本文整理汇总了C++中PriorityQueue::length方法的典型用法代码示例。如果您正苦于以下问题：C++ PriorityQueue::length方法的具体用法？C++ PriorityQueue::length怎么用？C++ PriorityQueue::length使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PriorityQueue的用法示例。
在下文中一共展示了PriorityQueue::length方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: testPriorityQueue
void testPriorityQueue(){
PriorityQueue<int> mycontainer;
cout << "\n\n Begin test function for the PriorityQueue<T> class\n";
// Testing the enqueue function
cout << "Testing size of new empty container: " << mycontainer.length() << endl;
cout << "Testing enqueue(1), length(), and isEmpty() functions. mycontainer is empty? "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
mycontainer.enqueue(1);
cout << "Size is " << mycontainer.length() << endl;
cout << "Testing enqueue(2), length(), and isEmpty() functions. mycontainer is empty? "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
mycontainer.enqueue(2);
cout << "Size is " << mycontainer.length() << endl;
cout << "Testing enqueue(2), length(), and isEmpty() functions. mycontainer is empty? "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
mycontainer.enqueue(2);
cout << "Size is " << mycontainer.length() << endl;
cout << "Testing enqueue(2), length(), and isEmpty() functions. mycontainer is empty? "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
mycontainer.enqueue(2);
cout << "Size is " << mycontainer.length() << endl;
cout << "Testing enqueue(2), length(), and isEmpty() functions. mycontainer is empty? "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
mycontainer.enqueue(2);
cout << "Size is " << mycontainer.length() << endl;
cout << "Testing enqueue(2), length(), and isEmpty() functions. mycontainer is empty? "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
cout << "Size is " << mycontainer.length() << endl << endl;
int size = mycontainer.length();
cout << "Testing pop_back(), front(), back(), length() and isEmpty() functions \n"
<< "in a for loop with iterations greater than container size.";
for (int i = 0; i < size + 1; i++) {
cout << "\nIteration: " << i + 1 << "\n";
if (!mycontainer.isEmpty()) {
cout << " mycontainer is empty? " << (mycontainer.isEmpty() ? " true\n" : "false\n");
cout << "PriorityQueue size before pop is " << mycontainer.length() << endl;
//cout<<"Front of container is " << mycontainer.front()<<endl;
//cout<<"Back of container is " << mycontainer.back()<<endl;
//cout << "Popping: " << mycontainer.front() << endl << endl;
mycontainer.pop_back();
} else {
cout << "The PriorityQueue is empty.\n";
}
cout << "PriorityQueue size is now: " << mycontainer.length() << endl;
}
cout << "\nFinished for loop\n";
cout << "\nTesting the reference for front() and back() functions.\n";
cout << "Start with int test = 7. mycontainer.enqueue(test)\n";
int test = 7;
mycontainer.enqueue(test);
cout << "Testing with test = 8. test=mycontainer.front(). mycontainer.front() = 13 \n";
test = 8;
test = mycontainer.front();
mycontainer.front() = 13;
cout << "Test is now " << test << " front of container is " << mycontainer.front()
<< " back of container is " << mycontainer.back() << endl;
test = 11;
mycontainer.enqueue(test);
cout << "Back of container is: " << mycontainer.back() << endl;
cout << "Test is now " << test << " front of container is " << mycontainer.front()
<< " back of container is " << mycontainer.back() << endl;
mycontainer.back() = test;
cout << "Test is now " << test << " front of container is " << mycontainer.front()
<< " back of container is " << mycontainer.back() << endl;
cout << "mycontainer size is " << mycontainer.length() << endl;
cout << "\nTesting the clear() function: \n";
mycontainer.clear();
cout << "mycontainer size now is " << mycontainer.length()
<< " mycontainer is empty: "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
cout << "\nTesting assignment operator: container2 = mycontainer\n";
cout << "Filling mycontainer with ints starting at 42\n";
size = 5;
// Fill mycontainer with ints to test copy constructor
for (int i = 0; i < size; i++) {
mycontainer.enqueue(i + 41);
}
cout << "mycontainer size now is " << mycontainer.length()
<< " mycontainer is empty: "
<< (mycontainer.isEmpty() ? " true\n" : "false\n");
PriorityQueue<int> container2;
container2 = mycontainer;
cout << "mycontainer size is: " << mycontainer.length() << endl;
cout << "container2 size is: " << container2.length() << endl;
cout << "Testing the contents of container2 and mycontainer using back() and pop_back() functions:\n";
size = container2.length();
for (int i = 0; i < size; i++) {
cout << "Attempting front and pop functions. Iteration: " << i + 1 << "\n";
//.........这里部分代码省略.........