describecol2.c

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#include "common.h"
#include <ctype.h>
 
#include <common/test_assert.h>
 
/*
 * SQLDescribeCol test
 */
static int g_result = 0;
 
static void
do_check(int c, const char *test, int line)
{
    if (c)
        return;
 
    fprintf(stderr, "Failed check %s at line %d\n", test, line);
    g_result = 1;
}
 
#define check(s) do_check(s, #s, __LINE__)
 
int
main(int argc, char *argv[])
{
    SQLSMALLINT len, type;
    SQLTCHAR name[128];
 
    odbc_connect();
    odbc_command("create table #dc (col_name int, name2 varchar(100))");
 
    odbc_command("select * from #dc");
 
    len = 0x1234;
    CHKDescribeCol(1, NULL, 0, &len, &type, NULL, NULL, NULL, "S");
    check(len == 8);
 
    len = 0x1234;
    CHKDescribeCol(2, name, 0, &len, &type, NULL, NULL, NULL, "I");
    check(len == 5);
 
    len = 0x1234;
    CHKDescribeCol(1, NULL, 2, &len, &type, NULL, NULL, NULL, "S");
    check(len == 8);
 
    len = 0x1234;
    strcpy((char *) name, "xxx");
    CHKDescribeCol(2, name, 3, &len, &type, NULL, NULL, NULL, "I");
    check(len == 5 && strcmp(C(name), "na") == 0);
 
    len = 0x1234;
    strcpy((char *) name, "xxx");
    CHKDescribeCol(1, name, 1, &len, &type, NULL, NULL, NULL, "I");
    check(len == 8 && strcmp(C(name), "") == 0);
 
    len = 0x1234;
    strcpy((char *) name, "xxx");
    CHKDescribeCol(2, name, 6, &len, &type, NULL, NULL, NULL, "S");
    check(len == 5 && strcmp(C(name), "name2") == 0);
 
    odbc_disconnect();
 
    if (g_result == 0)
        printf("Done.\n");
    return g_result;
}