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using System;
using System.Text;
/// <summary>
/// StringBuilder.Capacity Property
/// Gets or sets the maximum number of characters that can be contained
/// in the memory allocated by the current instance.
/// </summary>
public class StringBuilderCapacity
{
private const int c_MIN_STR_LEN = 1;
private const int c_MAX_STR_LEN = 260;
private const int c_MAX_CAPACITY = Int16.MaxValue;
public static int Main()
{
StringBuilderCapacity testObj = new StringBuilderCapacity();
TestLibrary.TestFramework.BeginTestCase("for property: StringBuilder.Capacity");
if(testObj.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;
TestLibrary.TestFramework.LogInformation("[Negative]");
retVal = NegTest1() && retVal;
retVal = NegTest2() && retVal;
retVal = NegTest3() && retVal;
return retVal;
}
#region Positive tests
public bool PosTest1()
{
bool retVal = true;
const string c_TEST_ID = "P001";
const string c_TEST_DESC = "PosTest1: Get the capacity property";
string errorDesc;
StringBuilder sb;
int actualCapacity, expectedCapacity;
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
string str = TestLibrary.Generator.GetString(-55, false, c_MIN_STR_LEN, c_MAX_STR_LEN);
expectedCapacity = str.Length
+ TestLibrary.Generator.GetInt32(-55) % (c_MAX_CAPACITY - str.Length + 1);
sb = new StringBuilder(str, expectedCapacity);
actualCapacity = sb.Capacity;
if (actualCapacity != expectedCapacity)
{
errorDesc = "Capacity of current StringBuilder " + sb + " is not the value ";
errorDesc += string.Format("{0} as expected: actual({1})", expectedCapacity, actualCapacity);
TestLibrary.TestFramework.LogError("001" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
}
catch (Exception e)
{
errorDesc = "Unexpected exception: " + e;
TestLibrary.TestFramework.LogError("002" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
return retVal;
}
public bool PosTest2()
{
bool retVal = true;
const string c_TEST_ID = "P002";
const string c_TEST_DESC = "PosTest2: Set the capacity property";
string errorDesc;
StringBuilder sb;
int actualCapacity, expectedCapacity;
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
string str = TestLibrary.Generator.GetString(-55, false, c_MIN_STR_LEN, c_MAX_STR_LEN);
sb = new StringBuilder(str);
expectedCapacity = str.Length
+ TestLibrary.Generator.GetInt32(-55) % (c_MAX_CAPACITY - str.Length + 1);
sb.Capacity = expectedCapacity;
actualCapacity = sb.Capacity;
if (actualCapacity != expectedCapacity)
{
errorDesc = "Capacity of current StringBuilder " + sb + " is not the value ";
errorDesc += string.Format("{0} as expected: actual({1})", expectedCapacity, actualCapacity);
TestLibrary.TestFramework.LogError("003" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
}
catch (Exception e)
{
errorDesc = "Unexpected exception: " + e;
TestLibrary.TestFramework.LogError("004" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
return retVal;
}
#endregion
#region Negative tests
//ArgumentOutOfRangeException
public bool NegTest1()
{
bool retVal = true;
const string c_TEST_ID = "N001";
const string c_TEST_DESC = "NegTest1: The value specified for a set operation is less than the current length of this instance.";
string errorDesc;
StringBuilder sb;
int capacity, currentInstanceLength;
string str = TestLibrary.Generator.GetString(-55, false, c_MIN_STR_LEN, c_MAX_STR_LEN);
sb = new StringBuilder(str);
currentInstanceLength = str.Length;
capacity = TestLibrary.Generator.GetInt32(-55) % currentInstanceLength;
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
sb.Capacity = capacity;
errorDesc = "ArgumentOutOfRangeException is not thrown as expected.";
errorDesc += string.Format("\nString value of StringBuilder is {0}", str);
errorDesc += string.Format("\nCurrent length of instance is {0}, capacity specified is {1}",
currentInstanceLength, capacity);
TestLibrary.TestFramework.LogError("005" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
catch (ArgumentOutOfRangeException)
{ }
catch (Exception e)
{
errorDesc = "Unexpected exception: " + e;
errorDesc += string.Format("\nString value of StringBuilder is {0}", str);
errorDesc += string.Format("\nCurrent length of instance is {0}, capacity specified is {1}",
currentInstanceLength, capacity);
TestLibrary.TestFramework.LogError("006" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
return retVal;
}
public bool NegTest2()
{
bool retVal = true;
const string c_TEST_ID = "N002";
const string c_TEST_DESC = "NegTest2: The value specified for a set operation is less than zero.";
string errorDesc;
StringBuilder sb;
int capacity, currentInstanceLength;
string str = TestLibrary.Generator.GetString(-55, false, c_MIN_STR_LEN, c_MAX_STR_LEN);
sb = new StringBuilder(str);
currentInstanceLength = str.Length;
capacity = -1 * TestLibrary.Generator.GetInt32(-55) - 1;
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
sb.Capacity = capacity;
errorDesc = "ArgumentOutOfRangeException is not thrown as expected.";
errorDesc += string.Format("\nString value of StringBuilder is {0}", str);
errorDesc += string.Format("\nCurrent length of instance is {0}, capacity specified is {1}",
currentInstanceLength, capacity);
TestLibrary.TestFramework.LogError("007" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
catch (ArgumentOutOfRangeException)
{ }
catch (Exception e)
{
errorDesc = "Unexpected exception: " + e;
errorDesc += string.Format("\nString value of StringBuilder is {0}", str);
errorDesc += string.Format("\nCurrent length of instance is {0}, capacity spdified is {1}",
currentInstanceLength, capacity);
TestLibrary.TestFramework.LogError("008" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
return retVal;
}
public bool NegTest3()
{
bool retVal = true;
const string c_TEST_ID = "N003";
const string c_TEST_DESC = "NegTest3: The value specified for a set operation is greater than the maximum capacity.";
string errorDesc;
StringBuilder sb;
int capacity;
int maxCapacity = TestLibrary.Generator.GetInt32(-55) % c_MAX_CAPACITY;
sb = new StringBuilder(0, maxCapacity);
capacity = maxCapacity + 1 + TestLibrary.Generator.GetInt32(-55) % (int.MaxValue - maxCapacity);
TestLibrary.TestFramework.BeginScenario(c_TEST_DESC);
try
{
sb.Capacity = capacity;
errorDesc = "ArgumentOutOfRangeException is not thrown as expected.";
errorDesc += string.Format("\nMaximum capacity of instance is {0}, capacity spdified is {1}",
maxCapacity, capacity);
TestLibrary.TestFramework.LogError("009" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
catch (ArgumentOutOfRangeException)
{ }
catch (Exception e)
{
errorDesc = "Unexpected exception: " + e;
errorDesc += string.Format("\nMaximum capacity of instance is {0}, capacity spdified is {1}",
maxCapacity, capacity);
TestLibrary.TestFramework.LogError("010" + " TestId-" + c_TEST_ID, errorDesc);
retVal = false;
}
return retVal;
}
#endregion
}
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