mirror of
https://github.com/mongodb/mongo.git
synced 2024-11-30 09:06:21 +01:00
152 lines
3.5 KiB
C++
152 lines
3.5 KiB
C++
// Copyright 2003 and onwards Google Inc.
|
|
// Author: Sanjay Ghemawat
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <map>
|
|
#include <algorithm> // for make_pair
|
|
|
|
#include "pcrecpp.h"
|
|
#include "pcre_stringpiece.h"
|
|
|
|
// CHECK dies with a fatal error if condition is not true. It is *not*
|
|
// controlled by NDEBUG, so the check will be executed regardless of
|
|
// compilation mode. Therefore, it is safe to do things like:
|
|
// CHECK(fp->Write(x) == 4)
|
|
#define CHECK(condition) do { \
|
|
if (!(condition)) { \
|
|
fprintf(stderr, "%s:%d: Check failed: %s\n", \
|
|
__FILE__, __LINE__, #condition); \
|
|
exit(1); \
|
|
} \
|
|
} while (0)
|
|
|
|
using std::map;
|
|
using std::make_pair;
|
|
using pcrecpp::StringPiece;
|
|
|
|
static void CheckSTLComparator() {
|
|
string s1("foo");
|
|
string s2("bar");
|
|
string s3("baz");
|
|
|
|
StringPiece p1(s1);
|
|
StringPiece p2(s2);
|
|
StringPiece p3(s3);
|
|
|
|
typedef map<StringPiece, int> TestMap;
|
|
TestMap map;
|
|
|
|
map.insert(make_pair(p1, 0));
|
|
map.insert(make_pair(p2, 1));
|
|
map.insert(make_pair(p3, 2));
|
|
CHECK(map.size() == 3);
|
|
|
|
TestMap::const_iterator iter = map.begin();
|
|
CHECK(iter->second == 1);
|
|
++iter;
|
|
CHECK(iter->second == 2);
|
|
++iter;
|
|
CHECK(iter->second == 0);
|
|
++iter;
|
|
CHECK(iter == map.end());
|
|
|
|
TestMap::iterator new_iter = map.find("zot");
|
|
CHECK(new_iter == map.end());
|
|
|
|
new_iter = map.find("bar");
|
|
CHECK(new_iter != map.end());
|
|
|
|
map.erase(new_iter);
|
|
CHECK(map.size() == 2);
|
|
|
|
iter = map.begin();
|
|
CHECK(iter->second == 2);
|
|
++iter;
|
|
CHECK(iter->second == 0);
|
|
++iter;
|
|
CHECK(iter == map.end());
|
|
}
|
|
|
|
static void CheckComparisonOperators() {
|
|
#define CMP_Y(op, x, y) \
|
|
CHECK( (StringPiece((x)) op StringPiece((y)))); \
|
|
CHECK( (StringPiece((x)).compare(StringPiece((y))) op 0))
|
|
|
|
#define CMP_N(op, x, y) \
|
|
CHECK(!(StringPiece((x)) op StringPiece((y)))); \
|
|
CHECK(!(StringPiece((x)).compare(StringPiece((y))) op 0))
|
|
|
|
CMP_Y(==, "", "");
|
|
CMP_Y(==, "a", "a");
|
|
CMP_Y(==, "aa", "aa");
|
|
CMP_N(==, "a", "");
|
|
CMP_N(==, "", "a");
|
|
CMP_N(==, "a", "b");
|
|
CMP_N(==, "a", "aa");
|
|
CMP_N(==, "aa", "a");
|
|
|
|
CMP_N(!=, "", "");
|
|
CMP_N(!=, "a", "a");
|
|
CMP_N(!=, "aa", "aa");
|
|
CMP_Y(!=, "a", "");
|
|
CMP_Y(!=, "", "a");
|
|
CMP_Y(!=, "a", "b");
|
|
CMP_Y(!=, "a", "aa");
|
|
CMP_Y(!=, "aa", "a");
|
|
|
|
CMP_Y(<, "a", "b");
|
|
CMP_Y(<, "a", "aa");
|
|
CMP_Y(<, "aa", "b");
|
|
CMP_Y(<, "aa", "bb");
|
|
CMP_N(<, "a", "a");
|
|
CMP_N(<, "b", "a");
|
|
CMP_N(<, "aa", "a");
|
|
CMP_N(<, "b", "aa");
|
|
CMP_N(<, "bb", "aa");
|
|
|
|
CMP_Y(<=, "a", "a");
|
|
CMP_Y(<=, "a", "b");
|
|
CMP_Y(<=, "a", "aa");
|
|
CMP_Y(<=, "aa", "b");
|
|
CMP_Y(<=, "aa", "bb");
|
|
CMP_N(<=, "b", "a");
|
|
CMP_N(<=, "aa", "a");
|
|
CMP_N(<=, "b", "aa");
|
|
CMP_N(<=, "bb", "aa");
|
|
|
|
CMP_N(>=, "a", "b");
|
|
CMP_N(>=, "a", "aa");
|
|
CMP_N(>=, "aa", "b");
|
|
CMP_N(>=, "aa", "bb");
|
|
CMP_Y(>=, "a", "a");
|
|
CMP_Y(>=, "b", "a");
|
|
CMP_Y(>=, "aa", "a");
|
|
CMP_Y(>=, "b", "aa");
|
|
CMP_Y(>=, "bb", "aa");
|
|
|
|
CMP_N(>, "a", "a");
|
|
CMP_N(>, "a", "b");
|
|
CMP_N(>, "a", "aa");
|
|
CMP_N(>, "aa", "b");
|
|
CMP_N(>, "aa", "bb");
|
|
CMP_Y(>, "b", "a");
|
|
CMP_Y(>, "aa", "a");
|
|
CMP_Y(>, "b", "aa");
|
|
CMP_Y(>, "bb", "aa");
|
|
|
|
#undef CMP_Y
|
|
#undef CMP_N
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
CheckComparisonOperators();
|
|
CheckSTLComparator();
|
|
|
|
printf("OK\n");
|
|
return 0;
|
|
}
|