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using System;
using System.Text;
/// <summary>
/// Insert(System.Int32,System.String)
/// </summary>
public class StringBuilderInsert3
{
#region Private Fields
private const int c_LENGTH_OF_STRING = 256;
#endregion
#region Public Methods
public bool RunTests()
{
bool retVal = true;
TestLibrary.TestFramework.LogInformation("[Positive]");
retVal = PosTest1() && retVal;
retVal = PosTest2() && retVal;
retVal = PosTest3() && retVal;
retVal = PosTest4() && retVal;
TestLibrary.TestFramework.LogInformation("[Negative]");
retVal = NegTest1() && retVal;
retVal = NegTest2() && retVal;
return retVal;
}
#region Positive Test Cases
public bool PosTest1()
{
bool retVal = true;
string randString = null;
TestLibrary.TestFramework.BeginScenario("PosTest1: Call insert on empty string builder instance");
try
{
randString = TestLibrary.Generator.GetString(-55, false, c_LENGTH_OF_STRING, c_LENGTH_OF_STRING);
StringBuilder builder = new StringBuilder();
StringBuilder newBuilder = builder.Insert(0, randString);
string actualString = newBuilder.ToString();
if (!randString.Equals(actualString))
{
TestLibrary.TestFramework.LogError("001.1", "Calling insert on empty string builder instance returns wrong string builder instance");
TestLibrary.TestFramework.LogInformation("WARNING [LOCAL VARIABLES] randString = " + randString + ", actualString = " + actualString);
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("001.0", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation("WARNING [LOCAL VARIABLES] randString = " + randString);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
public bool PosTest2()
{
bool retVal = true;
string randString = null;
int randIndex = 0;
TestLibrary.TestFramework.BeginScenario("PosTest2: Call insert on a non empty string builder instance");
try
{
randString = TestLibrary.Generator.GetString(-55, false, c_LENGTH_OF_STRING, c_LENGTH_OF_STRING);
randIndex = TestLibrary.Generator.GetByte(-55);
StringBuilder builder = new StringBuilder(randString);
StringBuilder newBuilder = builder.Insert(randIndex, randString);
string actualString = newBuilder.ToString();
char[] characters = new char[randString.Length + randString.Length];
int index = 0;
for (int i = 0; i < randIndex; ++i)
{
characters[index++] = randString[i];
}
for (int i = 0; i < randString.Length; ++i)
{
characters[index++] = randString[i];
}
for (int i = randIndex; i < randString.Length; ++i)
{
characters[index++] = randString[i];
}
string desiredString = new string(characters);
if (!desiredString.Equals(actualString))
{
TestLibrary.TestFramework.LogError("002.1", "Calling insert on a non empty string builder instance returns wrong string builder instance");
TestLibrary.TestFramework.LogInformation("WARNING [LOCAL VARIABLES] randString = " + randString + ", actualString = " + actualString + ", desiredString = " + desiredString + ", randIndex = " + randIndex);
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002.0", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation("WARNING [LOCAL VARIABLES] randString = " + randString + ", randIndex = " + randIndex);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
public bool PosTest3()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest3: Call insert on empty string builder instance with value is null reference");
try
{
StringBuilder builder = new StringBuilder();
StringBuilder newBuilder = builder.Insert(0, null as string);
string actualString = newBuilder.ToString();
if (!actualString.Equals(String.Empty))
{
TestLibrary.TestFramework.LogError("003.1", "Calling insert on empty string builder instance with value is null reference returns wrong string builder instance");
TestLibrary.TestFramework.LogInformation("WARNING [LOCAL VARIABLES] actualString = " + actualString);
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("003.0", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
public bool PosTest4()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest4: Call insert on empty string builder instance with value is String.Empty");
try
{
StringBuilder builder = new StringBuilder();
StringBuilder newBuilder = builder.Insert(0, String.Empty);
string actualString = newBuilder.ToString();
if (!actualString.Equals(String.Empty))
{
TestLibrary.TestFramework.LogError("004.1", "Calling insert on empty string builder instance with value is String.Empty returns wrong string builder instance");
TestLibrary.TestFramework.LogInformation("WARNING [LOCAL VARIABLES] actualString = " + actualString);
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004.0", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
#endregion
#region Nagetive Test Cases
public bool NegTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("NegTest1: ArgumentOutOfRangeException should be thrown when index is less than zero");
try
{
StringBuilder builder = new StringBuilder();
builder.Insert(-1, String.Empty);
TestLibrary.TestFramework.LogError("101.1", "ArgumentOutOfRangeException is not thrown when index is less than zero");
retVal = false;
}
catch (ArgumentOutOfRangeException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("101.0", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
public bool NegTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("NegTest2: ArgumentOutOfRangeException should be thrown when index is greater than the current length of this instance.");
try
{
StringBuilder builder = new StringBuilder();
builder.Insert(1, String.Empty);
TestLibrary.TestFramework.LogError("102.1", "ArgumentOutOfRangeException is not thrown when index is greater than the current length of this instance.");
retVal = false;
}
catch (ArgumentOutOfRangeException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("102.0", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogInformation(e.StackTrace);
retVal = false;
}
return retVal;
}
#endregion
#endregion
public static int Main()
{
StringBuilderInsert3 test = new StringBuilderInsert3();
TestLibrary.TestFramework.BeginTestCase("StringBuilderInsert3");
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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