mcs/class/System/Test/System.ComponentModel/CultureInfoConverterTest.cs

   1 //
   2 // System.ComponentModel.CultureInfoConverter test cases
   3 //
   4 // Authors:
   5 //      Gert Driesen (drieseng@users.sourceforge.net)
   6 //
   7 // (c) 2008 Gert Driesen
   8 //
   9
  10 using System;
  11 using System.ComponentModel;
  12 using System.ComponentModel.Design.Serialization;
  13 using System.Globalization;
  14
  15 using NUnit.Framework;
  16
  17 namespace MonoTests.System.ComponentModel
  18 {
  19         [TestFixture]
  20         public class CultureInfoConverterTest
  21         {
  22                 private CultureInfoConverter converter;
  23
  24                 [SetUp]
  25                 public void SetUp ()
  26                 {
  27                         converter = new CultureInfoConverter ();
  28                 }
  29
  30                 [Test]
  31                 public void CanConvertFrom ()
  32                 {
  33                         Assert.IsTrue (converter.CanConvertFrom (typeof (string)), "#1");
  34                         Assert.IsFalse (converter.CanConvertFrom (typeof (CultureInfo)), "#2");
  35                         Assert.IsFalse (converter.CanConvertFrom (typeof (object)), "#3");
  36                         Assert.IsFalse (converter.CanConvertFrom (typeof (int)), "#4");
  37                         Assert.IsTrue (converter.CanConvertFrom (typeof (InstanceDescriptor)), "#5");
  38                 }
  39
  40                 [Test]
  41                 public void CanConvertTo ()
  42                 {
  43                         Assert.IsTrue (converter.CanConvertTo (typeof (string)), "#1");
  44                         Assert.IsFalse (converter.CanConvertTo (typeof (object)), "#2");
  45                         Assert.IsFalse (converter.CanConvertTo (typeof (CultureInfo)), "#3");
  46                         Assert.IsFalse (converter.CanConvertTo (typeof (int)), "#4");
  47                         Assert.IsTrue (converter.CanConvertTo (typeof (InstanceDescriptor)), "#5");
  48                 }
  49
  50                 [Test]
  51                 public void ConvertFrom_String ()
  52                 {
  53                         CultureInfo c;
  54
  55                         c = (CultureInfo) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  56                                 String.Empty);
  57                         Assert.AreEqual (CultureInfo.InvariantCulture, c, "#1");
  58
  59                         c = (CultureInfo) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  60                                 "nl-BE");
  61                         Assert.AreEqual (new CultureInfo ("nl-BE"), c, "#2");
  62
  63                         try {
  64                                 c = (CultureInfo) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  65                                         "Dut");
  66                                 Assert.Fail ("#3");
  67                         } catch (ArgumentException) {
  68                         }
  69
  70                         try {
  71                                 c = (CultureInfo) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  72                                         "Dutch (Bel");
  73                                 Assert.Fail ("#4");
  74                         } catch (ArgumentException) {
  75                         }
  76
  77                         try {
  78                                 c = (CultureInfo) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  79                                         "duTcH (Bel");
  80                                 Assert.Fail ("#5");
  81                         } catch (ArgumentException) {
  82                         }
  83
  84                         c = (CultureInfo) converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  85                                 "(Default)");
  86                         Assert.AreEqual (CultureInfo.InvariantCulture, c, "#6");
  87                 }
  88
  89                 [Test]
  90                 public void ConvertFrom_String_IncompleteName ()
  91                 {
  92                         converter.ConvertFrom (null, CultureInfo.InvariantCulture,
  93                                 "nl-B");
  94                 }
  95
  96                 [Test]
  97                 public void ConvertFrom_String_InvalidCulture ()
  98                 {
  99                         try {
 100                                 converter.ConvertFrom (null, CultureInfo.InvariantCulture,
 101                                         "(default)");
 102                                 Assert.Fail ("#A1");
 103                         } catch (ArgumentException ex) {
 104                                 // The (default) culture cannot be converted to
 105                                 // a CultureInfo object on this computer
 106                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#A2");
 107                                 Assert.IsNull (ex.InnerException, "#A3");
 108                                 Assert.IsNotNull (ex.Message, "#A4");
 109                                 Assert.IsTrue (ex.Message.IndexOf (typeof (CultureInfo).Name) != -1, "#A5");
 110                                 Assert.IsTrue (ex.Message.IndexOf ("(default)") != -1, "#A6");
 111                                 Assert.IsNull (ex.ParamName, "#A7");
 112                         }
 113
 114                         try {
 115                                 converter.ConvertFrom (null, CultureInfo.InvariantCulture,
 116                                         " ");
 117                                 Assert.Fail ("#B1");
 118                         } catch (ArgumentException ex) {
 119                                 // The   culture cannot be converted to
 120                                 // a CultureInfo object on this computer
 121                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
 122                                 Assert.IsNull (ex.InnerException, "#B3");
 123                                 Assert.IsNotNull (ex.Message, "#B4");
 124                                 Assert.IsTrue (ex.Message.IndexOf (typeof (CultureInfo).Name) != -1, "#B5");
 125                                 Assert.IsTrue (ex.Message.IndexOf ("   ") != -1, "#B6");
 126                                 Assert.IsNull (ex.ParamName, "#B7");
 127                         }
 128
 129                         try {
 130                                 converter.ConvertFrom (null, CultureInfo.InvariantCulture,
 131                                         "\r\n");
 132                                 Assert.Fail ("#C1");
 133                         } catch (ArgumentException ex) {
 134                                 // The \r\n culture cannot be converted to
 135                                 // a CultureInfo object on this computer
 136                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 137                                 Assert.IsNull (ex.InnerException, "#C3");
 138                                 Assert.IsNotNull (ex.Message, "#C4");
 139                                 Assert.IsTrue (ex.Message.IndexOf (typeof (CultureInfo).Name) != -1, "#C5");
 140                                 Assert.IsTrue (ex.Message.IndexOf ("\r\n") != -1, "#C6");
 141                                 Assert.IsNull (ex.ParamName, "#C7");
 142                         }
 143                 }
 144
 145                 [Test]
 146                 public void ConvertFrom_Value_Null ()
 147                 {
 148                         try {
 149                                 converter.ConvertFrom (null, CultureInfo.InvariantCulture,
 150                                         (string) null);
 151                                 Assert.Fail ("#1");
 152                         } catch (NotSupportedException ex) {
 153                                 // CultureInfoConverter cannot convert from (null)
 154                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#2");
 155                                 Assert.IsNull (ex.InnerException, "#3");
 156                                 Assert.IsNotNull (ex.Message, "#4");
 157                                 Assert.IsTrue (ex.Message.IndexOf (typeof (CultureInfoConverter).Name) != -1, "#5");
 158                                 Assert.IsTrue (ex.Message.IndexOf ("(null)") != -1, "#6");
 159                         }
 160                 }
 161
 162                 [Test]
 163                 public void ConvertToString ()
 164                 {
 165                         string result;
 166
 167                         result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
 168                                 new MyCultureInfo ());
 169                         Assert.AreEqual ("nl-BE", result, "#1");
 170
 171                         result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
 172                                 null);
 173                         Assert.AreEqual ("(Default)", result, "#2");
 174
 175                         result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
 176                                 CultureInfo.InvariantCulture);
 177                         Assert.AreEqual ("(Default)", result, "#3");
 178
 179                         result = converter.ConvertToString (null, CultureInfo.InvariantCulture,
 180                                 new CultureInfo ("nl-BE"));
 181                         Assert.AreEqual ("nl-BE", result, "#4");
 182                 }
 183
 184                 [Serializable]
 185                 private sealed class MyCultureInfo : CultureInfo
 186                 {
 187                         internal MyCultureInfo () : base ("nl-BE")
 188                         {
 189                         }
 190
 191                         public override string DisplayName {
 192                                 get { return "display"; }
 193                         }
 194
 195                         public override string EnglishName {
 196                                 get { return "english"; }
 197                         }
 198                 }
 199
 200 #if NET_4_0
 201                 [Test]
 202                 public void GetCultureName ()
 203                 {
 204                         CustomCultureInfoConverter custom_converter = new CustomCultureInfoConverter ();
 205
 206                         CultureInfo fr_culture = CultureInfo.GetCultureInfo ("fr-FR");
 207                         Assert.AreEqual (fr_culture.Name, custom_converter.GetCultureName (fr_culture), "#A1");
 208
 209                         CultureInfo es_culture = CultureInfo.GetCultureInfo ("es-MX");
 210                         Assert.AreEqual (es_culture.Name, custom_converter.GetCultureName (es_culture), "#A2");
 211                 }
 212
 213                 class CustomCultureInfoConverter : CultureInfoConverter
 214                 {
 215                         public new string GetCultureName (CultureInfo culture)
 216                         {
 217                                 return base.GetCultureName (culture);
 218                         }
 219                 }
 220 #endif
 221         }
 222 }