196
 197                 [Test]
 198                 public void CreatePropertyManager ()
 199                 {
 200                         BindingContext bc = new BindingContext ();
 201                         object data_source = new object ();
 202                         PropertyManager a = bc [data_source] as PropertyManager;
 203
 204                         Assert.IsNotNull (a, "CPM1");
 205                 }
 206
 207                 private DataSet CreateRelatedDataSet ()
 208                 {
 209                         DataSet dataset = new DataSet ("DataSet");
 210                         DataTable dt1 = new DataTable ("Table1");
 211                         DataTable dt2 = new DataTable ("Table2");
 212                         DataColumn column;
 213
 214                         column = new DataColumn ("One");
 215                         column.DataType = typeof (int);
 216                         column.Unique = true;
 217                         dt1.Columns.Add (column);
 218
 219                         for (int i = 0; i < 10; i++) {
 220                                 DataRow row = dt1.NewRow ();
 221                                 row ["One"] = i;
 222                                 dt1.Rows.Add (row);
 223                         }
 224
 225                         column = new DataColumn ("Two");
 226                         column.DataType = typeof (int);
 227                         column.Unique = true;
 228                         dt2.Columns.Add (column);
 229
 230                         for (int i = 0; i < 10; i++) {
 231                                 DataRow row = dt2.NewRow ();
 232                                 row ["Two"] = i;
 233                                 dt2.Rows.Add (row);
 234                         }
 235
 236                         dataset.Tables.Add (dt1);
 237                         dataset.Tables.Add (dt2);
 238                         dataset.Relations.Add ("Relation", dt1.Columns ["One"], dt2.Columns ["Two"]);
 239
 240                         return dataset;
 241                 }
 242
 243                 [Test]
 244                 public void CreateComplexManager ()
 245                 {
 246                         BindingContext bc = new BindingContext ();
 247                         DataSet dataset = CreateRelatedDataSet ();
 248                         CurrencyManager cm = bc [dataset, "Table1.Relation"] as CurrencyManager;
 249
 250                         Assert.IsNotNull (cm, "CCCM1");
 251                 }
 252
 253                 [Test]
 254                 [ExpectedException (typeof (ArgumentException))]
 255                 public void FailToCreateComplexManagerRelationDoesNotExist ()
 256                 {
 257                         BindingContext bc = new BindingContext ();
 258                         DataSet dataset = CreateRelatedDataSet ();
 259                         CurrencyManager cm = bc [dataset, "Table1.ImNotRelated"] as CurrencyManager;
 260                 }
 261
 262                 [Test]
 263                 [ExpectedException (typeof (ArgumentException))]
 264                 public void FailToCreateComplexManagerNoTableSpecified ()
 265                 {
 266                         BindingContext bc = new BindingContext ();
 267                         DataSet dataset = CreateRelatedDataSet ();
 268                         CurrencyManager cm = bc [dataset, "Relation"] as CurrencyManager;
 269                 }
 270
 271                 [Test]
 272                 [ExpectedException (typeof (ArgumentException))]
 273                 public void FailToCreateComplexChildTableSpecified ()
 274                 {
 275                         BindingContext bc = new BindingContext ();
 276                         DataSet dataset = CreateRelatedDataSet ();
 277                         CurrencyManager cm = bc [dataset, "Table2.Relation"] as CurrencyManager;
 278                 }
 279
 280                 [Test]
 281                 [ExpectedException (typeof (NotImplementedException))]
 282                 public void CantSubscribeToCollectionChanged ()
 283                 {
 284                         BindingContext bc = new BindingContext ();
 285
 286                         bc.CollectionChanged += new CollectionChangeEventHandler (Dummy);
 287                 }
 288
 289                 [Test]
 290                 public void CantSubscribeToCollectionChanged2 ()
 291                 {
 292                         BindingContext bc = new BindingContext ();
 293
 294                         bc.CollectionChanged -= new CollectionChangeEventHandler (Dummy);
 295                 }
 296
 297                 private void Dummy (object sender, CollectionChangeEventArgs e)
 298                 {
 299
 300                 }
 301
 302                 [Test]
 303                 [ExpectedException (typeof (ArgumentNullException))]
 304                 public void AddNullDataSource ()
 305                 {
 306                         BindingContextPoker p = new BindingContextPoker ();
 307
 308                         p._Add (null, new PropertyManager ());
 309                 }
 310
 311                 [Test]
 312                 [ExpectedException (typeof (ArgumentNullException))]
 313                 public void AddNullListManager ()
 314                 {
 315                         BindingContextPoker p = new BindingContextPoker ();
 316
 317                         p._Add (new object (), null);
 318                 }
 319
 320                 [Test]
 321                 public void Add ()
 322                 {
 323                         BindingContextPoker p = new BindingContextPoker ();
 324                         object data_source = new object ();
 325
 326                         p.collection_changed = -1;
 327                         Assert.IsFalse (p.Contains (data_source), "ADD1");
 328                         Assert.AreEqual (0, ((ICollection) p).Count, "ADD2");
 329                         p._Add (data_source, new PropertyManager ());
 330                         Assert.IsTrue (p.Contains (data_source), "ADD3");
 331                         Assert.AreEqual (1, ((ICollection) p).Count, "ADD4");
 332                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Add, "ADD5");
 333
 334                         p.collection_changed = -1;
 335                         p._Add (data_source, new PropertyManager ());
 336                         Assert.IsTrue (p.Contains (data_source), "ADD6");
 337                         Assert.AreEqual (1, ((ICollection) p).Count, "ADD7");
 338                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Add, "ADD8");
 339
 340                         p.collection_changed = -1;
 341                         data_source = new object ();
 342                         p._Add (data_source, new PropertyManager ());
 343                         Assert.IsTrue (p.Contains (data_source), "ADD9");
 344                         Assert.AreEqual (2, ((ICollection) p).Count, "ADD10");
 345                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Add, "ADD9");
 346                 }
 347
 348                 [Test]
 349                 public void AddCore ()
 350                 {
 351                         BindingContextPoker p = new BindingContextPoker ();
 352                         object data_source = new object ();
 353
 354                         p.collection_changed = -1;
 355                         Assert.IsFalse (p.Contains (data_source), "ADDCORE1");
 356                         Assert.AreEqual (0, ((ICollection) p).Count, "ADDCORE2");
 357                         p._AddCore (data_source, new PropertyManager ());
 358                         Assert.IsTrue (p.Contains (data_source), "ADDCORE3");
 359                         Assert.AreEqual (1, ((ICollection) p).Count, "ADDCORE4");
 360                         Assert.AreEqual (p.collection_changed, -1, "ADDCORE5");
 361
 362                         p.collection_changed = -1;
 363                         p._AddCore (data_source, new PropertyManager ());
 364                         Assert.IsTrue (p.Contains (data_source), "ADDCORE6");
 365                         Assert.AreEqual (1, ((ICollection) p).Count, "ADDCORE7");
 366                         Assert.AreEqual (p.collection_changed, -1, "ADDCORE8");
 367
 368                         p.collection_changed = -1;
 369                         data_source = new object ();
 370                         p._AddCore (data_source, new PropertyManager ());
 371                         Assert.IsTrue (p.Contains (data_source), "ADDCORE9");
 372                         Assert.AreEqual (2, ((ICollection) p).Count, "ADDCORE10");
 373                         Assert.AreEqual (p.collection_changed, -1, "ADDCORE11");
 374                 }
 375
 376                 [Test]
 377                 [ExpectedException (typeof (ArgumentNullException))]
 378                 public void RemoveNull ()
 379                 {
 380                         BindingContextPoker p = new BindingContextPoker ();
 381                         p._Remove (null);
 382                 }
 383
 384                 [Test]
 385                 public void Remove ()
 386                 {
 387                         BindingContextPoker p = new BindingContextPoker ();
 388                         object data_source = new object ();
 389
 390                         p.collection_changed = -1;
 391                         p._Add (data_source, new PropertyManager ());
 392                         Assert.IsTrue (p.Contains (data_source), "REMOVE1");
 393                         Assert.AreEqual (1, ((ICollection) p).Count, "REMOVE2");
 394                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Add, "REMOVE3");
 395                         p._Remove (data_source);
 396                         Assert.IsFalse (p.Contains (data_source), "REMOVE4");
 397                         Assert.AreEqual (0, ((ICollection) p).Count, "REMOVE5");
 398                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Remove, "REMOVE6");
 399
 400                         // Double remove
 401                         p.collection_changed = -1;
 402                         p._Remove (data_source);
 403                         Assert.IsFalse (p.Contains (data_source), "REMOVE7");
 404                         Assert.AreEqual (0, ((ICollection) p).Count, "REMOVE8");
 405                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Remove, "REMOVE9");
 406                 }
 407
 408                 [Test]
 409                 public void RemoveCore ()
 410                 {
 411                         BindingContextPoker p = new BindingContextPoker ();
 412                         object data_source = new object ();
 413
 414                         p.collection_changed = -1;
 415                         p._Add (data_source, new PropertyManager ());
 416                         Assert.IsTrue (p.Contains (data_source), "REMOVECORE1");
 417                         Assert.AreEqual (1, ((ICollection) p).Count, "REMOVECORE2");
 418                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Add, "REMOVECORE3");
 419
 420                         p.collection_changed = -1;
 421                         p._RemoveCore (data_source);
 422                         Assert.IsFalse (p.Contains (data_source), "REMOVECORE4");
 423                         Assert.AreEqual (0, ((ICollection) p).Count, "REMOVECORE5");
 424                         Assert.AreEqual (p.collection_changed, -1, "REMOVECORE6");
 425
 426                         // Double remove
 427                         p.collection_changed = -1;
 428                         p._Remove (data_source);
 429                         Assert.IsFalse (p.Contains (data_source), "REMOVECORE7");
 430                         Assert.AreEqual (0, ((ICollection) p).Count, "REMOVECORE8");
 431                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Remove, "REMOVECORE9");
 432                 }
 433
 434                 [Test]
 435                 public void Clear ()
 436                 {
 437                         BindingContextPoker p = new BindingContextPoker ();
 438                         object data_source = new object ();
 439
 440                         p._Add (data_source, new PropertyManager ());
 441                         p.collection_changed = -1;
 442                         p._Clear ();
 443                         Assert.IsFalse (p.Contains (data_source), "CLEAR1");
 444                         Assert.AreEqual (0, ((ICollection) p).Count, "CLEAR2");
 445                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Refresh, "CLEAR3");
 446
 447                         // Double clear
 448                         p.collection_changed = -1;
 449                         p._Clear ();
 450                         Assert.IsFalse (p.Contains (data_source), "CLEAR1");
 451                         Assert.AreEqual (0, ((ICollection) p).Count, "CLEAR2");
 452                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Refresh, "CLEAR3");
 453                 }
 454
 455                 [Test]
 456                 public void ClearCore ()
 457                 {
 458                         BindingContextPoker p = new BindingContextPoker ();
 459                         object data_source = new object ();
 460
 461                         p._Add (data_source, new PropertyManager ());
 462                         p.collection_changed = -1;
 463                         p._Clear ();
 464                         Assert.IsFalse (p.Contains (data_source), "CLEARCORE1");
 465                         Assert.AreEqual (0, ((ICollection) p).Count, "CLEARCORE2");
 466                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Refresh, "CLEARCORE3");
 467
 468                         // Double clear
 469                         p.collection_changed = -1;
 470                         p._Clear ();
 471                         Assert.IsFalse (p.Contains (data_source), "CLEARCORE4");
 472                         Assert.AreEqual (0, ((ICollection) p).Count, "CLEARCORE5");
 473                         Assert.AreEqual (p.collection_changed, (int) CollectionChangeAction.Refresh, "CLEARCORE6");
 474                 }
 475
 476                 [Test]
 477                 public void TestContains ()
 478                 {
 479                         BindingContextPoker p = new BindingContextPoker ();
 480                         object data_source = new object ();
 481                         p._Add (data_source, new PropertyManager ());
 482                         Assert.IsTrue (p.Contains (data_source), "#1");
 483                         Assert.IsFalse (p.Contains ("nonexistent"), "#2");
 484                 }
 485
 486                 [Test]
 487                 [ExpectedException (typeof (ArgumentNullException))]
 488                 public void TestContainsNull ()
 489                 {
 490                         BindingContextPoker p = new BindingContextPoker ();
 491                         p.Contains (null);
 492                 }
 493
 494                 [Test]
 495                 public void TestContainsNull2 ()
 496                 {
 497                         BindingContextPoker p = new BindingContextPoker ();
 498                         object data_source = new object ();
 499                         p._Add (data_source, new PropertyManager ());
 500                         Assert.IsTrue (p.Contains (data_source, null), "#1");
 501                         Assert.IsFalse (p.Contains ("nonexistent", null), "#2");
 502                 }
 503
 504
 505                 [Test]
 506                 public void TestGetEnumerator ()
 507                 {
 508                         BindingContextPoker p = new BindingContextPoker ();
 509                         object data_source = new object ();
 510                         PropertyManager pm = new PropertyManager ();
 511                         p._Add (data_source, pm);
 512                         IEnumerator e = ((IEnumerable) p).GetEnumerator ();
 513                         Assert.IsNotNull (e, "#1");
 514                         IDictionaryEnumerator de = e as IDictionaryEnumerator;
 515                         Assert.IsNotNull (de, "#2");
 516                         Assert.IsTrue (de.MoveNext (), "#3");
 517                         // In .NET Key is its internal type.
 518                         //Assert.AreEqual (data_source, de.Key, "#4");
 519                         //Assert.AreEqual (pm, de.Value, "#5");
 520                         Assert.IsFalse (de.MoveNext (), "#6");
 521                 }
 522         }
 523 }
 524