class/corlib/Test/System.Globalization/StringInfoTest.cs

   1 //
   2 // StringInfoTest.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2007 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 using NUnit.Framework;
  11 using System;
  12 using System.Globalization;
  13 using System.IO;
  14 using System.Runtime.Serialization;
  15 using System.Runtime.Serialization.Formatters.Binary;
  16
  17 namespace MonoTests.System.Globalization
  18 {
  19
  20         [TestFixture]
  21         public class StringInfoTest
  22         {
  23                 [Test]
  24                 public void GetNextTextElement ()
  25                 {
  26                         Assert.AreEqual ("A", StringInfo.GetNextTextElement ("ABC", 0), "#1");
  27                         Assert.AreEqual ("C", StringInfo.GetNextTextElement ("ABC", 2), "#2");
  28                         Assert.AreEqual ("A\u0330", StringInfo.GetNextTextElement ("A\u0330BC", 0), "#3");
  29                         Assert.AreEqual ("B", StringInfo.GetNextTextElement ("A\u0330BC", 2), "#4");
  30
  31                         // hmm ...
  32 #if NET_2_0 // it causes ArgumentOutOfRangeException in 1.x, not worthy to test it anymore
  33                         Assert.AreEqual (String.Empty, StringInfo.GetNextTextElement ("A\u0330BC", 4), "#4");
  34 #endif
  35                 }
  36
  37                 [Test]
  38                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  39                 public void GetNextTextElementOutOfRange1 ()
  40                 {
  41                         StringInfo.GetNextTextElement ("ABC", -1);
  42                 }
  43
  44 #if NET_2_0
  45                 [Test]
  46                 public void LengthInTextElements ()
  47                 {
  48                         Assert.AreEqual (3, new StringInfo ("ABC").LengthInTextElements, "#1");
  49                         Assert.AreEqual (5, new StringInfo (" ABC ").LengthInTextElements, "#2");
  50                         Assert.AreEqual (3, new StringInfo ("A\u0330BC\u0330").LengthInTextElements, "#3");
  51                         Assert.AreEqual (3, new StringInfo ("A\u0330\u0331BC\u0330").LengthInTextElements, "#4");
  52                 }
  53
  54                 [Test]
  55                 public void SubstringByTextElements ()
  56                 {
  57                         StringInfo si = new StringInfo ("A\u0330BC\u0330");
  58                         Assert.AreEqual ("A\u0330BC\u0330", si.SubstringByTextElements (0), "#1");
  59                         Assert.AreEqual ("BC\u0330", si.SubstringByTextElements (1), "#2");
  60                         Assert.AreEqual ("C\u0330", si.SubstringByTextElements (2), "#3");
  61                 }
  62
  63                 [Test]
  64                 public void DefaultConstructor ()
  65                 {
  66                         var info = new StringInfo ();
  67                         Assert.AreEqual (string.Empty, info.String);
  68                 }
  69
  70                 [Test]
  71                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  72                 public void SubstringByTextElementsOutOfRange1 ()
  73                 {
  74                         new StringInfo ("A\u0330BC\u0330").SubstringByTextElements (-1);
  75                 }
  76
  77                 [Test]
  78                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  79                 public void SubstringByTextElementsOutOfRange2 ()
  80                 {
  81                         new StringInfo ("A\u0330BC\u0330").SubstringByTextElements (4);
  82                 }
  83
  84                 [Test]
  85                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  86                 public void SubstringByTextElementsOutOfRange3 ()
  87                 {
  88                         new StringInfo (String.Empty).SubstringByTextElements (0);
  89                 }
  90 #endif
  91         }
  92
  93 }