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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 02110-1335 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;
}
static int
test_decimal2string()
{
decimal_t d1;
decimal_digit_t buffer[DECIMAL_BUFF_LENGTH+2];
char *str_end;
const char strnum[]= "0.1234567890123456789012345678901234567890123467";
char strbuff[50];
int len= 40;
int i;
bzero(strbuff, sizeof(strbuff));
str_end= (char *)(strnum + (sizeof(strnum) - 1));
d1.len= DECIMAL_BUFF_LENGTH + 2;
d1.buf= buffer;
string2decimal(strnum, &d1, &str_end);
decimal2string(&d1, strbuff, &len, 0, 0, 'X');
/* last digit is not checked due to possible rounding */
for (i= 0; i < 38 && strbuff[i] == strnum[i]; i++);
ok(i == 38, "Number");
for (i= 39; i < 50 && strbuff[i] == 0; i++);
ok(i == 50, "No overrun");
return 0;
}
int main()
{
plan(15);
diag("Testing my_decimal constructor and assignment operators");
test_copy_and_compare();
test_decimal2string();
return exit_status();
}
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