c++ - Google Mock Destructor -

i'm trying become familiar google's mocking framework can more apply tdd c++ development. have following interface:

#include <string>  class symbol { public:     symbol (std::string name, unsigned long address) {}     virtual ~symbol() {}     virtual std::string getname() const = 0;     virtual unsigned long getaddress() const = 0;     virtual void setaddress(unsigned long address) = 0; }; 

i want verify destructor called when instance deleted. have following mocksymbol class:

#include "gmock/gmock.h" #include "symbol.h"  class mocksymbol : public symbol {     public:         mocksymbol(std::string name, unsigned long address = 0) :             symbol(name, address) {}         mock_const_method0(getname, std::string());         mock_const_method0(getaddress, unsigned long());         mock_method1(setaddress, void(unsigned long address));         mock_method0(die, void());         virtual ~mocksymbol() { die(); } }; 

note: i've omitted include guards in above in header files.

i haven't been able point i'm testing yet. have following:

#include "gmock/gmock.h" #include "mocksymbol.h"  test(symboltabletests, destructordeletesallsymbols) {     ::testing::flags_gmock_verbose = "info";     mocksymbol *mocksymbol = new mocksymbol("mocksymbol");     expect_call(*mocksymbol, die()); } 

when execute test runner, other tests execute , pass expect them to. however, when above test executes following error:

symboltabletests.cpp:11: expect_call(*mocksymbol, die()) invoked segmentation fault (core dumped)

i've spent last few hours searching google , trying different things, know avail. have suggestions?

i found setting gtest_disable_pthreads on in build config solves problem.