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Added test for ScopeGuard.

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git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@797 7ec92016-0320-0410-acc4-a06ded1c099a
This commit is contained in:
rich_sposato 2006-12-19 19:51:06 +00:00
parent 35888376f1
commit d5ce57ee3b
1 changed files with 23 additions and 6 deletions
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29
test/ScopeGuard/main.cpp
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@ -18,9 +18,10 @@
#include <vector> #include <vector>
#include <string> #include <string>
#include <iostream> #include <iostream>
#include <assert.h>
void Decrement(int& x) void Decrement( unsigned int & x )
{ {
--x; --x;
} }
@ -39,34 +40,45 @@ public:
User(UserDatabase* db) : fCount(0), pDB_(db) User(UserDatabase* db) : fCount(0), pDB_(db)
{} {}
std::string GetName(); std::string GetName() const;
void AddFriend(User& newFriend); void AddFriend(User& newFriend);
void AddFriendGuarded(User& newFriend); void AddFriendGuarded(User& newFriend);
void AddFriendGuardedMacros(User& newFriend); void AddFriendGuardedMacros(User& newFriend);
size_t countFriends(); size_t countFriends() const;
int fCount; unsigned int fCount;
private: private:
void CheckIfValid( const char * function, unsigned int line ) const;
typedef std::vector<User*> UserCont; typedef std::vector<User*> UserCont;
UserCont friends_; UserCont friends_;
UserDatabase* pDB_; UserDatabase* pDB_;
}; };
std::string User::GetName() void User::CheckIfValid( const char * function, unsigned int line ) const
{
assert( friends_.size() == fCount );
(void)function;
(void)line;
}
std::string User::GetName() const
{ {
return "A name"; return "A name";
} }
size_t User::countFriends() size_t User::countFriends() const
{ {
return friends_.size(); return friends_.size();
} }
void User::AddFriend(User& newFriend) void User::AddFriend(User& newFriend)
{ {
::Loki::ScopeGuard invariantGuard = ::Loki::MakeObjGuard( *this, &User::CheckIfValid, __FUNCTION__, __LINE__);
(void)invariantGuard;
friends_.push_back(&newFriend); friends_.push_back(&newFriend);
fCount++; fCount++;
pDB_->AddFriend(GetName(), newFriend.GetName()); pDB_->AddFriend(GetName(), newFriend.GetName());
@ -74,6 +86,9 @@ void User::AddFriend(User& newFriend)
void User::AddFriendGuarded(User& newFriend) void User::AddFriendGuarded(User& newFriend)
{ {
::Loki::ScopeGuard invariantGuard = ::Loki::MakeObjGuard( *this, &User::CheckIfValid, __FUNCTION__, __LINE__);
(void)invariantGuard;
friends_.push_back(&newFriend); friends_.push_back(&newFriend);
Loki::ScopeGuard guard = Loki::MakeObjGuard(friends_, &UserCont::pop_back); Loki::ScopeGuard guard = Loki::MakeObjGuard(friends_, &UserCont::pop_back);
@ -87,6 +102,8 @@ void User::AddFriendGuarded(User& newFriend)
void User::AddFriendGuardedMacros(User&) void User::AddFriendGuardedMacros(User&)
{ {
::Loki::ScopeGuard invariantGuard = ::Loki::MakeObjGuard( *this, &User::CheckIfValid, __FUNCTION__, __LINE__);
(void)invariantGuard;
LOKI_ON_BLOCK_EXIT_OBJ(friends_, &UserCont::pop_back); (void) LOKI_ANONYMOUS_VARIABLE(scopeGuard); LOKI_ON_BLOCK_EXIT_OBJ(friends_, &UserCont::pop_back); (void) LOKI_ANONYMOUS_VARIABLE(scopeGuard);
LOKI_ON_BLOCK_EXIT(Decrement, Loki::ByRef(fCount)); (void) LOKI_ANONYMOUS_VARIABLE(scopeGuard); LOKI_ON_BLOCK_EXIT(Decrement, Loki::ByRef(fCount)); (void) LOKI_ANONYMOUS_VARIABLE(scopeGuard);
} }