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我正在进行这个单元测试。我想删除钻头和电池,但似乎不起作用(也许电池不能被删除)。我可以在析构函数上做任何事情来处理这个问题吗?如何删除C++中连接另一个对象的对象?
void test_rover::testDisconnectBattery() {
Drill* drill = new Drill();
drill->connectBattery(new Battery(10));
drill->disconnectBattery();
//CPPUNIT_ASSERT(drill->Connected()==false);
delete drill;
CPPUNIT_ASSERT(Object::getCount()==0);
}
Device.cpp(设备是钻基部)
Device::Device() {
}
Device::Device(const Device& copy) {
}
Device::~Device() {
delete _battery;
}
void Device::connectBattery(Battery *b){
_battery = b;
}
void Device::disconnectBattery(){
_battery = NULL;
}
Battery.cpp
Battery::Battery(int power) {
_power = power;
}
Battery::Battery(const Battery& copy) {
}
Battery::~Battery() {
}
int Battery::Power(){
return _power;
}
当析构函数('〜Device')被调用,'_battery'为'NULL'时,您需要在断开连接或外部连接时删除电池 –
使用std :: unique_ptr –
您正在使用C++,为什么你不使用std :: shared_ptr或std :: unique_ptr,因为它适合? – Nandu