diff options
Diffstat (limited to 'nsprpub/pr/tests/append.c')
| -rw-r--r-- | nsprpub/pr/tests/append.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/append.c b/nsprpub/pr/tests/append.c new file mode 100644 index 000000000..53439d5f0 --- /dev/null +++ b/nsprpub/pr/tests/append.c @@ -0,0 +1,126 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* +** File: append.c +** Description: Testing File writes where PR_APPEND was used on open +** +** append attempts to verify that a file opened with PR_APPEND +** will always append to the end of file, regardless where the +** current file pointer is positioned. To do this, PR_Seek() is +** called before each write with the position set to beginning of +** file. Subsequent writes should always append. +** The file is read back, summing the integer data written to the +** file. If the expected result is equal, the test passes. +** +** See BugSplat: 4090 +*/ +#include "plgetopt.h" +#include "nspr.h" + +#include <stdio.h> +#include <stdlib.h> + +PRIntn debug = 0; +PRIntn verbose = 0; +PRBool failedAlready = PR_FALSE; +const PRInt32 addedBytes = 1000; +const PRInt32 buf = 1; /* constant written to fd, addedBytes times */ +PRInt32 inBuf; /* read it back into here */ + +int main(int argc, char **argv) +{ + PRStatus rc; + PRInt32 rv; + PRFileDesc *fd; + PRIntn i; + PRInt32 sum = 0; + + { /* Get command line options */ + PLOptStatus os; + PLOptState *opt = PL_CreateOptState(argc, argv, "vd"); + + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) + { + if (PL_OPT_BAD == os) continue; + switch (opt->option) + { + case 'd': /* debug */ + debug = 1; + break; + case 'v': /* verbose */ + verbose = 1; + break; + default: + break; + } + } + PL_DestroyOptState(opt); + } /* end block "Get command line options" */ +/* ---------------------------------------------------------------------- */ + fd = PR_Open( "/tmp/nsprAppend", (PR_APPEND | PR_CREATE_FILE | PR_TRUNCATE | PR_WRONLY), 0666 ); + if ( NULL == fd ) { + if (debug) printf("PR_Open() failed for writing: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } + + for ( i = 0; i < addedBytes ; i++ ) { + rv = PR_Write( fd, &buf, sizeof(buf)); + if ( sizeof(buf) != rv ) { + if (debug) printf("PR_Write() failed: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } + rv = PR_Seek( fd, 0 , PR_SEEK_SET ); + if ( -1 == rv ) { + if (debug) printf("PR_Seek() failed: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } + } + rc = PR_Close( fd ); + if ( PR_FAILURE == rc ) { + if (debug) printf("PR_Close() failed after writing: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } +/* ---------------------------------------------------------------------- */ + fd = PR_Open( "/tmp/nsprAppend", PR_RDONLY, 0 ); + if ( NULL == fd ) { + if (debug) printf("PR_Open() failed for reading: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } + + for ( i = 0; i < addedBytes ; i++ ) { + rv = PR_Read( fd, &inBuf, sizeof(inBuf)); + if ( sizeof(inBuf) != rv) { + if (debug) printf("PR_Write() failed: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } + sum += inBuf; + } + + rc = PR_Close( fd ); + if ( PR_FAILURE == rc ) { + if (debug) printf("PR_Close() failed after reading: %d\n", PR_GetError()); + failedAlready = PR_TRUE; + goto Finished; + } + if ( sum != addedBytes ) { + if (debug) printf("Uh Oh! addedBytes: %d. Sum: %d\n", addedBytes, sum); + failedAlready = PR_TRUE; + goto Finished; + } + +/* ---------------------------------------------------------------------- */ +Finished: + if (debug || verbose) printf("%s\n", (failedAlready)? "FAILED" : "PASSED" ); + return( (failedAlready)? 1 : 0 ); +} /* main() */ + +/* append.c */ |