mcs/class/System/Test/System.ComponentModel/Int32ConverterTests.cs

   1 //
   2 // System.ComponentModel.Int32Converter test cases
   3 //
   4 // Authors:
   5 //      Gert Driesen (drieseng@users.sourceforge.net)
   6 //
   7 // (c) 2005 Novell, Inc. (http://www.ximian.com)
   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 Int32ConverterTests
  21         {
  22                 private Int32Converter converter;
  23
  24                 [SetUp]
  25                 public void SetUp ()
  26                 {
  27                         converter = new Int32Converter ();
  28                 }
  29
  30                 [Test]
  31                 public void CanConvertFrom ()
  32                 {
  33                         Assert.IsTrue (converter.CanConvertFrom (typeof (string)), "#1");
  34                         Assert.IsFalse (converter.CanConvertFrom (typeof (int)), "#2");
  35                         Assert.IsFalse (converter.CanConvertFrom (typeof (object)), "#3");
  36                         Assert.IsTrue (converter.CanConvertFrom (typeof (InstanceDescriptor)), "#4");
  37                 }
  38
  39                 [Test]
  40                 public void CanConvertTo ()
  41                 {
  42                         Assert.IsTrue (converter.CanConvertTo (typeof (string)), "#1");
  43                         Assert.IsFalse (converter.CanConvertTo (typeof (object)), "#2");
  44                         Assert.IsTrue (converter.CanConvertTo (typeof (int)), "#3");
  45                 }
  46
  47                 [Test]
  48                 public void ConvertFrom_MinValue ()
  49                 {
  50                         Assert.AreEqual (int.MinValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#80000000"), "#1");
  51                         Assert.AreEqual (int.MinValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#0x80000000"), "#2");
  52                         Assert.AreEqual (int.MinValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#0X80000000"), "#3");
  53                         Assert.AreEqual (int.MinValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "0x80000000"), "#4");
  54                         Assert.AreEqual (int.MinValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "0X80000000"), "#5");
  55                 }
  56
  57                 [Test]
  58                 public void ConvertFrom_MaxValue ()
  59                 {
  60                         Assert.AreEqual (int.MaxValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#7fffffff"), "#1");
  61                         Assert.AreEqual (int.MaxValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#7FFFFFFF"), "#2");
  62                         Assert.AreEqual (int.MaxValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#0x7fffffff"), "#3");
  63                         Assert.AreEqual (int.MaxValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "#0X7FFFFFFF"), "#4");
  64                         Assert.AreEqual (int.MaxValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "0x7fffffff"), "#5");
  65                         Assert.AreEqual (int.MaxValue, converter.ConvertFrom (null, CultureInfo.InvariantCulture, "0X7FFFFFFF"), "#6");
  66                 }
  67
  68                 [Test]
  69                 [ExpectedException (typeof (NotSupportedException))]
  70                 public void ConvertFrom_Object ()
  71                 {
  72                         converter.ConvertFrom (new object ());
  73                 }
  74
  75                 [Test]
  76                 [ExpectedException (typeof (NotSupportedException))]
  77                 public void ConvertFrom_Int32 ()
  78                 {
  79                         converter.ConvertFrom (int.MaxValue);
  80                 }
  81
  82                 [Test]
  83                 public void ConvertTo_MinValue ()
  84                 {
  85                         Assert.AreEqual (int.MinValue.ToString (CultureInfo.InvariantCulture),
  86                                 converter.ConvertTo (null, CultureInfo.InvariantCulture, int.MinValue,
  87                                 typeof (string)), "#1");
  88                         Assert.AreEqual (int.MinValue.ToString (CultureInfo.CurrentCulture),
  89                                 converter.ConvertTo (null, CultureInfo.CurrentCulture, int.MinValue,
  90                                 typeof (string)), "#2");
  91                         Assert.AreEqual (int.MinValue.ToString (CultureInfo.CurrentCulture),
  92                                 converter.ConvertTo (int.MinValue, typeof (string)), "#3");
  93                 }
  94
  95                 [Test]
  96                 public void ConvertTo_MaxValue ()
  97                 {
  98                         Assert.AreEqual (int.MaxValue.ToString (CultureInfo.InvariantCulture),
  99                                 converter.ConvertTo (null, CultureInfo.InvariantCulture, int.MaxValue,
 100                                 typeof (string)), "#1");
 101                         Assert.AreEqual (int.MaxValue.ToString (CultureInfo.CurrentCulture),
 102                                 converter.ConvertTo (null, CultureInfo.CurrentCulture, int.MaxValue,
 103                                 typeof (string)), "#2");
 104                         Assert.AreEqual (int.MaxValue.ToString (CultureInfo.CurrentCulture),
 105                                 converter.ConvertTo (int.MaxValue, typeof (string)), "#3");
 106                 }
 107
 108                 [Test]
 109                 public void ConvertToString ()
 110                 {
 111                         CultureInfo culture = new MyCultureInfo ();
 112                         NumberFormatInfo numberFormatInfo = (NumberFormatInfo) culture.GetFormat (typeof (NumberFormatInfo));
 113
 114                         Assert.AreEqual (numberFormatInfo.NegativeSign + "5", converter.ConvertToString (null, culture, -5));
 115                 }
 116
 117                 [Test]
 118                 public void ConvertFromString ()
 119                 {
 120                         CultureInfo culture = new MyCultureInfo ();
 121                         NumberFormatInfo numberFormatInfo = (NumberFormatInfo) culture.GetFormat (typeof (NumberFormatInfo));
 122
 123                         Assert.AreEqual (-5, converter.ConvertFrom (null, culture, numberFormatInfo.NegativeSign + "5"));
 124                 }
 125
 126                 [Test]
 127                 public void ConvertFromString_Invalid1 ()
 128                 {
 129                         try {
 130                                 converter.ConvertFromString (null, CultureInfo.InvariantCulture, "*1");
 131                                 Assert.Fail ("#1");
 132                         } catch (Exception ex) {
 133                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 134                                 Assert.IsNotNull (ex.InnerException, "#3");
 135                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 136                         }
 137                 }
 138
 139                 [Test]
 140                 public void ConvertFromString_Invalid2 ()
 141                 {
 142                         try {
 143                                 converter.ConvertFromString (null, CultureInfo.InvariantCulture,
 144                                         double.MaxValue.ToString(CultureInfo.InvariantCulture));
 145                                 Assert.Fail ("#1");
 146                         } catch (Exception ex) {
 147                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 148                                 Assert.IsNotNull (ex.InnerException, "#3");
 149                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 150                         }
 151                 }
 152
 153                 [Test]
 154                 public void ConvertFromString_Invalid3 ()
 155                 {
 156                         try {
 157                                 converter.ConvertFromString ("*1");
 158                                 Assert.Fail ("#1");
 159                         } catch (Exception ex) {
 160                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 161                                 Assert.IsNotNull (ex.InnerException, "#3");
 162                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 163                         }
 164                 }
 165
 166                 [Test]
 167                 public void ConvertFromString_Invalid4 ()
 168                 {
 169                         try {
 170                                 converter.ConvertFromString (double.MaxValue.ToString (CultureInfo.CurrentCulture));
 171                                 Assert.Fail ("#1");
 172                         } catch (Exception ex) {
 173                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 174                                 Assert.IsNotNull (ex.InnerException, "#3");
 175                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 176                         }
 177                 }
 178
 179                 [Test]
 180                 public void ConvertFrom_InvalidString1 ()
 181                 {
 182                         try {
 183                                 converter.ConvertFrom (null, CultureInfo.InvariantCulture, "*1");
 184                                 Assert.Fail ("#1");
 185                         } catch (Exception ex) {
 186                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 187                                 Assert.IsNotNull (ex.InnerException, "#3");
 188                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 189                         }
 190                 }
 191
 192                 [Test]
 193                 public void ConvertFrom_InvalidString2 ()
 194                 {
 195                         try {
 196                                 converter.ConvertFrom (null, CultureInfo.InvariantCulture,
 197                                         double.MaxValue.ToString (CultureInfo.InvariantCulture));
 198                                 Assert.Fail ("#1");
 199                         } catch (Exception ex) {
 200                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 201                                 Assert.IsNotNull (ex.InnerException, "#3");
 202                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 203                         }
 204                 }
 205
 206                 [Test]
 207                 public void ConvertFrom_InvalidString3 ()
 208                 {
 209                         try {
 210                                 converter.ConvertFrom ("*1");
 211                                 Assert.Fail ("#1");
 212                         } catch (Exception ex) {
 213                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 214                                 Assert.IsNotNull (ex.InnerException, "#3");
 215                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 216                         }
 217                 }
 218
 219                 [Test]
 220                 public void ConvertFrom_InvalidString4 ()
 221                 {
 222                         try {
 223                                 converter.ConvertFrom (double.MaxValue.ToString (CultureInfo.CurrentCulture));
 224                                 Assert.Fail ("#1");
 225                         } catch (Exception ex) {
 226                                 Assert.AreEqual (typeof (Exception), ex.GetType (), "#2");
 227                                 Assert.IsNotNull (ex.InnerException, "#3");
 228                                 Assert.AreEqual (typeof (FormatException), ex.InnerException.GetType (), "#3");
 229                         }
 230                 }
 231
 232                 [Serializable]
 233                 private sealed class MyCultureInfo : CultureInfo
 234                 {
 235                         internal MyCultureInfo ()
 236                                 : base ("en-US")
 237                         {
 238                         }
 239
 240                         public override object GetFormat (Type formatType)
 241                         {
 242                                 if (formatType == typeof (NumberFormatInfo)) {
 243                                         NumberFormatInfo nfi = (NumberFormatInfo) ((NumberFormatInfo) base.GetFormat (formatType)).Clone ();
 244
 245                                         nfi.NegativeSign = "myNegativeSign";
 246                                         return NumberFormatInfo.ReadOnly (nfi);
 247                                 } else {
 248                                         return base.GetFormat (formatType);
 249                                 }
 250                         }
 251                 }
 252         }
 253 }
 254