void testList(int testSize) {
printf("\n ==== Test %2d. Generate two lists each of size %d by random insertions\n", testID++, testSize);
List<T> La; randomList(La, testSize); PRINT(La);
List<T> Lb; randomList(Lb, testSize); PRINT(Lb);
printf("\n ==== Test %2d. Call list members by rank (with high complexity)\n", testID++);
for (int i = 0; i < La.size(); i++) print(La[i]->data); printf("\n");
for (int i = 0; i < Lb.size(); i++) print(Lb[i]->data); printf("\n");
printf("\n ==== Test %2d. Concatenation\n", testID++); PRINT(La); PRINT(Lb);
while (0 < Lb.size()) La.insertAsLast(Lb.remove(Lb.first())); PRINT(La); PRINT(Lb);
printf("\n ==== Test %2d. Increase\n", testID++); PRINT(La);
increase(La); PRINT(La);
printf("\n ==== Test %2d. Copy\n", testID++); PRINT(La);
List<T> Ld(La); PRINT(Ld);
printf("\n ==== Test %2d. Trim by random deletions\n", testID++); PRINT(Ld);
while (testSize/4 < Ld.size()) {
int N = rand() % Ld.size(); printf("removing L[%d]=", N);
ListNodePosi(T) p = Ld.first(); while (0 < N--) p = p->succ;
print(p->data); printf(" ...\n");
Ld.remove(p); PRINT(Ld);
}
printf("\n ==== Test %2d. Copy\n", testID++); PRINT(La);
List<T> Le(La); PRINT(Le);
printf("\n ==== Test %2d. FIND in\n", testID++); PRINT(Le);
for (int i = 0; i <= testSize*2; i++) { //逐一测试[0, 2n]中的所有可能
ListNodePosi(T) p = Le.find((T) i); printf("Looking for "); print((T)i); printf(": ");
if (p) { printf(" found with"); print(p->data); }
else printf(" not found");
printf("\n");
} //正确的结构应该是大致（n+1次）失败、（n次）成功相间
printf("\n ==== Test %2d. Sort\n", testID++); PRINT(La);
La.sort(); PRINT(La);
printf("\n ==== Test %2d. SEARCH in\n", testID++); PRINT(La);
for (int i = 0; i <= testSize*2; i++) { //逐一测试[0, 2n]中的所有可能
ListNodePosi(T) p = La.search((T) i); printf("Looking for "); print((T)i); printf(": ");
printf(" stopped at"); print(p->data);
if ((T) i == p->data) printf(" and found");
printf("\n");
} //正确的结构应该是大致（n+1次）失败、（n次）成功相间
printf("\n ==== Test %2d. Remove redundancy in\n", testID++); PRINT(La);
printf("%d node(s) removed\n", La.uniquify()); PRINT(La);
printf("\n ==== Test %2d. Remove redundancy in\n", testID++); PRINT(Le);
printf("%d node(s) removed\n", Le.deduplicate()); PRINT(Le);
printf("\n ==== Test %2d. Sort\n", testID++); PRINT(Le);
Le.sort(); PRINT(Le);
return;
}
void randomList(List<T> & list, int n) { //在[0, 2n)中选择n个偶数，随机插入列表
ListNodePosi(T) p =
(rand() % 2) ?
list.insertAsLast(rand() % (T)n*2) :
list.insertAsFirst(rand() % (T)n*2);
for (int i=1; i<n; i++)
p = rand() % 2 ?
list.insertBefore(p, rand() % (T)n*2) :
list.insertAfter(p, rand() % (T)n*2);
}
// MARK: ListNode模板类
typedef int Rank; // 秩
#define ListNodePosi(T) ListNode<T>* // 列表节点位置
template <typename T> // 元素类型
class ListNode {
public:
// 成员
T data; // 数值
ListNodePosi(T) pred; // 前驱指针
ListNodePosi(T) succ; // 后继指针
// 构造函数
ListNode() {} // 针对header和trailer的构造
ListNode(T e, ListNodePosi(T) p = NULL, ListNodePosi(T) s = NULL):data(e), pred(p), succ(s) {} // 默认构造器
// 操作接口
ListNodePosi(T) insertAsPred(T const& e); // 紧靠当前节点之前插入新节点
ListNodePosi(T) insertAsSucc(T const& e); // 紧随当前节点之后插入新节点
};
// MARK: List模板类
//#include "lishNode.h"
template <typename T> // 元素类型
class List { // 列表模板类
private:
int _size; // 规模
ListNodePosi(T) insertAsSucc ( T const& e ){
ListNodePosi(T) x = new ListNode ( e, this, succ ); //创建新节点
succ->pred = x; succ = x; //设置逆向链接
return x; //返回新节点的位置
}
