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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Globalization;
/// <summary>
/// System.Globalization.StringInfo.GetTestElementEnumerator(string)
/// </summary>
public class StringInfoGetTextElementEnumerator1
{
private const int c_MINI_STRING_LENGTH = 8;
private const int c_MAX_STRING_LENGTH = 256;
#region Public Methods
public bool RunTests()
{
bool retVal = true;
TestLibrary.TestFramework.LogInformation("[Positive]");
retVal = PosTest1() && retVal;
retVal = PosTest2() && retVal;
retVal = PosTest3() && retVal;
TestLibrary.TestFramework.LogInformation("[Negative]");
retVal = NegTest1() && retVal;
return retVal;
}
#region Positive Test Cases
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: The argument is a random string");
try
{
string str = TestLibrary.Generator.GetString(-55, true, c_MINI_STRING_LENGTH, c_MAX_STRING_LENGTH);
TextElementEnumerator TextElementEnumerator = StringInfo.GetTextElementEnumerator(str);
int len = str.Length;
TextElementEnumerator.MoveNext();
for (int i = 0; i < len; i++)
{
if (TextElementEnumerator.Current.ToString() != str[i].ToString())
{
TestLibrary.TestFramework.LogError("001", "The result is not the value as expected,the str[i] is: " + str[i]);
retVal = false;
}
TextElementEnumerator.MoveNext();
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002", "Unexpected exception: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest2: The string has a surrogate pair");
try
{
string str = "\uDBFF\uDFFF";
TextElementEnumerator TextElementEnumerator = StringInfo.GetTextElementEnumerator("s\uDBFF\uDFFF$");
TextElementEnumerator.MoveNext();
if (TextElementEnumerator.Current.ToString() != "s")
{
TestLibrary.TestFramework.LogError("003", "The result is not the value as expected");
retVal = false;
}
TextElementEnumerator.MoveNext();
if (TextElementEnumerator.Current.ToString() != str)
{
TestLibrary.TestFramework.LogError("004", "The result is not the value as expected,the current is: " + TextElementEnumerator.Current.ToString());
retVal = false;
}
TextElementEnumerator.MoveNext();
if (TextElementEnumerator.Current.ToString() != "$")
{
TestLibrary.TestFramework.LogError("005", "The result is not the value as expected");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("006", "Unexpected exception: " + e);
retVal = false;
}
return retVal;
}
public bool PosTest3()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest3: The string has a combining character");
try
{
string str = "a\u20D1";
TextElementEnumerator TextElementEnumerator = StringInfo.GetTextElementEnumerator("13229^a\u20D1a");
for (int i = 0; i < 7; i++)
{
TextElementEnumerator.MoveNext();
}
if (TextElementEnumerator.Current.ToString() != str)
{
TestLibrary.TestFramework.LogError("007", "The result is not the value as expected,the current is: " + TextElementEnumerator.Current.ToString());
retVal = false;
}
TextElementEnumerator.MoveNext();
if (TextElementEnumerator.MoveNext())
{
TestLibrary.TestFramework.LogError("008", "The result is not the value as expected,the current is: " + TextElementEnumerator.Current.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("009", "Unexpected exception: " + e);
retVal = false;
}
return retVal;
}
#endregion
#region Nagetive Test Cases
public bool NegTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("NegTest1: The string is a null reference");
try
{
string str = null;
TextElementEnumerator TextElementEnumerator = StringInfo.GetTextElementEnumerator(str);
TestLibrary.TestFramework.LogError("101", "The ArgumentNullException was not thrown as expected");
retVal = false;
}
catch (ArgumentNullException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("102", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
#endregion
#endregion
public static int Main()
{
StringInfoGetTextElementEnumerator1 test = new StringInfoGetTextElementEnumerator1();
TestLibrary.TestFramework.BeginTestCase("StringInfoGetTextElementEnumerator1");
if (test.RunTests())
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("PASS");
return 100;
}
else
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("FAIL");
return 0;
}
}
}
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