reactos/modules/rostests/apitests/crt/static_construct.cpp

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/*
* PROJECT: ReactOS API tests
* LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
* PURPOSE: Test for static C++ object construction
* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
* Mark Jansen
*/
#include <apitest.h>
#include <strsafe.h>
#include "dll_startup.h"
#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wuninitialized"
#endif
extern "C"
{
extern int static_init_counter;
static int static_init_counter_at_startup;
static int static_construct_counter_at_startup;
static int m_uninit_at_startup;
int static_construct_counter = 789;
}
static struct init_static
{
int m_uninit;
int m_counter;
init_static() :
m_counter(2)
{
static_init_counter_at_startup = static_init_counter;
static_construct_counter_at_startup = static_construct_counter;
m_uninit_at_startup = m_uninit;
static_construct_counter++;
m_uninit++;
}
} init_static;
static
VOID
TestInitStatic(VOID)
{
ok(static_init_counter_at_startup == 123, "static_init_counter at startup: %d\n", static_init_counter_at_startup);
ok(static_construct_counter_at_startup == 789, "static_construct_counter at startup: %d\n", static_construct_counter_at_startup);
ok(m_uninit_at_startup == 0, "init_static.m_uninit at startup: %d\n", m_uninit_at_startup);
ok(static_init_counter == 123, "static_init_counter: %d\n", static_init_counter);
ok(static_construct_counter == 790, "static_construct_counter: %d\n", static_construct_counter);
ok(init_static.m_counter == 2, "init_static.m_counter: %d\n", init_static.m_counter);
ok(init_static.m_uninit == 1, "init_static.m_uninit: %d\n", init_static.m_uninit);
}
static
VOID
TestDllStartup(VOID)
{
#if defined(TEST_MSVCRT)
const PCWSTR DllName = L"msvcrt_crt_dll_startup.dll";
#elif defined(TEST_STATIC_CRT)
const PCWSTR DllName = L"static_crt_dll_startup.dll";
#else
#error This test only makes sense for static CRT and msvcrt.dll
#endif
WCHAR DllPath[MAX_PATH];
GetModuleFileNameW(NULL, DllPath, _countof(DllPath));
wcsrchr(DllPath, L'\\')[1] = UNICODE_NULL;
StringCchCatW(DllPath, _countof(DllPath), DllName);
HMODULE hDll = LoadLibraryW(DllPath);
if (hDll == NULL)
{
skip("Helper dll not found\n");
return;
}
SET_COUNTER_VALUES_POINTER *pSetCounterValuesPointer = reinterpret_cast<SET_COUNTER_VALUES_POINTER*>(GetProcAddress(hDll, "SetCounterValuesPointer"));
if (pSetCounterValuesPointer == NULL)
{
skip("Helper function not found\n");
FreeLibrary(hDll);
return;
}
counter_values values;
pSetCounterValuesPointer(&values);
ok(values.m_uninit_at_startup == 0, "m_uninit_at_startup = %d\n", values.m_uninit_at_startup);
ok(values.m_uninit == 1, "m_uninit = %d\n", values.m_uninit);
ok(values.m_counter == 2, "m_counter = %d\n", values.m_counter);
ok(values.static_construct_counter_at_startup == 5656, "static_construct_counter_at_startup = %d\n", values.static_construct_counter_at_startup);
ok(values.static_construct_counter == 5657, "static_construct_counter = %d\n", values.static_construct_counter);
ok(values.dtor_counter_at_detach == 0, "dtor_counter_at_detach = %d\n", values.dtor_counter_at_detach);
ok(values.dtor_counter == 0, "dtor_counter = %d\n", values.dtor_counter);
values.dtor_counter_at_detach = 78789;
values.dtor_counter = 7878;
FreeLibrary(hDll);
ok(values.m_uninit_at_startup == 0, "m_uninit_at_startup = %d\n", values.m_uninit_at_startup);
ok(values.m_uninit == 1, "m_uninit = %d\n", values.m_uninit);
ok(values.m_counter == 2, "m_counter = %d\n", values.m_counter);
ok(values.static_construct_counter_at_startup == 5656, "static_construct_counter_at_startup = %d\n", values.static_construct_counter_at_startup);
ok(values.static_construct_counter == 5657, "static_construct_counter = %d\n", values.static_construct_counter);
ok(values.dtor_counter_at_detach == 7878, "dtor_counter_at_detach = %d\n", values.dtor_counter_at_detach);
ok(values.dtor_counter == 7879, "dtor_counter = %d\n", values.dtor_counter);
}
struct shared_memory
{
int init_count;
int uninit_count;
};
static HANDLE g_FileMapping = NULL;
static BOOL g_CreatedFileMapping = FALSE;
static shared_memory* g_Memory = NULL;
#define MAPPING_NAME L"crt_apitest_static_construct"
static void map_memory()
{
if (g_FileMapping)
return;
g_FileMapping = OpenFileMappingW(FILE_MAP_ALL_ACCESS, FALSE, MAPPING_NAME);
if (g_FileMapping)
{
g_CreatedFileMapping = FALSE;
}
else
{
g_FileMapping = CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(shared_memory), MAPPING_NAME);
g_CreatedFileMapping = TRUE;
}
if (g_FileMapping == NULL)
{
skip("Could not map shared memory\n");
return;
}
g_Memory = static_cast<shared_memory*>(MapViewOfFile(g_FileMapping, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(shared_memory)));
if (g_Memory == NULL)
{
skip("Could not map view of shared memory\n");
CloseHandle(g_FileMapping);
g_FileMapping = NULL;
}
if (g_CreatedFileMapping)
ZeroMemory(g_Memory, sizeof(shared_memory));
}
static void unmap_memory()
{
// we do not clean the mapping in the child, since we want to count all dtor's!
if (g_FileMapping && g_CreatedFileMapping)
{
UnmapViewOfFile(g_Memory);
CloseHandle(g_FileMapping);
g_Memory = NULL;
g_FileMapping = NULL;
}
}
static struct shared_mem_static
{
shared_mem_static()
{
map_memory();
if (g_Memory)
g_Memory->init_count++;
}
~shared_mem_static()
{
if (g_Memory)
g_Memory->uninit_count++;
unmap_memory();
}
} shared_mem_static;
static
VOID
TestStaticDestruct(VOID)
{
ok(g_Memory != NULL, "Expected the mapping to be in place\n");
ok(g_CreatedFileMapping == TRUE, "Expected to create a new shared section!\n");
if (g_Memory == NULL)
{
skip("Can't proceed without file mapping\n");
return;
}
ok(g_Memory->init_count == 1, "Expected init_count to be 1, was: %d\n", g_Memory->init_count);
ok(g_Memory->uninit_count == 0, "Expected uninit_count to be 0, was: %d\n", g_Memory->uninit_count);
WCHAR path[MAX_PATH];
// we just need an extra argument to tell the test it's only running to increment the dtor count :)
GetModuleFileNameW(NULL, path, _countof(path));
WCHAR buf[MAX_PATH+40];
StringCchPrintfW(buf, _countof(buf), L"\"%ls\" static_construct dummy", path);
STARTUPINFOW si = { sizeof(si) };
PROCESS_INFORMATION pi;
BOOL created = CreateProcessW(NULL, buf, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
ok(created, "Expected CreateProcess to succeed\n");
if (created)
{
winetest_wait_child_process(pi.hProcess);
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
ok(g_Memory->init_count == 2, "Expected init_count to be 2, was: %d\n", g_Memory->init_count);
ok(g_Memory->uninit_count == 1, "Expected uninit_count to be 1, was: %d\n", g_Memory->uninit_count);
}
}
START_TEST(static_construct)
{
char **argv;
int argc = winetest_get_mainargs(&argv);
if (argc >= 3)
{
// we are just here to increment the reference count in the shared section!
ok(g_Memory != NULL, "Expected the shared memory to be mapped!\n");
ok(g_CreatedFileMapping == FALSE, "Expected the shared memory to be created by my parent!\n");
return;
}
TestInitStatic();
TestDllStartup();
TestStaticDestruct();
}