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//
// StringInfoTest.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
using NUnit.Framework;
using System;
using System.Globalization;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
namespace MonoTests.System.Globalization
{
[TestFixture]
public class StringInfoTest
{
[Test]
public void GetNextTextElement ()
{
Assert.AreEqual ("A", StringInfo.GetNextTextElement ("ABC", 0), "#1");
Assert.AreEqual ("C", StringInfo.GetNextTextElement ("ABC", 2), "#2");
Assert.AreEqual ("A\u0330", StringInfo.GetNextTextElement ("A\u0330BC", 0), "#3");
Assert.AreEqual ("B", StringInfo.GetNextTextElement ("A\u0330BC", 2), "#4");
// hmm ...
Assert.AreEqual (String.Empty, StringInfo.GetNextTextElement ("A\u0330BC", 4), "#4");
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void GetNextTextElementOutOfRange1 ()
{
StringInfo.GetNextTextElement ("ABC", -1);
}
[Test]
public void LengthInTextElements ()
{
Assert.AreEqual (3, new StringInfo ("ABC").LengthInTextElements, "#1");
Assert.AreEqual (5, new StringInfo (" ABC ").LengthInTextElements, "#2");
Assert.AreEqual (3, new StringInfo ("A\u0330BC\u0330").LengthInTextElements, "#3");
Assert.AreEqual (3, new StringInfo ("A\u0330\u0331BC\u0330").LengthInTextElements, "#4");
}
[Test]
public void SubstringByTextElements ()
{
StringInfo si = new StringInfo ("A\u0330BC\u0330");
Assert.AreEqual ("A\u0330BC\u0330", si.SubstringByTextElements (0), "#1");
Assert.AreEqual ("BC\u0330", si.SubstringByTextElements (1), "#2");
Assert.AreEqual ("C\u0330", si.SubstringByTextElements (2), "#3");
}
[Test]
public void DefaultConstructor ()
{
var info = new StringInfo ();
Assert.AreEqual (string.Empty, info.String);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void SubstringByTextElementsOutOfRange1 ()
{
new StringInfo ("A\u0330BC\u0330").SubstringByTextElements (-1);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void SubstringByTextElementsOutOfRange2 ()
{
new StringInfo ("A\u0330BC\u0330").SubstringByTextElements (4);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void SubstringByTextElementsOutOfRange3 ()
{
new StringInfo (String.Empty).SubstringByTextElements (0);
}
}
}
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