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A test case for Bug#4172 "Floating point conversion looses precision

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(prepared staements)": adding the test case to close the bug
(the bug was fixed along with other conversion incompatibilities 
in 4.1.7)
This commit is contained in:
konstantin@mysql.com 2004-11-05 00:45:41 +03:00
parent 3196273590
commit c1dc0975c6
1 changed files with 67 additions and 0 deletions
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67
tests/client_test.c
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@ -11082,12 +11082,77 @@ static void test_bug6096()
free(bind[i].buffer); free(bind[i].buffer);
mysql_stmt_close(stmt); mysql_stmt_close(stmt);
mysql_free_result(query_result); mysql_free_result(query_result);
mysql_free_result(stmt_metadata);
stmt_text= "drop table t1"; stmt_text= "drop table t1";
rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text)); rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
myquery(rc); myquery(rc);
} }
static void test_bug4172()
{
MYSQL_STMT *stmt;
MYSQL_BIND bind[3];
const char *stmt_text;
MYSQL_RES *res;
MYSQL_ROW row;
int rc;
char f[100], d[100], e[100];
long f_len, d_len, e_len;
myheader("test_bug4172");
mysql_query(mysql, "DROP TABLE IF EXISTS t1");
mysql_query(mysql, "CREATE TABLE t1 (f float, d double, e decimal(10,4))");
mysql_query(mysql, "INSERT INTO t1 VALUES (12345.1234, 123456.123456, "
"123456.1234)");
stmt= mysql_stmt_init(mysql);
stmt_text= "SELECT f, d, e FROM t1";
rc= mysql_stmt_prepare(stmt, stmt_text, strlen(stmt_text));
check_execute(stmt, rc);
rc= mysql_stmt_execute(stmt);
check_execute(stmt, rc);
bzero(bind, sizeof(bind));
bind[0].buffer_type= MYSQL_TYPE_STRING;
bind[0].buffer= f;
bind[0].buffer_length= sizeof(f);
bind[0].length= &f_len;
bind[1].buffer_type= MYSQL_TYPE_STRING;
bind[1].buffer= d;
bind[1].buffer_length= sizeof(d);
bind[1].length= &d_len;
bind[2].buffer_type= MYSQL_TYPE_STRING;
bind[2].buffer= e;
bind[2].buffer_length= sizeof(e);
bind[2].length= &e_len;
mysql_stmt_bind_result(stmt, bind);
mysql_stmt_store_result(stmt);
rc= mysql_stmt_fetch(stmt);
check_execute(stmt, rc);
rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
myquery(rc);
res= mysql_store_result(mysql);
row= mysql_fetch_row(res);
printf("Binary protocol: float=%s, double=%s, decimal(10,4)=%s\n",
f, d, e);
printf("Text protocol: float=%s, double=%s, decimal(10,4)=%s\n",
row[0], row[1], row[2]);
DIE_UNLESS(!strcmp(f, row[0]) && !strcmp(d, row[1]) && !strcmp(e, row[2]));
mysql_free_result(res);
mysql_stmt_close(stmt);
}
/* /*
Read and parse arguments and MySQL options from my.cnf Read and parse arguments and MySQL options from my.cnf
*/ */
@ -11404,6 +11469,8 @@ int main(int argc, char **argv)
test_bug6046(); /* NATURAL JOIN transformation works in PS */ test_bug6046(); /* NATURAL JOIN transformation works in PS */
test_bug6081(); /* test of mysql_create_db()/mysql_rm_db() */ test_bug6081(); /* test of mysql_create_db()/mysql_rm_db() */
test_bug6096(); /* max_length for numeric columns */ test_bug6096(); /* max_length for numeric columns */
test_bug4172(); /* floating point conversions in libmysql */
/* /*
XXX: PLEASE RUN THIS PROGRAM UNDER VALGRIND AND VERIFY THAT YOUR TEST XXX: PLEASE RUN THIS PROGRAM UNDER VALGRIND AND VERIFY THAT YOUR TEST
DOESN'T CONTAIN WARNINGS/ERRORS BEFORE YOU PUSH. DOESN'T CONTAIN WARNINGS/ERRORS BEFORE YOU PUSH.