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kernel32/tests: Shared lock can overlap exclusive if handles are equal.

This commit is contained in:
Alexander Morozov 2011-10-07 21:01:27 +04:00 committed by Alexandre Julliard
parent bfdc93cdc5
commit b2a302b667
1 changed files with 28 additions and 1 deletions
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29
dlls/kernel32/tests/file.c
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@ -1591,7 +1591,7 @@ static void test_offset_in_overlapped_structure(void)
static void test_LockFile(void) static void test_LockFile(void)
{ {
HANDLE handle; HANDLE handle, handle2;
DWORD written; DWORD written;
OVERLAPPED overlapped; OVERLAPPED overlapped;
int limited_LockFile; int limited_LockFile;
@ -1606,6 +1606,14 @@ static void test_LockFile(void)
ok(0,"couldn't create file \"%s\" (err=%d)\n",filename,GetLastError()); ok(0,"couldn't create file \"%s\" (err=%d)\n",filename,GetLastError());
return; return;
} }
handle2 = CreateFileA( filename, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, 0 );
if (handle2 == INVALID_HANDLE_VALUE)
{
ok( 0, "couldn't open file \"%s\" (err=%d)\n", filename, GetLastError() );
goto cleanup;
}
ok( WriteFile( handle, sillytext, strlen(sillytext), &written, NULL ), "write failed\n" ); ok( WriteFile( handle, sillytext, strlen(sillytext), &written, NULL ), "write failed\n" );
ok( LockFile( handle, 0, 0, 0, 0 ), "LockFile failed\n" ); ok( LockFile( handle, 0, 0, 0, 0 ), "LockFile failed\n" );
@ -1656,6 +1664,23 @@ static void test_LockFile(void)
"UnlockFileEx 150,100 again succeeded\n" ); "UnlockFileEx 150,100 again succeeded\n" );
} }
/* shared lock can overlap exclusive if handles are equal */
S(U(overlapped)).Offset = 300;
ok( LockFileEx( handle, LOCKFILE_EXCLUSIVE_LOCK, 0, 100, 0, &overlapped ),
"LockFileEx exclusive 300,100 failed\n" );
ok( !LockFileEx( handle2, LOCKFILE_FAIL_IMMEDIATELY, 0, 100, 0, &overlapped ),
"LockFileEx handle2 300,100 succeeded\n" );
ret = LockFileEx( handle, LOCKFILE_FAIL_IMMEDIATELY, 0, 100, 0, &overlapped );
todo_wine
ok( ret, "LockFileEx 300,100 failed\n" );
ok( UnlockFileEx( handle, 0, 100, 0, &overlapped ), "UnlockFileEx 300,100 failed\n" );
/* exclusive lock is removed first */
ok( LockFileEx( handle2, LOCKFILE_FAIL_IMMEDIATELY, 0, 100, 0, &overlapped ),
"LockFileEx handle2 300,100 failed\n" );
ok( UnlockFileEx( handle2, 0, 100, 0, &overlapped ), "UnlockFileEx 300,100 failed\n" );
if (ret)
ok( UnlockFileEx( handle, 0, 100, 0, &overlapped ), "UnlockFileEx 300,100 failed\n" );
ret = LockFile( handle, 0, 0x10000000, 0, 0xf0000000 ); ret = LockFile( handle, 0, 0x10000000, 0, 0xf0000000 );
if (ret) if (ret)
{ {
@ -1689,6 +1714,8 @@ static void test_LockFile(void)
ok( UnlockFile( handle, 100, 0, 0, 0 ), "UnlockFile 100,0 failed\n" ); ok( UnlockFile( handle, 100, 0, 0, 0 ), "UnlockFile 100,0 failed\n" );
CloseHandle( handle2 );
cleanup:
CloseHandle( handle ); CloseHandle( handle );
DeleteFileA( filename ); DeleteFileA( filename );
} }