apr-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From jor...@apache.org
Subject cvs commit: apr/test testatomic.c
Date Tue, 06 Jan 2004 14:49:11 GMT
jorton      2004/01/06 06:49:11

  Modified:    test     testatomic.c
  Log:
  * testatomic.c (check_basic_atomics32): Test wrapping around zero.
  
  Revision  Changes    Path
  1.38      +25 -0     apr/test/testatomic.c
  
  Index: testatomic.c
  ===================================================================
  RCS file: /home/cvs/apr/test/testatomic.c,v
  retrieving revision 1.37
  retrieving revision 1.38
  diff -b -d -u -r1.37 -r1.38
  --- testatomic.c	9 Dec 2003 19:00:51 -0000	1.37
  +++ testatomic.c	6 Jan 2004 14:49:11 -0000	1.38
  @@ -84,6 +84,7 @@
   {
       apr_uint32_t oldval;
       apr_uint32_t casval = 0;
  +    apr_uint32_t minus1 = -1;
   
       apr_atomic_set32(&y32, 2);
       printf("%-60s", "testing apr_atomic_dec32");
  @@ -178,6 +179,30 @@
           return APR_EGENERAL;
       }
       fprintf(stdout, "OK\n");
  +
  +    printf("%-60s", "testing wrapping around zero");
  +
  +    apr_atomic_set32(&y32, 0);
  +    if (apr_atomic_dec32(&y32) == 0) {
  +        fprintf(stderr, "apr_atomic_dec32 on zero returned zero.\n");
  +        return APR_EGENERAL;
  +    }
  +    if (apr_atomic_read32(&y32) != minus1) {
  +        fprintf(stderr, "zero wrap failed: 0 - 1 = %d\n",
  +                apr_atomic_read32(&y32));
  +        return APR_EGENERAL;
  +    }
  +
  +    if (apr_atomic_inc32(&y32) != minus1) {
  +        fprintf(stderr, "apr_atomic_inc32 on -1 returned bad value.\n");
  +        return APR_EGENERAL;
  +    }
  +    if (apr_atomic_read32(&y32) != 0) {
  +        fprintf(stderr, "zero wrap failed: -1 + 1 = %u\n", 
  +                apr_atomic_read32(&y32));
  +        return APR_EGENERAL;
  +    }
  +    printf("OK\n");
   
       return APR_SUCCESS;
   }
  
  
  

Mime
View raw message