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https://github.com/meekrosoft/fff
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b8f9e65387
Assuming your C interfaces are appropriately wrapped for C++, it is unnecessary to force the fakes to be declared extern "C", and doing so causes any functions declared with C++ linkage to be impossible to fake due to the conflicting linkage declarations.
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/*
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* fff_test.cpp
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*
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* Created on: Dec 20, 2010
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* Author: mlong
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*/
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// Want to keep the argument history for 13 calls
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#define OVERRIDE_ARG_HIST_LEN 13u
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#define FFF_ARG_HISTORY_LEN OVERRIDE_ARG_HIST_LEN
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// Want to keep the call sequence history for 17 function calls
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#define OVERRIDE_CALL_HIST_LEN 17u
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#define FFF_CALL_HISTORY_LEN OVERRIDE_CALL_HIST_LEN
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#include "../fff.h"
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#include <gtest/gtest.h>
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DEFINE_FFF_GLOBALS
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FAKE_VOID_FUNC(voidfunc1, int);
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FAKE_VOID_FUNC(voidfunc2, char, char);
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FAKE_VOID_FUNC(voidfunc1outparam, char *);
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FAKE_VALUE_FUNC(long, longfunc0);
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FAKE_VOID_FUNC(voidfunc20, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int);
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FAKE_VALUE_FUNC(int, valuefunc20, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int, int);
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class FFFTestSuite: public testing::Test
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{
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public:
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void SetUp()
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{
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RESET_FAKE(voidfunc1);
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RESET_FAKE(voidfunc2);
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RESET_FAKE(longfunc0);
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RESET_FAKE(voidfunc1outparam);
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FFF_RESET_HISTORY();
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}
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};
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#include "test_cases.include"
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TEST_F(FFFTestSuite, default_constants_can_be_overridden)
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{
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unsigned sizeCallHistory = (sizeof fff.call_history) / (sizeof fff.call_history[0]);
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ASSERT_EQ(OVERRIDE_CALL_HIST_LEN, sizeCallHistory);
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ASSERT_EQ(OVERRIDE_ARG_HIST_LEN, voidfunc2_fake.arg_history_len);
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}
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// Fake declared in C++ context (not extern "C", using namespace)
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// before the fake is declared
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namespace cxx
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{
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typedef int int_t;
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void voidfunc1(cxx::int_t);
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}
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// Now declare the fake. Must be in the same namespace as the
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// original declaration.
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namespace cxx
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{
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FAKE_VOID_FUNC(voidfunc1, cxx::int_t);
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}
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TEST_F(FFFTestSuite, cxx_fake_is_called)
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{
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cxx::voidfunc1(66);
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ASSERT_EQ(cxx::voidfunc1_fake.call_count, 1u);
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ASSERT_EQ(cxx::voidfunc1_fake.arg0_val, 66);
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}
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static int cxx_my_custom_fake_called = 0;
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void cxx_my_custom_fake(cxx::int_t i)
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{
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cxx_my_custom_fake_called++;
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}
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TEST_F(FFFTestSuite, cxx_can_register_custom_fake)
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{
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cxx::voidfunc1_fake.custom_fake = cxx_my_custom_fake;
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cxx::voidfunc1(66);
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ASSERT_EQ(1, cxx_my_custom_fake_called);
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}
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