mcs/class/System/Test/Microsoft.VisualBasic/CodeGeneratorFromNamespaceTest.cs

   1 //
   2 // Microsoft.VisualBasic.* Test Cases
   3 //
   4 // Authors:
   5 // Gert Driesen (drieseng@users.sourceforge.net)
   6 //
   7 // (c) 2006 Novell
   8 //
   9 using System;
  10 using System.CodeDom;
  11 using System.CodeDom.Compiler;
  12 using System.Globalization;
  13 using System.IO;
  14 using System.Text;
  15
  16 using NUnit.Framework;
  17
  18 namespace MonoTests.Microsoft.VisualBasic
  19 {
  20         /// <summary>
  21         /// Test ICodeGenerator's GenerateCodeFromNamespace, along with a
  22         /// minimal set CodeDom components.
  23         /// </summary>
  24         [TestFixture]
  25         public class CodeGeneratorFromNamespaceTest : CodeGeneratorTestBase
  26         {
  27                 CodeNamespace codeNamespace = null;
  28
  29                 [SetUp]
  30                 public void Init ()
  31                 {
  32                         InitBase ();
  33                         codeNamespace = new CodeNamespace ();
  34                 }
  35
  36                 protected override string Generate (CodeGeneratorOptions options)
  37                 {
  38                         StringWriter writer = new StringWriter ();
  39                         writer.NewLine = NewLine;
  40
  41                         generator.GenerateCodeFromNamespace (codeNamespace, writer, options);
  42                         writer.Close ();
  43                         return writer.ToString ();
  44                 }
  45
  46                 [Test]
  47                 [ExpectedException (typeof (NullReferenceException))]
  48                 public void NullNamespaceTest ()
  49                 {
  50                         codeNamespace = null;
  51                         Generate ();
  52                 }
  53
  54                 [Test]
  55                 public void NullNamespaceNameTest ()
  56                 {
  57                         codeNamespace.Name = null;
  58                         Assert.AreEqual ("\n", Generate ());
  59                 }
  60
  61
  62                 [Test]
  63                 public void DefaultNamespaceTest ()
  64                 {
  65                         Assert.AreEqual ("\n", Generate ());
  66                 }
  67
  68                 [Test]
  69                 public void SimpleNamespaceTest ()
  70                 {
  71                         codeNamespace.Name = "A";
  72                         Assert.AreEqual ("\nNamespace A\nEnd Namespace\n", Generate ());
  73                 }
  74
  75                 [Test]
  76                 public void InvalidNamespaceTest ()
  77                 {
  78                         codeNamespace.Name = "A,B";
  79                         Assert.AreEqual ("\nNamespace A,B\nEnd Namespace\n", Generate ());
  80                 }
  81
  82                 [Test]
  83                 public void CommentOnlyNamespaceTest ()
  84                 {
  85                         CodeCommentStatement comment = new CodeCommentStatement ("a");
  86                         codeNamespace.Comments.Add (comment);
  87                         Assert.AreEqual ("\n'a\n", Generate ());
  88                 }
  89
  90                 [Test]
  91                 public void ImportsTest ()
  92                 {
  93                         codeNamespace.Imports.Add (new CodeNamespaceImport ("System"));
  94                         codeNamespace.Imports.Add (new CodeNamespaceImport ("System.Collections"));
  95
  96                         Assert.AreEqual (string.Format(CultureInfo.InvariantCulture,
  97                                 "Imports System{0}" +
  98                                 "Imports System.Collections{0}" +
  99                                 "{0}", NewLine), Generate (), "#1");
 100
 101                         codeNamespace.Name = "A";
 102
 103                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 104                                 "Imports System{0}" +
 105                                 "Imports System.Collections{0}" +
 106                                 "{0}" +
 107                                 "Namespace A{0}" +
 108                                 "End Namespace{0}", NewLine), Generate (), "#2");
 109
 110                         codeNamespace.Name = null;
 111                         codeNamespace.Comments.Add (new CodeCommentStatement ("a"));
 112
 113                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 114                                 "Imports System{0}" +
 115                                 "Imports System.Collections{0}" +
 116                                 "{0}" +
 117                                 "'a{0}", NewLine), Generate (), "#3");
 118
 119                         codeNamespace.Name = "A";
 120
 121                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 122                                 "Imports System{0}" +
 123                                 "Imports System.Collections{0}" +
 124                                 "{0}" +
 125                                 "'a{0}" +
 126                                 "Namespace A{0}" +
 127                                 "End Namespace{0}", NewLine), Generate (), "#4");
 128                 }
 129
 130                 [Test]
 131                 public void TypeTest ()
 132                 {
 133                         codeNamespace.Types.Add (new CodeTypeDeclaration ("Person"));
 134                         Assert.AreEqual (string.Format(CultureInfo.InvariantCulture,
 135                                 "{0}" +
 136                                 "{0}" +
 137                                 "Public Class Person{0}" +
 138                                 "End Class{0}", NewLine), Generate (), "#A1");
 139
 140                         CodeGeneratorOptions options = new CodeGeneratorOptions ();
 141                         options.BlankLinesBetweenMembers = false;
 142                         Assert.AreEqual (string.Format(CultureInfo.InvariantCulture,
 143                                 "{0}" +
 144                                 "Public Class Person{0}" +
 145                                 "End Class{0}", NewLine), Generate (options), "#A2");
 146
 147                         codeNamespace.Name = "A";
 148                         Assert.AreEqual (string.Format(CultureInfo.InvariantCulture,
 149                                 "{0}" +
 150                                 "Namespace A{0}" +
 151                                 "    {0}" +
 152                                 "    Public Class Person{0}" +
 153                                 "    End Class{0}" +
 154                                 "End Namespace{0}", NewLine), Generate (), "#B1");
 155
 156                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 157                                 "{0}" +
 158                                 "Namespace A{0}" +
 159                                 "    Public Class Person{0}" +
 160                                 "    End Class{0}" +
 161                                 "End Namespace{0}", NewLine), Generate (options), "#B2");
 162                 }
 163
 164                 [Test]
 165                 public void Type_TypeParameters ()
 166                 {
 167                         codeNamespace.Name = "SomeNS";
 168
 169                         CodeTypeDeclaration type = new CodeTypeDeclaration ("SomeClass");
 170                         codeNamespace.Types.Add (type);
 171                         type.TypeParameters.Add (new CodeTypeParameter ("T"));
 172
 173                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 174                                 "{0}" +
 175                                 "Namespace SomeNS{0}" +
 176                                 "    {0}" +
 177                                 "    Public Class SomeClass(Of T){0}" +
 178                                 "    End Class{0}" +
 179                                 "End Namespace{0}", NewLine), Generate (), "#1");
 180
 181                         type.TypeParameters.Add (new CodeTypeParameter ("As"));
 182                         type.TypeParameters.Add (new CodeTypeParameter ("New"));
 183
 184                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 185                                 "{0}" +
 186                                 "Namespace SomeNS{0}" +
 187                                 "    {0}" +
 188                                 "    Public Class SomeClass(Of T, As, New){0}" +
 189                                 "    End Class{0}" +
 190                                 "End Namespace{0}", NewLine), Generate (), "#2");
 191
 192                         CodeTypeParameter typeParamR = new CodeTypeParameter ("R");
 193                         typeParamR.Constraints.Add (new CodeTypeReference (typeof (IComparable)));
 194                         type.TypeParameters.Add (typeParamR);
 195
 196                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 197                                 "{0}" +
 198                                 "Namespace SomeNS{0}" +
 199                                 "    {0}" +
 200                                 "    Public Class SomeClass(Of T, As, New, R As System.IComparable){0}" +
 201                                 "    End Class{0}" +
 202                                 "End Namespace{0}", NewLine), Generate (), "#3");
 203
 204                         type.TypeParameters.Add (new CodeTypeParameter ("S"));
 205
 206                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 207                                 "{0}" +
 208                                 "Namespace SomeNS{0}" +
 209                                 "    {0}" +
 210                                 "    Public Class SomeClass(Of T, As, New, R As System.IComparable, S){0}" +
 211                                 "    End Class{0}" +
 212                                 "End Namespace{0}", NewLine), Generate (), "#4");
 213                 }
 214
 215                 [Test]
 216                 public void Type_TypeParameters_Constraints ()
 217                 {
 218                         codeNamespace.Name = "SomeNS";
 219
 220                         CodeTypeDeclaration type = new CodeTypeDeclaration ("SomeClass");
 221                         codeNamespace.Types.Add (type);
 222
 223                         CodeTypeParameter typeParamT = new CodeTypeParameter ("T");
 224                         typeParamT.Constraints.Add (new CodeTypeReference (typeof (IComparable)));
 225                         type.TypeParameters.Add (typeParamT);
 226
 227                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 228                                 "{0}" +
 229                                 "Namespace SomeNS{0}" +
 230                                 "    {0}" +
 231                                 "    Public Class SomeClass(Of T As System.IComparable){0}" +
 232                                 "    End Class{0}" +
 233                                 "End Namespace{0}", NewLine), Generate (), "#1");
 234
 235                         typeParamT.Constraints.Add (new CodeTypeReference (typeof (ICloneable)));
 236
 237                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 238                                 "{0}" +
 239                                 "Namespace SomeNS{0}" +
 240                                 "    {0}" +
 241                                 "    Public Class SomeClass(Of T As  {{System.IComparable, System.ICloneable}}){0}" +
 242                                 "    End Class{0}" +
 243                                 "End Namespace{0}", NewLine), Generate (), "#2");
 244
 245                         typeParamT.HasConstructorConstraint = true;
 246
 247                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 248                                 "{0}" +
 249                                 "Namespace SomeNS{0}" +
 250                                 "    {0}" +
 251                                 "    Public Class SomeClass(Of T As  {{System.IComparable, System.ICloneable, New}}){0}" +
 252                                 "    End Class{0}" +
 253                                 "End Namespace{0}", NewLine), Generate (), "#3");
 254
 255                         CodeTypeParameter typeParamS = new CodeTypeParameter ("S");
 256                         typeParamS.Constraints.Add (new CodeTypeReference (typeof (IDisposable)));
 257                         type.TypeParameters.Add (typeParamS);
 258
 259                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 260                                 "{0}" +
 261                                 "Namespace SomeNS{0}" +
 262                                 "    {0}" +
 263                                 "    Public Class SomeClass(Of T As  {{System.IComparable, System.ICloneable, New}}, S As System.IDisposable){0}" +
 264                                 "    End Class{0}" +
 265                                 "End Namespace{0}", NewLine), Generate (), "#4");
 266
 267                         CodeTypeParameter typeParamR = new CodeTypeParameter ("R");
 268                         typeParamR.HasConstructorConstraint = true;
 269                         type.TypeParameters.Add (typeParamR);
 270
 271                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 272                                 "{0}" +
 273                                 "Namespace SomeNS{0}" +
 274                                 "    {0}" +
 275                                 "    Public Class SomeClass(Of T As  {{System.IComparable, System.ICloneable, New}}, S As System.IDisposable, R As New){0}" +
 276                                 "    End Class{0}" +
 277                                 "End Namespace{0}", NewLine), Generate (), "#5");
 278                 }
 279
 280                 [Test]
 281                 public void Type_TypeParameters_ConstructorConstraint ()
 282                 {
 283                         codeNamespace.Name = "SomeNS";
 284
 285                         CodeTypeDeclaration type = new CodeTypeDeclaration ("SomeClass");
 286                         codeNamespace.Types.Add (type);
 287
 288                         CodeTypeParameter typeParam = new CodeTypeParameter ("T");
 289                         typeParam.HasConstructorConstraint = true;
 290                         type.TypeParameters.Add (typeParam);
 291
 292                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 293                                 "{0}" +
 294                                 "Namespace SomeNS{0}" +
 295                                 "    {0}" +
 296                                 "    Public Class SomeClass(Of T As New){0}" +
 297                                 "    End Class{0}" +
 298                                 "End Namespace{0}", NewLine), Generate ());
 299                 }
 300
 301                 [Test]
 302                 public void Method_TypeParameters ()
 303                 {
 304                         codeNamespace.Name = "SomeNS";
 305
 306                         CodeTypeDeclaration type = new CodeTypeDeclaration ("SomeClass");
 307                         codeNamespace.Types.Add (type);
 308
 309                         CodeMemberMethod method = new CodeMemberMethod ();
 310                         method.Name = "SomeMethod";
 311                         type.Members.Add (method);
 312
 313                         method.TypeParameters.Add (new CodeTypeParameter ("T"));
 314
 315                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 316                                 "{0}" +
 317                                 "Namespace SomeNS{0}" +
 318                                 "    {0}" +
 319                                 "    Public Class SomeClass{0}" +
 320                                 "        {0}" +
 321                                 "        Private Sub SomeMethod(Of T)(){0}" +
 322                                 "        End Sub{0}" +
 323                                 "    End Class{0}" +
 324                                 "End Namespace{0}", NewLine), Generate (), "#1");
 325
 326                         method.TypeParameters.Add (new CodeTypeParameter ("As"));
 327                         method.TypeParameters.Add (new CodeTypeParameter ("New"));
 328
 329                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 330                                 "{0}" +
 331                                 "Namespace SomeNS{0}" +
 332                                 "    {0}" +
 333                                 "    Public Class SomeClass{0}" +
 334                                 "        {0}" +
 335                                 "        Private Sub SomeMethod(Of T, As, New)(){0}" +
 336                                 "        End Sub{0}" +
 337                                 "    End Class{0}" +
 338                                 "End Namespace{0}", NewLine), Generate (), "#2");
 339
 340                         CodeTypeParameter typeParamR = new CodeTypeParameter ("R");
 341                         typeParamR.Constraints.Add (new CodeTypeReference (typeof (IComparable)));
 342                         method.TypeParameters.Add (typeParamR);
 343
 344                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 345                                 "{0}" +
 346                                 "Namespace SomeNS{0}" +
 347                                 "    {0}" +
 348                                 "    Public Class SomeClass{0}" +
 349                                 "        {0}" +
 350                                 "        Private Sub SomeMethod(Of T, As, New, R As System.IComparable)(){0}" +
 351                                 "        End Sub{0}" +
 352                                 "    End Class{0}" +
 353                                 "End Namespace{0}", NewLine), Generate (), "#3");
 354
 355                         method.TypeParameters.Add (new CodeTypeParameter ("S"));
 356
 357                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 358                                 "{0}" +
 359                                 "Namespace SomeNS{0}" +
 360                                 "    {0}" +
 361                                 "    Public Class SomeClass{0}" +
 362                                 "        {0}" +
 363                                 "        Private Sub SomeMethod(Of T, As, New, R As System.IComparable, S)(){0}" +
 364                                 "        End Sub{0}" +
 365                                 "    End Class{0}" +
 366                                 "End Namespace{0}", NewLine), Generate (), "#4");
 367                 }
 368
 369                 [Test]
 370                 public void Method_TypeParameters_Constraints ()
 371                 {
 372                         codeNamespace.Name = "SomeNS";
 373
 374                         CodeTypeDeclaration type = new CodeTypeDeclaration ("SomeClass");
 375                         codeNamespace.Types.Add (type);
 376
 377                         CodeMemberMethod method = new CodeMemberMethod ();
 378                         method.Name = "SomeMethod";
 379                         type.Members.Add (method);
 380
 381                         CodeTypeParameter typeParamT = new CodeTypeParameter ("T");
 382                         typeParamT.Constraints.Add (new CodeTypeReference (typeof (IComparable)));
 383                         method.TypeParameters.Add (typeParamT);
 384
 385                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 386                                 "{0}" +
 387                                 "Namespace SomeNS{0}" +
 388                                 "    {0}" +
 389                                 "    Public Class SomeClass{0}" +
 390                                 "        {0}" +
 391                                 "        Private Sub SomeMethod(Of T As System.IComparable)(){0}" +
 392                                 "        End Sub{0}" +
 393                                 "    End Class{0}" +
 394                                 "End Namespace{0}", NewLine), Generate (), "#1");
 395
 396                         typeParamT.Constraints.Add (new CodeTypeReference (typeof (ICloneable)));
 397
 398                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 399                                 "{0}" +
 400                                 "Namespace SomeNS{0}" +
 401                                 "    {0}" +
 402                                 "    Public Class SomeClass{0}" +
 403                                 "        {0}" +
 404                                 "        Private Sub SomeMethod(Of T As  {{System.IComparable, System.ICloneable}})(){0}" +
 405                                 "        End Sub{0}" +
 406                                 "    End Class{0}" +
 407                                 "End Namespace{0}", NewLine), Generate (), "#2");
 408
 409                         typeParamT.HasConstructorConstraint = true;
 410
 411                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 412                                 "{0}" +
 413                                 "Namespace SomeNS{0}" +
 414                                 "    {0}" +
 415                                 "    Public Class SomeClass{0}" +
 416                                 "        {0}" +
 417                                 "        Private Sub SomeMethod(Of T As  {{System.IComparable, System.ICloneable, New}})(){0}" +
 418                                 "        End Sub{0}" +
 419                                 "    End Class{0}" +
 420                                 "End Namespace{0}", NewLine), Generate (), "#3");
 421
 422                         CodeTypeParameter typeParamS = new CodeTypeParameter ("S");
 423                         typeParamS.Constraints.Add (new CodeTypeReference (typeof (IDisposable)));
 424                         method.TypeParameters.Add (typeParamS);
 425
 426                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 427                                 "{0}" +
 428                                 "Namespace SomeNS{0}" +
 429                                 "    {0}" +
 430                                 "    Public Class SomeClass{0}" +
 431                                 "        {0}" +
 432                                 "        Private Sub SomeMethod(Of T As  {{System.IComparable, System.ICloneable, New}}, S As System.IDisposable)(){0}" +
 433                                 "        End Sub{0}" +
 434                                 "    End Class{0}" +
 435                                 "End Namespace{0}", NewLine), Generate (), "#4");
 436
 437                         CodeTypeParameter typeParamR = new CodeTypeParameter ("R");
 438                         typeParamR.HasConstructorConstraint = true;
 439                         method.TypeParameters.Add (typeParamR);
 440
 441                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 442                                 "{0}" +
 443                                 "Namespace SomeNS{0}" +
 444                                 "    {0}" +
 445                                 "    Public Class SomeClass{0}" +
 446                                 "        {0}" +
 447                                 "        Private Sub SomeMethod(Of T As  {{System.IComparable, System.ICloneable, New}}, S As System.IDisposable, R As New)(){0}" +
 448                                 "        End Sub{0}" +
 449                                 "    End Class{0}" +
 450                                 "End Namespace{0}", NewLine), Generate (), "#5");
 451                 }
 452
 453                 [Test]
 454                 public void Method_TypeParameters_ConstructorConstraint ()
 455                 {
 456                         codeNamespace.Name = "SomeNS";
 457
 458                         CodeTypeDeclaration type = new CodeTypeDeclaration ("SomeClass");
 459                         codeNamespace.Types.Add (type);
 460
 461                         CodeMemberMethod method = new CodeMemberMethod ();
 462                         method.Name = "SomeMethod";
 463                         type.Members.Add (method);
 464
 465                         CodeTypeParameter typeParam = new CodeTypeParameter ("T");
 466                         typeParam.HasConstructorConstraint = true;
 467                         method.TypeParameters.Add (typeParam);
 468
 469                         Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
 470                                 "{0}" +
 471                                 "Namespace SomeNS{0}" +
 472                                 "    {0}" +
 473                                 "    Public Class SomeClass{0}" +
 474                                 "        {0}" +
 475                                 "        Private Sub SomeMethod(Of T As New)(){0}" +
 476                                 "        End Sub{0}" +
 477                                 "    End Class{0}" +
 478                                 "End Namespace{0}", NewLine), Generate ());
 479                 }
 480         }
 481 }