dlls/kernel/tests/pipe.c

   1 /*
   2  * Unit tests for named pipe functions in Wine
   3  *
   4  * Copyright (c) 2002 Dan Kegel
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <time.h>
  24
  25 #ifndef STANDALONE
  26 #include "wine/test.h"
  27 #else
  28 #include <assert.h>
  29 #define START_TEST(name) main(int argc, char **argv)
  30 #define ok(condition, msg) assert(condition)
  31 #define todo_wine
  32 #endif
  33
  34 #include <wtypes.h>
  35 #include <windef.h>
  36 #include <winbase.h>
  37 #include <winerror.h>
  38
  39 #define PIPENAME "\\\\.\\PiPe\\tests_" __FILE__
  40
  41 void test_CreateNamedPipeA(void)
  42 {
  43     HANDLE hnp;
  44     HANDLE hFile;
  45     const char obuf[] = "Bit Bucket";
  46     char ibuf[32];
  47     DWORD written;
  48     DWORD gelesen;
  49
  50     /* Bad parameter checks */
  51     hnp = CreateNamedPipeA("not a named pipe",
  52         PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE|PIPE_WAIT,
  53         /* nMaxInstances */ 1,
  54         /* nOutBufSize */ 1024,
  55         /* nInBufSize */ 1024,
  56         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
  57         /* lpSecurityAttrib */ NULL);
  58
  59     if (hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
  60         /* Is this the right way to notify user of skipped tests? */
  61         ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED,
  62             "CreateNamedPipe not supported on this platform, skipping tests.");
  63         return;
  64     }
  65     ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_INVALID_NAME,
  66         "CreateNamedPipe should fail if name doesn't start with \\\\.\\pipe");
  67
  68     hnp = CreateNamedPipeA(NULL,
  69         PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE|PIPE_WAIT,
  70         1, 1024, 1024, NMPWAIT_USE_DEFAULT_WAIT, NULL);
  71     ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND,
  72         "CreateNamedPipe should fail if name is NULL");
  73
  74     hFile = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0,
  75         NULL, OPEN_EXISTING, 0, 0);
  76     ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_NOT_FOUND, "connecting to nonexistent named pipe should fail with ERROR_FILE_NOT_FOUND");
  77
  78     /* Functional checks */
  79
  80     hnp = CreateNamedPipeA(PIPENAME,
  81         PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE|PIPE_WAIT,
  82         /* nMaxInstances */ 1,
  83         /* nOutBufSize */ 1024,
  84         /* nInBufSize */ 1024,
  85         /* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
  86         /* lpSecurityAttrib */ NULL);
  87     ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed");
  88
  89     hFile = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0,
  90             NULL, OPEN_EXISTING, 0, 0);
  91     todo_wine
  92     {
  93         ok(hFile != INVALID_HANDLE_VALUE, "CreateFile failed");
  94     }
  95
  96     /* don't try to do i/o if one side couldn't be opened, as it hangs */
  97     if (hFile != INVALID_HANDLE_VALUE) {
  98         HANDLE hFile2;
  99
 100         /* Make sure we can read and write a few bytes in both directions*/
 101         memset(ibuf, 0, sizeof(ibuf));
 102         ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile");
 103         ok(written == sizeof(obuf), "write file len");
 104         ok(ReadFile(hFile, ibuf, sizeof(obuf), &gelesen, NULL), "ReadFile");
 105         ok(gelesen == sizeof(obuf), "read file len");
 106         ok(memcmp(obuf, ibuf, written) == 0, "content check");
 107
 108         memset(ibuf, 0, sizeof(ibuf));
 109         ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile");
 110         ok(written == sizeof(obuf), "write file len");
 111         ok(ReadFile(hnp, ibuf, sizeof(obuf), &gelesen, NULL), "ReadFile");
 112         ok(gelesen == sizeof(obuf), "read file len");
 113         ok(memcmp(obuf, ibuf, written) == 0, "content check");
 114
 115         /* Picky conformance tests */
 116
 117         /* Verify that you can't connect to pipe again
 118          * until server calls DisconnectNamedPipe+ConnectNamedPipe
 119          * or creates a new pipe
 120          * case 1: other client not yet closed
 121          */
 122         hFile2 = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0,
 123             NULL, OPEN_EXISTING, 0, 0);
 124         ok(hFile2 == INVALID_HANDLE_VALUE, "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail");
 125         ok(GetLastError() == ERROR_PIPE_BUSY, "connecting to named pipe before other client closes should fail with ERROR_PIPE_BUSY");
 126
 127         ok(CloseHandle(hFile), "CloseHandle");
 128
 129         /* case 2: other client already closed */
 130         hFile = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0,
 131             NULL, OPEN_EXISTING, 0, 0);
 132         ok(hFile == INVALID_HANDLE_VALUE, "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail");
 133         ok(GetLastError() == ERROR_PIPE_BUSY, "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail with ERROR_PIPE_BUSY");
 134
 135         ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe");
 136
 137         /* case 3: server has called DisconnectNamedPipe but not ConnectNamed Pipe */
 138         hFile = CreateFileA(PIPENAME, GENERIC_READ|GENERIC_WRITE, 0,
 139             NULL, OPEN_EXISTING, 0, 0);
 140         ok(hFile == INVALID_HANDLE_VALUE, "connecting to named pipe after other client closes but before DisconnectNamedPipe should fail");
 141         ok(GetLastError() == ERROR_PIPE_BUSY, "connecting to named pipe after other client closes but before ConnectNamedPipe should fail with ERROR_PIPE_BUSY");
 142
 143         /* to be complete, we'd call ConnectNamedPipe here and loop,
 144          * but by default that's blocking, so we'd either have
 145          * to turn on the uncommon nonblocking mode, or
 146          * use another thread.
 147          */
 148     }
 149
 150     ok(CloseHandle(hnp), "CloseHandle");
 151 }
 152
 153 START_TEST(pipe)
 154 {
 155     test_CreateNamedPipeA();
 156 }