mcs/class/corlib/Test/System/UInt64Test.cs

   1 // UInt64Test.cs - NUnit Test Cases for the System.UInt64 struct
   2 //
   3 // Mario Martinez (mariom925@home.om)
   4 //
   5 // (C) Ximian, Inc.  http://www.ximian.com
   6 //
   7
   8 using NUnit.Framework;
   9 using System;
  10 using System.Globalization;
  11 using System.Threading;
  12
  13 namespace MonoTests.System
  14 {
  15
  16 [TestFixture]
  17 public class UInt64Test
  18 {
  19         private const UInt64 MyUInt64_1 = 42;
  20         private const UInt64 MyUInt64_2 = 0;
  21         private const UInt64 MyUInt64_3 = 18446744073709551615;
  22         private const string MyString1 = "42";
  23         private const string MyString2 = "0";
  24         private const string MyString3 = "18446744073709551615";
  25         private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
  26         private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
  27         private string[] Results1 = {"",
  28                                         "0", "0.000000e+000", "0.00",
  29                                         "0", "0.00", "0.00 %", "0"};
  30         private string[] ResultsNfi1 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"0.00",
  31                                         "0", "0.000000e+000", "0.00",
  32                                         "0", "0.00", "0.00 %", "0"};
  33         private string[] Results2 = {"",
  34                                         "18446744073709551615", "1.84467e+019", "18446744073709551615.00000",
  35                                         "1.8447e+19", "18,446,744,073,709,551,615.00000",
  36                                         "1,844,674,407,370,955,161,500.00000 %", "ffffffffffffffff"};
  37         private string[] ResultsNfi2 = {NumberFormatInfo.InvariantInfo.CurrencySymbol+"18,446,744,073,709,551,615.00000",
  38                                         "18446744073709551615", "1.84467e+019", "18446744073709551615.00000",
  39                                         "1.8447e+19", "18,446,744,073,709,551,615.00000",
  40                                         "1,844,674,407,370,955,161,500.00000 %", "ffffffffffffffff"};
  41
  42         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  43
  44         private CultureInfo old_culture;
  45
  46         [TestFixtureSetUp]
  47         public void SetUp()
  48         {
  49                 old_culture = Thread.CurrentThread.CurrentCulture;
  50
  51                 // Set culture to en-US and don't let the user override.
  52                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
  53
  54                 // We can't initialize this until we set the culture.
  55
  56                 string decimals = new String ('0', NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
  57                 string perPattern = new string[] {"n %","n%","%n"} [NumberFormatInfo.CurrentInfo.PercentPositivePattern];
  58
  59                 Results1 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "0.00";
  60                 Results1 [3] = "0." + decimals;
  61                 Results1 [5] = "0." + decimals;
  62                 Results1 [6] = perPattern.Replace ("n","0.00");
  63
  64                 Results2 [0] = NumberFormatInfo.CurrentInfo.CurrencySymbol + "18,446,744,073,709,551,615.00000";
  65                 Results2 [6] = perPattern.Replace ("n","1,844,674,407,370,955,161,500.00000");
  66         }
  67
  68         [TestFixtureTearDown]
  69         public void TearDown ()
  70         {
  71                 Thread.CurrentThread.CurrentCulture = old_culture;
  72         }
  73
  74         public void TestMinMax()
  75         {
  76
  77                 Assert.AreEqual(UInt64.MinValue, MyUInt64_2);
  78                 Assert.AreEqual(UInt64.MaxValue, MyUInt64_3);
  79         }
  80
  81         public void TestCompareTo()
  82         {
  83                 Assert.IsTrue(MyUInt64_3.CompareTo(MyUInt64_2) > 0);
  84                 Assert.IsTrue(MyUInt64_2.CompareTo(MyUInt64_2) == 0);
  85                 Assert.IsTrue(MyUInt64_1.CompareTo((UInt64)(42)) == 0);
  86                 Assert.IsTrue(MyUInt64_2.CompareTo(MyUInt64_3) < 0);
  87                 try {
  88                         MyUInt64_2.CompareTo((object)(Int16)100);
  89                         Assert.Fail("Should raise a System.ArgumentException");
  90                 }
  91                 catch (Exception e) {
  92                         Assert.IsTrue(typeof(ArgumentException) == e.GetType());
  93                 }
  94         }
  95
  96         public void TestEquals()
  97         {
  98                 Assert.IsTrue(MyUInt64_1.Equals(MyUInt64_1));
  99                 Assert.IsTrue(MyUInt64_1.Equals((object)(UInt64)(42)));
 100                 Assert.IsTrue(MyUInt64_1.Equals((object)(SByte)(42)) == false);
 101                 Assert.IsTrue(MyUInt64_1.Equals(MyUInt64_2) == false);
 102         }
 103
 104         public void TestGetHashCode()
 105         {
 106                 try {
 107                         MyUInt64_1.GetHashCode();
 108                         MyUInt64_2.GetHashCode();
 109                         MyUInt64_3.GetHashCode();
 110                 }
 111                 catch {
 112                         Assert.Fail("GetHashCode should not raise an exception here");
 113                 }
 114         }
 115
 116         public void TestParse()
 117         {
 118                 //test Parse(string s)
 119                 Assert.IsTrue(MyUInt64_1 == UInt64.Parse(MyString1));
 120                 Assert.IsTrue(MyUInt64_2 == UInt64.Parse(MyString2));
 121                 Assert.IsTrue(MyUInt64_3 == UInt64.Parse(MyString3));
 122                 try {
 123                         UInt64.Parse(null);
 124                         Assert.Fail("Should raise a ArgumentNullException");
 125                 }
 126                 catch (Exception e) {
 127                         Assert.IsTrue(typeof(ArgumentNullException) == e.GetType());
 128                 }
 129                 try {
 130                         UInt64.Parse("not-a-number");
 131                         Assert.Fail("Should raise a System.FormatException");
 132                 }
 133                 catch (Exception e) {
 134                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 135                 }
 136                 //test Parse(string s, NumberStyles style)
 137                 try {
 138                         double OverInt = (double)UInt64.MaxValue + 1;
 139                         UInt64.Parse(OverInt.ToString(), NumberStyles.Float);
 140                         Assert.Fail("Should raise a OverflowException");
 141                 }
 142                 catch (Exception e) {
 143                         Assert.IsTrue(typeof(OverflowException) == e.GetType());
 144                 }
 145                 try {
 146                         double OverInt = (double)UInt64.MaxValue + 1;
 147                         UInt64.Parse(OverInt.ToString(), NumberStyles.Integer);
 148                         Assert.Fail("Should raise a System.FormatException");
 149                 }
 150                 catch (Exception e) {
 151                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 152                 }
 153                 Assert.IsTrue(42 == UInt64.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
 154                 try {
 155                         UInt64.Parse("$42", NumberStyles.Integer);
 156                         Assert.Fail("Should raise a FormatException");
 157                 }
 158                 catch (Exception e) {
 159                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 160                 }
 161                 //test Parse(string s, IFormatProvider provider)
 162                 Assert.IsTrue(42 == UInt64.Parse(" 42 ", Nfi));
 163                 try {
 164                         UInt64.Parse("%42", Nfi);
 165                         Assert.Fail("Should raise a System.FormatException");
 166                 }
 167                 catch (Exception e) {
 168                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 169                 }
 170                 //test Parse(string s, NumberStyles style, IFormatProvider provider)
 171                 Assert.IsTrue(16 == UInt64.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 172                 try {
 173                         UInt64.Parse("$42", NumberStyles.Integer, Nfi);
 174                         Assert.Fail("Should raise a System.FormatException");
 175                 }
 176                 catch (Exception e) {
 177                         Assert.IsTrue(typeof(FormatException) == e.GetType());
 178                 }
 179
 180                 // Pass a DateTimeFormatInfo, it is unable to format
 181                 // numbers, but we should not crash
 182
 183                 UInt64.Parse ("123", new DateTimeFormatInfo ());
 184         }
 185
 186         public void TestToString()
 187         {
 188                 //test ToString()
 189                 Assert.AreEqual(MyString1, MyUInt64_1.ToString(), "A");
 190                 Assert.AreEqual(MyString2, MyUInt64_2.ToString(), "B");
 191                 Assert.AreEqual(MyString3, MyUInt64_3.ToString(), "C");
 192                 //test ToString(string format)
 193                 for (int i=0; i < Formats1.Length; i++) {
 194                         Assert.AreEqual(Results1[i], MyUInt64_2.ToString(Formats1[i]), "D");
 195                         Assert.AreEqual(Results2[i], MyUInt64_3.ToString(Formats2[i]), "E: format #" + i);
 196                 }
 197                 //test ToString(string format, IFormatProvider provider);
 198                 for (int i=0; i < Formats1.Length; i++) {
 199                         Assert.AreEqual(ResultsNfi1[i], MyUInt64_2.ToString(Formats1[i], Nfi), "F");
 200                         Assert.AreEqual(ResultsNfi2[i], MyUInt64_3.ToString(Formats2[i], Nfi), "G");
 201                 }
 202                 try {
 203                         MyUInt64_1.ToString("z");
 204                         Assert.Fail("Should raise a System.FormatException");
 205                 }
 206                 catch (Exception e) {
 207                         Assert.IsTrue(typeof(FormatException) == e.GetType(), "H");
 208                 }
 209         }
 210
 211         [Test]
 212         public void ToString_Defaults ()
 213         {
 214                 UInt64 i = 254;
 215                 // everything defaults to "G"
 216                 string def = i.ToString ("G");
 217                 Assert.AreEqual (def, i.ToString (), "ToString()");
 218                 Assert.AreEqual (def, i.ToString ((IFormatProvider)null), "ToString((IFormatProvider)null)");
 219                 Assert.AreEqual (def, i.ToString ((string)null), "ToString((string)null)");
 220                 Assert.AreEqual (def, i.ToString (String.Empty), "ToString(empty)");
 221                 Assert.AreEqual (def, i.ToString (null, null), "ToString(null,null)");
 222                 Assert.AreEqual (def, i.ToString (String.Empty, null), "ToString(empty,null)");
 223
 224                 Assert.AreEqual ("254", def, "ToString(G)");
 225         }
 226 }
 227
 228 }