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msvcrt/tests: Add tests for the handle inheritance block. 

Based on a patch by André Hentschel.
oldstable
Alexandre Julliard 2009-09-10 15:29:35 +02:00
parent ded81aebc7
commit da2db26dec
1 changed files with 136 additions and 1 deletions
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137
dlls/msvcrt/tests/file.c
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@ -857,12 +857,89 @@ static void test_file_inherit_child_no(const char* fd_s)
ok( ret == -1 && errno == EBADF,
"Wrong write result in child process on %d (%s)\n", fd, strerror(errno));
}
static void create_io_inherit_block( STARTUPINFO *startup, unsigned int count, const HANDLE *handles )
{
static BYTE block[1024];
BYTE *wxflag_ptr;
HANDLE *handle_ptr;
unsigned int i;
startup->lpReserved2 = block;
startup->cbReserved2 = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * count;
wxflag_ptr = block + sizeof(unsigned);
handle_ptr = (HANDLE *)(wxflag_ptr + count);
*(unsigned*)block = count;
for (i = 0; i < count; i++)
{
wxflag_ptr[i] = 0x81;
handle_ptr[i] = handles[i];
}
}
static const char *read_file( HANDLE file )
{
static char buffer[128];
DWORD ret;
SetFilePointer( file, 0, NULL, FILE_BEGIN );
if (!ReadFile( file, buffer, sizeof(buffer) - 1, &ret, NULL)) ret = 0;
buffer[ret] = 0;
return buffer;
}
static void test_stdout_handle( STARTUPINFO *startup, char *cmdline, HANDLE hstdout, BOOL expect_stdout,
const char *descr )
{
const char *data;
HANDLE hErrorFile;
SECURITY_ATTRIBUTES sa;
PROCESS_INFORMATION proc;
/* make file handle inheritable */
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
hErrorFile = CreateFileA( "fdopen.err", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL );
startup->dwFlags = STARTF_USESTDHANDLES;
startup->hStdInput = GetStdHandle( STD_INPUT_HANDLE );
startup->hStdOutput = hErrorFile;
startup->hStdError = GetStdHandle( STD_ERROR_HANDLE );
CreateProcessA( NULL, cmdline, NULL, NULL, TRUE,
CREATE_DEFAULT_ERROR_MODE | NORMAL_PRIORITY_CLASS, NULL, NULL, startup, &proc );
winetest_wait_child_process( proc.hProcess );
data = read_file( hErrorFile );
if (expect_stdout)
ok( strcmp( data, "Success" ), "%s: Error file shouldn't contain data\n", descr );
else
ok( !strcmp( data, "Success" ), "%s: Wrong error data (%s)\n", descr, data );
if (hstdout)
{
data = read_file( hstdout );
if (expect_stdout)
ok( !strcmp( data, "Success" ), "%s: Wrong stdout data (%s)\n", descr, data );
else
ok( strcmp( data, "Success" ), "%s: Stdout file shouldn't contain data\n", descr );
}
CloseHandle( hErrorFile );
DeleteFile( "fdopen.err" );
}
static void test_file_inherit( const char* selfname )
{
int fd;
const char* arg_v[5];
char buffer[16];
char cmdline[MAX_PATH];
STARTUPINFO startup;
SECURITY_ATTRIBUTES sa;
HANDLE handles[3];
fd = open ("fdopen.tst", O_CREAT | O_RDWR | O_BINARY, _S_IREAD |_S_IWRITE);
ok(fd != -1, "Couldn't create test file\n");
@ -890,6 +967,64 @@ static void test_file_inherit( const char* selfname )
ok(read(fd, buffer, sizeof (buffer)) == 0, "Found unexpected data (%s)\n", buffer);
close (fd);
ok(unlink("fdopen.tst") == 0, "Couldn't unlink\n");
/* make file handle inheritable */
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
sprintf(cmdline, "%s file inherit 1", selfname);
/* init an empty Reserved2, which should not be recognized as inherit-block */
ZeroMemory(&startup, sizeof(STARTUPINFO));
startup.cb = sizeof(startup);
create_io_inherit_block( &startup, 0, NULL );
test_stdout_handle( &startup, cmdline, 0, FALSE, "empty block" );
/* test with valid inheritblock */
handles[0] = GetStdHandle( STD_INPUT_HANDLE );
handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL );
handles[2] = GetStdHandle( STD_ERROR_HANDLE );
create_io_inherit_block( &startup, 3, handles );
test_stdout_handle( &startup, cmdline, handles[1], TRUE, "valid block" );
CloseHandle( handles[1] );
DeleteFile("fdopen.tst");
/* test inherit block starting with unsigned zero */
handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL );
create_io_inherit_block( &startup, 3, handles );
*(unsigned int *)startup.lpReserved2 = 0;
test_stdout_handle( &startup, cmdline, handles[1], FALSE, "zero count block" );
CloseHandle( handles[1] );
DeleteFile("fdopen.tst");
/* test inherit block with smaller size */
handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL );
create_io_inherit_block( &startup, 3, handles );
startup.cbReserved2 -= 3;
test_stdout_handle( &startup, cmdline, handles[1], TRUE, "small size block" );
CloseHandle( handles[1] );
DeleteFile("fdopen.tst");
/* test inherit block with even smaller size */
handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL );
create_io_inherit_block( &startup, 3, handles );
startup.cbReserved2 = sizeof(unsigned int) + sizeof(HANDLE) + sizeof(char);
test_stdout_handle( &startup, cmdline, handles[1], FALSE, "smaller size block" );
CloseHandle( handles[1] );
DeleteFile("fdopen.tst");
/* test inherit block with larger size */
handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL );
create_io_inherit_block( &startup, 3, handles );
startup.cbReserved2 += 7;
test_stdout_handle( &startup, cmdline, handles[1], TRUE, "large size block" );
CloseHandle( handles[1] );
DeleteFile("fdopen.tst");
}
static void test_tmpnam( void )