newQueueMain.cpp
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上传日期:2022-06-29
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书籍源码
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Visual C++
- /*
- * This file contains code from "C++ Primer, Fourth Edition", by Stanley B.
- * Lippman, Jose Lajoie, and Barbara E. Moo, and is covered under the
- * copyright and warranty notices given in that book:
- *
- * "Copyright (c) 2005 by Objectwrite, Inc., Jose Lajoie, and Barbara E. Moo."
- *
- *
- * "The authors and publisher have taken care in the preparation of this book,
- * but make no expressed or implied warranty of any kind and assume no
- * responsibility for errors or omissions. No liability is assumed for
- * incidental or consequential damages in connection with or arising out of the
- * use of the information or programs contained herein."
- *
- * Permission is granted for this code to be used for educational purposes in
- * association with the book, given proper citation if and when posted or
- * reproduced.Any commercial use of this code requires the explicit written
- * permission of the publisher, Addison-Wesley Professional, a division of
- * Pearson Education, Inc. Send your request for permission, stating clearly
- * what code you would like to use, and in what specific way, to the following
- * address:
- *
- * Pearson Education, Inc.
- * Rights and Contracts Department
- * 75 Arlington Street, Suite 300
- * Boston, MA 02216
- * Fax: (617) 848-7047
- */
- #include <iostream>
- using std::cout; using std::endl;
- #include "newQueue.h"
- Queue<int> queue1;
- int main()
- {
- for (int ix = 0; ix != 1024; ++ix)
- queue1.push(ix);
- for (int ix = 0; ix != 1024; ++ix) {
- int i = queue1.front(); // check next item
- if (i != ix)
- cout << "Something's wrong! i = " << i
- << " ix = " << ix << endl;
- queue1.pop(); // and remove it
- }
- if (!queue1.empty())
- cout << "Queue is not empty but should be!" << endl;
- else
- cout << "OK, queue empty again" << endl;
- for (int ix = 0; ix != 1024; ++ix)
- queue1.push(ix);
- Queue<int> queue2(queue1); // use copy constructor
- for (int ix = 0; ix != 1024; ++ix) {
- int i = queue2.front(); // check next item
- if (i != ix)
- cout << "Something's wrong! i = " << i
- << " ix = " << ix << endl;
- queue2.pop(); // and remove it
- }
- if (!queue2.empty())
- cout << "queue2 is not empty but should be!" << endl;
- else
- cout << "OK, queue2 empty again" << endl;
- queue2 = queue1; // use asssignment operator
- for (int ix = 0; ix != 1024; ++ix) {
- int i = queue2.front();
- if (i != ix)
- cout << "Something's wrong! i = " << i
- << " ix = " << ix << endl;
- queue2.pop();
- }
- if (!queue2.empty())
- cout << "queue2 is not empty but should be!" << endl;
- else
- cout << "OK, queue2 empty again" << endl;
- }