library/cpp/testing/hook/hook.cpp


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#include "hook.h" 
 
namespace { 
    NTesting::THook* BeforeInitHead = nullptr; 
    NTesting::THook* BeforeRunHead = nullptr; 
    NTesting::THook* AfterRunHead = nullptr; 
 
    void RegisterHook(NTesting::THook*& head, NTesting::THook* hook) { 
        hook->Next = head; 
        head = hook; 
    } 
 
    void CallHooks(NTesting::THook* head) { 
        while (nullptr != head) { 
            if (nullptr != head->Fn) { 
                (*head->Fn)(); 
            } 
            head = head->Next; 
        } 
    } 
} 
 
void NTesting::THook::RegisterBeforeInit(NTesting::THook* hook) noexcept { 
    RegisterHook(BeforeInitHead, hook); 
} 
 
void NTesting::THook::CallBeforeInit() { 
    CallHooks(BeforeInitHead); 
} 
 
void NTesting::THook::RegisterBeforeRun(NTesting::THook* hook) noexcept { 
    RegisterHook(BeforeRunHead, hook); 
} 
 
void NTesting::THook::CallBeforeRun() { 
    CallHooks(BeforeRunHead); 
} 
 
void NTesting::THook::RegisterAfterRun(NTesting::THook* hook) noexcept { 
    RegisterHook(AfterRunHead, hook); 
} 
 
void NTesting::THook::CallAfterRun() { 
    CallHooks(AfterRunHead); 
}