mcs/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                         Assert.AreEqual (String.Empty, StringInfo.GetNextTextElement ("A\u0330BC", 4), "#4");
  33                 }
  34
  35                 [Test]
  36                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  37                 public void GetNextTextElementOutOfRange1 ()
  38                 {
  39                         StringInfo.GetNextTextElement ("ABC", -1);
  40                 }
  41
  42                 [Test]
  43                 public void LengthInTextElements ()
  44                 {
  45                         Assert.AreEqual (3, new StringInfo ("ABC").LengthInTextElements, "#1");
  46                         Assert.AreEqual (5, new StringInfo (" ABC ").LengthInTextElements, "#2");
  47                         Assert.AreEqual (3, new StringInfo ("A\u0330BC\u0330").LengthInTextElements, "#3");
  48                         Assert.AreEqual (3, new StringInfo ("A\u0330\u0331BC\u0330").LengthInTextElements, "#4");
  49                 }
  50
  51                 [Test]
  52                 public void SubstringByTextElements ()
  53                 {
  54                         StringInfo si = new StringInfo ("A\u0330BC\u0330");
  55                         Assert.AreEqual ("A\u0330BC\u0330", si.SubstringByTextElements (0), "#1");
  56                         Assert.AreEqual ("BC\u0330", si.SubstringByTextElements (1), "#2");
  57                         Assert.AreEqual ("C\u0330", si.SubstringByTextElements (2), "#3");
  58                 }
  59
  60                 [Test]
  61                 public void DefaultConstructor ()
  62                 {
  63                         var info = new StringInfo ();
  64                         Assert.AreEqual (string.Empty, info.String);
  65                 }
  66
  67                 [Test]
  68                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  69                 public void SubstringByTextElementsOutOfRange1 ()
  70                 {
  71                         new StringInfo ("A\u0330BC\u0330").SubstringByTextElements (-1);
  72                 }
  73
  74                 [Test]
  75                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  76                 public void SubstringByTextElementsOutOfRange2 ()
  77                 {
  78                         new StringInfo ("A\u0330BC\u0330").SubstringByTextElements (4);
  79                 }
  80
  81                 [Test]
  82                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  83                 public void SubstringByTextElementsOutOfRange3 ()
  84                 {
  85                         new StringInfo (String.Empty).SubstringByTextElements (0);
  86                 }
  87         }
  88
  89 }