LCOV - code coverage report
Current view: top level - src/interfaces/ecpg/test/pgtypeslib - nan_test.pgc (source / functions) Hit Total Coverage
Test: PostgreSQL 13devel Lines: 55 55 100.0 %
Date: 2019-11-13 22:07:24 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : #include <stdio.h>
       2             : #include <stdlib.h>
       3             : #include <float.h>
       4             : #include <math.h>
       5             : #include <pgtypes_numeric.h>
       6             : #include <decimal.h>
       7             : 
       8             : exec sql include ../regression;
       9             : 
      10             : int
      11           4 : main(void)
      12             : {
      13             :     exec sql begin declare section;
      14             :     int id, loopcount;
      15             :     double  d;
      16             :     numeric *num;
      17             :     char    val[16];
      18             :     exec sql end declare section;
      19             : 
      20           4 :     ECPGdebug(1, stderr);
      21             :     exec sql whenever sqlerror do sqlprint();
      22             : 
      23           4 :     exec sql connect to REGRESSDB1;
      24           4 : 
      25           4 :     exec sql create table nantest1 (id int4, d float8);
      26           4 :     exec sql insert into nantest1 (id, d) values (1, 'nan'::float8), (2, 'infinity'::float8), (3, '-infinity'::float8);
      27           4 : 
      28             :     exec sql declare cur cursor for select id, d, d from nantest1;
      29           4 :     exec sql open cur;
      30          16 :     for (loopcount = 0; loopcount < 100; loopcount++)
      31             :     {
      32          16 :         exec sql fetch from cur into :id, :d, :val;
      33          16 :         if (sqlca.sqlcode)
      34           4 :             break;
      35          12 :         if (isnan(d))
      36           4 :             printf("%d  NaN '%s'\n", id, val);
      37           8 :         else if (isinf(d))
      38           8 :             printf("%d %sInf '%s'\n", id, (d < 0 ? "-" : "+"), val);
      39             : 
      40          12 :         exec sql insert into nantest1 (id, d) values (:id + 3, :d);
      41          12 :         exec sql insert into nantest1 (id, d) values (:id + 6, :val);
      42          12 :     }
      43           4 :     exec sql close cur;
      44           4 : 
      45           4 :     exec sql open cur;
      46          40 :     for (loopcount = 0; loopcount < 100; loopcount++)
      47             :     {
      48          40 :         exec sql fetch from cur into :id, :d, :val;
      49          40 :         if (sqlca.sqlcode)
      50           4 :             break;
      51          36 :         if (isinf(d))
      52          24 :             printf("%d %sInf '%s'\n", id, (d < 0 ? "-" : "+"), val);
      53          36 :         if (isnan(d))
      54          12 :             printf("%d  NaN '%s'\n", id, val);
      55             :     }
      56           4 :     exec sql close cur;
      57           4 : 
      58           4 :     num = PGTYPESnumeric_new();
      59             : 
      60           4 :     exec sql create table nantest2 (id int4, d numeric);
      61           4 :     exec sql insert into nantest2 (id, d) values (4, 'nan'::numeric);
      62           4 : 
      63           4 :     exec sql select id, d, d into :id, :num, :val from nantest2 where id = 4;
      64           4 : 
      65           4 :     printf("%d %s '%s'\n", id, (num->sign == NUMERIC_NAN ? "NaN" : "not NaN"), val);
      66             : 
      67           4 :     exec sql insert into nantest2 (id, d) values (5, :num);
      68           4 :     exec sql insert into nantest2 (id, d) values (6, :val);
      69           4 : 
      70             :     exec sql declare cur1 cursor for select id, d, d from nantest2;
      71           4 :     exec sql open cur1;
      72          16 :     for (loopcount = 0; loopcount < 100; loopcount++)
      73             :     {
      74          16 :         exec sql fetch from cur1 into :id, :num, :val;
      75          16 :         if (sqlca.sqlcode)
      76           4 :             break;
      77          12 :         printf("%d %s '%s'\n", id, (num->sign == NUMERIC_NAN ? "NaN" : "not NaN"), val);
      78             :     }
      79           4 :     exec sql close cur1;
      80           4 : 
      81           4 :     PGTYPESnumeric_free(num);
      82             : 
      83           4 :     exec sql rollback;
      84           4 :     exec sql disconnect;
      85           4 : 
      86           4 :     return 0;
      87             : }

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