public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: Resource of the Enumerator should be released after Dispose().");
try
{
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
TestEnumerator.MoveNext();
TestEnumerator.Dispose();
string TestString = TestEnumerator.Current;
TestLibrary.TestFramework.LogError("P01.1", "Resource of the Enumerator have not been released after Dispose()!");
retVal = false;
}
catch (InvalidOperationException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("P01.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool NegTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("NegTest1: InvalidOperationException should be thrown when the collection was modified after the enumerator was created.");
try
{
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
TestQueue.Enqueue("four");
TestEnumerator.MoveNext();
TestLibrary.TestFramework.LogError("N01.1", "InvalidOperationException is not thrown when the collection was modified after the enumerator was created!");
retVal = false;
}
catch (InvalidOperationException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("N01.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: The enumerator should be positioned at the first element in the collection after MoveNext().");
try
{
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
TestEnumerator.MoveNext();
string TestString = TestEnumerator.Current;
if (TestString != "one")
{
TestLibrary.TestFramework.LogError("P01.1", "The enumerator is not positioned at the first element in the collection after MoveNext()!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("P01.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool NegTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("NegTest2: InvalidOperationException should be thrown when the enumerator is positioned after the last element of the collection.");
try
{
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
TestEnumerator.MoveNext();
TestEnumerator.MoveNext();
TestEnumerator.MoveNext();
TestEnumerator.MoveNext();
string TestString = TestEnumerator.Current;
TestLibrary.TestFramework.LogError("N02.1", "InvalidOperationException is not thrown when the enumerator is positioned after the last element of the collection!");
retVal = false;
}
catch (InvalidOperationException)
{
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("N02.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: Test whether GetEnumerator() is successful when the queue is not empty.");
try
{
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
TestEnumerator.MoveNext();
for (int i = 0; i < TestQueue.Count; i++)
{
if (TestQueue.ToArray()[i] != TestEnumerator.Current)
{
TestLibrary.TestFramework.LogError("P01.1", "GetEnumerator() failed when the queue is not empty!");
retVal = false;
}
TestEnumerator.MoveNext();
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("P01.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest2: Test whether GetEnumerator() is successful when the queue is empty.");
try
{
Queue <string> TestQueue = new Queue <string>();
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
try
{
string CurrentElement = TestEnumerator.Current;
TestLibrary.TestFramework.LogError("P02.1", "GetEnumerator() failed when the queue is empty!");
retVal = false;
}
catch (InvalidOperationException)
{
}
bool b = TestEnumerator.MoveNext();
if (b != false)
{
TestLibrary.TestFramework.LogError("P02.2", "GetEnumerator() failed when the queue is empty!");
retVal = false;
}
try
{
string CurrentElement = TestEnumerator.Current;
TestLibrary.TestFramework.LogError("P02.3", "GetEnumerator() failed when the queue is empty!");
retVal = false;
}
catch (InvalidOperationException)
{
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("P02.4", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool PosTest4()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest4: With a Queue that contains three items, MoveNext returns true the first three times and returns false every time it is called after that.");
try
{
bool b;
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
for (int i = 0; i < 3; i++)
{
b = TestEnumerator.MoveNext();
if (!b)
{
TestLibrary.TestFramework.LogError("P04.1", "MoveNext() failed!");
retVal = false;
}
}
b = TestEnumerator.MoveNext();
if (b)
{
TestLibrary.TestFramework.LogError("P04.1", "MoveNext() failed!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("P04.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
public bool PosTest3()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest3: The enumerator should be positioned after the last element in the collection after MoveNext() passed the end of collection.");
try
{
Queue <string> TestQueue = new Queue <string>();
TestQueue.Enqueue("one");
TestQueue.Enqueue("two");
TestQueue.Enqueue("three");
Queue <string> .Enumerator TestEnumerator;
TestEnumerator = TestQueue.GetEnumerator();
bool bSuc;
bSuc = TestEnumerator.MoveNext();
bSuc = TestEnumerator.MoveNext();
bSuc = TestEnumerator.MoveNext();
bSuc = TestEnumerator.MoveNext();
bSuc = TestEnumerator.MoveNext();
bSuc = TestEnumerator.MoveNext();
if (bSuc)
{
TestLibrary.TestFramework.LogError("P03.1", "The enumerator is not positioned after the last element in the collection after MoveNext() passed the end of collection!");
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("P03.2", "Unexpected exception: " + e);
TestLibrary.TestFramework.LogVerbose(e.StackTrace);
retVal = false;
}
return(retVal);
}
