1 /* sane - Scanner Access Now Easy.
2
3 Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
4
5 This file is part of the SANE package.
6
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20
21 #define DEBUG_DECLARE_ONLY
22
23 #include "tests.h"
24 #include "tests_printers.h"
25 #include "minigtest.h"
26
27 #include "../../../backend/genesys/utilities.h"
28
29 namespace genesys {
30
test_utilities_compute_array_percentile_approx_empty()31 void test_utilities_compute_array_percentile_approx_empty()
32 {
33 std::vector<std::uint16_t> data;
34 data.resize(1, 0);
35
36 ASSERT_RAISES(compute_array_percentile_approx(data.data(), data.data(), 0, 0, 0.0f),
37 SaneException);
38 }
39
test_utilities_compute_array_percentile_approx_single_line()40 void test_utilities_compute_array_percentile_approx_single_line()
41 {
42 std::vector<std::uint16_t> data = {
43 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
44 };
45 std::vector<std::uint16_t> expected = data;
46 std::vector<std::uint16_t> result;
47 result.resize(data.size(), 0);
48
49 compute_array_percentile_approx(result.data(), data.data(), 1, data.size(), 0.5f);
50 ASSERT_EQ(result, expected);
51 }
52
test_utilities_compute_array_percentile_approx_multiple_lines()53 void test_utilities_compute_array_percentile_approx_multiple_lines()
54 {
55 std::vector<std::uint16_t> data = {
56 5, 17, 4, 14, 3, 9, 9, 5, 10, 1,
57 6, 1, 0, 18, 8, 5, 11, 11, 15, 12,
58 6, 8, 7, 3, 2, 15, 5, 12, 3, 3,
59 6, 12, 17, 6, 7, 7, 1, 6, 3, 18,
60 10, 5, 8, 0, 14, 3, 3, 7, 10, 5,
61 18, 7, 3, 11, 0, 14, 12, 19, 18, 11,
62 5, 16, 2, 9, 8, 2, 7, 6, 11, 18,
63 16, 5, 2, 2, 14, 18, 19, 13, 16, 1,
64 5, 9, 14, 6, 17, 16, 1, 1, 16, 0,
65 19, 18, 4, 12, 0, 7, 15, 3, 2, 6,
66 };
67 std::vector<std::uint16_t> result;
68 result.resize(10, 0);
69
70 std::vector<std::uint16_t> expected = {
71 5, 1, 0, 0, 0, 2, 1, 1, 2, 0,
72 };
73 compute_array_percentile_approx(result.data(), data.data(), 10, 10, 0.0f);
74 ASSERT_EQ(result, expected);
75
76 expected = {
77 5, 5, 2, 3, 2, 5, 3, 5, 3, 1,
78 };
79 compute_array_percentile_approx(result.data(), data.data(), 10, 10, 0.25f);
80 ASSERT_EQ(result, expected);
81
82 expected = {
83 6, 9, 4, 9, 8, 9, 9, 7, 11, 6,
84 };
85 compute_array_percentile_approx(result.data(), data.data(), 10, 10, 0.5f);
86 ASSERT_EQ(result, expected);
87
88 expected = {
89 16, 16, 8, 12, 14, 15, 12, 12, 16, 12,
90 };
91 compute_array_percentile_approx(result.data(), data.data(), 10, 10, 0.75f);
92 ASSERT_EQ(result, expected);
93
94 expected = {
95 19, 18, 17, 18, 17, 18, 19, 19, 18, 18,
96 };
97 compute_array_percentile_approx(result.data(), data.data(), 10, 10, 1.0f);
98 ASSERT_EQ(result, expected);
99 }
100
test_utilities()101 void test_utilities()
102 {
103 test_utilities_compute_array_percentile_approx_empty();
104 test_utilities_compute_array_percentile_approx_single_line();
105 test_utilities_compute_array_percentile_approx_multiple_lines();
106 }
107
108 } // namespace genesys
109