public PrgState OneStep(PrgState state)
{
IMyStack <IStatement> stack = state.Stack;
if (!(stack.IsEmpty()))
{
IStatement statement = stack.Pop();
return(statement.Execute(state));
}
return(null);
}
public void MyStack_1_Constructor_1_IsEmptyReturnsTrue()
{
// Arrange
IMyStack <string> stack = DSBuilder.CreateMyStack();
bool expected = true;
// Act
bool actual = stack.IsEmpty();
// Assert
Assert.AreEqual(expected, actual);
}
public PrgState OneStep(PrgState state)
{
IMyStack <IStmt> stk = state.ExeStack;
if (stk.IsEmpty())
{
throw new Exception("The execution stack is empty");
}
IStmt crtStmt = stk.Pop();
return(crtStmt.Execute(state));
}
public void MyStack_2_Push_1_IsEmptyReturnsFalse()
{
// Arrange
IMyStack <string> stack = DSBuilder.CreateMyStack();
bool expected = false;
// Act
stack.Push("a");
bool actual = stack.IsEmpty();
// Assert
Assert.AreEqual(expected, actual);
}
public void MyStack_4_Pop_2_IsEmptyReturnsTrueAfterTopOnOneElement()
{
// Arrange
IMyStack <string> stack = DSBuilder.CreateMyStack();
bool expected = true;
// Act
stack.Push("a");
stack.Pop();
bool actual = stack.IsEmpty();
// Assert
Assert.AreEqual(expected, actual);
}
public void MyStack_3_Top_2_IsEmptyReturnsFalseAfterTopOnOneElement()
{
// Arrange
IMyStack <int> stack = DSBuilder.CreateMyArrayListStack();
bool expected = false;
// Act
stack.Push(1);
stack.Top();
bool actual = stack.IsEmpty();
// Assert
Assert.AreEqual(expected, actual);
}
