src/lib/test-bsearch-insert-pos.c

/* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */

#include "test-lib.h"
#include "bsearch-insert-pos.h"

static int cmp_uint(const unsigned int *i1, const unsigned int *i2)
{
    return (int)*i1 - (int)*i2;
}

void test_bsearch_insert_pos(void)
{
    static const unsigned int input[] = {
        1, 5, 9, 15, 16, UINT_MAX,
        1, 5, 9, 15, 16, 17, UINT_MAX,
        UINT_MAX
    };
    static const unsigned int max_key = 18;
    const unsigned int *cur;
    unsigned int key, len, i, idx;
    bool success;

    cur = input;
    for (i = 0; cur[0] != UINT_MAX; i++) {
        for (len = 0; cur[len] != UINT_MAX; len++) ;
        for (key = 0; key < max_key; key++) {
            if (bsearch_insert_pos(&key, cur, len, sizeof(*cur),
                           cmp_uint, &idx))
                success = cur[idx] == key;
            else if (idx == 0)
                success = cur[0] > key;
            else if (idx == len)
                success = cur[len-1] < key;
            else {
                success = cur[idx-1] < key &&
                    cur[idx+1] > key;
            }
            if (!success)
                break;
        }
        cur += len + 1;

        test_out(t_strdup_printf("bsearch_insert_pos(%d,%d)", i, key),
             success);
    }
}