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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;
/// <summary>
/// System.Text.StringBuilder.Replace(oldChar,newChar,startIndex,count)
/// </summary>
class StringBuilderReplace2
{
private const int c_MIN_STRING_LEN = 8;
private const int c_MAX_STRING_LEN = 256;
private const int c_MAX_SHORT_STR_LEN = 31;//short string (<32 chars)
private const int c_MIN_LONG_STR_LEN = 257;//long string ( >256 chars)
private const int c_MAX_LONG_STR_LEN = 65535;
public static int Main()
{
StringBuilderReplace2 test = new StringBuilderReplace2();
TestLibrary.TestFramework.BeginTestCase("for Method:System.Text.StringBuilder.Replace(oldChar,newChar,indexStart,count)");
if (test.RunTests())
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("PASS");
return 100;
}
else
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("FAIL");
return 0;
}
}
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;
retVal = NegTest2() && retVal;
return retVal;
}
#region Positive test scenarios
public bool PosTest1()
{
bool retVal = true;
const string c_TEST_DESC = "PosTest1: Old char does not exist in source StringBuilder, random new char. ";
const string c_TEST_ID = "P001";
char oldChar = TestLibrary.Generator.GetChar(-55);
int length = c_MIN_STRING_LEN+TestLibrary.Generator.GetInt32(-55) %(c_MAX_STRING_LEN-c_MIN_STRING_LEN);
int index = 0;
char ch;
string oldString = string.Empty;
while (index < length)
{
ch = TestLibrary.Generator.GetChar(-55);
if (oldChar == ch)
{
continue;
}
oldString += ch.ToString();
index++;
}
int startIndex = TestLibrary.Generator.GetInt32(-55) % oldString.Length;
int count = TestLibrary.Generator.GetInt32(-55) % (oldString.Length - startIndex);
int indexChar = oldString.IndexOf(oldChar, startIndex, count);
char newChar = TestLibrary.Generator.GetChar(-55);
while (oldString.IndexOf(newChar, startIndex, count) > -1)
{
newChar = TestLibrary.Generator.GetChar(-55);
}
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder(oldString);
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
stringBuilder.Replace(oldChar, newChar,startIndex,count);
if ((indexChar != stringBuilder.ToString().IndexOf(newChar,startIndex,count)) || (-1 != stringBuilder.ToString().IndexOf(oldChar,startIndex,count)))
{
TestLibrary.TestFramework.LogError("001", "StringBuilder\"" + oldString + "\" can't corrently Replace \"" + oldChar.ToString() + "\" to \"" + newChar + "\" from index of StringBuilder :" + startIndex.ToString() + "to count " + count.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002" + " TestId-" + c_TEST_ID, "Unexpected exception: " + e );
retVal = false;
}
return retVal;
}
public bool posTest2()
{
bool retVal = true;
const string c_TEST_DESC = "PosTest2: Old char exists in source StringBuilder, random new char. ";
const string c_TEST_ID = "P002";
string oldString = TestLibrary.Generator.GetString(-55, false, c_MIN_STRING_LEN, c_MAX_STRING_LEN);
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder(oldString);
int startIndex = TestLibrary.Generator.GetInt32(-55) % oldString.Length;
int count = TestLibrary.Generator.GetInt32(-55) % (oldString.Length - startIndex);
char oldChar;
if (count == 0)
{
oldChar = oldString[0];
}
else
{
oldChar = oldString[startIndex + TestLibrary.Generator.GetInt32(-55) % count];
}
int indexChar = oldString.IndexOf(oldChar, startIndex, count);
char newChar = TestLibrary.Generator.GetChar(-55);
while (oldString.IndexOf(newChar, startIndex, count) > -1)
{
newChar = TestLibrary.Generator.GetChar(-55);
}
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
stringBuilder.Replace(oldChar, newChar, startIndex, count);
if ((indexChar != stringBuilder.ToString().IndexOf(newChar, startIndex, count)) || (-1 != stringBuilder.ToString().IndexOf(oldChar, startIndex, count)))
{
TestLibrary.TestFramework.LogError("003", "StringBuilder\"" + oldString + "\" can't corrently Replace \"" + oldChar.ToString() + "\" to \"" + newChar + "\" from index of StringBuilder :" + startIndex.ToString() + "to count " + count.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004" + " TestId-" + c_TEST_ID, "Unexpected exception: " + e );
retVal = false;
}
return retVal;
}
public bool PosTest3()
{
bool retVal = true;
const string c_TEST_DESC = "PosTest3: Verify StringBuilder Replace char that stringBuilder includes ";
const string c_TEST_ID = "P003";
string oldString = TestLibrary.Generator.GetString(-55, false, 0, 0);
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder(oldString);
int startIndex = 0;
int count = 0;
char oldChar = TestLibrary.Generator.GetChar(-55);
char newChar = TestLibrary.Generator.GetChar(-55);
int indexChar = oldString.IndexOf(oldString, startIndex, count);
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
if (-1 != stringBuilder.ToString().IndexOf(newChar, startIndex, count))
{
TestLibrary.TestFramework.LogError("005", "StringBuilder\"" + oldString + "\" can't corrently Replace \"" + oldChar.ToString() + "\" to \"" + newChar + "\" from index of StringBuilder :" + startIndex.ToString() + "to count " + count.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("006" + " TestId-" + c_TEST_ID, "Unexpected exception: " + e );
retVal = false;
}
return retVal;
}
#endregion
#region NegitiveTesting
public bool NegTest1()
{
bool retVal = true;
const string c_TEST_DESC = "NegTest1: Start index is larger than source StringBuilder's length";
const string c_TEST_ID = "N001";
string strSrc = TestLibrary.Generator.GetString(-55, false, c_MIN_STRING_LEN, c_MAX_STRING_LEN);
char oldChar = TestLibrary.Generator.GetChar(-55);
char newChar = TestLibrary.Generator.GetChar(-55);
int startIndex = strSrc.Length +TestLibrary.Generator.GetInt32(-55) % (Int32.MaxValue - strSrc.Length);
int count = TestLibrary.Generator.GetInt32(-55);
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder(strSrc);
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
stringBuilder.Replace(oldChar, newChar, startIndex, count);
TestLibrary.TestFramework.LogError("007" + " TestId-" + c_TEST_ID, "ArgumentOutOfRangeException is not thrown as expected." + GetDataString(strSrc, startIndex,count,oldChar,newChar));
retVal = false;
}
catch (ArgumentOutOfRangeException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("008" + " TestId-" + c_TEST_ID, "Unexpected exception: " + e + GetDataString(strSrc, startIndex,count,oldChar,newChar));
retVal = false;
}
return retVal;
}
public bool NegTest2()
{
bool retVal = true;
const string c_TEST_DESC = "NegTest1: Replace count is larger than source StringBuilder's length";
const string c_TEST_ID = "N002";
string strSrc = TestLibrary.Generator.GetString(-55, false, c_MIN_STRING_LEN, c_MAX_STRING_LEN);
char oldChar = TestLibrary.Generator.GetChar(-55);
char newChar = TestLibrary.Generator.GetChar(-55);
int startIndex = TestLibrary.Generator.GetInt32(-55) % strSrc.Length;
int count = strSrc.Length - startIndex + TestLibrary.Generator.GetInt32(-55);
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder(strSrc);
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
stringBuilder.Replace(oldChar, newChar, startIndex, count);
TestLibrary.TestFramework.LogError("009" + " TestId-" + c_TEST_ID, "ArgumentOutOfRangeException is not thrown as expected." + GetDataString(strSrc, startIndex,count,oldChar,newChar));
retVal = false;
}
catch (ArgumentOutOfRangeException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("010" + " TestId-" + c_TEST_ID, "Unexpected exception: " + e + GetDataString(strSrc, startIndex,count,oldChar,newChar));
retVal = false;
}
return retVal;
}
#endregion
#region Helper methords for testing
private string GetDataString(string strSrc, int startIndex, int count,char oldChar,char newChar)
{
string str1, str;
int len1;
if (null == strSrc)
{
str1 = "null";
len1 = 0;
}
else
{
str1 = strSrc;
len1 = strSrc.Length;
}
str = string.Format("\n[Source StingBulider value]\n \"{0}\"", str1);
str += string.Format("\n[Length of source StringBuilder]\n {0}", len1);
str += string.Format("\n[Start index ]\n{0}", startIndex);
str += string.Format("\n[Replace count]\n{0}", count);
str += string.Format("\n[Old char]\n{0}", oldChar);
str += string.Format("\n[New char]\n{0}", newChar);
return str;
}
#endregion
}
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