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 }