LCOV - code coverage report
Current view: top level - lib/gltests - test-vasnprintf.c (source / functions) Hit Total Coverage
Test: GNU SASL Lines: 36 36 100.0 %
Date: 2012-05-28 Functions: 5 5 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 16 24 66.7 %

           Branch data     Line data    Source code
       1                 :            : /* Test of vasnprintf() and asnprintf() functions.
       2                 :            :    Copyright (C) 2007-2012 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            :    This program is free software: you can redistribute it and/or modify
       5                 :            :    it under the terms of the GNU General Public License as published by
       6                 :            :    the Free Software Foundation; either version 3 of the License, or
       7                 :            :    (at your option) any later version.
       8                 :            : 
       9                 :            :    This program is distributed in the hope that it will be useful,
      10                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12                 :            :    GNU General Public License for more details.
      13                 :            : 
      14                 :            :    You should have received a copy of the GNU General Public License
      15                 :            :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      16                 :            : 
      17                 :            : /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
      18                 :            : 
      19                 :            : #include <config.h>
      20                 :            : 
      21                 :            : #include "vasnprintf.h"
      22                 :            : 
      23                 :            : #include <stdarg.h>
      24                 :            : #include <stdlib.h>
      25                 :            : #include <string.h>
      26                 :            : 
      27                 :            : #include "macros.h"
      28                 :            : 
      29                 :            : static void
      30                 :          2 : test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
      31                 :            : {
      32                 :            :   char buf[8];
      33                 :            :   int size;
      34                 :            : 
      35         [ +  + ]:         20 :   for (size = 0; size <= 8; size++)
      36                 :            :     {
      37                 :         18 :       size_t length = size;
      38                 :         18 :       char *result = my_asnprintf (NULL, &length, "%d", 12345);
      39         [ -  + ]:         18 :       ASSERT (result != NULL);
      40         [ -  + ]:         18 :       ASSERT (strcmp (result, "12345") == 0);
      41         [ -  + ]:         18 :       ASSERT (length == 5);
      42                 :         18 :       free (result);
      43                 :            :     }
      44                 :            : 
      45         [ +  + ]:         20 :   for (size = 0; size <= 8; size++)
      46                 :            :     {
      47                 :            :       size_t length;
      48                 :            :       char *result;
      49                 :            : 
      50                 :         18 :       memcpy (buf, "DEADBEEF", 8);
      51                 :         18 :       length = size;
      52                 :         18 :       result = my_asnprintf (buf, &length, "%d", 12345);
      53         [ -  + ]:         18 :       ASSERT (result != NULL);
      54         [ -  + ]:         18 :       ASSERT (strcmp (result, "12345") == 0);
      55         [ -  + ]:         18 :       ASSERT (length == 5);
      56         [ +  + ]:         18 :       if (size < 6)
      57         [ -  + ]:         12 :         ASSERT (result != buf);
      58         [ -  + ]:         18 :       ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
      59         [ +  + ]:         18 :       if (result != buf)
      60                 :         14 :         free (result);
      61                 :            :     }
      62                 :          2 : }
      63                 :            : 
      64                 :            : static char *
      65                 :         18 : my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
      66                 :            : {
      67                 :            :   va_list args;
      68                 :            :   char *ret;
      69                 :            : 
      70                 :         18 :   va_start (args, format);
      71                 :         18 :   ret = vasnprintf (resultbuf, lengthp, format, args);
      72                 :         18 :   va_end (args);
      73                 :         18 :   return ret;
      74                 :            : }
      75                 :            : 
      76                 :            : static void
      77                 :          1 : test_vasnprintf ()
      78                 :            : {
      79                 :          1 :   test_function (my_asnprintf);
      80                 :          1 : }
      81                 :            : 
      82                 :            : static void
      83                 :          1 : test_asnprintf ()
      84                 :            : {
      85                 :          1 :   test_function (asnprintf);
      86                 :          1 : }
      87                 :            : 
      88                 :            : int
      89                 :          1 : main (int argc, char *argv[])
      90                 :            : {
      91                 :          1 :   test_vasnprintf ();
      92                 :          1 :   test_asnprintf ();
      93                 :          1 :   return 0;
      94                 :            : }

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