|
//Project33.cpp //Date 11/30/2001 //Author: Us //////////////////////////////////////////////////// //includes //////////////////////////////////////////////////// #include <iostream.h> #include <string.h> #include <stdlib.h> #include <time.h> //////////////////////////////////////////////////// // constants //////////////////////////////////////////////////// const int MAX_LEN = 20; const int UNDEFINED = -99; const char *testNames[] = { "Chair", "Table", "Spoon", "Knife", "Phone", "Couch", "Drive", "Mouse", "Clock", "Cable", "Plier", "Paper", "Stand", "Stool" }; const int testWeights[] = { 11, 22, 33, 44, 55, 66, 77, 88, 99, 12, 13, 14, 15, 16 }; const int MAX_NAMES = sizeof(testNames)/sizeof(testNames[0]); const int MAX_ITEMS = 30; //////////////////////////////////////////////////// // test functions //////////////////////////////////////////////////// void testInput(void); void testSetName(void); void testSetWeight(void); void testConstructor(void); void testConstructorCh(void); void testConstructorCopy(void); void testSet(void); void testOperatorEqual(void); void testGetName(void); void testGetWeight(void); void testOperatorLessThan(void); void testOperatorAssign(void); void testOperatorInsertion(void); void testOperatorExtraction(void); void testConstructorCDInventory(void); void testConstructor2CDInventory(void); void testConstructor3CDInventory(void); void testSortBubbleCDInventory(void); void testIsSortedCDInventory(void); void testShuffleCDInventory(void); void testOperatorAssignCIDnventory(void); void testSortSelectionCDInventory(void); void testSortInsertionCDInventory(void); void testSortByCountingCDInventory(void); void testDisplayDistinctCDInventory(void); void testInsertCDInventory(void); void testRemoveCDInventory(void); void testRemoveDupesCDInventory(void); void testCopyConstructorCDInventory(void); // 11/09/2001 void testOperatorEqualCDInventory(void); // 11/09/2001 void testOperatorLessThanOrEqual(void); // 11/09/2001 void testOperatorGreaterThan(void); // 11/09/2001 void testOperatorGreaterThanOrEqual(void); // 11/09/2001 void testDisplaySummaryCountsCDInventory(void);// 11/12/2001 void testIsEqualToDupesRemoved(void); // 11/16/2001 void testMergePurgeCDInventory(void); // 11/16/2001 void testAll(void); // 11/16/2001 //////////////////////////////////////////////////// // CDItem class //////////////////////////////////////////////////// class CDItem { public: char m_name[MAX_LEN+1]; int m_weight; CDItem* m_next; public: CDItem(void); CDItem(char name[], int weight); CDItem(char ch); CDItem(const CDItem &item); CDItem* addOfNext(void) { return m_next; } void input(void); void display(void) const; void set(char name[], int weight); void setName(char name[]); void setWeight(int weight); char * getName(void); int getWeight(void); bool operator < (const CDItem &i2); bool operator <= (const CDItem &i2); // 11/09/2001 bool operator > (const CDItem &i2); // 11/09/2001 bool operator >= (const CDItem &i2); // 11/09/2001 CDItem & operator = (const CDItem &i2); friend bool operator ==(const CDItem &i1, const CDItem &i2); friend ostream & operator << (ostream &bob, const CDItem &item); friend istream & operator >> (istream &joe, CDItem &item); //friend ostream & operator << (ostream &bob, const CDInventory &inv); friend class CDInventory; }; //////////////////////////////////////////////////// // CDInventory class //////////////////////////////////////////////////// class CDInventory { private: int m_count; CDItem *m_ptr; void swap(CDItem &i1, CDItem &i2) { CDItem tempItem; tempItem = i1; i1 = i2; i2 = tempItem; }; public: CDInventory(void); CDInventory(int n); CDInventory(char ch); CDInventory(const CDInventory &inv); // 11/09/2001 ~CDInventory(void); void sortBubble(void); bool isSorted(void); void shuffle(void); void sortSelection(void); // 11/09/2001 void sortInsertion(void); void sortByCounting(void); void displayDistinct(void); bool insert(const CDItem &item); // 11/02/2001 bool remove(int index); // 11/05/2001 int removeDupes(void); // 11/07/2001 void displaySummaryCounts(void); // 11/12/2001 bool isEqualToDupesRemoved(const CDInventory &inv);// 11/16/2001 int mergePurge(const CDInventory &inv2); // 11/16/2001 CDInventory & operator = (const CDInventory &inv2); bool operator == (const CDInventory &inv2); // 11/09/2001 bool operator != (const CDInventory &inv2); friend ostream & operator << (ostream &bob, const CDInventory &inv); friend istream & operator >> (istream &joe, CDInventory &inv); }; //////////////////////////////////////////////////// // main function //////////////////////////////////////////////////// void main(void) { srand( (unsigned)time( NULL ) ); //srand(4); //testInput(); //testConstructor(); //testConstructorCh(); //testConstructorCopy(); //testSetName(); //testSetWeight(); //testSet(); //testOperatorEqual(); //testGetName(); //testGetWeight(); //testOperatorLessThan(); //testOperatorAssign(); //testOperatorInsertion(); //testOperatorExtraction(); //mainProject03(); //testConstructorCDInventory(); // 11/28/2001 testConstructor2CDInventory(); // 11/28/2001 //testConstructor3CInventory(); //testSortBubbleCInventory(); //testIsSortedCInventory(); //testShuffleCInventory(); //testSortSelectionCInventory(); //testSortInsertionCInventory(); //testSortByCountingCInventory(); //testOperatorAssignCInventory(); //testDisplayDistinctCInventory(); //testInsertCDInventory(); // 11/28/2001 //testRemoveCInventory(); //testRemoveDupesCInventory(); //testCopyConstructorCInventory(); //testOperatorEqualCInventory(); //testOperatorLessThanOrEqual(); //testOperatorGreaterThan(); //testOperatorGreaterThanOrEqual(); //testDisplaySummaryCountsCInventory(); //testIsEqualToDupesRemoved(); //testMergePurgeCInventory(); //testAll(); } /* void testAll(void) { testInput(); testConstructor(); testConstructorCh(); testConstructorCopy(); testSetName(); testSetWeight(); testSet(); testOperatorEqual(); testGetName(); testGetWeight(); testOperatorLessThan(); testOperatorAssign(); testOperatorInsertion(); testOperatorExtraction(); testConstructorCInventory(); testConstructor2CInventory(); testConstructor3CInventory(); testSortBubbleCInventory(); testIsSortedCInventory(); testShuffleCInventory(); testSortSelectionCInventory(); testSortInsertionCInventory(); testSortByCountingCInventory(); testOperatorAssignCInventory(); testDisplayDistinctCInventory(); testInsertCInventory(); testRemoveCInventory(); testRemoveDupesCInventory(); testCopyConstructorCInventory(); testOperatorEqualCInventory(); testOperatorLessThanOrEqual(); testOperatorGreaterThan(); testOperatorGreaterThanOrEqual(); testDisplaySummaryCountsCInventory(); testIsEqualToDupesRemoved(); testMergePurgeCInventory(); } */ //////////////////////////////////////////////////// //int mergePurge(const CDInventory &inv2) //////////////////////////////////////////////////// /* merges self with inv2 and removes duplicates returns the number of duplicates removed in this process Algorithm 0: Inserts all the items from inv2 to self Deletes all duplicates from self */ //////////////////////////////////////////////////// /* int CDInventory::mergePurge(const CDInventory &inv2) { for (int i=0; i<=inv2.m_count-1; i++) this->insert(inv2.m_items[i]); return this->removeDupes(); } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testMergePurgeCInventory(void); //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testMergePurgeCInventory(void) { for (int i=1; i<=10; i++) { CDInventory inv1(rand()%MAX_ITEMS/2); CDInventory inv2(rand()%MAX_ITEMS/2); cout << "inv1 =\n"; cout << inv1 << endl; cout << "inv2 =\n"; cout << inv2 << endl; int j = inv1.mergePurge(inv2); cout << "After j = inv1.mergePurge(inv2);\n"; cout << "j = " << j << endl; cout << "inv1 =\n"; cout << inv1 << endl; cout << "inv2 =\n"; cout << inv2 << endl; cout << "-----------------------------------\n"; } } */ //////////////////////////////////////////////////// // bool CDInventory::isEqualToDupesRemoved(const CDInventory &inv) //////////////////////////////////////////////////// /* test1. count of originalInv should be >= the distinctInv test2. distinctInv should not have duplicate records test3. for every record in originalInv there must be only one matching record in distinctInv test4. for every record in distinctInv there must one or more matching records in originalInv test5. sum of occurrences of matching records each record from distinctInv in originalInv should be equal to the total records in originalInv. */ //////////////////////////////////////////////////// /* bool CDInventory::isEqualToDupesRemoved(const CDInventory &inv) { bool allPassed = true; bool thisPassed; //test1. count of originalInv should be >= the distinctInv/ { if (this->m_count >= inv.m_count) cout << "test1: passed\n"; else { allPassed = false; cout << "test1: failed\n"; } } //test2. distinctInv should not have duplicate records/ { thisPassed = true; int i, j; for (i=0; i<inv.m_count-1; i++) { for (j=i+1; j<m_count; j++) if (inv.m_items[i] == inv.m_items[j]) { allPassed = false; thisPassed = false; break; } if (!thisPassed) break; } if (thisPassed) cout << "test2: passed\n"; else cout << "test2: failed\n"; } //test3. for every record in originalInv there must be only // one matching record in distinctInv { thisPassed = true; int i, j, copies; for (i=0; i<this->m_count; i++) { copies = 0; for (j=0; j<inv.m_count; j++) if (this->m_items[i] == inv.m_items[j]) copies++; if (copies != 1) { thisPassed = false; allPassed = false; break; } } if (thisPassed) cout << "test3: passed\n"; else cout << "test3: failed\n"; } //test4. for every record in distinctInv there must one or // more matching records in originalInv { thisPassed = true; int i, j, copies; for (i=0; i<inv.m_count; i++) { copies = 0; for (j=0; j<this->m_count; j++) if (inv.m_items[i] == this->m_items[j]) copies++; if (copies < 1) { thisPassed = false; allPassed = false; break; } } if (thisPassed) cout << "test4: passed\n"; else cout << "test4: failed\n"; } //test5. sum of occurrences of matching records each record // from distinctInv in originalInv should be equal to // the total records in originalInv. { thisPassed = true; int i, j, total; total = 0; for (i=0; i<inv.m_count; i++) { for (j=0; j<this->m_count; j++) if (inv.m_items[i] == this->m_items[j]) total++; } if (total != this->m_count) { thisPassed = false; allPassed = false; } if (thisPassed) cout << "test5: passed\n"; else cout << "test5: failed\n"; } return allPassed; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testIsEqualToDupesRemoved(void); //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testIsEqualToDupesRemoved(void) { for (int i=1; i<=10; i++) { { cout << "===================================\n"; cout << "Test Case#:" << i << endl; cout << "===================================\n"; CDInventory originalInv('r'); CDInventory distinctInv(originalInv); cout << "originalInv =\n"; cout << originalInv << endl; distinctInv.removeDupes(); cout << "distinctInv=\n"; cout << distinctInv; if (originalInv.isEqualToDupesRemoved(distinctInv)) cout << "distinctInv has only distinct records\n"; else cout << "distinctInv does not have distinct records\n"; } { CDInventory originalInv('r'); CDInventory distinctInv('r'); cout << "\noriginalInv =\n"; cout << originalInv << endl; cout << "distinctInv=\n"; cout << distinctInv; if (originalInv.isEqualToDupesRemoved(distinctInv)) cout << "distinctInv has only distinct records\n"; else cout << "distinctInv does not have distinct records\n"; } cout << "-----------------------------------\n"; } } */ //////////////////////////////////////////////////// //void CDInventory::displaySummaryCounts(void); //////////////////////////////////////////////////// /* displays the count and name of each item from the list Input: [72, 34, 72, 45, 72, 34] 1 0 1 0 1 0 Output: 3 [72] 2 [34] 1 [45] Algorithm 0: Initialze the counts[] = 1 Initialze the visited[] = false do the following for i=0 to count-1 //find the first value not yet visited if visited[i] = false then visited[i] = 1; //find the duplicates on right of it for j=i+1 to count-1 do if items[i] == items[j] then counts[i]++ visited[j] = true; end if end for j Display counts[i] and items[i] end if end for Algorithm 1: Initialze the visited[] = false do the following for i=0 to count-1 //find the first value not yet visited if visited[i] = false then visited[i] = true; dupes = 1 //find the duplicates on right of it for j=i+1 to count-1 do if items[i] == items[j] then dupes++ visited[j] = true; end if end for j Display dupes and items[i] end if end for */ //////////////////////////////////////////////////// //void CDInventory::displaySummaryCounts(void) //////////////////////////////////////////////////// /* void CDInventory::displaySummaryCounts(void) { int i, j; //Initialze the visited[] = false bool visited[MAX_ITEMS]; for (i=0; i<this->m_count; i++) visited[i] = false; int copies; int grandCount=0; for (i=0; i<this->m_count; i++) //find the first value not yet visited if (!visited[i]) { visited[i] = true; copies = 1; //find the duplicates on right of it for (j=i+1; j<=this->m_count-1; j++) if (this->m_items[i] == this->m_items[j]) { copies++; visited[j] = true; } cout << copies << ' ' << this->m_items[i]; grandCount = grandCount + copies; } cout << "grandCount=" << grandCount << endl; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testDisplaySummaryCountsCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testDisplaySummaryCountsCInventory(void) { cout << "testDisplaySummaryCountsCInventory\n"; cout << "----------------------------------\n"; for (int i=1; i<=5; i++) { cout << "Case #" << i << endl; CDInventory myInv('r'); cout << myInv; cout << "Summary counts\n"; myInv.displaySummaryCounts(); } } */ //////////////////////////////////////////////////// // bool CDInventory::operator == (const CDInventory &inv2) //////////////////////////////////////////////////// /* bool CDInventory::operator == (const CDInventory &inv2) { if (this->m_count != inv2.m_count) return false; for (int i=0; i<inv2.m_count; i++) if (!(this->m_items[i] == inv2.m_items[i])) return false; return true; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorEqualCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testOperatorEqualCInventory(void) { cout << "testOperatorEqualCInventory\n"; cout << "---------------------------\n"; for (int i=1; i<=5; i++) { CDInventory myInv('r'); CDInventory yourInv(myInv); cout << myInv << endl; cout << yourInv << endl; if (myInv == yourInv) cout << "Are equal\n"; else cout << "Are NOT equal\n"; } } */ //////////////////////////////////////////////////// // CDInventory::CDInventory(const CDInventory &inv) //////////////////////////////////////////////////// /* CDInventory::CDInventory(const CDInventory &inv) { this->m_count = inv.m_count; for (int i=0; i<inv.m_count; i++) this->m_items[i] = inv.m_items[i]; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testCopyConstructorCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testCopyConstructorCInventory(void) { cout << "testCopyConstructorCInventory\n"; cout << "-----------------------------\n"; for (int i=1; i<=5; i++) { CDInventory myInv('r'); CDInventory yourInv(myInv); cout << myInv << endl; cout << yourInv << endl; if (myInv == yourInv) cout << "Worked\n"; else cout << "DID NOT WORK\n"; } } */ //////////////////////////////////////////////////// //int CDInventory::removeDupes(void) //////////////////////////////////////////////////// /* Removes duplicate records from the object returns the number of records removed [12, 22, 19, 19, 22, 12] [12, 22, 19, 22, 12] [12, 22, 19] Algorithm0: Go from left to right deleting duplicates Algorithm1: i=0 Shoot dupes from j=i+1 to count-1 i=i+1 goto Shoot statement if i<count-1 Algorithm2: i=0 while i < count-1 Shoot dupes from j=i+1 to count-1 i=i+1 end while [66 25 19] 0 1 2 count=3 i j 0 1..2 1 2..2 2 Algorithm3: i=0 countRemoved=0 while i < count-1 //Shoot dupes from j=i+1 to count-1 for j=i+1 to count-1 if items[i] = items[j] then remove(j) increase countRemoved by 1 end if i=i+1 end while */ //////////////////////////////////////////////////// /* int CDInventory::removeDupes(void) { int i=0, j; int countRemoved = 0; while (i < this->m_count-1) { //Shoot dupes from j=i+1 to count-1 j=i+1; while (j<=this->m_count-1) { if (this->m_items[i] == this->m_items[j]) { this->remove(j); countRemoved++; } else j++; } i++; } return countRemoved; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testRemoveCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testRemoveDupesCInventory(void) { cout << "testRemoveDupesCInventory\n"; cout << "=========================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << "Original\n"; cout << yourInv; cout << "Removed " << yourInv.removeDupes() << endl; cout << yourInv; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // CDInventory::remove(int index) //////////////////////////////////////////////////// /* delete the item at index in range (0..count-1) Possibilities: index > count-1 index < 0 index >= 0 and <=count-1 Version 0: if index is out of range then return false else delete item at index position return true end if Version 1: if index <0 or index > count-1 return false else //delete item at index position for i=index to count-2 items[i] = items[i+1] end for items[count-1] = nothing count-- return true end if */ //////////////////////////////////////////////////// /* bool CDInventory::remove(int index) { if ((index <0) || (index > this->m_count-1)) return false; else //delete item at index position { for (int i=index; i<=this->m_count-2; i++) this->m_items[i] = this->m_items[i+1]; CDItem nullItem; this->m_items[m_count-1] = nullItem; this->m_count--; return true; } } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testRemoveCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testRemoveCInventory(void) { cout << "testRemoveCInventory\n"; cout << "====================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << "Original\n"; cout << yourInv; int index = rand()%10; cout << "Attempting to remove item at "<< index << endl; if(yourInv.remove(index)) cout << "Removed\n"; else cout << "Not removed\n"; cout << yourInv; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // CDInventory::~CDInventory(void) //////////////////////////////////////////////////// CDInventory::~CDInventory(void) { CDItem *p; while (this->m_ptr != NULL) { p = this->m_ptr; //this->m_ptr = this->m_ptr->m_next; //this->m_ptr = p->addOfNext(); //this->m_ptr = this->m_ptr->addOfNext(); m_ptr = m_ptr->addOfNext(); cout << "Deleting " << *p ; delete p; } } //////////////////////////////////////////////////// // bool CDInventory::insert(const CDItem &item) //////////////////////////////////////////////////// /*insert item to inventory if count = MAX_ITEMS then return false items[count] = item count++ return true */ //////////////////////////////////////////////////// bool CDInventory::insert(const CDItem &item) //11/02/2001 { CDItem *p; p = new CDItem(item); if (NULL == p) return false; p->m_next = this->m_ptr; this->m_ptr = p; this->m_count++; return true; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testInsertCDInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ void testInsertCDInventory(void) { cout << "testInsertCDInventory\n"; cout << "=====================\n"; for (int i=0; i<=5; i++) { CDInventory *invPtr; invPtr = new CDInventory; for (int j=0; j<5; j++) { cout << "Original\n"; cout << *invPtr; CDItem item('r'); if(invPtr->insert(item)) cout << "success\n"; else cout << "OVERFLOW\n"; cout << "After inserting " << item; cout << *invPtr; cout << "-------------------\n"; } delete invPtr; } } //////////////////////////////////////////////////// // void displayDistinct(void); //////////////////////////////////////////////////// /* input: [23, 21, 23, 13, 21, 21, 16, 13] output:[23, 21, 13, 16] Algorithm0: display the first value From 2nd to last display if not displayed Algorithm1: display items[0] for i=1 to count-1 do the following display items[i] if not displayed Algorithm2: display items[0] for i=1 to count-1 do the following display items[i] if it does not match with any previous value Algorithm3: display items[0] for i=1 to count-1 do the following if items[i] <> items[0..i-1] then display it Algorithm4: display items[0] for i=1 to count-1 do the following visited = false for j=0 to i-1 do the following if items[i] = items[j] then visited = true end for if not visited then display items[i] end for Algorithm5: display items[0] for i=1 to count-1 do the following visited = false for j=0 to i-1 do the following if items[i] = items[j] then visited = true get out of this for loop end if end for if not visited then display items[i] end for Algorithm6: if count <= 0 exit function display items[0] for i=1 to count-1 do the following visited = false for j=0 to i-1 do the following if items[i] = items[j] then visited = true get out of this for loop end if end for if not visited then display items[i] end for Algorithm7: for i=0 to count-1 do the following visited = false for j=0 to i-1 do the following if items[i] = items[j] then visited = true get out of this for loop end if end for if not visited then display items[i] end for */ //////////////////////////////////////////////////// /* void CDInventory::displayDistinct(void) { for (int i=0; i<=this->m_count-1; i++) { bool visited = false; for(int j=0; j<=i-1; j++) if (this->m_items[i] == this->m_items[j]) { visited = true; break; } if (!visited) cout << this->m_items[i]; } } /* //++++++++++++++++++++++++++++++++++++++++++++++++++ // testDisplayDistinctCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ void testDisplayDistinctCInventory(void) { cout << "testDisplayDistinctCInventory\n"; cout << "=============================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << "Original\n"; cout << yourInv; cout << "DIstinct\n"; yourInv.displayDistinct(); cout << "-------------------\n"; } for (i=0; i<=5; i++) { CDInventory *invPtr; invPtr = new CDInventory('r'); cout << "Original\n"; cout << invPtr << endl; cout << *invPtr; cout << "-------------------\n"; } } /* //////////////////////////////////////////////////// //void sortByCounting(void); //////////////////////////////////////////////////// //Sorting by counting /* items[] = [66, 37, 29, 28, 61, 98] counts[]= { 0, 0, 0, 0, 0, 0} [66, 37, 29, 28, 61, 98] { 0, 0, 0, 0, 0, 0} [66, 37, 29, 28, 61, 98] { 4, 0, 0, 0, 0, 1} [66, [37, 29, 28, 61, 98] { 4, [2, 0, 0, 1, 2} [66, 37, [29, 28, 61, 98] { 4, 2, [1, 0, 2, 3} [66, 37, 29, [28, 61, 98] { 4, 2, 1, [0, 3, 4} [66, 37, 29, 28, [61, 98] { 4, 2, 1, 0, [3, 5} [66, 37, 29, 28, 61, 98] is items[] { 4, 2, 1, 0, 3, 5} is counts[] place values based on counts [28, 29, 37, 61, 66, 98] is tItems[] 0 1 2 3 4 5 Version 0: Initialize the counts[] Update the counts[] by incrementing Place values in a new list based on counts[] Copy new list to old list Version 1: //Initialize the counts[] for i=0 to count-1 counts[i] = 0 //Update the counts[] by incrementing for i=0 to count-2 for j=i+1 to count-1 if items[i] > items[j] then counts[i]++ else counts[j]++ end if end for end for //Place values in a tItems[] based on counts[] for i=0 to count-1 tItems[counts[i]] = items[i] end for //Copy new list to old list for i=0 to count-1 items[i] = tItems[i] end for */ //////////////////////////////////////////////////// /* void CDInventory::sortByCounting(void) { //Initialize the counts[] int counts[MAX_ITEMS]; for (int i=0; i<=this->m_count-1; i++) counts[i] = 0; int k; cout << "counts[]: "; for (k=0; k<=this->m_count-1; k++) cout << counts[k] << ' '; cout << endl; //Update the counts[] by incrementing int j; for (i=0; i<=this->m_count-2; i++) //because last value is lonely for (j=i+1; j<=this->m_count-1; j++) { if (this->m_items[j] < this->m_items[i]) counts[i]++; else counts[j]++; cout << "counts[]: "; for (k=0; k<=this->m_count-1; k++) cout << counts[k] << ' '; cout << endl; } //Place values in a tItems[] based on counts[] CDItem tItems[MAX_ITEMS]; for (i=0; i<=this->m_count-1; i++) tItems[counts[i]] = this->m_items[i]; //Copy new list to old list for (i=0; i<=this->m_count-1; i++) this->m_items[i] = tItems[i]; } /* //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSortByCountingCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ void testSortByCountingCInventory(void) { cout << "testSortByCountingCInventory\n"; cout << "============================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << yourInv; cout << "After sortByCounting\n"; yourInv.sortByCounting(); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "-------------------\n"; } } /* //////////////////////////////////////////////////// //void CDInventory::sortInsertion(void) //////////////////////////////////////////////////// /* /* Algorithm: [66], 37, 29, 28, 61, 98 [37, 66], 29, 28, 61, 98 [29, 37, 66], 28, 61, 98 [28, 29, 37, 66], 61, 98 [28, 29, 37, 61, 66], 98 [28, 29, 37, 61, 66, 98] Version 0: --------- if count <= 1 then exit function do the following count-1 times using i=1 to count-1 insert the ith value s.t. items[0..i] are sorted Version 1: --------- if count <= 1 then exit function do the following count-1 times using i=1 to count-1 //insert the ith value s.t. items[0..i] are sorted k = i step1: if item[k] >= items[k-1] then exit for else swap items[k], items[k-1] k = k-1 if k > 0 then goto step1: Version 2: --------- if count <= 1 then exit function do the following count-1 times using i=1 to count-1 //insert the ith value s.t. items[0..i] are sorted k = i do { if item[k] >= items[k-1] then exit do (inner) else swap items[k], items[k-1] k = k-1 end if } while (k>0) end do (outer) Version 3: --------- if count <= 1 then exit function do the following count-1 times using i=1 to count-1 //insert the ith value s.t. items[0..i] are sorted k = i while k > 0 if item[k] >= items[k-1] then exit do (inner) else swap items[k], items[k-1] k = k-1 end if end while end do (outer) Version 4: --------- do the following count-1 times using i=1 to count-1 //insert the ith value s.t. items[0..i] are sorted k = i while k > 0 if item[k] >= items[k-1] then exit do (inner) else swap items[k], items[k-1] k = k-1 end if end while end do (outer) */ //////////////////////////////////////////////////// /* void CDInventory::sortInsertion(void) { int k; for (int i=1; i<= this->m_count-1; i++) { k = i; while (k > 0) { if (!(this->m_items[k] < this->m_items[k-1])) break; else { swap(this->m_items[k], this->m_items[k-1]); k = k-1; } } } } /* //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSortInsertionCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ void testSortInsertionCInventory(void) { cout << "testSortInsertionCInventory\n"; cout << "===========================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << yourInv; cout << "After sortInsertion\n"; yourInv.sortInsertion(); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "-------------------\n"; } } /* //////////////////////////////////////////////////// //void CDInventory::sortSelection(void) /* Algorithm: [66, 37, 29, 28, 61] [61, 37, 29, 28] 66 [28, 37, 29,] 61 66 [28, 29,] 37, 61 66 [28,]29, 37, 61 66 Version #0 Given: items[0..count-1] n = count do the following count-1 times put the index of the max value in iMax swap items[iMax], items[n-1] n = n-1 end do Version #1 Given: items[0..count-1] n = count do the following count-1 times //put the index of the max value in iMax iMax = 0 do the following n-1 times using k=1 to n-1 if items[k] > items[iMax] then iMax = k end if end do swap items[iMax], items[n-1] cout << *this n = n-1 end do testSortSelection do the following 5 times CDInventory testInv('r') display "Original inv" display testInv tetInv.sortSelection() display "Sorted inv" end do */ //////////////////////////////////////////////////// // sortSelection(void) //////////////////////////////////////////////////// /* void CDInventory::sortSelection(void) { int n = this->m_count; int k; for (int i=1; i<=this->m_count-1; i++) { //put the index of the max value in iMax int iMax = 0; for (k=1; k<=n-1; k++) if (this->m_items[iMax] < this->m_items[k]) iMax = k; swap(this->m_items[iMax], this->m_items[n-1]); n = n-1; } } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSortSelectionCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testSortSelectionCInventory(void) { cout << "testSortSelectionCInventory\n"; cout << "===========================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << yourInv; cout << "After sortSelection\n"; yourInv.sortSelection(); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // operator = //////////////////////////////////////////////////// /* CDInventory & CDInventory::operator = (const CDInventory &inv2) { this->m_count = inv2.m_count; for (int i=0; i<this->m_count; i++) this->m_items[i] = inv2.m_items[i]; return *this; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorAssignCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testOperatorAssignCInventory(void) { cout << "testOperatorAssignCInventory\n"; cout << "============================\n"; for (int i=1; i<=5; i++) { CDInventory yourInv('r'); CDInventory myInv('R'); CDInventory hisInv('r'); cout << "yourInv = " << yourInv << endl; cout << "myInv = " << myInv << endl; cout << "hisInv = " << hisInv << endl; yourInv = myInv = hisInv; cout << "After yourInv = myInv = hisInv;\n"; cout << "yourInv = " << yourInv << endl; cout << "myInv = " << myInv << endl; cout << "hisInv = " << hisInv << endl; cout << "----------------------\n"; } } */ //////////////////////////////////////////////////// // shuffle function //////////////////////////////////////////////////// /* void CDInventory::shuffle(void) { if (this->m_count <= 1) return; CDItem tempItem; int pick1, pick2; for (int i=1; i<=2*this->m_count; i++) { pick1 = rand()%this->m_count; pick2 = rand()%this->m_count; swap(this->m_items[pick1], this->m_items[pick2]); } } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testShuffleCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testShuffleCInventory(void) { cout << "testShuffleCInventory\n"; cout << "=====================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "After sortBubble\n"; yourInv.sortBubble(); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "After shuffle\n"; yourInv.shuffle(); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // isSorted function //////////////////////////////////////////////////// /* bool CDInventory::isSorted(void) { for (int i=0; i<=this->m_count-2; i++) if (this->m_items[i+1] < this->m_items[i]) return false; return true; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testIsSortedCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testIsSortedCInventory(void) { cout << "testIsSortedCInventory\n"; cout << "======================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "After sortBubble\n"; yourInv.sortBubble(); cout << yourInv; if (yourInv.isSorted()) cout << "SORTED\n"; else cout << "NOT SORTED NOT SORTED\n"; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // sortBubble function //////////////////////////////////////////////////// /* void CDInventory::sortBubble(void) { bool sorted; int i; CDItem tempItem; do { sorted = true; for (i=0; i<=this->m_count-2; i++) { if (this->m_items[i+1] < this->m_items[i]) { //use swap tempItem = this->m_items[i]; this->m_items[i] = this->m_items[i+1]; this->m_items[i+1] = tempItem; sorted = false; } } } while (!sorted); } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSortBubbleCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testSortBubbleCInventory(void) { cout << "testSortBubbleCInventory\n"; cout << "========================\n"; for (int i=0; i<=5; i++) { CDInventory yourInv('r'); cout << yourInv; cout << "After sortBubble\n"; yourInv.sortBubble(); cout << yourInv; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // construct inventory of random random items //////////////////////////////////////////////////// /* CDInventory::CDInventory(char ch) { if (('r' == ch) || ('R' == ch)) { this->m_count = rand()%MAX_ITEMS; for (int i=0; i<=this->m_count-1; i++) { CDItem item('r'); this->m_items[i] = item; } } else this->m_count =0; } */ //++++++++++++++++++++++++++++++++++++++++++++++++++ // testConstructor3CInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ /* void testConstructor3CInventory(void) { cout << "testConstructor3CInventory\n"; cout << "=========================\n"; for (int i=1; i<=5; i++) { CDInventory yourInv('r'); CDInventory myInv('R'); CDInventory hisInv('s'); cout << yourInv; cout << endl; cout << myInv; cout << endl; cout << hisInv; cout << "-------------------\n"; } } */ //////////////////////////////////////////////////// // construct inventory of n random items //////////////////////////////////////////////////// CDInventory::CDInventory(int n) { if (n < 0) n = -n; this->m_count = 0; this->m_ptr = NULL; for (int i=0; i<=n-1; i++) { CDItem item('r'); this->insert(item); } } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testConstructor2CInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ void testConstructor2CDInventory(void) { cout << "testConstructor2CDInventory\n"; cout << "===========================\n"; for (int i=-1; i<=5; i++) { CDInventory yourInv(i); cout << yourInv; cout << "-------------------\n"; } } //////////////////////////////////////////////////// // operator << overloaded for CDInventory //////////////////////////////////////////////////// ostream & operator << (ostream &bob, const CDInventory &inv) { bob << "inventory(" << inv.m_count << ")=\n"; CDItem * p; p = inv.m_ptr; cout << "m_ptr = " << p << endl; while (p != NULL) { bob << "next = " << p->m_next << ' '; bob << "Add this = " << p << ' '; bob << *p; p = p->addOfNext(); // ;p = p->m_next; } return bob; } //////////////////////////////////////////////////// // default constructor for CDInventory //////////////////////////////////////////////////// CDInventory::CDInventory(void) { this->m_count = 0; this->m_ptr = NULL; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testConstructorCInventory //++++++++++++++++++++++++++++++++++++++++++++++++++ void testConstructorCDInventory(void) { cout << "testConstructorCDInventory\n"; cout << "==========================\n"; for (int i=1; i<=5; i++) { CDInventory yourInv; cout << yourInv; cout << "-------------------\n"; } } //////////////////////////////////////////////////// //overload >> for CDItem //////////////////////////////////////////////////// istream & operator >> (istream &joe, CDItem &item) { cout << "item m_name: "; joe >> item.m_name; cout << "item m_weight: "; joe >> item.m_weight; return joe; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // test operator >> //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorExtraction(void) { cout << "Test operator >>\n"; cout << "=================\n"; for (int i=1; i<=5; i++) { CDItem item1; cin >> item1; cout << item1; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// //overload << for CDItem //////////////////////////////////////////////////// ostream & operator << (ostream &bob, const CDItem &item) { bob << '[' << item.m_name << ", "; bob << item.m_weight << ']' << endl; return bob; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // test operator << //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorInsertion(void) { cout << "Test operator <<\n"; cout << "=================\n"; for (int i=1; i<=5; i++) { CDItem item1('r'); cout << "item1 = "; item1.display(); cout << "item1 = " << item1 << endl; cout << item1 << item1; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // operator = overloaded //////////////////////////////////////////////////// CDItem & CDItem::operator = (const CDItem &i2) { strcpy(m_name, i2.m_name); this->m_weight = i2.m_weight; return *this; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorAssign //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorAssign(void) { cout << "Test operator =\n"; cout << "===============\n"; for (int i=1; i<=5; i++) { CDItem item1('r'), item2('r'), item3('r'); cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); item1 = item2 = item3; //item1.operator= (item2.operator= item3); //item1.operator = (item2.operator = (item3)); item2.operator = (item3); item1.operator = (item2); cout << "After item1 = item2 = item3;\n"; cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // operator >= overloaded for CDItem class objects // returns true if weight of i1 is >= that of i2 // else returns false //////////////////////////////////////////////////// bool CDItem::operator >= (const CDItem &i2) { return !(*this < i2); //return (this->m_weight >= i2.m_weight); } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorGreaterThanOrEqual //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorGreaterThanOrEqual(void) { cout << "Test operator >=\n"; cout << "================\n"; for (int i=1; i<=5; i++) { CDItem item1('r'), item2('r'), item3('r'); cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); if (item1 >= item2) cout << "item1 is >= item2\n"; else cout << "item1 is not >= item2\n"; if (item1 >= item3) cout << "item1 is >= item3\n"; else cout << "item1 is not >= item3\n"; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // operator > overloaded for CDItem class objects // returns true if weight of i1 is > that of i2 // else returns false //////////////////////////////////////////////////// bool CDItem::operator > (const CDItem &i2) { return (this->m_weight > i2.m_weight); // return !(*this <= i2); } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorGreaterThan //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorGreaterThan(void) { cout << "Test operator >\n"; cout << "===============\n"; for (int i=1; i<=5; i++) { CDItem item1('r'), item2('r'), item3('r'); cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); if (item1 > item2) cout << "item1 is > item2\n"; else cout << "item1 is not > item2\n"; if (item1 > item3) cout << "item1 is > item3\n"; else cout << "item1 is not > item3\n"; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // operator <= overloaded for CDItem class objects // returns true if weight of i1 is <= that of i2 // else returns false //////////////////////////////////////////////////// bool CDItem::operator <= (const CDItem &i2) { return (this->m_weight <= i2.m_weight); } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorLessThanOrEqual //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorLessThanOrEqual(void) { cout << "Test operator <=\n"; cout << "================\n"; for (int i=1; i<=5; i++) { CDItem item1('r'), item2('r'), item3('r'); cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); if (item1 <= item2) cout << "item1 is <= item2\n"; else cout << "item1 is not <= item2\n"; if (item1 <= item3) cout << "item1 is <= item3\n"; else cout << "item1 is not <= item3\n"; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // operator < overloaded for CDItem class objects // returns true if weight of i1 is less than that of i2 // else returns false //////////////////////////////////////////////////// bool CDItem::operator < (const CDItem &i2) { return (this->m_weight < i2.m_weight); /* if (this->m_weight < i2.m_weight) return true; else return false; */ } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorLessThan //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorLessThan(void) { cout << "Test operator <\n"; cout << "===============\n"; for (int i=1; i<=5; i++) { CDItem item1('r'), item2('r'), item3('r'); cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); if (item1 < item2) cout << "item1 is lighter than item2\n"; else cout << "item1 is not lighter than item2\n"; if (item1 < item3) cout << "item1 is lighter than item3\n"; else cout << "item1 is not lighter than item3\n"; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // getWeight // returns the weight //////////////////////////////////////////////////// int CDItem::getWeight(void) { return this->m_weight; }; //++++++++++++++++++++++++++++++++++++++++++++++++++ // testGetWeight //++++++++++++++++++++++++++++++++++++++++++++++++++ void testGetWeight(void) { cout << "test getWeight\n"; for (int i=1; i<=5; i++) { CDItem i('r'); cout << "item = "; i.display(); cout << "weight = " << i.getWeight() << endl; cout << "-----------------------------\n"; } } //////////////////////////////////////////////////// // getName // returns the name //////////////////////////////////////////////////// char * CDItem::getName(void) { return this->m_name; }; //++++++++++++++++++++++++++++++++++++++++++++++++++ // testGetName //++++++++++++++++++++++++++++++++++++++++++++++++++ void testGetName(void) { cout << "test getName\n"; for (int i=1; i<=5; i++) { CDItem i('r'); cout << "item = "; i.display(); cout << "name = " << i.getName() << endl; cout << "-----------------------------\n"; } } //////////////////////////////////////////////////// // operator == // compares two items for equality //////////////////////////////////////////////////// bool operator ==(const CDItem &i1, const CDItem &i2) { //return (c1&&c2); if (i1.m_weight != i2.m_weight) return false; if (strcmp(i1.m_name, i2.m_name) != 0) return false; return true; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testOperatorEqual //++++++++++++++++++++++++++++++++++++++++++++++++++ void testOperatorEqual(void) { cout << "Test operator equal\n"; cout << "===================\n"; for (int i=1; i<=5; i++) { CDItem item1('r'), item2('r'), item3(item1); cout << "item1 = "; item1.display(); cout << "item2 = "; item2.display(); cout << "item3 = "; item3.display(); if (item1 == item2) cout << "item1 is equal to item2\n"; else cout << "item1 is not equal to item2\n"; if (item1 == item3) cout << "item1 is equal to item3\n"; else cout << "item1 is not equal to item3\n"; cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // setWeight(int weight) // sets the m_weight data member to weight //////////////////////////////////////////////////// void CDItem::setWeight(int weight) { this->m_weight = weight; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSetWeight //++++++++++++++++++++++++++++++++++++++++++++++++++ void testSetWeight(void) { cout << "Test setWeight(weight)\n"; for (int i=1; i<=5; i++) { CDItem item('r'); item.display(); int tWeight = rand()%100; cout << "tWeight = " << tWeight << endl; item.setWeight(tWeight); cout << "After item1.setWeight(tWeight);\n"; item.display(); cout << "---------------------------\n"; } } //////////////////////////////////////////////////// // setName(char name) // sets the m_name data member to name //////////////////////////////////////////////////// void CDItem::setName(char name[]) { strcpy(this->m_name, name); } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSetName //++++++++++++++++++++++++++++++++++++++++++++++++++ void testSetName(void) { cout << "Test setName(name)\n"; for (int i=1; i<=5; i++) { CDItem item('r'); item.display(); int i = rand()%MAX_NAMES; char tName[MAX_LEN+1]; strcpy(tName, testNames[i]); cout << "tName = \"" << tName << "\"" << endl; item.setName(tName); cout << "After item1.setName(tName);\n"; item.display(); cout << "---------------------------\n"; } } //////////////////////////////////////////////////// //CDItem (item) copy constructor // constructs an object which is a copy given object //////////////////////////////////////////////////// CDItem::CDItem(const CDItem &item) { strcpy(this->m_name, item.m_name); this->m_weight = item.m_weight; //(*this).m_weight = item.m_weight; //cout << "copy constructor called\n"; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testConstructorCopy //++++++++++++++++++++++++++++++++++++++++++++++++++ void testConstructorCopy(void) { cout << "Test copy Constructor\n"; for (int i=1; i<=5; i++) { CDItem item1('r'); CDItem item2(item1); item1.display(); item2.display(); } } //////////////////////////////////////////////////// //CDItem (ch) constructor // constructs an object with random name and weight //////////////////////////////////////////////////// CDItem::CDItem(char ch) { if ('r' == ch ) { int i = rand()%MAX_NAMES; strcpy(this->m_name, testNames[i]); this->m_weight = testWeights[i]; } else { strcpy(this->m_name, ""); this->m_weight = -99; } } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testConstructorCh //++++++++++++++++++++++++++++++++++++++++++++++++++ void testConstructorCh(void) { cout << "Test ConstructorCh\n"; CDItem item1('r'); CDItem item2('m'); item1.display(); item2.display(); } //////////////////////////////////////////////////// //CDItem (name, weight) constructor // constructs an object with given name and weight //////////////////////////////////////////////////// CDItem::CDItem(char name[], int weight) { strcpy(this->m_name, name); this->m_weight = weight; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testConstructor //31++++++++++++++++++++++++++++++++++++++++++++++++ void testConstructor(void) { cout << "Test Constructor(name, weight)\n"; CDItem item("Chair", 150); item.display(); } //////////////////////////////////////////////////// // display //////////////////////////////////////////////////// void CDItem::display(void) const { cout << '[' << this->m_name << ", "; cout << this->m_weight << ']' << endl; } //////////////////////////////////////////////////// //constructor default //////////////////////////////////////////////////// CDItem::CDItem(void) { //cout << "Default Constructor called\n"; strcpy(this->m_name, ""); this->m_weight = -99; } //////////////////////////////////////////////////// //input function // This is a member function for CDItem class // it gets the name and weight from the keyboard // and sets the values of name and weight data members //////////////////////////////////////////////////// void CDItem::input(void) { cout << "item m_name: "; cin >> this->m_name; cout << "item m_weight: "; cin >> this->m_weight; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testInput //31++++++++++++++++++++++++++++++++++++++++++++++++ void testInput(void) { cout << "test input function\n"; CDItem item1; item1.display(); item1.input(); item1.display(); } //////////////////////////////////////////////////// // set(name, weight) //////////////////////////////////////////////////// void CDItem::set(char name[], int weight) { strcpy(this->m_name, name); this->m_weight = weight; } //++++++++++++++++++++++++++++++++++++++++++++++++++ // testSet //31++++++++++++++++++++++++++++++++++++++++++++++++ void testSet(void) { cout << "Test set(name, weight)\n"; for (int i=1; i<=5; i++) { CDItem item('r'); item.display(); int i = rand()%MAX_NAMES; char tName[MAX_LEN+1]; strcpy(tName, testNames[i]); cout << "tName = \"" << tName << "\"" << endl; int tWeight = rand()%100; cout << "tWeight = " << tWeight << endl; item.set(tName, tWeight); cout << "After item.set(tName, tWeight);\n"; item.display(); cout << "------------------------------------\n"; } } |