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Added test for testing maximun number of parmeters in binary protocol.

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9EOR9 committed Oct 22, 2019
1 parent 66d449f commit 947357354a92cbb7c15b1e9087d085fe65f75f5e
Showing with 50 additions and 0 deletions.
  1. +50 −0 unittest/libmariadb/ps_bugs.c
@@ -5112,7 +5112,57 @@ static int test_conc424(MYSQL *mysql)
return OK;
}

static int test_maxparam(MYSQL *mysql)
{
const char *query= "INSERT INTO t1 VALUES (?)";
int rc;
char *buffer;
int i;
int val= 1;
size_t mem= strlen(query) + 1 + 4 * 65535 + 1;
MYSQL_STMT *stmt= mysql_stmt_init(mysql);
MYSQL_BIND bind[65535];

rc= mysql_query(mysql, "DROP TABLE IF EXISTS t1");
check_mysql_rc(rc, mysql);

rc= mysql_query(mysql, "CREATE TABLE t1 (a int)");
check_mysql_rc(rc, mysql);

buffer= calloc(1, mem);
strcpy(buffer, query);
for (i=0; i < 65534.; i++)
strcat(buffer, ",(?)");
rc= mysql_stmt_prepare(stmt, SL(buffer));
check_stmt_rc(rc, stmt);

memset(bind, 0, sizeof(MYSQL_BIND) * 65535);
for (i=0; i < 65534; i++)
{
bind[i].buffer_type= MYSQL_TYPE_LONG;
bind[i].buffer= &val;
}

rc= mysql_stmt_bind_param(stmt, bind);
check_stmt_rc(rc, stmt);

rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);

FAIL_IF(mysql_stmt_affected_rows(stmt) != 65535, "Expected affected_rows=65535");

strcat(buffer, ",(?)");
rc= mysql_stmt_prepare(stmt, SL(buffer));
free(buffer);
FAIL_IF(!rc, "Error expected");
FAIL_IF(mysql_stmt_errno(stmt) != ER_PS_MANY_PARAM, "Expected ER_PS_MANY_PARAM error");

mysql_stmt_close(stmt);
return OK;
}

struct my_tests_st my_tests[] = {
{"test_maxparam", test_maxparam, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc424", test_conc424, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc344", test_conc344, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc334", test_conc334, TEST_CONNECTION_NEW, 0, NULL, NULL},

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