mariadb/unittest/my_decimal/my_decimal-t.cc
Chaithra Gopalareddy 0c903fb5c9 Bug#11766191:INVALID MEMORY READ IN DO_DIV_MOD WITH DOUBLY ASSIGNED VARIABLES
Bug#12608543: CRASHES WITH DECIMALS AND STATEMENT NEEDS TO BE REPREPARED ERRORS

Backporting these two fixes to 5.1 
Added unittest to test my_decimal construtor and assignment operators

sql/my_decimal.h:
  Added constructor and assignment operators for my_decimal
unittest/my_decimal/my_decimal-t.cc:
  Added test to check constructor and assignment operators for my_decimal
2013-05-22 14:36:43 +05:30

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1.9 KiB
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/* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "my_config.h"
#include "config.h"
#include <tap.h>
#include <my_global.h>
#include <my_sys.h>
#include <m_string.h>
#include <sql_string.h>
#include <my_decimal.h>
/*
Test my_decimal constuctor and assignement operators
*/
static int
test_copy_and_compare()
{
my_decimal d1,d2;
ulonglong val= 42;
ok(ulonglong2decimal(val,&d1) == 0, "Pass");
d2= d1;
my_decimal d3(d1);
ok(my_decimal_cmp(&d1, &d2) == 0, "Pass");
ok(my_decimal_cmp(&d2, &d3) == 0, "Pass");
ok(my_decimal_cmp(&d3, &d1) == 0,"Pass");
ulonglong val1, val2, val3;
ok(decimal2ulonglong(&d1, &val1) == 0, "Pass");
ok(decimal2ulonglong(&d2, &val2) == 0,"Pass");
ok(decimal2ulonglong(&d3, &val3) == 0,"Pass");
ok(val == val1,"Pass");
ok(val == val2,"Pass");
ok(val == val3,"Pass");
// The CTOR/operator=() generated by the compiler would fail here:
val= 45;
ok(ulonglong2decimal(val, &d1) == 0,"Pass");
ok(my_decimal_cmp(&d1, &d2) == 1,"Pass");
ok(my_decimal_cmp(&d1, &d3) == 1,"Pass");
return 0;
}
int main()
{
plan(13);
diag("Testing my_decimal constructor and assignment operators");
test_copy_and_compare();
return exit_status();
}