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