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

   1 //\r
   2 // Copyright (c) 2005 Novell, Inc.\r
   3 //\r
   4 // Authors:\r
   5 //      Ritvik Mayank (mritvik@novell.com)\r
   6 //\r
   7 \r
   8 using System;\r
   9 using System.Windows.Forms;\r
  10 using System.Drawing;\r
  11 using System.Threading;\r
  12 using System.Reflection;\r
  13 using System.Runtime.Remoting;\r
  14 \r
  15 using NUnit.Framework;\r
  16 \r
  17 [TestFixture]\r
  18 public class ControlTest\r
  19 {\r
  20         [Test]\r
  21         public void PubPropTest()\r
  22         {\r
  23             Control c = new Control();\r
  24             Assert.AreEqual(false, c.AccessibilityObject == null, "#1");\r
  25             Assert.AreEqual(false, c.AllowDrop , "#2");\r
  26             Assert.AreEqual(AnchorStyles.Top | AnchorStyles.Left, c.Anchor, "#4");\r
  27             Assert.AreEqual("Control", c.BackColor.Name , "#6");\r
  28             Assert.AreEqual(null, c.BindingContext, "#7");\r
  29             Assert.AreEqual(null, c.BackgroundImage, "#8");\r
  30             Assert.AreEqual(0, c.Bottom, "#10");\r
  31             //Assert.AreEqual (Rectangle (0,0, 100, 23) , c.Bounds , "#11");\r
  32             //Assert.AreEqual ( BoundsSpecified.X  , c.Bounds , "#11");\r
  33             Assert.AreEqual(false, c.CanFocus, "#12");\r
  34             Assert.AreEqual(true, c.CanSelect, "#13");\r
  35             Assert.AreEqual(false, c.Capture, "#14");\r
  36             Assert.AreEqual(true, c.CausesValidation, "#15");\r
  37             //Assert.AreEqual (false , c.ClientRectangle , "#16");\r
  38             //Assert.AreEqual (false , c.ClientSize , "#17");\r
  39             // Assert.AreEqual("Mono Project, Novell, Inc.", c.CompanyName, "#18");\r
  40             Assert.AreEqual(null, c.Container, "#19");\r
  41             Assert.AreEqual(false, c.ContainsFocus, "#20");\r
  42             Assert.AreEqual(null, c.ContextMenu, "#21");\r
  43             //Assert.AreEqual (Control+ControlCollection , c.Controls, "#22");\r
  44             Assert.AreEqual(true, c.Created, "#23");\r
  45             Assert.AreEqual(Cursors.Default, c.Cursor, "#24");\r
  46             Assert.AreEqual(false, c.DataBindings == null, "#25");\r
  47             //Assert.AreEqual(false, c.DefaultBackColor, "#25a");\r
  48             //Assert.AreEqual(false, c.DefaultForeColor == null, "#25b");\r
  49             //Assert.AreEqual(false, c.DefaultFont == null, "#25c");\r
  50             //Assert.AreEqual (false , c.DisplayRectangle , "#26");\r
  51             //<{X=0,Y=0,Width=100,Height=23}>\r
  52             Assert.AreEqual(false, c.Disposing, "#27");\r
  53             Assert.AreEqual(DockStyle.None, c.Dock, "#28");\r
  54             Assert.AreEqual(true, c.Enabled, "#29");\r
  55             Assert.AreEqual(false, c.Focused, "#31");\r
  56             //Assert.AreEqual(FontFamily.GenericSansSerif, c.Font, "#32");\r
  57             Assert.AreEqual(SystemColors.ControlText, c.ForeColor, "#33");\r
  58             //Assert.AreEqual (IWin32Window.Handle , c.Handle, "#34");\r
  59             Assert.AreEqual(false, c.HasChildren, "#35");\r
  60             Assert.AreEqual(0, c.Height, "#36");\r
  61             //Assert.AreEqual (false , c.ImeMode, "#41");\r
  62             Assert.AreEqual(false, c.InvokeRequired, "#42");\r
  63             Assert.AreEqual(false, c.IsAccessible, "#43");\r
  64             Assert.AreEqual(false, c.IsDisposed, "#44");\r
  65             Assert.AreEqual(true, c.IsHandleCreated, "#45");\r
  66             Assert.AreEqual(0, c.Left, "#46");\r
  67             Assert.AreEqual(Point.Empty, c.Location, "#47");\r
  68             //Assert.AreEqual(Point.Empty, c.ModifierKeys, "#47a");\r
  69             //Assert.AreEqual(Point.Empty, c.MousePosition, "#47b");\r
  70             //Assert.AreEqual(Point.Empty, c.MouseButtons, "#47c");\r
  71             Assert.AreEqual("", c.Name, "#48");\r
  72             Assert.AreEqual(null, c.Parent, "#49");\r
  73             //Assert.AreEqual("Novell Mono MWF", c.ProductName, "#52");\r
  74             Assert.AreEqual("1.1.4322.573", c.ProductVersion, "#53");\r
  75             Assert.AreEqual(false, c.RecreatingHandle, "#54");\r
  76             Assert.AreEqual(null, c.Region, "#55");\r
  77             Assert.AreEqual(0, c.Right, "#56");\r
  78             Assert.AreEqual(RightToLeft.No, c.RightToLeft, "#57");\r
  79             Assert.AreEqual(null, c.Site, "#58");\r
  80             //Assert.AreEqual (false , c.Size, "#59");\r
  81             //Assert.AreEqual(true , c.TabIndex , "#60");\r
  82             //true , 0\r
  83             Assert.AreEqual(true, c.TabStop, "#60a");\r
  84             Assert.AreEqual(null, c.Tag, "#61");\r
  85             Assert.AreEqual("", c.Text, "#62");\r
  86             Assert.AreEqual(0, c.Top, "#64");\r
  87             Assert.AreEqual(null, c.TopLevelControl, "#65");\r
  88             Assert.AreEqual(true, c.Visible, "#67");\r
  89             Assert.AreEqual(0, c.Width, "#68");\r
  90                 \r
  91         }\r
  92     \r
  93         [Test]\r
  94         public void PubMethodTest2()\r
  95         {\r
  96            Control C1 = new Control();\r
  97            Control ctl = new Control();\r
  98            C1.Show() ;\r
  99            Assert.AreEqual(true , C1.Visible , "#69");\r
 100            Assert.AreEqual(false, C1.Contains(ctl) , "#70");\r
 101            Assert.AreEqual("System.Windows.Forms.Control", C1.ToString() , "#71");\r
 102         \r
 103           //C1.Update ();\r
 104           //Assert.AreEqual(false, C1 , "#70");\r
 105           //Causes the control to redraw the invalidated regions within its client area.\r
 106         \r
 107           C1.Anchor = AnchorStyles.Top;\r
 108           C1.SuspendLayout ();\r
 109           C1.Anchor = AnchorStyles.Left ;\r
 110           C1.ResumeLayout ();\r
 111           Assert.AreEqual(AnchorStyles.Left , C1.Anchor, "#73");\r
 112         \r
 113           C1.SetBounds(10, 20, 30, 40) ;\r
 114           Assert.AreEqual( 20 ,C1.Bounds.Top , "#74a");\r
 115           Assert.AreEqual( 10 ,C1.Bounds.Left , "#74b");\r
 116           Assert.AreEqual( 30 ,C1.Bounds.Width , "#74c");\r
 117           Assert.AreEqual( 40 ,C1.Bounds.Height , "#74d");\r
 118         \r
 119           //C1.SendToBack() ;\r
 120           //Assert.AreEqual( false , C1.Bounds , "#75");\r
 121         \r
 122         }\r
 123 \r
 124         [Test]\r
 125         public void PubMethodTest3()\r
 126         {\r
 127            Control B = new Control();\r
 128            //Form frm = new Form.ControlNativeWindow() ;\r
 129            //B.SelectNextControl(frm)  ;\r
 130            //Assert.AreEqual(true, B.TabStop , "#75");\r
 131            //LayoutEventArgs l = LayoutEventArgs ();\r
 132            //Layout L1 = B.PerformLayout(l) ;\r
 133            //Anchor = AnchorStyles.Bottom\r
 134            B.SuspendLayout() ;\r
 135            B.Size = Size.Empty ;\r
 136            B.Location = Point.Empty;\r
 137            B.Anchor = AnchorStyles.Bottom;\r
 138            B.Dock = DockStyle.Left;\r
 139            B.ResumeLayout() ;\r
 140            //Assert.AreEqual(false, B.Size , "#75a");\r
 141            //Assert.AreEqual(false, B.Location , "#75b");\r
 142            Assert.AreEqual(AnchorStyles.Top | AnchorStyles.Left , B.Anchor , "#75c");\r
 143            Assert.AreEqual(DockStyle.None , B.Dock , "#75d");\r
 144         \r
 145         }\r
 146     \r
 147         [Test]\r
 148         public void PubMethodTest4()\r
 149         {\r
 150            Control s1 = new Control();\r
 151            Control s2 = new Control();\r
 152            s1.Text = "abc";\r
 153            s2.Text = "abc";\r
 154            Assert.AreEqual(false, s1.Equals(s2), "#76");\r
 155            Assert.AreEqual(true, s1.Equals(s1), "#77");\r
 156         }\r
 157         [Test]\r
 158         public void PubMethodTest5()\r
 159         {\r
 160            Control r1 = new Control();\r
 161            r1.Width = 40;\r
 162            r1.Height = 20;\r
 163            r1.Scale(2);\r
 164            Assert.AreEqual(80, r1.Width, "#78");\r
 165            Assert.AreEqual(40, r1.Height, "#79");\r
 166         }\r
 167     \r
 168         [Test]\r
 169         public void PubMethodTest6()\r
 170         {\r
 171            Control r1 = new Control();\r
 172            r1.Text = "Hi" ;\r
 173            r1.ResetText();\r
 174            Assert.AreEqual("" , r1.Text , "#80");\r
 175         }\r
 176     \r
 177         [Test]\r
 178         public void PubMethodTest7()\r
 179         {\r
 180            Control r1 = new Control();\r
 181            r1.RightToLeft = RightToLeft.Yes ;\r
 182            r1.ResetRightToLeft() ;\r
 183            Assert.AreEqual(RightToLeft.No , r1.RightToLeft , "#81");\r
 184            r1.ImeMode = ImeMode.Off ;\r
 185            r1.ResetImeMode () ;\r
 186            Assert.AreEqual(ImeMode.NoControl , r1.ImeMode , "#82");\r
 187            r1.ForeColor= SystemColors.GrayText ;\r
 188            r1.ResetForeColor() ;\r
 189            Assert.AreEqual(SystemColors.ControlText , r1.ForeColor , "#83");\r
 190            //r1.Font = Font.FromHdc();\r
 191            r1.ResetFont () ;\r
 192            //Assert.AreEqual(FontFamily.GenericSansSerif , r1.Font , "#83");\r
 193            r1.Cursor = Cursors.Hand ;\r
 194            r1.ResetCursor () ;\r
 195            Assert.AreEqual(Cursors.Default , r1.Cursor , "#83");\r
 196            //r1.DataBindings = System.Windows.Forms.Binding ;\r
 197            //r1.ResetBindings() ;\r
 198            //Assert.AreEqual(ControlBindingsCollection , r1.DataBindings  , "#83");\r
 199            r1.BackColor = System.Drawing.Color.Black ;\r
 200            r1.ResetBackColor() ;\r
 201            Assert.AreEqual( SystemColors.Control , r1.BackColor  , "#84");\r
 202            r1.BackColor = System.Drawing.Color.Black ;\r
 203            r1.Refresh() ;\r
 204            Assert.AreEqual( null , r1.Region , "#85");\r
 205            Rectangle M = new Rectangle(10, 20, 30 ,40);\r
 206            r1.RectangleToScreen(M) ;\r
 207            Assert.AreEqual( null , r1.Region , "#86");\r
 208     \r
 209         }\r
 210     \r
 211         [Test]\r
 212         public void PubMethodTest8()\r
 213         {\r
 214            Label N = new Label();\r
 215            N.Left = 10;\r
 216            N.Top  = 12;\r
 217            N.Visible = true;\r
 218            Point p = new Point (10,10);\r
 219            Point p1 = N.PointToScreen(p) ;\r
 220            Point p2 = N.PointToClient (p1);\r
 221            Assert.AreEqual (p, p2, "#1 converting client->screen->client should not loose data");\r
 222 \r
 223         }\r
 224     \r
 225         [Test]\r
 226         public void ContainsTest ()\r
 227         {\r
 228             Control t = new Control ();\r
 229             Control s = new Control ();\r
 230             t.Controls.Add (s);\r
 231 \r
 232             Assert.AreEqual (true, t.Contains (s), "#1 should contain");\r
 233             Assert.AreEqual (false, s.Contains (t), "#2 should not contain");\r
 234             Assert.AreEqual (false, s.Contains (null), "#3 should not contain");\r
 235             Assert.AreEqual (false, t.Contains (new Control ()), "#4 should not contain");\r
 236         }\r
 237 \r
 238         [Test]\r
 239         public void CreateHandleTest ()\r
 240         {\r
 241             Control parent = null, child = null;\r
 242             try {\r
 243                 parent = new Control ();\r
 244                 parent.Visible = true;\r
 245                 child = new Control ();\r
 246                 parent.Controls.Add (child);\r
 247 \r
 248                 Assert.IsFalse (parent.IsHandleCreated, "#1 handle should not be created while ctor");\r
 249                 Assert.IsFalse (child.IsHandleCreated, "#2 handle should not be created while ctor");\r
 250 \r
 251                 parent.CreateControl ();\r
 252                 Assert.IsNotNull (parent.Handle, "#3 should create a handle");\r
 253                 Assert.IsNotNull (child.Handle, "#4 should create a handle");\r
 254                 Assert.IsTrue (parent.IsHandleCreated, "#5 should have created handle");\r
 255                 Assert.IsTrue (child.IsHandleCreated, "#6 should have created handle");\r
 256             } finally {\r
 257                 if (parent != null)\r
 258                     parent.Dispose ();\r
 259                 if (child != null)\r
 260                     child.Dispose ();\r
 261             }\r
 262 \r
 263             // Accessing Handle Property creates the handle\r
 264             try {\r
 265                 parent = new Control ();\r
 266                 parent.Visible = true;\r
 267                 child = new Control ();\r
 268                 parent.Controls.Add (child);\r
 269                 Assert.IsFalse (parent.IsHandleCreated, "#7 handle is not created while ctor");\r
 270                 Assert.IsFalse (child.IsHandleCreated, "#8 handle is not created while ctor");\r
 271                 Assert.IsNotNull (parent.Handle, "#9 should create a handle");\r
 272                 Assert.IsTrue (parent.IsHandleCreated, "#10 should have created handle");\r
 273                 Assert.IsTrue (child.IsHandleCreated, "#11 should have created handle");\r
 274             } finally {\r
 275                 if (parent != null)\r
 276                     parent.Dispose ();\r
 277                 if (child != null)\r
 278                     child.Dispose ();\r
 279             }\r
 280         }\r
 281 \r
 282         [Test]\r
 283         public void CreateGraphicsTest ()\r
 284         {\r
 285             Graphics g = null;\r
 286             Pen p = null;\r
 287             try {\r
 288                 Control c = new Control ();\r
 289                 c.SetBounds (0,0, 20, 20);\r
 290                 g = c.CreateGraphics ();\r
 291                 Assert.IsNotNull (g, "#1 should create a graphics object");\r
 292                 g.DrawLine (p = new Pen (Color.Red), 10, 10, 20, 20);\r
 293             } finally {\r
 294                 if (p != null)\r
 295                     p.Dispose ();\r
 296                 if (g != null)\r
 297                     g.Dispose ();\r
 298             }\r
 299         }\r
 300 \r
 301         bool delegateCalled = false;\r
 302         public delegate void TestDelegate ();\r
 303 \r
 304         [Test]\r
 305         public void InvokeTest ()\r
 306         {\r
 307             Control c = null;\r
 308             try {\r
 309                 c = new Control ();\r
 310                 IAsyncResult result;\r
 311                 try {\r
 312                     result = c.BeginInvoke (new TestDelegate (delegate_call));\r
 313                     c.EndInvoke (result);\r
 314                     Assert.Fail ("#1 should not invoke without window handle");\r
 315                 } catch (InvalidOperationException) { }\r
 316                 c.CreateControl ();\r
 317                 result = c.BeginInvoke (new TestDelegate (delegate_call));\r
 318                 c.EndInvoke (result);\r
 319 \r
 320                 Assert.IsTrue (delegateCalled, "#1 value should have been set to true");\r
 321             } finally {\r
 322                 if (c != null)\r
 323                     c.Dispose ();\r
 324             }\r
 325         }\r
 326 \r
 327         public void delegate_call ()\r
 328         {\r
 329             delegateCalled = true;\r
 330         }\r
 331 \r
 332         [Test]\r
 333         public void FindFormTest ()\r
 334         {\r
 335             Form f = new Form ();\r
 336             f.Name = "form";\r
 337             Control c = null;\r
 338             try {\r
 339                 f.Controls.Add (c = new Control ());\r
 340                 Assert.AreEqual (f.Name, c.FindForm ().Name, "#1 should find the parent form");\r
 341 \r
 342                 f.Controls.Remove (c);\r
 343 \r
 344                 GroupBox g = new GroupBox ();\r
 345                 g.Name = "box";\r
 346                 f.Controls.Add (g);\r
 347                 g.Controls.Add (c);\r
 348 \r
 349                 Assert.AreEqual (f.Name, f.FindForm ().Name, "#2 still should find the form");\r
 350 \r
 351                 g.Controls.Remove (c);\r
 352                 Assert.IsNull(c.FindForm (), "#3 should be null");\r
 353 \r
 354             } finally {\r
 355                 if (c != null)\r
 356                     c.Dispose ();\r
 357                 if (f != null)\r
 358                     f.Dispose ();\r
 359             }\r
 360         }\r
 361 \r
 362         [Test]\r
 363         public void FocusTest ()\r
 364         {\r
 365             Form f = null;\r
 366             Button c = null, d = null;\r
 367             try {\r
 368                 f = new Form ();\r
 369                 f.Visible = true;\r
 370                 c = new Button ();\r
 371                 c.Visible = true;\r
 372                 f.Controls.Add (c);\r
 373                 \r
 374                 d = new Button ();\r
 375                 d.Visible = false;\r
 376                 f.Controls.Add (d);\r
 377                 \r
 378                 Assert.IsTrue (c.CanFocus, "#1 button should be able to be focused");\r
 379                 Assert.IsFalse (c.Focused, "#2 button should not be focussed initially");\r
 380                 c.Focus ();\r
 381                 Assert.IsTrue (c.Focused, "#3 button should be focussed after Focus ()");\r
 382                 d.Focus ();\r
 383                 Assert.IsFalse (d.Focused, "#4 invisible button should not be focussed");\r
 384 \r
 385                 d.Visible = true;\r
 386                 d.Focus ();\r
 387                 Assert.IsTrue (d.Focused, "#5 button should be focussed after Focus () & visible");\r
 388                 Assert.IsFalse (c.Focused, "#6 button should lost focus");\r
 389 \r
 390                 c.Enabled = false;\r
 391                 Assert.IsFalse (c.Focused, "#7 disabled button should not be focused");\r
 392             } finally {\r
 393                 if (f != null)\r
 394                     f.Dispose ();\r
 395                 if (c != null)\r
 396                     c.Dispose ();\r
 397                 if (d != null)\r
 398                     d.Dispose ();\r
 399             }\r
 400         }\r
 401 \r
 402         [Test]\r
 403         public void FromChildHandleTest ()\r
 404         {\r
 405             // FIXME : how to make a control to have more than one handle?\r
 406             Control c = null;\r
 407             try {\r
 408                 c = new Control ();\r
 409                 c.Name = "hello";\r
 410                 IntPtr handle = c.Handle;\r
 411                 Assert.AreEqual (c.Name, Control.FromChildHandle (handle).Name, "#1 handle should be able to relate to control");\r
 412 \r
 413                 handle = IntPtr.Zero;\r
 414                 Assert.IsNull (Control.FromChildHandle (handle), "#2 should return null");\r
 415             } finally {\r
 416                 if (c != null)\r
 417                     c.Dispose ();\r
 418             }\r
 419         }\r
 420 \r
 421         [Test]\r
 422         public void FromHandleTest ()\r
 423         {\r
 424             Control c = null;\r
 425             try {\r
 426                 c = new Control ();\r
 427                 c.Name = "hello";\r
 428                 IntPtr handle = c.Handle;\r
 429                 Assert.AreEqual (c.Name, Control.FromHandle (handle).Name, "#1 handle should be able to relate to control");\r
 430 \r
 431                 handle = IntPtr.Zero;\r
 432                 Assert.IsNull (Control.FromHandle (handle), "#2 should return null");\r
 433             } finally {\r
 434                 if (c != null)\r
 435                     c.Dispose ();\r
 436             }\r
 437         }\r
 438 \r
 439         [Test]\r
 440         public void GetChildAtPointTest ()\r
 441         {\r
 442             Control c = null, d = null, e = null;\r
 443             try {\r
 444                 c = new Control ();\r
 445                 c.Name = "c1";\r
 446                 c.SetBounds (0, 0, 100, 100);\r
 447 \r
 448                 d = new Control ();\r
 449                 d.Name = "d1";\r
 450                 d.SetBounds (10, 10, 40, 40);\r
 451                 c.Controls.Add (d);\r
 452 \r
 453                 e = new Control ();\r
 454                 e.Name = "e1";\r
 455                 e.SetBounds (55, 55, 10, 10);\r
 456 \r
 457                 Control l = c.GetChildAtPoint (new Point (15, 15));\r
 458                 Assert.AreEqual (d.Name, l.Name, "#1 should return the cild");\r
 459                 Assert.IsFalse (e.Name == l.Name, "#2 e is not child of c");\r
 460 \r
 461                 l = c.GetChildAtPoint (new Point (57, 57));\r
 462                 Assert.IsNull (l, "#3 no control at 55");\r
 463 \r
 464                 l = c.GetChildAtPoint (new Point (10, 10));\r
 465                 Assert.AreEqual (d.Name, l.Name, "#4 should return the child even if it falls on border");\r
 466 \r
 467                 /* net 2.0 overload\r
 468 #if NET_2_0\r
 469                 c.Controls.Add (e);\r
 470                 e.Visible = false;\r
 471                 l = c.GetChildAtPoint (new Point (57, 57), GetChildAtPointSkip.Invisible);\r
 472                 Assert.IsNull (l, "#4 should ignore of type invisible");\r
 473 \r
 474                 e.Visible = true;\r
 475                 l = c.GetChildAtPoint (new Point (57, 57), GetChildAtPointSkip.Invisible);\r
 476                 Assert.AreSame (e.Name, l.Name, "#4 should show visible controls");\r
 477 #endif // NET_2_0                 \r
 478                  */\r
 479             } finally {\r
 480                 if (c != null)\r
 481                     c.Dispose ();\r
 482                 if (d != null)\r
 483                     d.Dispose ();\r
 484             }\r
 485         }\r
 486 \r
 487    }\r