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

   1 //
   2 // Copyright (c) 2005 Novell, Inc.
   3 //
   4 // Authors:
   5 //      Ritvik Mayank (mritvik@novell.com)
   6 //
   7
   8 using System;
   9 using System.Windows.Forms;
  10 using System.Drawing;
  11 using System.Threading;
  12 using System.Reflection;
  13 using System.Runtime.Remoting;
  14
  15 using NUnit.Framework;
  16
  17 namespace MWF.MonoTest
  18 {
  19         [TestFixture]
  20         public class ControlTest
  21         {
  22                 internal static void TestAccessibility(Control c, string Default, string Description, string Name, AccessibleRole Role) {
  23                         Assert.AreEqual(false, c.AccessibilityObject == null, "Acc1");
  24                         Assert.AreEqual(Default, c.AccessibleDefaultActionDescription, "Acc2");
  25                         Assert.AreEqual(Description, c.AccessibleDescription, "Acc3");
  26                         Assert.AreEqual(Name, c.AccessibleName, "Acc4");
  27                         Assert.AreEqual(Role, c.AccessibleRole, "Acc5");
  28                 }
  29
  30                 [Test]
  31                 public void PubPropTest()
  32                 {
  33                         Control c = new Control();
  34
  35                         TestAccessibility(c, null, null, null, AccessibleRole.Default);
  36
  37                         // A
  38                         Assert.AreEqual(false, c.AllowDrop , "A1");
  39                         Assert.AreEqual(AnchorStyles.Top | AnchorStyles.Left, c.Anchor, "A2");
  40
  41                         // B
  42                         Assert.AreEqual("Control", c.BackColor.Name , "B1");
  43                         Assert.AreEqual(null, c.BackgroundImage, "B2");
  44                         Assert.AreEqual(null, c.BindingContext, "B3");
  45                         Assert.AreEqual(0, c.Bottom, "B4");
  46                         Assert.AreEqual (new Rectangle (0,0, 0, 0) , c.Bounds , "B5");
  47
  48                         // C
  49                         Assert.AreEqual(false, c.CanFocus, "C1");
  50                         Assert.AreEqual(true, c.CanSelect, "C2");
  51                         Assert.AreEqual(false, c.Capture, "C3");
  52                         Assert.AreEqual(true, c.CausesValidation, "C4");
  53                         Assert.AreEqual (new Rectangle(0, 0, 0, 0) , c.ClientRectangle , "C5");
  54                         Assert.AreEqual (new Size(0, 0), c.ClientSize , "C6");
  55
  56                         string name = c.CompanyName;
  57                         if (!name.Equals("Mono Project, Novell, Inc.") && !name.Equals("Microsoft Corporation")) {
  58                                 Assert.Fail("CompanyName property does not match any accepted value - C7");
  59                         }
  60                         Assert.AreEqual(null, c.Container, "C8");
  61                         Assert.AreEqual(false, c.ContainsFocus, "C9");
  62                         Assert.AreEqual(null, c.ContextMenu, "C10");
  63                         Assert.AreEqual(0, c.Controls.Count, "C11");
  64                         Assert.AreEqual(true, c.Created, "C12");
  65                         Assert.AreEqual(Cursors.Default, c.Cursor, "C13");
  66
  67                         // D
  68                         Assert.AreEqual(false, c.DataBindings == null, "D1");
  69                         Assert.AreEqual("Control", Control.DefaultBackColor.Name, "D2");
  70                         Assert.AreEqual("ControlText", Control.DefaultForeColor.Name, "D3");
  71                         Assert.AreEqual(FontStyle.Regular, Control.DefaultFont.Style, "D4");
  72                         Assert.AreEqual (new Rectangle(0, 0, 0, 0), c.DisplayRectangle , "D5");
  73                         Assert.AreEqual(false, c.Disposing, "D6");
  74                         Assert.AreEqual(DockStyle.None, c.Dock, "D7");
  75
  76                         // E
  77                         Assert.AreEqual(true, c.Enabled, "E1");
  78
  79                         // F
  80                         Assert.AreEqual(false, c.Focused, "F1");
  81                         Assert.AreEqual(FontStyle.Regular, c.Font.Style, "F2");
  82                         Assert.AreEqual(SystemColors.ControlText, c.ForeColor, "F3");
  83
  84                         // G
  85
  86                         // H
  87                         Assert.AreEqual (((IWin32Window)c).Handle, c.Handle, "H1");
  88                         Assert.AreEqual(false, c.HasChildren, "H2");
  89                         Assert.AreEqual(0, c.Height, "H3");
  90
  91                         // I
  92                         Assert.AreEqual (ImeMode.NoControl, c.ImeMode, "I1");
  93                         Assert.AreEqual(false, c.InvokeRequired, "I2");
  94                         Assert.AreEqual(false, c.IsAccessible, "I3");
  95                         Assert.AreEqual(false, c.IsDisposed, "I4");
  96                         Assert.AreEqual(true, c.IsHandleCreated, "I5");
  97
  98                         // J
  99
 100                         // K
 101
 102                         // L
 103                         Assert.AreEqual(0, c.Left, "L1");
 104                         Assert.AreEqual(Point.Empty, c.Location, "L2");
 105
 106                         // M
 107 #if NET_2_0
 108                         Assert.IsTrue(c.MaximumSize.IsEmpty);
 109                         Assert.IsTrue(c.MinimumSize.IsEmpty);
 110 #endif
 111                         Assert.AreEqual(Keys.None, Control.ModifierKeys, "M1");
 112                         Assert.AreEqual(false, Control.MousePosition.IsEmpty, "M2");
 113                         Assert.AreEqual(MouseButtons.None, Control.MouseButtons, "M3");
 114
 115                         // N
 116                         Assert.AreEqual("", c.Name, "N1");
 117
 118                         // O
 119
 120                         // P
 121                         Assert.AreEqual(null, c.Parent, "P1");
 122                         name = c.ProductName;
 123                         if (!name.Equals("Novell Mono MWF") && !name.Equals("Microsoft (R) .NET Framework"))
 124                                 Assert.Fail("ProductName property does not match any accepted value - P2");
 125
 126                         name = c.ProductVersion;
 127                         if (!name.Equals("1.1.4322.2032")) {
 128                                 Assert.Fail("This test is being run against the wrong framework version.\nExpected is Net 1.1sp1. - P3");
 129                         }
 130
 131                         // R
 132                         Assert.AreEqual(false, c.RecreatingHandle, "R1");
 133                         Assert.AreEqual(null, c.Region, "R2");
 134                         Assert.AreEqual(0, c.Right, "R3");
 135                         Assert.AreEqual(RightToLeft.No, c.RightToLeft, "R4");
 136
 137                         // S
 138                         Assert.AreEqual(null, c.Site, "S1");
 139                         Assert.AreEqual (new Size(0, 0), c.Size, "S2");
 140
 141                         // T
 142                         Assert.AreEqual(0, c.TabIndex , "T1");
 143                         Assert.AreEqual(true, c.TabStop, "T2");
 144                         Assert.AreEqual(null, c.Tag, "T3");
 145                         Assert.AreEqual("", c.Text, "T4");
 146                         Assert.AreEqual(0, c.Top, "T5");
 147                         Assert.AreEqual(null, c.TopLevelControl, "T6");
 148
 149                         // U
 150
 151                         // V
 152                         Assert.AreEqual(true, c.Visible, "V1");
 153
 154                         // W
 155                         Assert.AreEqual(0, c.Width, "W1");
 156
 157                         // XYZ
 158                 }
 159
 160                 [Test]
 161                 public void RelationTest() {
 162                         Control c1;
 163                         Control c2;
 164
 165                         c1 = new Control();
 166                         c2 = new Control();
 167
 168                         Assert.AreEqual(true , c1.Visible , "Rel1");
 169                         Assert.AreEqual(false, c1.Contains(c2) , "Rel2");
 170                         Assert.AreEqual("System.Windows.Forms.Control", c1.ToString() , "Rel3");
 171
 172                         c1.Controls.Add(c2);
 173                         Assert.AreEqual(true , c2.Visible , "Rel4");
 174                         Assert.AreEqual(true, c1.Contains(c2) , "Rel5");
 175
 176                         c1.Anchor = AnchorStyles.Top;
 177                         c1.SuspendLayout ();
 178                         c1.Anchor = AnchorStyles.Left ;
 179                         c1.ResumeLayout ();
 180                         Assert.AreEqual(AnchorStyles.Left , c1.Anchor, "Rel6");
 181
 182                         c1.SetBounds(10, 20, 30, 40) ;
 183                         Assert.AreEqual(new Rectangle(10, 20, 30, 40), c1.Bounds, "Rel7");
 184
 185                         Assert.AreEqual(c1, c2.Parent, "Rel8");
 186                 }
 187
 188                 private string TestControl(Control container, Control start, bool forward) {
 189                         Control ctl;
 190
 191                         ctl = container.GetNextControl(start, forward);
 192
 193                         if (ctl == null) {
 194                                 return null;
 195                         }
 196
 197                         return ctl.Text;
 198                 }
 199
 200                 [Test]
 201                 public void TabOrder() {
 202                         Form            form;
 203                         Control         active;
 204
 205                         Label           label1 = new Label();           // To test non-tabstop items as well
 206                         Label           label2 = new Label();
 207
 208                         GroupBox        group1 = new GroupBox();
 209                         GroupBox        group2 = new GroupBox();
 210                         GroupBox        group3 = new GroupBox();
 211
 212                         TextBox         text1 = new TextBox();
 213
 214                         RadioButton     radio11 = new RadioButton();
 215                         RadioButton     radio12 = new RadioButton();
 216                         RadioButton     radio13 = new RadioButton();
 217                         RadioButton     radio14 = new RadioButton();
 218                         RadioButton     radio21 = new RadioButton();
 219                         RadioButton     radio22 = new RadioButton();
 220                         RadioButton     radio23 = new RadioButton();
 221                         RadioButton     radio24 = new RadioButton();
 222                         RadioButton     radio31 = new RadioButton();
 223                         RadioButton     radio32 = new RadioButton();
 224                         RadioButton     radio33 = new RadioButton();
 225                         RadioButton     radio34 = new RadioButton();
 226
 227                         form = new Form();
 228
 229                         form.ClientSize = new System.Drawing.Size (520, 520);
 230                         Assert.AreEqual(new Size(520, 520), form.ClientSize, "Tab1");
 231
 232                         form.Text = "SWF Taborder Test App Form";
 233                         Assert.AreEqual("SWF Taborder Test App Form", form.Text, "Tab2");
 234
 235                         label1.Location = new Point(10, 10);
 236                         Assert.AreEqual(new Point(10, 10), label1.Location, "Tab3");
 237                         label1.Text = "Label1";
 238                         form.Controls.Add(label1);
 239
 240                         label2.Location = new Point(200, 10);
 241                         label2.Text = "Label2";
 242                         form.Controls.Add(label2);
 243
 244                         group1.Text = "Group1";
 245                         group2.Text = "Group2";
 246                         group3.Text = "Group3";
 247
 248                         group1.Size = new Size(200, 400);
 249                         group2.Size = new Size(200, 400);
 250                         group3.Size = new Size(180, 180);
 251                         Assert.AreEqual(new Size(180, 180), group3.Size, "Tab4");
 252
 253                         group1.Location = new Point(10, 40);
 254                         group2.Location = new Point(220, 40);
 255                         group3.Location = new Point(10, 210);
 256
 257                         group1.TabIndex = 30;
 258                         Assert.AreEqual(30, group1.TabIndex, "Tab5");
 259                         group1.TabStop = true;
 260
 261                         // Don't assign, test automatic assignment
 262                         //group2.TabIndex = 0;
 263                         group2.TabStop = true;
 264                         Assert.AreEqual(0, group2.TabIndex, "Tab6");
 265
 266                         group3.TabIndex = 35;
 267                         group3.TabStop = true;
 268
 269                         // Test default tab index
 270                         Assert.AreEqual(0, radio11.TabIndex, "Tab7");
 271
 272                         text1.Text = "Edit Control";
 273
 274                         radio11.Text = "Radio 1-1 [Tab1]";
 275                         radio12.Text = "Radio 1-2 [Tab2]";
 276                         radio13.Text = "Radio 1-3 [Tab3]";
 277                         radio14.Text = "Radio 1-4 [Tab4]";
 278
 279                         radio21.Text = "Radio 2-1 [Tab4]";
 280                         radio22.Text = "Radio 2-2 [Tab3]";
 281                         radio23.Text = "Radio 2-3 [Tab2]";
 282                         radio24.Text = "Radio 2-4 [Tab1]";
 283
 284                         radio31.Text = "Radio 3-1 [Tab1]";
 285                         radio32.Text = "Radio 3-2 [Tab3]";
 286                         radio33.Text = "Radio 3-3 [Tab2]";
 287                         radio34.Text = "Radio 3-4 [Tab4]";
 288
 289                         // We don't assign TabIndex for radio1X; test automatic assignment
 290                         text1.TabStop = true;
 291                         radio11.TabStop = true;
 292
 293                         radio21.TabIndex = 4;
 294                         radio22.TabIndex = 3;
 295                         radio23.TabIndex = 2;
 296                         radio24.TabIndex = 1;
 297                         radio24.TabStop = true;
 298
 299                         radio31.TabIndex = 11;
 300                         radio31.TabStop = true;
 301                         radio32.TabIndex = 13;
 302                         radio33.TabIndex = 12;
 303                         radio34.TabIndex = 14;
 304
 305                         text1.Location = new Point(10, 100);
 306
 307                         radio11.Location = new Point(10, 20);
 308                         radio12.Location = new Point(10, 40);
 309                         radio13.Location = new Point(10, 60);
 310                         radio14.Location = new Point(10, 80);
 311
 312                         radio21.Location = new Point(10, 20);
 313                         radio22.Location = new Point(10, 40);
 314                         radio23.Location = new Point(10, 60);
 315                         radio24.Location = new Point(10, 80);
 316
 317                         radio31.Location = new Point(10, 20);
 318                         radio32.Location = new Point(10, 40);
 319                         radio33.Location = new Point(10, 60);
 320                         radio34.Location = new Point(10, 80);
 321
 322                         text1.Size = new Size(150, text1.PreferredHeight);
 323
 324                         radio11.Size = new Size(150, 20);
 325                         radio12.Size = new Size(150, 20);
 326                         radio13.Size = new Size(150, 20);
 327                         radio14.Size = new Size(150, 20);
 328
 329                         radio21.Size = new Size(150, 20);
 330                         radio22.Size = new Size(150, 20);
 331                         radio23.Size = new Size(150, 20);
 332                         radio24.Size = new Size(150, 20);
 333
 334                         radio31.Size = new Size(150, 20);
 335                         radio32.Size = new Size(150, 20);
 336                         radio33.Size = new Size(150, 20);
 337                         radio34.Size = new Size(150, 20);
 338
 339                         group1.Controls.Add(text1);
 340
 341                         group1.Controls.Add(radio11);
 342                         group1.Controls.Add(radio12);
 343                         group1.Controls.Add(radio13);
 344                         group1.Controls.Add(radio14);
 345
 346                         group2.Controls.Add(radio21);
 347                         group2.Controls.Add(radio22);
 348                         group2.Controls.Add(radio23);
 349                         group2.Controls.Add(radio24);
 350
 351                         group3.Controls.Add(radio31);
 352                         group3.Controls.Add(radio32);
 353                         group3.Controls.Add(radio33);
 354                         group3.Controls.Add(radio34);
 355
 356                         form.Controls.Add(group1);
 357                         form.Controls.Add(group2);
 358                         group2.Controls.Add(group3);
 359
 360                         // Perform some tests, the TabIndex stuff below will alter the outcome
 361                         Assert.AreEqual(null, TestControl(group2, radio34, true), "Tab8");
 362                         Assert.AreEqual(31, group2.TabIndex, "Tab9");
 363
 364                         // Does the taborder of containers and non-selectable things change behaviour?
 365                         label1.TabIndex = 5;
 366                         label2.TabIndex = 4;
 367                         group1.TabIndex = 3;
 368                         group2.TabIndex = 1;
 369
 370                         // Start verification
 371                         Assert.AreEqual(null, TestControl(group2, radio34, true), "Tab10");
 372                         Assert.AreEqual(radio24.Text, TestControl(group2, group2, true), "Tab11");
 373                         Assert.AreEqual(radio31.Text, TestControl(group2, group3, true), "Tab12");
 374                         Assert.AreEqual(null, TestControl(group1, radio14, true), "Tab13");
 375                         Assert.AreEqual(radio23.Text, TestControl(group2, radio24, true), "Tab14");
 376                         Assert.AreEqual(group3.Text, TestControl(group2, radio21, true), "Tab15");
 377                         Assert.AreEqual(radio13.Text, TestControl(form, radio12, true), "Tab16");
 378                         Assert.AreEqual(label2.Text, TestControl(form, radio14, true), "Tab17");
 379                         Assert.AreEqual(group1.Text, TestControl(form, radio34, true), "Tab18");
 380                         Assert.AreEqual(radio23.Text, TestControl(group2, radio24, true), "Tab19");
 381
 382                         // Sanity checks
 383                         Assert.AreEqual(null, TestControl(radio11, radio21, true), "Tab20");
 384                         Assert.AreEqual(text1.Text, TestControl(group1, radio21, true), "Tab21");
 385
 386                         Assert.AreEqual(radio14.Text, TestControl(form, label2, false), "Tab22");
 387                         Assert.AreEqual(radio21.Text, TestControl(group2, group3, false), "Tab23");
 388
 389                         Assert.AreEqual(4, radio21.TabIndex, "Tab24");
 390                         Assert.AreEqual(1, radio11.TabIndex, "Tab25");
 391                         Assert.AreEqual(3, radio13.TabIndex, "Tab26");
 392                         Assert.AreEqual(35, group3.TabIndex, "Tab27");
 393                         Assert.AreEqual(1, group2.TabIndex, "Tab28");
 394
 395                         Assert.AreEqual(label1.Text, TestControl(form, form, false), "Tab29");
 396                         Assert.AreEqual(radio14.Text, TestControl(group1, group1, false), "Tab30");
 397                         Assert.AreEqual(radio34.Text, TestControl(group3, group3, false), "Tab31");
 398
 399                         Assert.AreEqual(null, TestControl(label1, label1, false), "Tab31");
 400                         Assert.AreEqual(null, TestControl(radio11, radio21, false), "Tab32");
 401                 }
 402
 403                 [Test]
 404                 public void ScaleTest()
 405                 {
 406                         Control r1 = new Control();
 407
 408                         r1.Width = 40;
 409                         r1.Height = 20;
 410                         r1.Scale(2);
 411                         Assert.AreEqual(80, r1.Width, "Scale1");
 412                         Assert.AreEqual(40, r1.Height, "Scale2");
 413                 }
 414
 415                 [Test]
 416                 public void TextTest()
 417                 {
 418                         Control r1 = new Control();
 419                         r1.Text = "Hi" ;
 420                         Assert.AreEqual("Hi" , r1.Text , "Text1");
 421
 422                         r1.ResetText();
 423                         Assert.AreEqual("" , r1.Text , "Text2");
 424                 }
 425
 426                 [Test]
 427                 public void PubMethodTest7()
 428                 {
 429                         Control r1 = new Control();
 430                         r1.RightToLeft = RightToLeft.Yes ;
 431                         r1.ResetRightToLeft() ;
 432                         Assert.AreEqual(RightToLeft.No , r1.RightToLeft , "#81");
 433                         r1.ImeMode = ImeMode.Off ;
 434                         r1.ResetImeMode () ;
 435                         Assert.AreEqual(ImeMode.NoControl , r1.ImeMode , "#82");
 436                         r1.ForeColor= SystemColors.GrayText ;
 437                         r1.ResetForeColor() ;
 438                         Assert.AreEqual(SystemColors.ControlText , r1.ForeColor , "#83");
 439                         //r1.Font = Font.FromHdc();
 440                         r1.ResetFont () ;
 441                         //Assert.AreEqual(FontFamily.GenericSansSerif , r1.Font , "#83");
 442                         r1.Cursor = Cursors.Hand ;
 443                         r1.ResetCursor () ;
 444                         Assert.AreEqual(Cursors.Default , r1.Cursor , "#83");
 445                         //r1.DataBindings = System.Windows.Forms.Binding ;
 446                         //r1.ResetBindings() ;
 447                         //Assert.AreEqual(ControlBindingsCollection , r1.DataBindings  , "#83");
 448                         r1.BackColor = System.Drawing.Color.Black ;
 449                         r1.ResetBackColor() ;
 450                         Assert.AreEqual( SystemColors.Control , r1.BackColor  , "#84");
 451                         r1.BackColor = System.Drawing.Color.Black ;
 452                         r1.Refresh() ;
 453                         Assert.AreEqual( null , r1.Region , "#85");
 454                         Rectangle M = new Rectangle(10, 20, 30 ,40);
 455                         r1.RectangleToScreen(M) ;
 456                         Assert.AreEqual( null , r1.Region , "#86");
 457
 458                 }
 459
 460                 [Test]
 461                 public void ScreenClientCoords()
 462                 {
 463                         Label l;
 464                         Point p1;
 465                         Point p2;
 466                         Point p3;
 467
 468                         l = new Label();
 469                         l.Left = 10;
 470                         l.Top  = 12;
 471                         l.Visible = true;
 472                         p1 = new Point (10,10);
 473                         p2 = l.PointToScreen(p1);
 474                         p3 = l.PointToClient(p2);
 475
 476                         Assert.AreEqual (p1, p3, "SC1");
 477                 }
 478
 479                 [Test]
 480                 public void ContainsTest ()
 481                 {
 482                         Control t = new Control ();
 483                         Control s = new Control ();
 484
 485                         t.Controls.Add (s);
 486
 487                         Assert.AreEqual (true, t.Contains (s), "Con1");
 488                         Assert.AreEqual (false, s.Contains (t), "Con2");
 489                         Assert.AreEqual (false, s.Contains (null), "Con3");
 490                         Assert.AreEqual (false, t.Contains (new Control ()), "Con4");
 491                 }
 492
 493                 [Test]
 494                 public void CreateHandleTest ()
 495                 {
 496                         Control parent;
 497                         Control child;
 498
 499                         parent = null;
 500                         child = null;
 501
 502                         try {
 503                                 parent = new Control ();
 504                                 child = new Control ();
 505
 506                                 parent.Visible = true;
 507                                 parent.Controls.Add (child);
 508
 509                                 Assert.IsFalse (parent.IsHandleCreated, "CH1");
 510                                 Assert.IsFalse (child.IsHandleCreated, "CH2");
 511
 512                                 parent.CreateControl ();
 513                                 Assert.IsNotNull (parent.Handle, "CH3");
 514                                 Assert.IsNotNull (child.Handle, "CH4");
 515                                 Assert.IsTrue (parent.IsHandleCreated, "CH5");
 516                                 Assert.IsTrue (child.IsHandleCreated, "CH6");
 517                         } finally {
 518                                 if (parent != null)
 519                                         parent.Dispose ();
 520                                 if (child != null)
 521                                         child.Dispose ();
 522                         }
 523
 524                         // Accessing Handle Property creates the handle
 525                         try {
 526                                 parent = new Control ();
 527                                 parent.Visible = true;
 528                                 child = new Control ();
 529                                 parent.Controls.Add (child);
 530                                 Assert.IsFalse (parent.IsHandleCreated, "CH7");
 531                                 Assert.IsFalse (child.IsHandleCreated, "CH8");
 532                                 Assert.IsNotNull (parent.Handle, "CH9");
 533                                 Assert.IsTrue (parent.IsHandleCreated, "CH10");
 534                                 Assert.IsTrue (child.IsHandleCreated, "CH11");
 535                         } finally {
 536                                 if (parent != null)
 537                                         parent.Dispose ();
 538                                 if (child != null)
 539                                         child.Dispose ();
 540                         }
 541                 }
 542
 543                 [Test]
 544                 public void CreateGraphicsTest ()
 545                 {
 546                         Graphics g = null;
 547                         Pen p = null;
 548
 549                         try {
 550                                 Control c = new Control ();
 551                                 c.SetBounds (0,0, 20, 20);
 552                                 g = c.CreateGraphics ();
 553                                 Assert.IsNotNull (g, "Graph1");
 554                         } finally {
 555                                 if (p != null)
 556                                         p.Dispose ();
 557                                 if (g != null)
 558                                         g.Dispose ();
 559                         }
 560                 }
 561
 562                 bool delegateCalled = false;
 563                 public delegate void TestDelegate ();
 564
 565                 [Test]
 566                 [ExpectedException(typeof(System.InvalidOperationException))]
 567                 public void InvokeException1 () {
 568                         Control c = new Control ();
 569                         IAsyncResult result;
 570
 571                         result = c.BeginInvoke (new TestDelegate (delegate_call));
 572                         c.EndInvoke (result);
 573                 }
 574
 575                 [Test]
 576                 [Ignore("Seems to hang")]
 577                 public void InvokeTest () {
 578                         Control c = null;
 579
 580                         try {
 581                                 c = new Control ();
 582                                 IAsyncResult result;
 583
 584                                 c.CreateControl ();
 585                                 result = c.BeginInvoke (new TestDelegate (delegate_call));
 586                                 c.EndInvoke (result);
 587                                 Assert.AreEqual (true, delegateCalled, "Invoke1");
 588                         } finally {
 589                                 if (c != null)
 590                                         c.Dispose ();
 591                         }
 592                 }
 593
 594                 public void delegate_call () {
 595                         delegateCalled = true;
 596                 }
 597
 598                 [Test]
 599                 public void FindFormTest () {
 600                         Form f = new Form ();
 601
 602                         f.Name = "form";
 603                         Control c = null;
 604
 605                         try {
 606                                 f.Controls.Add (c = new Control ());
 607                                 Assert.AreEqual (f.Name, c.FindForm ().Name, "Find1");
 608
 609                                 f.Controls.Remove (c);
 610
 611                                 GroupBox g = new GroupBox ();
 612                                 g.Name = "box";
 613                                 f.Controls.Add (g);
 614                                 g.Controls.Add (c);
 615
 616                                 Assert.AreEqual (f.Name, f.FindForm ().Name, "Find2");
 617
 618                                 g.Controls.Remove (c);
 619                                 Assert.IsNull(c.FindForm (), "Find3");
 620
 621                         } finally {
 622                                 if (c != null)
 623                                         c.Dispose ();
 624                                 if (f != null)
 625                                         f.Dispose ();
 626                         }
 627                 }
 628
 629                 [Test]
 630                 public void FocusTest ()
 631                 {
 632                         Form f = null;
 633                         Button c = null, d = null;
 634
 635                         try {
 636                                 f = new Form ();
 637                                 f.Visible = true;
 638                                 c = new Button ();
 639                                 c.Visible = true;
 640                                 f.Controls.Add (c);
 641
 642                                 d = new Button ();
 643                                 d.Visible = false;
 644                                 f.Controls.Add (d);
 645
 646                                 Assert.IsTrue (c.CanFocus, "Focus1");
 647                                 Assert.IsFalse (c.Focused, "Focus2");
 648                                 c.Focus ();
 649                                 Assert.IsTrue (c.Focused, "Focus3");
 650                                 d.Focus ();
 651                                 Assert.IsFalse (d.Focused, "Focus4");
 652
 653                                 d.Visible = true;
 654                                 d.Focus ();
 655                                 Assert.IsTrue (d.Focused, "Focus5");
 656                                 Assert.IsFalse (c.Focused, "Focus6");
 657
 658                                 c.Enabled = false;
 659                                 Assert.IsFalse (c.Focused, "Focus7");
 660                         } finally {
 661                                 if (f != null)
 662                                         f.Dispose ();
 663                                 if (c != null)
 664                                         c.Dispose ();
 665                                 if (d != null)
 666                                         d.Dispose ();
 667                         }
 668                 }
 669
 670                 [Test]
 671                 public void FromHandleTest ()
 672                 {
 673                         Control c1 = null;
 674                         Control c2 = null;
 675
 676                         try {
 677                                 c1 = new Control ();
 678                                 c2 = new Control ();
 679
 680                                 c1.Name = "parent";
 681                                 c2.Name = "child";
 682                                 c1.Controls.Add(c2);
 683
 684                                 // Handle
 685                                 Assert.AreEqual (c1.Name, Control.FromHandle (c1.Handle).Name, "Handle1");
 686                                 Assert.IsNull (Control.FromHandle (IntPtr.Zero), "Handle2");
 687
 688                                 // ChildHandle
 689                                 Assert.AreEqual (c1.Name, Control.FromChildHandle (c1.Handle).Name, "Handle3");
 690                                 Assert.IsNull (Control.FromChildHandle (IntPtr.Zero), "Handle4");
 691
 692
 693                         } finally {
 694                                 if (c1 != null)
 695                                         c1.Dispose ();
 696
 697                                 if (c2 != null)
 698                                         c2.Dispose ();
 699                         }
 700                 }
 701
 702                 [Test]
 703                 public void GetChildAtPointTest ()
 704                 {
 705                         Control c = null, d = null, e = null;
 706
 707                         try {
 708                                 c = new Control ();
 709                                 c.Name = "c1";
 710                                 c.SetBounds (0, 0, 100, 100);
 711
 712                                 d = new Control ();
 713                                 d.Name = "d1";
 714                                 d.SetBounds (10, 10, 40, 40);
 715                                 c.Controls.Add (d);
 716
 717                                 e = new Control ();
 718                                 e.Name = "e1";
 719                                 e.SetBounds (55, 55, 10, 10);
 720
 721                                 Control l = c.GetChildAtPoint (new Point (15, 15));
 722                                 Assert.AreEqual (d.Name, l.Name, "Child1");
 723                                 Assert.IsFalse (e.Name == l.Name, "Child2");
 724
 725                                 l = c.GetChildAtPoint (new Point (57, 57));
 726                                 Assert.IsNull (l, "Child3");
 727
 728                                 l = c.GetChildAtPoint (new Point (10, 10));
 729                                 Assert.AreEqual (d.Name, l.Name, "Child4");
 730
 731                                 // GetChildAtPointSkip is not implemented and the following test is breaking for Net_2_0 profile
 732 //                              #if NET_2_0
 733 //                                      c.Controls.Add (e);
 734 //                                      e.Visible = false;
 735 //                                      l = c.GetChildAtPoint (new Point (57, 57), GetChildAtPointSkip.Invisible);
 736 //                                      Assert.IsNull (l, "Child5");
 737
 738 //                                      e.Visible = true;
 739 //                                      l = c.GetChildAtPoint (new Point (57, 57), GetChildAtPointSkip.Invisible);
 740 //                                      Assert.AreSame (e.Name, l.Name, "Child6");
 741 //                              #endif // NET_2_0
 742                         } finally {
 743                                 if (c != null)
 744                                         c.Dispose ();
 745                                 if (d != null)
 746                                         d.Dispose ();
 747                         }
 748                 }
 749
 750
 751                 public class LayoutTestControl : Control {
 752                         public int LayoutCount;
 753
 754                         public LayoutTestControl () : base() {
 755                                 LayoutCount = 0;
 756                         }
 757
 758                         protected override void OnLayout(LayoutEventArgs levent) {
 759                                 LayoutCount++;
 760                                 base.OnLayout (levent);
 761                         }
 762                 }
 763
 764                 [Test]
 765                 public void LayoutTest() {
 766                         LayoutTestControl c;
 767
 768                         c = new LayoutTestControl();
 769
 770                         c.SuspendLayout();
 771                         c.SuspendLayout();
 772                         c.SuspendLayout();
 773                         c.SuspendLayout();
 774
 775                         c.ResumeLayout(true);
 776                         c.PerformLayout();
 777                         c.ResumeLayout(true);
 778                         c.PerformLayout();
 779                         c.ResumeLayout(true);
 780                         c.PerformLayout();
 781                         c.ResumeLayout(true);
 782                         c.PerformLayout();
 783                         c.ResumeLayout(true);
 784                         c.PerformLayout();
 785                         c.ResumeLayout(true);
 786                         c.PerformLayout();
 787                         c.ResumeLayout(true);
 788                         c.PerformLayout();
 789                         c.SuspendLayout();
 790                         c.PerformLayout();
 791
 792                         Assert.AreEqual(5, c.LayoutCount, "Layout Suspend/Resume locking does not bottom out at 0");
 793                 }
 794
 795                 [Test]
 796                 [ExpectedException(typeof(System.ArgumentException))]
 797                 public void TransparentBackgroundTest1() {
 798                         Control c;
 799
 800                         c = new Control();
 801                         c.BackColor = Color.Transparent;
 802                 }
 803
 804                 [Test]
 805                 public void TransparentBackgroundTest2() {
 806                         Panel   c;
 807
 808                         c = new Panel();
 809                         c.BackColor = Color.Transparent;
 810                         Assert.AreEqual(Color.Transparent, c.BackColor, "Transparent background not set");
 811                 }
 812
 813                 [Test]
 814                 public void TransparentBackgroundTest3() {
 815                         Control c;
 816
 817                         c = new Control();
 818                         c.BackColor = Color.Empty;
 819                         Assert.AreEqual(Control.DefaultBackColor, c.BackColor, "Setting empty color failed");
 820                 }
 821
 822                 [Test]
 823                 public void EnabledTest1() {
 824                         Control child;
 825                         Control parent;
 826                         Control grandma;
 827
 828                         grandma = new Control();
 829                         parent = new Control();
 830                         child = new Control();
 831
 832                         grandma.Controls.Add(parent);
 833                         parent.Controls.Add(child);
 834                         grandma.Enabled = false;
 835                         Assert.AreEqual(grandma.Enabled, child.Enabled, "Child did not inherit disabled state");
 836                 }
 837
 838                 int EnabledCalledCount = 0;
 839                 private void EnabledTest2EnabledChanged(object sender, EventArgs e) {
 840                         EnabledCalledCount++;
 841                 }
 842
 843                 [Test]
 844                 public void EnabledTest2() {
 845                         // Check nesting of enabled calls
 846                         // OnEnabled is not called for disabled child controls
 847                         Control child;
 848                         Control parent;
 849                         Control grandma;
 850
 851                         EnabledCalledCount = 0;
 852
 853                         grandma = new Control();
 854                         parent = new Control();
 855                         child = new Control();
 856                         child.EnabledChanged += new EventHandler(EnabledTest2EnabledChanged);
 857
 858                         grandma.Controls.Add(parent);
 859                         parent.Controls.Add(child);
 860                         grandma.Enabled = false;
 861
 862                         Assert.AreEqual(1, EnabledCalledCount, "Child Enabled Event not properly fired");
 863                         grandma.Enabled = true;
 864                         Assert.AreEqual(2, EnabledCalledCount, "Child Enabled Event not properly fired");
 865                         child.Enabled = false;
 866                         grandma.Enabled = false;
 867                         Assert.AreEqual(3, EnabledCalledCount, "Child Enabled Event not properly fired");
 868                 }
 869         }
 870 }