release/src/router/mysql/unittest/my_decimal/my_decimal-t.cc

   1 /* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */
  15
  16 #include "my_config.h"
  17 #include "config.h"
  18 #include <tap.h>
  19 #include <my_global.h>
  20 #include <my_sys.h>
  21 #include <m_string.h>
  22 #include <sql_string.h>
  23 #include <my_decimal.h>
  24
  25
  26
  27 /*
  28   Test my_decimal constuctor and assignement operators
  29 */
  30 static int
  31 test_copy_and_compare()
  32 {
  33   my_decimal d1,d2;
  34
  35   ulonglong val= 42;
  36
  37   ok(ulonglong2decimal(val,&d1) == 0, "Pass");
  38   d2= d1;
  39   my_decimal d3(d1);
  40
  41   ok(my_decimal_cmp(&d1, &d2) == 0, "Pass");
  42   ok(my_decimal_cmp(&d2, &d3) == 0, "Pass");
  43   ok(my_decimal_cmp(&d3, &d1) == 0,"Pass");
  44
  45   ulonglong val1, val2, val3;
  46   ok(decimal2ulonglong(&d1, &val1) == 0, "Pass");
  47   ok(decimal2ulonglong(&d2, &val2) == 0,"Pass");
  48   ok(decimal2ulonglong(&d3, &val3) == 0,"Pass");
  49
  50   ok(val == val1,"Pass");
  51   ok(val == val2,"Pass");
  52   ok(val == val3,"Pass");
  53
  54   // The CTOR/operator=() generated by the compiler would fail here:
  55   val= 45;
  56   ok(ulonglong2decimal(val, &d1) == 0,"Pass");
  57   ok(my_decimal_cmp(&d1, &d2) == 1,"Pass");
  58   ok(my_decimal_cmp(&d1, &d3) == 1,"Pass");
  59
  60   return 0;
  61
  62 }
  63
  64 int main()
  65 {
  66   plan(13);
  67   diag("Testing my_decimal constructor and assignment operators");
  68
  69   test_copy_and_compare();
  70
  71   return exit_status();
  72 }