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turbonss/cxxmph/map_tester.h

139 lines
4.3 KiB
C++

#ifndef __CXXMPH_MAP_TEST_HELPER_H__
#define __CXXMPH_MAP_TEST_HELPER_H__
#include <cstdint>
#include <string>
#include <utility>
#include <vector>
#include <unordered_map>
#include "string_util.h"
#include <check.h>
namespace cxxmph {
using namespace cxxmph;
using namespace std;
template <template<typename...> class map_type>
struct MapTester {
static bool empty_find() {
map_type<int64_t, int64_t> m;
for (int i = 0; i < 1000; ++i) {
if (m.find(i) != m.end()) return false;
}
return true;
}
static bool empty_erase() {
map_type<int64_t, int64_t> m;
for (int i = 0; i < 1000; ++i) {
m.erase(i);
if (m.size()) return false;
}
return true;
}
static bool small_insert() {
map_type<int64_t, int64_t> m;
// Start counting from 1 to not touch default constructed value bugs
for (int i = 1; i < 12; ++i) m.insert(make_pair(i, i));
return m.size() == 11;
}
static bool large_insert() {
map_type<int64_t, int64_t> m;
// Start counting from 1 to not touch default constructed value bugs
int nkeys = 12 * 256 * 256;
for (int i = 1; i < nkeys; ++i) m.insert(make_pair(i, i));
return static_cast<int>(m.size()) == nkeys - 1;
}
static bool small_search() {
map_type<int64_t, int64_t> m;
// Start counting from 1 to not touch default constructed value bugs
for (int i = 1; i < 12; ++i) m.insert(make_pair(i, i));
for (int i = 1; i < 12; ++i) if (m.find(i) == m.end()) return false;
return true;
}
static bool default_search() {
map_type<int64_t, int64_t> m;
if (m.find(0) != m.end()) return false;
for (int i = 1; i < 256; ++i) m.insert(make_pair(i, i));
if (m.find(0) != m.end()) return false;
for (int i = 0; i < 256; ++i) m.insert(make_pair(i, i));
if (m.find(0) == m.end()) return false;
return true;
}
static bool large_search() {
int nkeys = 10 * 1000;
map_type<int64_t, int64_t> m;
for (int i = 0; i < nkeys; ++i) m.insert(make_pair(i, i));
for (int i = 0; i < nkeys; ++i) if (m.find(i) == m.end()) return false;
return true;
}
static bool string_search() {
int nkeys = 10 * 1000;
vector<string> keys;
for (int i = 0; i < nkeys; ++i) {
keys.push_back(format("%v", i));
}
map_type<string, int64_t> m;
for (int i = 0; i < nkeys; ++i) m.insert(make_pair(keys[i], i));
for (int i = 0; i < nkeys; ++i) {
auto it = m.find(keys[i]);
if (it == m.end()) return false;
if (it->second != i) return false;
}
return true;
}
static bool rehash_zero() {
map_type<int64_t, int64_t> m;
m.rehash(0);
return m.size() == 0;
}
static bool rehash_size() {
map_type<int64_t, int64_t> m;
int nkeys = 10 * 1000;
for (int i = 0; i < nkeys; ++i) { m.insert(make_pair(i, i)); }
m.rehash(nkeys);
for (int i = 0; i < nkeys; ++i) { if (m.find(i) == m.end()) return false; }
for (int i = nkeys; i < nkeys * 2; ++i) {
if (m.find(i) != m.end()) return false;
}
return true;
}
static bool erase_iterator() {
map_type<int64_t, int64_t> m;
int nkeys = 10 * 1000;
for (int i = 0; i < nkeys; ++i) { m.insert(make_pair(i, i)); }
for (int i = 0; i < nkeys; ++i) {
if (m.find(i) == m.end()) return false;
}
for (int i = nkeys - 1; i >= 0; --i) { if (m.find(i) == m.end()) return false; }
for (int i = nkeys - 1; i >= 0; --i) {
fail_unless(m.find(i) != m.end(), "after erase %d cannot be found", i);
fail_unless(m.find(i)->first == i, "after erase key %d cannot be found", i);
}
for (int i = nkeys - 1; i >= 0; --i) {
fail_unless(m.find(i) != m.end(), "after erase %d cannot be found", i);
fail_unless(m.find(i)->first == i, "after erase key %d cannot be found", i);
if (!(m.find(i)->first == i)) return false;
m.erase(m.find(i));
if (static_cast<int>(m.size()) != i) return false;
}
return true;
}
static bool erase_value() {
map_type<int64_t, int64_t> m;
int nkeys = 10 * 1000;
for (int i = 0; i < nkeys; ++i) { m.insert(make_pair(i, i)); }
for (int i = nkeys - 1; i >= 0; --i) {
fail_unless(m.find(i) != m.end());
m.erase(i);
if (static_cast<int>(m.size()) != i) return false;
}
return true;
}
};
} // namespace cxxxmph
#endif // __CXXMPH_MAP_TEST_HELPER_H__