public void PUT_EnqueueContract([PexAssumeUnderTest] Queue.Queue <int> s1, int x)
{
AssumePrecondition.IsTrue(true);
int Old_s1Count = s1.Count;
int Old_Top = s1.Count > 0 ? s1.Peek() : PexChoose.Value <int>("old_top");
//int Old_Top = s1.Count > 0 ? s1.Peek() : x - 1; // OldTop = x; x updates x = x-1
int Old_x = x;
bool Old_s1ContainsX = s1.Contains(x);
//bool Old_Empty = s1.Count == 0;
s1.Enqueue(x);
int New_s1Count = s1.Count;
int New_Top = s1.Peek();
bool New_s1ContainsX = s1.Contains(x);
//bool New_Empty = s1.Count == 0;
PexObserve.ValueForViewing("$old_s1_Count", Old_s1Count);
PexObserve.ValueForViewing("$new_s1_Count", New_s1Count);
PexObserve.ValueForViewing("$old_s1_Peek", Old_Top);
PexObserve.ValueForViewing("$new_s1_Peek", New_Top);
PexObserve.ValueForViewing("$old_s1_x", Old_x);
PexObserve.ValueForViewing("$old_s1_contains_x", Old_s1ContainsX);
PexObserve.ValueForViewing("$new_s1_contains_x", New_s1ContainsX);
//PexObserve.ValueForViewing("$Old_NotEmpty", Old_Empty);
//PexObserve.ValueForViewing("$New_NotEmpty", New_Empty);
Assert.True(((New_s1ContainsX && New_s1Count == 1 + Old_s1Count && (!(Old_s1ContainsX)) && New_s1Count >= 1) || (New_s1ContainsX && New_s1Count == 1 + Old_s1Count && New_Top == Old_Top && New_s1Count >= 2)));
}
public void PUT_EnqueueContract([PexAssumeUnderTest] Queue.Queue <int> s1, int x)
{
AssumePrecondition.IsTrue(true);
int Old_s1Count = s1.Count;
int Old_Top = s1.Count > 0 ? s1.Peek() : PexChoose.Value <int>("old_top");
//int Old_Top = s1.Count > 0 ? s1.Peek() : x+1;
//int Old_Top = PexChoose.Value<int>("old_top");
int Old_x = x;
bool Old_s1ContainsX = s1.Contains(x);
s1.Enqueue(x);
int New_s1Count = s1.Count;
int New_Top = s1.Peek();
int New_x = x;
bool New_s1ContainsX = s1.Contains(x);
PexObserve.ValueForViewing("$old_s1_Count", Old_s1Count);
PexObserve.ValueForViewing("$new_s1_Count", New_s1Count);
PexObserve.ValueForViewing("$old_s1_Peek", Old_Top);
PexObserve.ValueForViewing("$new_s1_Peek", New_Top);
PexObserve.ValueForViewing("$old_s1_x", Old_x);
PexObserve.ValueForViewing("$new_s1_x", New_x);
PexObserve.ValueForViewing("$old_s1_contains_x", Old_s1ContainsX);
PexObserve.ValueForViewing("$new_s1_contains_x", New_s1ContainsX);
Assert.True(((New_s1ContainsX && New_s1Count == 1 + Old_s1Count && New_x == Old_x && (!(Old_Top == New_s1Count)))));
}
public void PUT_ContainsContract([PexAssumeUnderTest] Queue.Queue <int> s1, int x)
{
int undefinedTop = PexChoose.Value <int>("old_top");
AssumePrecondition.IsTrue(true);
int Old_s1Count = s1.Count;
int Old_Top = s1.Count > 0 ? s1.Peek() : undefinedTop;
bool Old_s1ContainsX = s1.Contains(x);
/*Code */
bool New_Ret = s1.Contains(x);
int New_s1Count = s1.Count;
int New_Top = s1.Count > 0 ? s1.Peek() : undefinedTop;
bool New_s1ContainsX = s1.Contains(x);
PexObserve.ValueForViewing("$old_s1_Count", Old_s1Count);
PexObserve.ValueForViewing("$new_s1_Count", New_s1Count);
PexObserve.ValueForViewing("$old_s1_Peek", Old_Top);
PexObserve.ValueForViewing("$new_s1_Peek", New_Top);
PexObserve.ValueForViewing("$new_ret", New_Ret);
PexObserve.ValueForViewing("$old_s1_contains_x", Old_s1ContainsX);
PexObserve.ValueForViewing("$new_s1_contains_x", New_s1ContainsX);
Assert.True(((New_s1Count == Old_s1Count && New_Top == Old_Top)));
}
public void PUT_DequeueContract([PexAssumeUnderTest] Queue.Queue <int> s1)
{
AssumePrecondition.IsTrue(s1.Count > 0);
int Old_s1Count = s1.Count;
//int Old_Ret = PexChoose.Value<int>("old_ret");
int Old_Top = s1.Peek();
/*code*/
int New_Ret = s1.Dequeue();
//Old_ret = New_ret;
int New_Top = s1.Count > 0 ? s1.Peek() : PexChoose.Value <int>("old_ret");
//int New_Top = s1.Count > 0 ? s1.Peek() : Old_Top - 2;
int New_s1Count = s1.Count;
bool New_s1ContainsNewRet = s1.Contains(New_Ret);
PexObserve.ValueForViewing("$Old_s1_Count", Old_s1Count);
PexObserve.ValueForViewing("$New_s1_Count", New_s1Count);
PexObserve.ValueForViewing("$Old_s1_Peek", Old_Top);
PexObserve.ValueForViewing("$new_s1_Peek", New_Top);
//PexObserve.ValueForViewing("$Old_ret", Old_Ret);
PexObserve.ValueForViewing("$New_ret", New_Ret);
PexObserve.ValueForViewing("$New_s1ContainsNewRet", New_s1ContainsNewRet);
Assert.True(((New_s1Count == -1 + Old_s1Count && New_Ret == Old_Top && (!(New_Ret == Old_s1Count)))));
}
public void PUT_PeekContract([PexAssumeUnderTest] Queue.Queue <int> s1)
{
AssumePrecondition.IsTrue(s1.Count > 0);
int Old_s1Count = s1.Count;
//int Old_Top = s1.Peek();
/*Code */
int New_Ret = s1.Peek();
int New_s1Count = s1.Count;
//int New_Top = s1.Peek();
bool New_s1ContainsNewRet = s1.Contains(New_Ret);
PexObserve.ValueForViewing("$old_s1_Count", Old_s1Count);
PexObserve.ValueForViewing("$new_s1_Count", New_s1Count);
//PexObserve.ValueForViewing("$old_s1_Peek", Old_Top);
//PexObserve.ValueForViewing("$new_s1_Peek", New_Top);
PexObserve.ValueForViewing("$new_ret", New_Ret);
PexObserve.ValueForViewing("$New_s1ContainsNewRet", New_s1ContainsNewRet);
Assert.True(((New_s1Count == Old_s1Count && New_s1ContainsNewRet && Old_s1Count >= 1)));
}