private void RunCountAndAssertionsForCounterVisitorTest(NodeCounterVisitorBase <int> visitor, int expectedCount)
{
IChildSetIntegerTree mockTree = GenerateMockTree();
Assert.Zero(visitor.Count, "GIVEN: Expected node count to be zero before starting the operation");
mockTree.Accept(visitor);
Assert.AreEqual(expectedCount, visitor.Count, "Expected the visitor count to be equal to the # of nodes in the tree");
}
private void RunIntegerAccumulatorAndAssertCorrectResult(IIntegerAccumulationVisitor visitor,
int expectedBefore, int expectedAfter)
{
IChildSetIntegerTree mockTree = GenerateMockTree();
Assert.AreEqual(expectedBefore, visitor.Result, "GIVEN: Result before visitation is incorrect");
visitor.Visit(mockTree);
Assert.AreEqual(expectedAfter, visitor.Result, "Visitor's result is not as expected after visitation");
}
