The Tor Browser: nsprpub/pr/tests/op

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /***********************************************************************

     7 **

     8 ** Name: op_excl.c

     9 **

    10 ** Description: Test Program to verify function of PR_EXCL open flag

    11 **

    12 ** Modification History:

    13 ** 27-Oct-1999 lth. Initial version

    14 ***********************************************************************/

    16 #include <plgetopt.h>

    17 #include <nspr.h>

    18 #include <stdio.h>

    19 #include <stdlib.h>

    21 /*

    22 ** Test harness infrastructure

    23 */

    24 PRLogModuleInfo *lm;

    25 PRLogModuleLevel msgLevel = PR_LOG_NONE;

    26 PRIntn  debug = 0;

    27 PRUint32  failed_already = 0;

    28 /* end Test harness infrastructure */

    29 /*

    30 ** Emit help text for this test

    31 */

    32 static void Help( void )

    33 {

    34     printf("op_excl: Help");

    35     printf("op_excl [-d]");

    36     printf("-d enables debug messages");

    37     exit(1);

    38 } /* end Help() */

    42 int main(int argc, char **argv)

    43 {

    44     PRFileDesc  *fd;

    45     PRStatus    rv;

    46     PRInt32     written;

    47     char        outBuf[] = "op_excl.c test file";

    48 #define OUT_SIZE sizeof(outBuf)

    49 #define NEW_FILENAME "xxxExclNewFile"

    51     {

    52         /*

    53         ** Get command line options

    54         */

    55         PLOptStatus os;

    56         PLOptState *opt = PL_CreateOptState(argc, argv, "hd");

    58 	    while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))

    59         {

    60 		    if (PL_OPT_BAD == os) continue;

    61             switch (opt->option)

    62             {

    63             case 'd':  /* debug */

    64                 debug = 1;

    65 			    msgLevel = PR_LOG_ERROR;

    66                 break;

    67             case 'h':  /* help message */

    68 			    Help();

    69                 break;

    70              default:

    71                 break;

    72             }

    73         }

    74 	    PL_DestroyOptState(opt);

    75     }

    77     lm = PR_NewLogModule("Test");       /* Initialize logging */

    79     /*

    80     ** First, open a file, PR_EXCL, we believe not to exist

    81     */

    82     fd = PR_Open( NEW_FILENAME, PR_CREATE_FILE | PR_EXCL | PR_WRONLY, 0666 );

    83     if ( NULL == fd )  {

    84         if (debug) fprintf( stderr, "Open exclusive. Expected success, got failure\n");

    85         failed_already = 1;

    86         goto Finished;

    87     }

    89     written = PR_Write( fd, outBuf, OUT_SIZE );

    90     if ( OUT_SIZE != written )  {

    91         if (debug) fprintf( stderr, "Write after open exclusive failed\n");

    92         failed_already = 1;

    93         goto Finished;

    94     }

    96     rv = PR_Close(fd);

    97     if ( PR_FAILURE == rv )  {

    98         if (debug) fprintf( stderr, "Close after open exclusive failed\n");

    99         failed_already = 1;

   100         goto Finished;

   101     }

   103     /*

   104     ** Second, open the same file, PR_EXCL, expect it to fail

   105     */

   106     fd = PR_Open( NEW_FILENAME, PR_CREATE_FILE | PR_EXCL | PR_WRONLY, 0666 );

   107     if ( NULL != fd )  {

   108         if (debug) fprintf( stderr, "Open exclusive. Expected failure, got success\n");

   109         failed_already = 1;

   110         PR_Close(fd);

   111     }

   113     rv = PR_Delete( NEW_FILENAME );

   114     if ( PR_FAILURE == rv ) {

   115         if (debug) fprintf( stderr, "PR_Delete() failed\n");

   116         failed_already = 1;

   117     }

   119 Finished:

   120     if (debug) printf("%s\n", (failed_already)? "FAIL" : "PASS");

   121     return( (failed_already == PR_TRUE )? 1 : 0 );

   122 }  /* main() */

   123 /* end op_excl.c */

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