mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/TextBoxTest.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.Drawing;
  10 using System.Reflection;
  11 using System.Windows.Forms;
  12
  13 using NUnit.Framework;
  14
  15 namespace MonoTests.System.Windows.Forms
  16 {
  17         [TestFixture]
  18         public class TextBoxTest
  19         {
  20                 TextBox textBox;
  21                 int _invalidated;
  22                 int _paint;
  23
  24                 [SetUp]
  25                 public void SetUp()
  26                 {
  27                         textBox = new TextBox();
  28                         textBox.Invalidated += new InvalidateEventHandler (TextBox_Invalidated);
  29                         textBox.Paint += new PaintEventHandler (TextBox_Paint);
  30                         Reset ();
  31                 }
  32
  33                 [Test]
  34                 [Category ("NotWorking")]
  35                 public void TextBoxBasePropertyTest ()
  36                 {
  37                         Assert.AreEqual (false, textBox.AcceptsTab, "#1a");
  38                         textBox.Multiline = true;
  39                         textBox.AcceptsTab = true;
  40                         //      SendKeys.SendWait ("^%");
  41                         Assert.AreEqual (true, textBox.AcceptsTab, "#1b");
  42                         Assert.AreEqual (true, textBox.AutoSize, "#2");
  43                         Assert.AreEqual (null, textBox.BackgroundImage, "#4a");
  44                         string gif = "M.gif";
  45                         textBox.BackgroundImage = Image.FromFile (gif);
  46                         // comparing image objects fails on MS .Net so using Size property
  47                         Assert.AreEqual (Image.FromFile(gif, true).Size, textBox.BackgroundImage.Size, "#4b");
  48
  49                         Assert.AreEqual (BorderStyle.Fixed3D, textBox.BorderStyle, "#5");
  50                         Assert.AreEqual (false, textBox.CanUndo, "#6a");
  51
  52                         Clipboard.SetDataObject ("TEST");
  53                         textBox.Paste ();
  54                         Assert.AreEqual (true, textBox.CanUndo, "#6b");
  55                         textBox.Undo ();
  56                         textBox.ClearUndo ();
  57                         Assert.AreEqual (false, textBox.CanUndo, "#6c");
  58
  59                         Assert.AreEqual (true, textBox.HideSelection, "#8");
  60                         Assert.AreEqual (1, textBox.Lines.Length, "#9");
  61                         Assert.AreEqual (32767, textBox.MaxLength, "#10");
  62                         Assert.AreEqual (true, textBox.Modified, "#11");
  63                         Assert.AreEqual (true, textBox.Multiline, "#12a");
  64                         textBox.WordWrap = false;
  65                         Assert.AreEqual (true, textBox.Multiline, "#12b");
  66                         textBox.AcceptsReturn = true;
  67                         Assert.AreEqual (true, textBox.Multiline, "#12c");
  68                         Assert.AreEqual (20, textBox.PreferredHeight, "#13");
  69                         Assert.AreEqual (false, textBox.ReadOnly, "#14");
  70                         Assert.AreEqual ("", textBox.SelectedText, "#15");
  71                         textBox.Text = "sample TextBox";
  72                         Assert.AreEqual (0, textBox.SelectionLength, "#16b");
  73                         Assert.AreEqual (0, textBox.SelectionStart, "#17");
  74                         textBox.WordWrap = false;
  75                         textBox.AcceptsReturn = true;
  76                         Assert.AreEqual ("sample TextBox", textBox.Text, "#18");
  77                         Assert.AreEqual (14, textBox.TextLength, "#19");
  78                         Assert.AreEqual (false, textBox.WordWrap, "#20");
  79                 }
  80
  81                 [Test]
  82                 public void TextBoxPropertyTest ()
  83                 {
  84                         Assert.AreEqual (false, textBox.AcceptsReturn, "#21");
  85                         Assert.AreEqual (CharacterCasing.Normal, textBox.CharacterCasing, "#22");
  86                         Assert.AreEqual ('\0', textBox.PasswordChar, "#23");
  87                         textBox.PasswordChar = '*';
  88                         Assert.AreEqual ('*', textBox.PasswordChar, "#23b");
  89                         Assert.AreEqual (ScrollBars.None, textBox.ScrollBars, "#24");
  90                         Assert.AreEqual (-1, textBox.SelectionLength, "#25");
  91                         Assert.AreEqual (HorizontalAlignment.Left , textBox.TextAlign, "#26");
  92 #if NET_2_0
  93                         Assert.AreEqual (true, textBox.AutoCompleteCustomSource != null, "#27");
  94                         Assert.AreEqual (AutoCompleteMode.None, textBox.AutoCompleteMode, "#28");
  95                         Assert.AreEqual (AutoCompleteSource.None, textBox.AutoCompleteSource, "#29");
  96
  97                         textBox.AutoCompleteCustomSource = null;
  98                         Assert.AreEqual (true, textBox.AutoCompleteCustomSource != null, "#30");
  99 #endif
 100                 }
 101
 102 #if NET_2_0
 103                 [Test]
 104                 public void UseSystemPasswordCharDefault()
 105                 {
 106                         Assert.IsFalse(textBox.UseSystemPasswordChar);
 107                 }
 108
 109                 [Test]
 110                 public void UseSystemPasswordCharOverridesPasswordChar()
 111                 {
 112                         textBox.PasswordChar = '!';
 113                         textBox.UseSystemPasswordChar = true;
 114                         Assert.AreEqual('*', textBox.PasswordChar);
 115                 }
 116 #endif
 117
 118                 [Test]
 119                 public void AppendTextTest ()
 120                 {
 121                         Form f = new Form ();
 122                         f.ShowInTaskbar = false;
 123                         f.Visible = true;
 124                         textBox.Visible = true;
 125                         textBox.Text = "TextBox1";
 126                         TextBox textBox2 = new TextBox ();
 127                         textBox2.Visible = true;
 128                         f.Controls.Add (textBox);
 129                         f.Controls.Add (textBox2);
 130                         textBox2.AppendText (textBox.Text);
 131                         Assert.AreEqual ("TextBox1", textBox2.Text, "#27");
 132                         f.Dispose ();
 133                 }
 134
 135                 [Test]
 136                 public void AppendTextTest2 ()
 137                 {
 138                         TextBox textBox2 = new TextBox ();
 139                         textBox2.AppendText ("hi");
 140                         textBox2.AppendText ("ho");
 141                         Assert.AreEqual ("hiho", textBox2.Text, "#1");
 142                         Assert.IsNotNull (textBox2.Lines, "#2");
 143                         Assert.AreEqual (1, textBox2.Lines.Length, "#3");
 144                         Assert.AreEqual ("hiho", textBox2.Lines [0], "#4");
 145                 }
 146
 147                 [Test]
 148                 public void AppendText_Multiline_CRLF ()
 149                 {
 150                         TextBox textBox = new TextBox ();
 151                         textBox.Text = "ha";
 152                         textBox.AppendText ("hi\r\n\r\n");
 153                         textBox.AppendText ("ho\r\n");
 154                         Assert.AreEqual ("hahi\r\n\r\nho\r\n", textBox.Text, "#A1");
 155                         Assert.IsNotNull (textBox.Lines, "#A2");
 156                         Assert.AreEqual (4, textBox.Lines.Length, "#A3");
 157                         Assert.AreEqual ("hahi", textBox.Lines [0], "#A4");
 158                         Assert.AreEqual (string.Empty, textBox.Lines [1], "#A5");
 159                         Assert.AreEqual ("ho", textBox.Lines [2], "#A6");
 160                         Assert.AreEqual (string.Empty, textBox.Lines [3], "#A7");
 161
 162                         textBox.Multiline = true;
 163
 164                         textBox.Text = "ha";
 165                         textBox.AppendText ("hi\r\n\r\n");
 166                         textBox.AppendText ("ho\r\n");
 167                         Assert.AreEqual ("hahi\r\n\r\nho\r\n", textBox.Text, "#B1");
 168                         Assert.IsNotNull (textBox.Lines, "#B2");
 169                         Assert.AreEqual (4, textBox.Lines.Length, "#B3");
 170                         Assert.AreEqual ("hahi", textBox.Lines [0], "#B4");
 171                         Assert.AreEqual (string.Empty, textBox.Lines [1], "#B5");
 172                         Assert.AreEqual ("ho", textBox.Lines [2], "#B6");
 173                         Assert.AreEqual (string.Empty, textBox.Lines [3], "#B7");
 174                 }
 175
 176                 [Test]
 177                 public void AppendText_Multiline_LF ()
 178                 {
 179                         TextBox textBox = new TextBox ();
 180
 181                         textBox.Text = "ha";
 182                         textBox.AppendText ("hi\n\n");
 183                         textBox.AppendText ("ho\n");
 184                         Assert.AreEqual ("hahi\n\nho\n", textBox.Text, "#A1");
 185                         Assert.IsNotNull (textBox.Lines, "#A2");
 186                         Assert.AreEqual (4, textBox.Lines.Length, "#A3");
 187                         Assert.AreEqual ("hahi", textBox.Lines [0], "#A4");
 188                         Assert.AreEqual (string.Empty, textBox.Lines [1], "#A5");
 189                         Assert.AreEqual ("ho", textBox.Lines [2], "#A6");
 190                         Assert.AreEqual (string.Empty, textBox.Lines [3], "#A7");
 191
 192                         textBox.Multiline = true;
 193
 194                         textBox.Text = "ha";
 195                         textBox.AppendText ("hi\n\n");
 196                         textBox.AppendText ("ho\n");
 197                         Assert.AreEqual ("hahi\n\nho\n", textBox.Text, "#B1");
 198                         Assert.IsNotNull (textBox.Lines, "#B2");
 199                         Assert.AreEqual (4, textBox.Lines.Length, "#B3");
 200                         Assert.AreEqual ("hahi", textBox.Lines [0], "#B4");
 201                         Assert.AreEqual (string.Empty, textBox.Lines [1], "#B5");
 202                         Assert.AreEqual ("ho", textBox.Lines [2], "#B6");
 203                         Assert.AreEqual (string.Empty, textBox.Lines [3], "#B7");
 204                 }
 205
 206                 [Test]
 207                 public void BackColorTest ()
 208                 {
 209                         Assert.AreEqual (SystemColors.Window, textBox.BackColor, "#A1");
 210                         textBox.BackColor = Color.Red;
 211                         Assert.AreEqual (Color.Red, textBox.BackColor, "#A2");
 212                         textBox.BackColor = Color.White;
 213                         Assert.AreEqual (Color.White, textBox.BackColor, "#A3");
 214                         Assert.AreEqual (0, _invalidated, "#A4");
 215                         Assert.AreEqual (0, _paint, "#A5");
 216
 217                         Form form = new Form ();
 218                         form.ShowInTaskbar = false;
 219                         form.Controls.Add (textBox);
 220                         form.Show ();
 221
 222                         Assert.AreEqual (Color.White, textBox.BackColor, "#B1");
 223                         Assert.AreEqual (0, _invalidated, "#B2");
 224                         Assert.AreEqual (0, _paint, "#B3");
 225                         textBox.BackColor = Color.Red;
 226                         Assert.AreEqual (Color.Red, textBox.BackColor, "#B4");
 227                         Assert.AreEqual (1, _invalidated, "#B5");
 228                         Assert.AreEqual (0, _paint, "#B6");
 229                         textBox.BackColor = Color.Red;
 230                         Assert.AreEqual (Color.Red, textBox.BackColor, "#B7");
 231                         Assert.AreEqual (1, _invalidated, "#B8");
 232                         Assert.AreEqual (0, _paint, "#B9");
 233                         textBox.BackColor = Color.Blue;
 234                         Assert.AreEqual (Color.Blue, textBox.BackColor, "#B10");
 235                         Assert.AreEqual (2, _invalidated, "#B11");
 236                         Assert.AreEqual (0, _paint, "#B12");
 237                 }
 238
 239                 [Test]
 240                 public void ClearTest ()
 241                 {
 242                         textBox.Text = "TextBox1";
 243                         Assert.AreEqual ("TextBox1", textBox.Text, "#28a" );
 244                         textBox.Clear ();
 245                         Assert.AreEqual ("", textBox.Text, "#28b");
 246                 }
 247
 248                 [Test]
 249                 public void ClearUndoTest ()
 250                 {
 251                         textBox.Text = "TextBox1";
 252                         textBox.SelectionLength = 4;
 253                         textBox.Copy ();
 254                         Assert.AreEqual ("Text", textBox.SelectedText, "#29a");
 255                         textBox.Paste ();
 256                         Assert.AreEqual (true, textBox.CanUndo, "#29b");
 257                         textBox.ClearUndo ();
 258                         Assert.AreEqual (false, textBox.CanUndo, "#29c");
 259                 }
 260
 261                 [Test] // bug #80163
 262                 public void ContextMenu ()
 263                 {
 264                         TextBox textBox = new TextBox ();
 265                         Assert.IsNull (textBox.ContextMenu);
 266                 }
 267
 268                 [Test]
 269                 public void CopyTest ()
 270                 {
 271                         textBox.Text = "ABCDE";
 272                         textBox.SelectionLength = 4;
 273                         textBox.Copy ();
 274                         Assert.AreEqual ("ABCD", textBox.SelectedText, "#30");
 275                 }
 276
 277                 [Test]
 278                 public void CutTest ()
 279                 {
 280                         textBox.Text = "ABCDE";
 281                         textBox.SelectionLength = 4;
 282                         textBox.Cut ();
 283                         Assert.AreEqual ("E", textBox.Text, "#31");
 284                 }
 285
 286                 [Test]
 287                 public void PasteTest ()
 288                 {
 289                         textBox.Text = "ABCDE";
 290                         textBox.SelectionLength = 4;
 291                         textBox.Copy ();
 292                         textBox.SelectionStart = textBox.SelectionStart + textBox.SelectionLength;
 293                         textBox.Paste ();
 294                         Assert.AreEqual ("ABCDABCD", textBox.Text, "#32");
 295                 }
 296
 297                 [Test] // bug #80301
 298                 [Ignore ("Depends on specific DPI")]
 299                 public void PreferredHeight ()
 300                 {
 301                         textBox.Font = new Font ("Arial", 14);
 302                         Assert.AreEqual (29, textBox.PreferredHeight, "#A1");
 303                         textBox.Font = new Font ("Arial", 16);
 304                         Assert.AreEqual (32, textBox.PreferredHeight, "#A2");
 305                         textBox.Font = new Font ("Arial", 17);
 306                         Assert.AreEqual (34, textBox.PreferredHeight, "#A3");
 307
 308                         textBox.BorderStyle = BorderStyle.None;
 309
 310                         Assert.AreEqual (27, textBox.PreferredHeight, "#B1");
 311                         textBox.Font = new Font ("Arial", 14);
 312                         Assert.AreEqual (22, textBox.PreferredHeight, "#B2");
 313                         textBox.Font = new Font ("Arial", 16);
 314                         Assert.AreEqual (25, textBox.PreferredHeight, "#B3");
 315                 }
 316
 317                 [Test]
 318                 public void SelectTest ()
 319                 {
 320                         textBox.Text = "This is a sample test.";
 321                         textBox.Select (0, 4);
 322                         Assert.AreEqual ("This", textBox.SelectedText, "#33");
 323                 }
 324
 325                 [Test]
 326                 public void SelectAllTest ()
 327                 {
 328                         textBox.Text = "This is a sample test.";
 329                         textBox.SelectAll ();
 330                         Assert.AreEqual ("This is a sample test.", textBox.SelectedText, "#34");
 331                 }
 332
 333                 [Test]
 334                 public void FocusSelectsAllTest ()
 335                 {
 336                         textBox.Text = "This is a sample test.";
 337                         textBox.CreateControl ();
 338                         textBox.Focus ();
 339                         Assert.AreEqual ("This is a sample test.", textBox.SelectedText, "#34");
 340                 }
 341
 342                 [Test]
 343                 [Category ("NotWorking")]
 344                 public void ForeColorTest ()
 345                 {
 346                         Assert.AreEqual (SystemColors.WindowText, textBox.ForeColor, "#A1");
 347                         textBox.ForeColor = Color.Red;
 348                         Assert.AreEqual (Color.Red, textBox.ForeColor, "#A2");
 349                         textBox.ForeColor = Color.White;
 350                         Assert.AreEqual (Color.White, textBox.ForeColor, "#A3");
 351                         Assert.AreEqual (0, _invalidated, "#A4");
 352                         Assert.AreEqual (0, _paint, "#A5");
 353
 354                         Form form = new Form ();
 355                         form.ShowInTaskbar = false;
 356                         form.Controls.Add (textBox);
 357                         form.Show ();
 358
 359                         Assert.AreEqual (Color.White, textBox.ForeColor, "#B1");
 360                         Assert.AreEqual (0, _invalidated, "#B2");
 361                         Assert.AreEqual (0, _paint, "#B3");
 362                         textBox.ForeColor = Color.Red;
 363                         Assert.AreEqual (Color.Red, textBox.ForeColor, "#B4");
 364                         Assert.AreEqual (1, _invalidated, "#B5");
 365                         Assert.AreEqual (0, _paint, "#B6");
 366                         textBox.ForeColor = Color.Red;
 367                         Assert.AreEqual (Color.Red, textBox.ForeColor, "#B7");
 368                         Assert.AreEqual (1, _invalidated, "#B8");
 369                         Assert.AreEqual (0, _paint, "#B9");
 370                         textBox.ForeColor = Color.Blue;
 371                         Assert.AreEqual (Color.Blue, textBox.ForeColor, "#B10");
 372                         Assert.AreEqual (2, _invalidated, "#B11");
 373                         Assert.AreEqual (0, _paint, "#B12");
 374                 }
 375
 376                 [Test]
 377                 public void ToStringTest ()
 378                 {
 379                         Assert.AreEqual ("System.Windows.Forms.TextBox, Text: ", textBox.ToString(), "#35");
 380                 }
 381
 382                 [Test]
 383                 public void UndoTest1 ()
 384                 {
 385                         textBox.Text = "ABCDE";
 386                         textBox.SelectionLength = 4;
 387                         textBox.Copy ();
 388                         textBox.SelectionStart = textBox.SelectionStart + textBox.SelectionLength;
 389                         textBox.Paste ();
 390                         Console.WriteLine ("pre paste text:  {0}", textBox.Text);
 391                         textBox.Undo ();
 392                         Assert.AreEqual ("ABCDE", textBox.Text, "#36");
 393                 }
 394
 395                 [Test] // bug #79851
 396                 public void WrappedText ()
 397                 {
 398                         string text = "blabla blablabalbalbalbalbalbal blabla blablabl bal " +
 399                                 "bal bla bal balajkdhfk dskfk ersd dsfjksdhf sdkfjshd f";
 400
 401                         textBox.Multiline = true;
 402                         textBox.Size = new Size (30, 168);
 403                         textBox.Text = text;
 404
 405                         Form form = new Form ();
 406                         form.Controls.Add (textBox);
 407                         form.ShowInTaskbar = false;
 408                         form.Show ();
 409
 410                         Assert.AreEqual (text, textBox.Text);
 411                 }
 412
 413                 [Test] // bug #79909
 414                 public void MultilineText ()
 415                 {
 416                         string text = "line1\n\nline2\nline3\r\nline4";
 417
 418                         textBox.Size = new Size (300, 168);
 419                         textBox.Text = text;
 420
 421                         Form form = new Form ();
 422                         form.Controls.Add (textBox);
 423                         form.ShowInTaskbar = false;
 424                         form.Show ();
 425
 426                         Assert.AreEqual (text, textBox.Text, "#1");
 427
 428                         text = "line1\n\nline2\nline3\r\nline4\rline5\r\n\nline6\n\n\nline7";
 429
 430                         textBox.Text = text;
 431
 432                         form.Visible = false;
 433                         form.Show ();
 434
 435                         Assert.AreEqual (text, textBox.Text, "#2");
 436                 }
 437
 438
 439                 [Test]
 440                 public void ModifiedTest ()
 441                 {
 442                         Assert.AreEqual (true, textBox.Modified, "modified-1");
 443
 444                         textBox.Modified = false;
 445                         Assert.AreEqual (false, textBox.Modified, "modified-2");
 446
 447                         textBox.Modified = true;
 448                         Assert.AreEqual (true, textBox.Modified, "modified-2");
 449
 450                         textBox.Text = "TEXT";
 451                         Assert.AreEqual (false, textBox.Modified, "modified-3");
 452                 }
 453
 454                 void TextBox_Invalidated (object sender, InvalidateEventArgs e)
 455                 {
 456                         _invalidated++;
 457                 }
 458
 459                 void TextBox_Paint (object sender, PaintEventArgs e)
 460                 {
 461                         _paint++;
 462                 }
 463
 464                 void Reset ()
 465                 {
 466                         _invalidated = 0;
 467                         _paint = 0;
 468                 }
 469         }
 470 }