/* Copyright 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
/** Unit tests for OwnedPointerMap. */
#include "mongo/base/owned_pointer_map.h"
#include
#include
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using std::make_pair;
using std::string;
/** Helper class that logs its constructor argument to a static vector on destruction. */
class DestructionLogger {
public:
DestructionLogger(const string& name) : _name(name) {}
~DestructionLogger() {
_destroyedNames.push_back(_name);
}
static std::vector& destroyedNames() {
return _destroyedNames;
}
string getName() {
return _name;
}
private:
string _name;
static std::vector _destroyedNames;
};
std::vector DestructionLogger::_destroyedNames;
TEST(OwnedPointerMapTest, OwnedPointerDestroyed) {
DestructionLogger::destroyedNames().clear();
{
OwnedPointerMap owned;
owned.mutableMap().insert(make_pair(0, new DestructionLogger("foo")));
// owned destroyed
}
ASSERT_EQUALS(1U, DestructionLogger::destroyedNames().size());
ASSERT_EQUALS("foo", DestructionLogger::destroyedNames()[0]);
}
TEST(OwnedPointerMapTest, OwnedConstPointerDestroyed) {
DestructionLogger::destroyedNames().clear();
{
OwnedPointerMap owned;
owned.mutableMap().insert(make_pair(0, new DestructionLogger("foo")));
// owned destroyed
}
ASSERT_EQUALS(1U, DestructionLogger::destroyedNames().size());
ASSERT_EQUALS("foo", DestructionLogger::destroyedNames()[0]);
}
TEST(OwnedPointerMapTest, OwnedPointersDestroyedInOrder) {
DestructionLogger::destroyedNames().clear();
{
OwnedPointerMap owned;
owned.mutableMap().insert(make_pair(0, new DestructionLogger("first")));
owned.mutableMap().insert(make_pair(1, new DestructionLogger("second")));
// owned destroyed
}
ASSERT_EQUALS(2U, DestructionLogger::destroyedNames().size());
ASSERT_EQUALS("first", DestructionLogger::destroyedNames()[0]);
ASSERT_EQUALS("second", DestructionLogger::destroyedNames()[1]);
}
TEST(OwnedPointerMapTest, OwnedPointersWithCompare) {
DestructionLogger::destroyedNames().clear();
{
OwnedPointerMap> owned;
owned.mutableMap().insert(make_pair(0, new DestructionLogger("0")));
owned.mutableMap().insert(make_pair(1, new DestructionLogger("1")));
// use std::greater rather than the default std::less
std::map>::iterator it =
owned.mutableMap().begin();
ASSERT(owned.mutableMap().end() != it);
// "1" should be sorted to be the first item.
ASSERT_EQUALS("1", it->second->getName());
it++;
ASSERT(owned.mutableMap().end() != it);
ASSERT_EQUALS("0", it->second->getName());
// owned destroyed
}
// destroyed in descending order
ASSERT_EQUALS(2U, DestructionLogger::destroyedNames().size());
ASSERT_EQUALS("1", DestructionLogger::destroyedNames()[0]);
ASSERT_EQUALS("0", DestructionLogger::destroyedNames()[1]);
}
} // namespace
} // namespace mongo