public static bool Equals(MetaProgram.List thisObj, MetaProgram.List obj)
{
//If not a list
//if (!(obj is List))
// return false;
if (obj.Count() != thisObj.Count())
{
return(false);
}
//Same length
else
{
//Deep check
List current = thisObj;
List temp = obj;
while (current != null)
{
//Iterate
if (temp.value != current.value)
{
return(false);
}
current = current.next;
temp = temp.next;
}
}
return(true);
}
public static MetaProgram.List CreateList([PexAssumeNotNull] int[] arr)
{
MetaProgram.List list = new MetaProgram.List();
for (int i = 0; i < arr.Length; i++)
{
list.addToEndSolutionForReal(arr[i]); //Instructor factory
}
return(list);
}
public static MetaProgram.List CreateList_Student([PexAssumeNotNull] int[] arr)
{
MetaProgram.List list = new MetaProgram.List();
for (int i = 0; i < arr.Length; i++)
{
list.addToEnd(arr[i]); //Invoke students' addToEnd
}
return(list);
}
public static void Check1([PexAssumeUnderTest] MetaProgram.List l, [PexAssumeUnderTest] MetaProgram.List l2, int x)
{
PexAssume.IsTrue(MetaProgram.List.Equals(l, l2));
PexAssume.AreNotSame(l, l2);
PexAssume.IsTrue(l.Count() <= 1);
//int oldCount = l.Count();
PexObserve.ValueForViewing("old_count", l.Count());
//PexObserve.ValueForViewing("old_last", l.Last());
//l.addToEnd(x); //bad
//l.addToEnd2(x); //bad
l.addToEnd3(x); //bad
PexObserve.ValueForViewing("new_count", l.Count());
//PexObserve.ValueForViewing("new_last", l.Last());
l2.addToEndSolutionForReal(x); //Reference
PexAssert.IsTrue(MetaProgram.List.Equals(l, l2));
}
public static void Check([PexAssumeUnderTest] MetaProgram.List l, [PexAssumeUnderTest] MetaProgram.List l2, int x, int numIterations)
{
//Use PexAssume.IsTrue instead of Clone(), as not to give Pex any issues
PexAssume.IsTrue(l.Equals(l2));
//Ensure that Pex generates two distinct MetaProgram.List objects
PexAssume.AreNotSame(l, l2);
bool firstNull = false;
bool secondNull = false;
try
{
for (int i = 0; i < numIterations; i++)
{
l.addToEnd(x);
}
}
catch (NullReferenceException)
{
firstNull = true;
}
try
{
for (int j = 0; j < numIterations; j++)
{
l2.addToEndSolution(x);
}
}
catch (NullReferenceException)
{
secondNull = true;
}
bool passingCondition = ((firstNull == secondNull && firstNull == true) || (firstNull == secondNull && firstNull == false && l2.Equals(l)));
bool failingCondition = !passingCondition;
if (failingCondition)
{
throw new Exception();
}
}
public static void Check([PexAssumeUnderTest] MetaProgram.List l, [PexAssumeUnderTest] MetaProgram.List l2, [PexAssumeUnderTest] MetaProgram.List l3, int x, Boolean b, int numIterations)
{
bool firstNull = false;
bool secondNull = false;
PexAssume.IsTrue(l.Equals(l2));
PexAssume.IsTrue(l.Equals(l3));
//Ensure that Pex generates three distinct MetaProgram.List objects
PexAssume.AreNotSame(l, l2);
PexAssume.AreNotSame(l, l3);
// List l2 = l.Clone();
//List l3 = l.Clone();
try
{
for (int i = 0; i < numIterations; i++)
{
l.addToEnd(x);
}
}
catch (NullReferenceException)
{
firstNull = true;
}
try
{
for (int j = 0; j < numIterations; j++)
{
l2.addToEndSolution(x);
}
}
catch (NullReferenceException)
{
secondNull = true;
}
try
{
for (int j = 0; j < numIterations; j++)
{
l3.addToEndSolutionForReal(x);
}
}
catch (NullReferenceException)
{
Console.WriteLine("addToEndSolutionForReal got null refence exception!");
}
bool passingCondition = ((firstNull == secondNull && firstNull == true) || (firstNull == secondNull && firstNull == false && l2.Equals(l)));
bool failingCondition = !passingCondition;
if (failingCondition)
{
throw new Exception("Student submission is equivalent to correct solution, but is not equal to reference submission.");
}
//Implement Subsumption PUT
//Purpose: Determine if subsumption exists across submissions in different child...
//...clusters within same parent cluster
if (passingCondition)
{
if (b)
{
if (l3.Equals(l))
{
if (!l2.Equals(l))
{
throw new Exception("Exception 1: Student submission is equivalent to correct solution, but is not equal to reference submission.");
}
}
}
else
{
if (l3.Equals(l2))
{
if (!l2.Equals(l))
{
throw new Exception("Exception 2: Reference submission is equivalent to correct solution, but is not equal to student submission.");
}
}
}
}
}
public static void Check([PexAssumeUnderTest] MetaProgram.List l, [PexAssumeUnderTest] MetaProgram.List l4,
[PexAssumeUnderTest] MetaProgram.List l6, [PexAssumeUnderTest] MetaProgram.List l9,
[PexAssumeUnderTest] MetaProgram.List l10, [PexAssumeUnderTest] MetaProgram.List lSoln, int x)
{
/*PexAssume.IsTrue(MetaProgram.List.Equals(l, l4));
* PexAssume.IsTrue(MetaProgram.List.Equals(l4, l6));
* PexAssume.IsTrue(MetaProgram.List.Equals(l6, l9));
* PexAssume.IsTrue(MetaProgram.List.Equals(l9, l10));
* PexAssume.IsTrue(MetaProgram.List.Equals(l10, lSoln));*/
//PexAssume.AreDistinctReferences(new Object[] { l, l4, l6, l9, l10, lSoln });
PexAssume.IsTrue(MetaProgram.List.Equals(l9, lSoln));
PexAssume.AreDistinctReferences(new Object[] { l9, lSoln });
bool firstNull = false;
bool fourNull = false;
bool sixNull = false;
bool nineNull = false;
bool tenNull = false;
bool solnNull = false;
int count = 0;
/*
* try
* {
* l.addToEnd(x);
* }
* catch (NullReferenceException)
* {
* firstNull = true;
* }
*
*
*
* try
* {
* l4.addToEnd4(x);
* }
* catch (NullReferenceException)
* {
* fourNull = true;
* }
*
*
*
*
* try
* {
* l6.addToEnd6(x);
* }
* catch (NullReferenceException)
* {
* sixNull = true;
* }
*
*/
try
{
l9.addToEnd9(x);
}
catch (NullReferenceException)
{
nineNull = true;
}
/*
* try
* {
* l10.addToEnd10(x);
* }
* catch (NullReferenceException)
* {
* tenNull = true;
* }
* */
try
{
lSoln.addToEndSolutionForReal(x);
}
catch (NullReferenceException)
{
solnNull = true;
}
/*
* bool passingCondition1 = ((firstNull == solnNull && firstNull == true) || (firstNull == solnNull && firstNull == false && MetaProgram.List.Equals(l, lSoln)));
* bool failingCondition1 = !passingCondition1;
* if (failingCondition1)
* {
* count++;
* Console.WriteLine("sub1 not equal to instructor soln");
* }
*
*
*
* bool passingCondition4 = ((fourNull == solnNull && fourNull == true) || (fourNull == solnNull && fourNull == false && MetaProgram.List.Equals(l4, lSoln)));
* bool failingCondition4 = !passingCondition4;
* if (failingCondition4)
* {
* count++;
* Console.WriteLine("sub4 not equal to instructor soln");
* }
*
*
*
* bool passingCondition6 = ((sixNull == solnNull && sixNull == true) || (sixNull == solnNull && sixNull == false && MetaProgram.List.Equals(l6, lSoln)));
* bool failingCondition6 = !passingCondition6;
* if (failingCondition6)
* {
* count++;
* Console.WriteLine("sub6 not equal to instructor soln");
* }
*
*/
bool passingCondition9 = ((nineNull == solnNull && nineNull == true) || (nineNull == solnNull && nineNull == false && MetaProgram.List.Equals(l9, lSoln)));
bool failingCondition9 = !passingCondition9;
if (failingCondition9)
{
count++;
Console.WriteLine("sub9 not equal to instructor soln");
}
/*
* bool passingCondition10 = ((tenNull == solnNull && tenNull == true) || (tenNull == solnNull && tenNull == false && MetaProgram.List.Equals(l10, lSoln)));
* bool failingCondition10 = !passingCondition10;
* if (failingCondition10)
* {
* count++;
* Debug.WriteLine("sub10 not equal to instructor soln");
* }
*/
PexObserve.ValueForViewing("count", count);
PexAssert.IsTrue(count == 1); //<------ SUBJECT TO CHANGE!!!!
}
public static void Check([PexAssumeNotNull] MetaProgram.List l, int x, Boolean b)
{
bool firstNull = false;
bool secondNull = false;
List l2 = l.Clone();
List l3 = l.Clone();
bool notSubsumption = true;
try
{
l.addToEnd(x);
}
catch (NullReferenceException)
{
firstNull = true;
}
try
{
l2.addToEndSolution(x);
}
catch (NullReferenceException)
{
secondNull = true;
}
try
{
l3.addToEndSolutionForReal(x);
}
catch (NullReferenceException)
{
Console.WriteLine("addToEndSolutionForReal got null refence exception!");
}
bool passingCondition = ((firstNull == secondNull && firstNull == true) || (firstNull == secondNull && firstNull == false && l2.isEquals(l)));
bool failingCondition = !passingCondition;
if (failingCondition)
{
throw new Exception("Student submission is equivalent to correct solution, but is not equal to reference submission.");
}
//Implement Subsumption PUT
//Purpose: Determine if subsumption exists across submissions in different child...
//...clusters within same parent cluster
if (passingCondition)
{
if (b)
{
//s1 >= s2
if (l3.isEquals(l))
{
if (!l2.isEquals(l))
{
throw new Exception("Student submission is equivalent to correct solution, but is not equal to reference submission.");
}
}
}
else
{
//s2 >= s1
if (!l3.isEquals(l))
{
if (l3.isEquals(l2))
{
notSubsumption = false;
}
}
}
}
//Visualize the val of notSubsumption
PexObserve.ValueForViewing("notSubsumption", notSubsumption);
PexAssert.IsTrue(notSubsumption);
}