本文整理汇总了C++中SplayTree::exists方法的典型用法代码示例。如果您正苦于以下问题：C++ SplayTree::exists方法的具体用法？C++ SplayTree::exists怎么用？C++ SplayTree::exists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SplayTree的用法示例。
在下文中一共展示了SplayTree::exists方法的3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: TestSplayTree_CString
int TestSplayTree_CString()
{
SplayTree<const char *, const char *> *splaytree = new SplayTree<const char *, const char *>();
char *strings[TREE_ITEMS], *tmp;
/* Make sure allocation worked */
TEST_ASSERT(splaytree != NULL);
/* Make sure the size starts at 0 */
TEST_ASSERT(splaytree->size() == 0);
memset(strings, 0, sizeof(strings));
/* Make sure the tree encapsulates keys properly */
tmp = cc_strdup("testkey");
splaytree->insert(tmp, "encapsulation test");
free(tmp); tmp = NULL;
TEST_ASSERT(splaytree->size() == 1);
TEST_ASSERT(splaytree->exists("testkey"));
TEST_ASSERT(splaytree->erase("testkey"));
TEST_ASSERT(!splaytree->exists("testkey"));
TEST_ASSERT(!splaytree->erase("testkey"));
TEST_ASSERT(splaytree->size() == 0);
/* Simplest sanity checks done, now create some random data */
for (unsigned int i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(strings[i] == NULL);
strings[i] = new char[20];
TEST_ASSERT(strings[i] != NULL);
memset(strings[i], 0, 20);
TEST_ASSERT(strlen(strings[i]) == 0);
sprintf(strings[i], "%08x", i);
TEST_ASSERT(strlen(strings[i]) > 0);
}
/* Fill the tree */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(splaytree->insert(strings[i], strings[(TREE_ITEMS - 1) - i]));
}
/* Verify existence of all the added data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
const char *val = NULL;
TEST_ASSERT(splaytree->exists(strings[i]));
TEST_ASSERT((val = splaytree->find(strings[i])) != NULL);
TEST_ASSERT(Compare(val, (const char *)strings[(TREE_ITEMS - 1) - i]) == 0);
}
/* Verify existence of all the added data, in a different order */
for (size_t i = TREE_ITEMS - 1; i < TREE_ITEMS; i--)
{
TEST_ASSERT(splaytree->exists(strings[i]));
}
/* Try to remove all the data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(splaytree->erase(strings[i]));
TEST_ASSERT(!splaytree->exists(strings[i]));
}
/* Clean up the random data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
delete [] strings[i];
strings[i] = NULL;
}
/* And finally, clear the tree */
delete splaytree;
return 0;
}示例2: TestSplayTree_String
int TestSplayTree_String()
{
SplayTree<std::string, std::string> *splaytree = new SplayTree<std::string, std::string>();
std::string strings[TREE_ITEMS], tmp;
/* Make sure allocation worked */
TEST_ASSERT(splaytree != NULL);
/* Make sure the size starts at 0 */
TEST_ASSERT(splaytree->size() == 0);
/* Make sure the tree encapsulates keys properly */
tmp = std::string("testkey");
splaytree->insert(tmp, std::string("encapsulation test"));
tmp = std::string("");
TEST_ASSERT(splaytree->size() == 1);
TEST_ASSERT(splaytree->exists("testkey"));
TEST_ASSERT(splaytree->erase("testkey"));
TEST_ASSERT(!splaytree->exists("testkey"));
TEST_ASSERT(!splaytree->erase("testkey"));
TEST_ASSERT(splaytree->size() == 0);
/* Simplest sanity checks done, now create some random data */
for (unsigned int i = 0; i < TREE_ITEMS; i++)
{
char buf[20];
buf[0] = (char)0;
TEST_ASSERT(strlen(buf) == 0);
sprintf(buf, "%08x", i);
strings[i] = std::string(buf);
TEST_ASSERT(strings[i].length() > 0);
}
/* Fill the tree */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(splaytree->insert(strings[i], strings[(TREE_ITEMS - 1) - i]));
}
/* Verify existence of all the added data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
std::string val;
val.clear();
TEST_ASSERT(val.length() == 0);
TEST_ASSERT(splaytree->exists(strings[i]));
TEST_ASSERT((val = splaytree->find<std::string>(strings[i], "")) != std::string(""));
TEST_ASSERT(val.length() > 0);
TEST_ASSERT(Compare(val, strings[(TREE_ITEMS - 1) - i]) == 0);
}
/* Verify existence of all the added data, in a different order */
for (size_t i = TREE_ITEMS - 1; i < TREE_ITEMS; i--)
{
TEST_ASSERT(splaytree->exists(strings[i]));
}
/* Try to remove all the data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(splaytree->erase(strings[i]));
TEST_ASSERT(!splaytree->exists(strings[i]));
}
/* And finally, clear the tree */
delete splaytree;
return 0;
}示例3: TestSplayTree_Int
int TestSplayTree_Int()
{
SplayTree<int, int> *splaytree = new SplayTree<int, int>();
int data[TREE_ITEMS], tmp;
/* Make sure allocation worked */
TEST_ASSERT(splaytree != NULL);
/* Make sure the size starts at 0 */
TEST_ASSERT(splaytree->size() == 0);
/* Make sure the tree encapsulates keys properly */
tmp = 256;
splaytree->insert(tmp, RandomNumber());
tmp = 0;
TEST_ASSERT(splaytree->size() == 1);
TEST_ASSERT(splaytree->exists(256));
TEST_ASSERT(splaytree->erase(256));
TEST_ASSERT(!splaytree->exists(256));
TEST_ASSERT(!splaytree->erase(256));
TEST_ASSERT(splaytree->size() == 0);
/* Simplest sanity checks done, now create some random data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
data[i] = i;
}
/* Fill the tree */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(splaytree->insert(data[i], data[TREE_ITEMS - 1 - i]));
}
/* Verify existence of all the added data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
int val;
TEST_ASSERT(splaytree->exists(data[i]));
TEST_ASSERT((val = splaytree->find(data[i], -1)) != -1);
TEST_ASSERT(Compare(val, data[TREE_ITEMS - 1 - i]) == 0);
}
/* Verify existence of all the added data, in a different order */
for (size_t i = TREE_ITEMS - 1; i < TREE_ITEMS; i--)
{
TEST_ASSERT(splaytree->exists(data[i]));
}
/* Try to remove all the data */
for (size_t i = 0; i < TREE_ITEMS; i++)
{
TEST_ASSERT(splaytree->erase(data[i]));
TEST_ASSERT(!splaytree->exists(data[i]));
}
/* And finally, clear the tree */
delete splaytree;
return 0;
}