1/*
2 * Copyright © 2021 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include <gtest/gtest.h>
25
26#include "util/u_qsort.h"
27
28constexpr int CONTEXT_CHECK = 12345;
29
30static int
31cmp_func(const void *a, const void *b, void *ctx)
32{
33   int check = *reinterpret_cast<const int*>(ctx);
34   EXPECT_EQ(check, CONTEXT_CHECK);
35
36   int elem1 = *reinterpret_cast<const int*>(a);
37   int elem2 = *reinterpret_cast<const int*>(b);
38   return elem1 - elem2;
39}
40
41TEST(u_qsort_test, qsort_test)
42{
43   int data[] = { 3, 6, 4, 9, 10, 2, 5, 7, 8, 1 };
44   int ctx = CONTEXT_CHECK;
45
46   util_qsort_r(data, GTEST_ARRAY_SIZE_(data),
47                sizeof(data[0]), cmp_func,
48                reinterpret_cast<void *>(&ctx));
49
50   for (size_t i = 0; i < GTEST_ARRAY_SIZE_(data); ++i) {
51      EXPECT_EQ(data[i], i + 1);
52   }
53}
54