mcs/class/corlib/Test/System/Int64Test.cs

   1 // Int64Test.cs - NUnit Test Cases for the System.Int64 struct
   2 //
   3 // Author: Martin Weindel (martin.weindel@t-online.de)
   4 //
   5 // (C) Martin Weindel, 2001
   6 //
   7 // tests ToString and Parse function with the culture independent
   8 // NumberFormatInfo.InvariantInfo
   9
  10 using NUnit.Framework;
  11 using System;
  12 using System.Globalization;
  13 using System.Threading;
  14
  15     /// <summary>
  16     /// Tests for System.Int64
  17     /// </summary>
  18 namespace MonoTests.System
  19 {
  20
  21 [TestFixture]
  22 public class Int64Test : Assertion
  23 {
  24         private const Int64 MyInt64_1 = -42;
  25         private const Int64 MyInt64_2 = -9223372036854775808;
  26         private const Int64 MyInt64_3 = 9223372036854775807;
  27         private const string MyString1 = "-42";
  28         private const string MyString2 = "-9223372036854775808";
  29         private const string MyString3 = "9223372036854775807";
  30         private string[] Formats1 = {"c", "d", "e", "f", "g", "n", "p", "x" };
  31         private string[] Formats2 = {"c5", "d5", "e5", "f5", "g5", "n5", "p5", "x5" };
  32         private string[] Results1 = {"", "-9223372036854775808", "-9.223372e+018", "-9223372036854775808.00",
  33                                           "-9223372036854775808", "-9,223,372,036,854,775,808.00", "-922,337,203,685,477,580,800.00 %", "8000000000000000"};
  34         private string[] Results2 = {"", "9223372036854775807", "9.22337e+018", "9223372036854775807.00000",
  35                                           "9.2234e+18", "9,223,372,036,854,775,807.00000", "922,337,203,685,477,580,700.00000 %", "7fffffffffffffff"};
  36         private string[] ResultsNfi1 = {"("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"9,223,372,036,854,775,808.00)", "-9223372036854775808", "-9.223372e+018", "-9223372036854775808.00",
  37                                           "-9223372036854775808", "-9,223,372,036,854,775,808.00", "-922,337,203,685,477,580,800.00 %", "8000000000000000"};
  38         private string[] ResultsNfi2 = {""+NumberFormatInfo.InvariantInfo.CurrencySymbol+"9,223,372,036,854,775,807.00000", "9223372036854775807", "9.22337e+018", "9223372036854775807.00000",
  39                                           "9.2234e+18", "9,223,372,036,854,775,807.00000", "922,337,203,685,477,580,700.00000 %", "7fffffffffffffff"};
  40
  41         private long[] vals
  42         = { 0, Int64.MaxValue, Int64.MinValue,
  43               1L, 12L, 123L, 1234L, -123L,
  44               1234567890123456L, 6543210987654321L };
  45
  46         private const long val1 = -1234567L;
  47         private const long val2 = 1234567L;
  48         private const string sval1Test1 = "  -1,234,567   ";
  49         private const string sval1Test2 = "  -1234567   ";
  50         //private const string sval1Test3 = "  -12345,,,,67   "; // interesting: this case works on SDK Beta2, but the specification says nothing about this case
  51         private const string sval1Test4 = "  -12345 67   ";
  52         private  string sval1Test5 = "  -"+NumberFormatInfo.InvariantInfo.CurrencySymbol+"1,234,567.00 ";
  53         private  string sval1Test6 = "("+NumberFormatInfo.InvariantInfo.CurrencySymbol+"1,234,567.00)";
  54         private const string sval1Test7 = "-1,234,567.00";
  55         private const string sval1UserCur1 = "1234/5/67:000 XYZ-";
  56         private const string sval2UserCur1 = "1234/5/67:000 XYZ";
  57         private const string sval1UserPercent1 = "-%%%1~2~3~4~5~6~7~0~0;0";
  58         private const string sval2UserPercent1 = "%%%1~2~3~4~5~6~7~0~0;0";
  59         private const NumberStyles style1 =  NumberStyles.AllowLeadingWhite | NumberStyles.AllowLeadingSign
  60                                         | NumberStyles.AllowTrailingWhite | NumberStyles.AllowThousands;
  61         private NumberFormatInfo Nfi = NumberFormatInfo.InvariantInfo;
  62         private NumberFormatInfo NfiUser;
  63
  64         private CultureInfo old_culture;
  65
  66         [SetUp]
  67         public void SetUp ()
  68         {
  69                 old_culture = Thread.CurrentThread.CurrentCulture;
  70
  71                 // Set culture to en-US and don't let the user override.
  72                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US", false);
  73
  74                 int cdd = NumberFormatInfo.CurrentInfo.CurrencyDecimalDigits;
  75                 string csym = NumberFormatInfo.CurrentInfo.CurrencySymbol;
  76                 string csuffix = (cdd > 0 ? "." : "").PadRight(cdd + (cdd > 0 ? 1 : 0), '0');
  77
  78                 string decimals = new String ('0', NumberFormatInfo.CurrentInfo.NumberDecimalDigits);
  79                 string perPattern = new string[] {"n %","n%","%n"} [NumberFormatInfo.CurrentInfo.PercentPositivePattern];
  80
  81                 Results1[0] = "(" + csym + "9,223,372,036,854,775,808" + csuffix + ")";
  82                 Results1[3] = "-9223372036854775808." + decimals;
  83                 Results1[5] = "-9,223,372,036,854,775,808." + decimals;
  84                 Results1[6] = perPattern.Replace ("n","-922,337,203,685,477,580,800.00");
  85
  86                 Results2[0] = csym + "9,223,372,036,854,775,807.00000";
  87                 Results2[6] = perPattern.Replace ("n","922,337,203,685,477,580,700.00000");
  88
  89                 NfiUser = new NumberFormatInfo();
  90                 NfiUser.CurrencyDecimalDigits = 3;
  91                 NfiUser.CurrencyDecimalSeparator = ":";
  92                 NfiUser.CurrencyGroupSeparator = "/";
  93                 NfiUser.CurrencyGroupSizes = new int[] { 2,1,0 };
  94                 NfiUser.CurrencyNegativePattern = 10;  // n $-
  95                 NfiUser.CurrencyPositivePattern = 3;  // n $
  96                 NfiUser.CurrencySymbol = "XYZ";
  97                 NfiUser.PercentDecimalDigits = 1;
  98                 NfiUser.PercentDecimalSeparator = ";";
  99                 NfiUser.PercentGroupSeparator = "~";
 100                 NfiUser.PercentGroupSizes = new int[] {1};
 101                 NfiUser.PercentNegativePattern = 2;
 102                 NfiUser.PercentPositivePattern = 2;
 103                 NfiUser.PercentSymbol = "%%%";
 104         }
 105
 106         [TearDown]
 107         public void TearDown ()
 108         {
 109                 Thread.CurrentThread.CurrentCulture = old_culture;
 110         }
 111
 112         public void TestMinMax()
 113         {
 114
 115                 AssertEquals(Int64.MinValue, MyInt64_2);
 116                 AssertEquals(Int64.MaxValue, MyInt64_3);
 117         }
 118
 119         public void TestCompareTo()
 120         {
 121                 Assert(MyInt64_3.CompareTo(MyInt64_2) > 0);
 122                 Assert(MyInt64_2.CompareTo(MyInt64_2) == 0);
 123                 Assert(MyInt64_1.CompareTo((Int64)(-42)) == 0);
 124                 Assert(MyInt64_2.CompareTo(MyInt64_3) < 0);
 125                 try {
 126                         MyInt64_2.CompareTo((Int16)100);
 127                         Fail("Should raise a System.ArgumentException");
 128                 }
 129                 catch (Exception e) {
 130                         Assert(typeof(ArgumentException) == e.GetType());
 131                 }
 132         }
 133
 134         public void TestEquals()
 135         {
 136                 Assert(MyInt64_1.Equals(MyInt64_1));
 137                 Assert(MyInt64_1.Equals((Int64)(-42)));
 138                 Assert(MyInt64_1.Equals((SByte)(-42)) == false);
 139                 Assert(MyInt64_1.Equals(MyInt64_2) == false);
 140         }
 141
 142         public void TestGetHashCode()
 143         {
 144                 try {
 145                         MyInt64_1.GetHashCode();
 146                         MyInt64_2.GetHashCode();
 147                         MyInt64_3.GetHashCode();
 148                 }
 149                 catch {
 150                         Fail("GetHashCode should not raise an exception here");
 151                 }
 152         }
 153
 154     public void TestRoundTripGeneral()
 155     {
 156         foreach(long lv in vals)
 157         {
 158             string s = lv.ToString(Nfi);
 159             long lv2 = Int64.Parse(s);
 160             Assert(lv == lv2);
 161             long lv3 = Int64.Parse(s, NumberStyles.Integer, Nfi);
 162             Assert(lv == lv3);
 163         }
 164     }
 165
 166     public void TestRoundTripHex()
 167     {
 168         foreach(long lv in vals)
 169         {
 170             string s = lv.ToString("x", Nfi);
 171             long lv2 = Int64.Parse(s, NumberStyles.HexNumber, Nfi);
 172             Assert(lv == lv2);
 173         }
 174     }
 175
 176     public void TestParseNull()
 177     {
 178         try
 179         {
 180             Int64.Parse(null);
 181             Fail("Should raise System.ArgumentNullException");
 182         }
 183         catch (ArgumentNullException)
 184         {
 185             // ok
 186         }
 187     }
 188
 189     public void TestParse()
 190     {
 191         long lv;
 192
 193         lv = Int64.Parse(sval1Test1, style1, Nfi);
 194         AssertEquals("Long value should be equal for Test1", val1, lv);
 195
 196         try
 197         {
 198             lv = Int64.Parse(sval1Test1, Nfi);
 199             Fail("Should raise FormatException 1");
 200         }
 201         catch (FormatException)
 202         {
 203             // ok
 204         }
 205
 206         lv = Int64.Parse(sval1Test2, style1, Nfi);
 207         AssertEquals("Value should be the same for Test2 with style1", val1, lv);
 208         lv = Int64.Parse(sval1Test2, Nfi);
 209         AssertEquals("Value should be the same for Test2 without style1", val1, lv);
 210
 211         try
 212         {
 213             lv = Int64.Parse(sval1Test4, style1, Nfi);
 214             Fail("Should raise FormatException 3");
 215         }
 216         catch (FormatException)
 217         {
 218             // ok
 219         }
 220
 221         lv = Int64.Parse(sval1Test5, NumberStyles.Currency, Nfi);
 222         AssertEquals("Value should be the same for Test5 and currency style", val1, lv);
 223
 224         //test Parse(string s)
 225         Assert(MyInt64_1 == Int64.Parse(MyString1));
 226         Assert(MyInt64_2 == Int64.Parse(MyString2));
 227         Assert(MyInt64_3 == Int64.Parse(MyString3));
 228         try {
 229                 Int64.Parse(null);
 230                 Fail("Should raise a System.ArgumentNullException");
 231         }
 232         catch (Exception e) {
 233                 Assert(typeof(ArgumentNullException) == e.GetType());
 234         }
 235         try {
 236                 Int64.Parse("not-a-number");
 237                 Fail("Should raise a System.FormatException");
 238         }
 239         catch (Exception e) {
 240                 Assert(typeof(FormatException) == e.GetType());
 241         }
 242         //test Parse(string s, NumberStyles style)
 243         try {
 244                 double OverInt = (double)Int64.MaxValue + 1;
 245                 Int64.Parse(OverInt.ToString(), NumberStyles.Float);
 246                 Fail("Should raise a System.OverflowException");
 247         }
 248         catch (Exception e) {
 249                 Assert(typeof(OverflowException) == e.GetType());
 250         }
 251         try {
 252                 Int64.Parse("10000000000000000", NumberStyles.HexNumber);
 253                 Fail("Should raise a System.OverflowException");
 254         }
 255         catch (Exception e) {
 256                 Assert(typeof(OverflowException) == e.GetType());
 257         }
 258         try {
 259                 double OverInt = (double)Int64.MaxValue + 1;
 260                 Int64.Parse(OverInt.ToString(), NumberStyles.Integer);
 261                 Fail("Should raise a System.FormatException");
 262         }
 263         catch (Exception e) {
 264                 Assert(typeof(FormatException) == e.GetType());
 265         }
 266         AssertEquals("A1", (long)42, Int64.Parse(" "+NumberFormatInfo.CurrentInfo.CurrencySymbol+"42 ", NumberStyles.Currency));
 267         try {
 268                 Int64.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer);
 269                 Fail("Should raise a System.FormatException");
 270         }
 271         catch (Exception e) {
 272                 Assert(typeof(FormatException) == e.GetType());
 273         }
 274         //test Parse(string s, IFormatProvider provider)
 275         Assert(-42 == Int64.Parse(" -42 ", Nfi));
 276         try {
 277                 Int64.Parse("%42", Nfi);
 278                 Fail("Should raise a System.FormatException");
 279         }
 280         catch (Exception e) {
 281                 Assert(typeof(FormatException) == e.GetType());
 282         }
 283         //test Parse(string s, NumberStyles style, IFormatProvider provider)
 284         Assert(16 == Int64.Parse(" 10 ", NumberStyles.HexNumber, Nfi));
 285         try {
 286                 Int64.Parse(NumberFormatInfo.CurrentInfo.CurrencySymbol+"42", NumberStyles.Integer, Nfi);
 287                 Fail("Should raise a System.FormatException");
 288         }
 289         catch (Exception e) {
 290                 Assert(typeof(FormatException) == e.GetType());
 291         }
 292     }
 293
 294     public void TestToString()
 295     {
 296         string s;
 297
 298         s = val1.ToString("c", Nfi);
 299         Assert("val1 does not become sval1Test6", s.Equals(sval1Test6));
 300
 301         s = val1.ToString("n", Nfi);
 302         AssertEquals("val1 does not become sval1Test7", sval1Test7, s);
 303
 304         //test ToString()
 305         AssertEquals("MyInt64_1.ToString()", MyString1, MyInt64_1.ToString());
 306         AssertEquals("MyInt64_2.ToString()", MyString2, MyInt64_2.ToString());
 307         AssertEquals("MyInt64_3.ToString()", MyString3, MyInt64_3.ToString());
 308         //test ToString(string format)
 309         for (int i=0; i < Formats1.Length; i++) {
 310                 AssertEquals("MyInt64_2.ToString(Formats1["+i+"])", Results1[i], MyInt64_2.ToString(Formats1[i]));
 311                 AssertEquals("MyInt64_3.ToString(Formats2["+i+"])", Results2[i], MyInt64_3.ToString(Formats2[i]));
 312         }
 313         //test ToString(string format, IFormatProvider provider);
 314         for (int i=0; i < Formats1.Length; i++) {
 315                 AssertEquals("MyInt64_2.ToString(Formats1["+i+"], Nfi)", ResultsNfi1[i], MyInt64_2.ToString(Formats1[i], Nfi));
 316                 AssertEquals("MyInt64_3.ToString(Formats2["+i+"], Nfi)", ResultsNfi2[i], MyInt64_3.ToString(Formats2[i], Nfi));
 317         }
 318         try {
 319                 MyInt64_1.ToString("z");
 320                 Fail("Should raise a System.FormatException");
 321         }
 322         catch (Exception e) {
 323                 AssertEquals("Exception is wrong type", typeof(FormatException), e.GetType());
 324         }
 325     }
 326
 327     public void TestUserCurrency()
 328     {
 329         string s= "";
 330         long v;
 331         int iTest = 1;
 332         try {
 333                 s = val1.ToString("c", NfiUser);
 334                 iTest++;
 335                 AssertEquals("Currency value type 1 is not what we want to try to parse", sval1UserCur1, s);
 336                 iTest++;
 337                 v = Int64.Parse(s, NumberStyles.Currency, NfiUser);
 338                 iTest++;
 339                 Assert(v == val1);
 340         } catch (Exception e) {
 341                 Fail ("1 Unexpected exception at iTest = " + iTest + ", s = " + s + ":e = " + e);
 342         }
 343
 344         iTest = 1;
 345         try {
 346                 s = val2.ToString("c", NfiUser);
 347                 iTest++;
 348                 AssertEquals("Currency value type 2 is not what we want to try to parse", sval2UserCur1, s);
 349                 iTest++;
 350                 v = Int64.Parse(s, NumberStyles.Currency, NfiUser);
 351                 iTest++;
 352                 Assert(v == val2);
 353         } catch (Exception e) {
 354                 Fail ("2 Unexpected exception at iTest = " + iTest + ":e = " + e);
 355         }
 356     }
 357
 358     public void TestUserPercent()
 359     {
 360         string s;
 361
 362         s = val1.ToString("p", NfiUser);
 363         Assert(s.Equals(sval1UserPercent1));
 364
 365         s = val2.ToString("p", NfiUser);
 366         Assert(s.Equals(sval2UserPercent1));
 367     }
 368
 369                 [Test]
 370                 public void Parse_MaxValue ()
 371                 {
 372                         AssertEquals ("9223372036854775807", Int64.MaxValue, Int64.Parse ("9223372036854775807"));
 373                 }
 374
 375                 [Test]
 376                 public void Parse_MinValue ()
 377                 {
 378                         AssertEquals ("-9223372036854775808,10", Int64.MinValue, Int64.Parse ("-9223372036854775808"));
 379                 }
 380
 381                 [Test]
 382                 [ExpectedException (typeof (OverflowException))]
 383                 public void Parse_OverByOneMaxValue ()
 384                 {
 385                         Int64.Parse ("9223372036854775808");
 386                 }
 387
 388                 [Test]
 389                 [ExpectedException (typeof (OverflowException))]
 390                 [Category("NotWorking")]
 391                 public void Parse_WayOverMaxValue ()
 392                 {
 393                         Int64.Parse ("1" + Int64.MaxValue.ToString ());
 394                 }
 395
 396                 [Test]
 397                 [ExpectedException (typeof (OverflowException))]
 398                 public void Parse_OverByOneMinValue ()
 399                 {
 400                         Int64.Parse ("-9223372036854775809");
 401                 }
 402
 403                 [Test]
 404                 [ExpectedException (typeof (OverflowException))]
 405                 public void Parse_WayOverMinValue ()
 406                 {
 407                         Int64.Parse (Int64.MinValue.ToString () + "1");
 408                 }
 409
 410                 [Test]
 411                 public void ToString_Defaults ()
 412                 {
 413                         Int64 i = 254;
 414                         // everything defaults to "G"
 415                         string def = i.ToString ("G");
 416                         AssertEquals ("ToString()", def, i.ToString ());
 417                         AssertEquals ("ToString((IFormatProvider)null)", def, i.ToString ((IFormatProvider)null));
 418                         AssertEquals ("ToString((string)null)", def, i.ToString ((string)null));
 419                         AssertEquals ("ToString(empty)", def, i.ToString (String.Empty));
 420                         AssertEquals ("ToString(null,null)", def, i.ToString (null, null));
 421                         AssertEquals ("ToString(empty,null)", def, i.ToString (String.Empty, null));
 422
 423                         AssertEquals ("ToString(G)", "254", def);
 424                 }
 425         }
 426 }