GCC Code Coverage Report
Directory: src/ Exec Total Coverage
File: src/unittests/utils/mathutils.cc Lines: 72 72 100.0 %
Date: 2017-11-29 Branches: 274 814 33.7 %

Line Branch Exec Source
1
/*
2
 *  The ManaPlus Client
3
 *  Copyright (C) 2013-2017  The ManaPlus Developers
4
 *
5
 *  This file is part of The ManaPlus Client.
6
 *
7
 *  This program is free software; you can redistribute it and/or modify
8
 *  it under the terms of the GNU General Public License as published by
9
 *  the Free Software Foundation; either version 2 of the License, or
10
 *  any later version.
11
 *
12
 *  This program is distributed in the hope that it will be useful,
13
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
 *  GNU 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 <http://www.gnu.org/licenses/>.
19
 */
20
21
#include "unittests/unittests.h"
22
23
#include "utils/mathutils.h"
24
25
#include "debug.h"
26
27
6
TEST_CASE("MathUtils powerOfTwo", "")
28
{
29



8
    REQUIRE(powerOfTwo(0) == 1);
30



8
    REQUIRE(powerOfTwo(1) == 1);
31



8
    REQUIRE(powerOfTwo(2) == 2);
32



8
    REQUIRE(powerOfTwo(3) == 4);
33



8
    REQUIRE(powerOfTwo(4) == 4);
34



8
    REQUIRE(powerOfTwo(5) == 8);
35



8
    REQUIRE(powerOfTwo(6) == 8);
36



8
    REQUIRE(powerOfTwo(7) == 8);
37



8
    REQUIRE(powerOfTwo(8) == 8);
38



8
    REQUIRE(powerOfTwo(9) == 16);
39



8
    REQUIRE(powerOfTwo(10) == 16);
40



8
    REQUIRE(powerOfTwo(11) == 16);
41



8
    REQUIRE(powerOfTwo(12) == 16);
42



8
    REQUIRE(powerOfTwo(13) == 16);
43



8
    REQUIRE(powerOfTwo(14) == 16);
44



8
    REQUIRE(powerOfTwo(15) == 16);
45



8
    REQUIRE(powerOfTwo(16) == 16);
46



8
    REQUIRE(powerOfTwo(17) == 32);
47



8
    REQUIRE(powerOfTwo(18) == 32);
48



8
    REQUIRE(powerOfTwo(19) == 32);
49



8
    REQUIRE(powerOfTwo(20) == 32);
50



8
    REQUIRE(powerOfTwo(21) == 32);
51



8
    REQUIRE(powerOfTwo(22) == 32);
52



8
    REQUIRE(powerOfTwo(23) == 32);
53



8
    REQUIRE(powerOfTwo(24) == 32);
54



8
    REQUIRE(powerOfTwo(25) == 32);
55



8
    REQUIRE(powerOfTwo(26) == 32);
56



8
    REQUIRE(powerOfTwo(27) == 32);
57



8
    REQUIRE(powerOfTwo(28) == 32);
58



8
    REQUIRE(powerOfTwo(29) == 32);
59



8
    REQUIRE(powerOfTwo(30) == 32);
60



8
    REQUIRE(powerOfTwo(31) == 32);
61



8
    REQUIRE(powerOfTwo(32) == 32);
62



8
    REQUIRE(powerOfTwo(33) == 64);
63



8
    REQUIRE(powerOfTwo(34) == 64);
64



8
    REQUIRE(powerOfTwo(35) == 64);
65



8
    REQUIRE(powerOfTwo(36) == 64);
66



8
    REQUIRE(powerOfTwo(37) == 64);
67



8
    REQUIRE(powerOfTwo(38) == 64);
68



8
    REQUIRE(powerOfTwo(39) == 64);
69



8
    REQUIRE(powerOfTwo(41) == 64);
70



8
    REQUIRE(powerOfTwo(42) == 64);
71



8
    REQUIRE(powerOfTwo(43) == 64);
72



8
    REQUIRE(powerOfTwo(44) == 64);
73



8
    REQUIRE(powerOfTwo(45) == 64);
74



8
    REQUIRE(powerOfTwo(46) == 64);
75



8
    REQUIRE(powerOfTwo(47) == 64);
76



8
    REQUIRE(powerOfTwo(48) == 64);
77



8
    REQUIRE(powerOfTwo(49) == 64);
78



8
    REQUIRE(powerOfTwo(50) == 64);
79



8
    REQUIRE(powerOfTwo(51) == 64);
80



8
    REQUIRE(powerOfTwo(52) == 64);
81



8
    REQUIRE(powerOfTwo(53) == 64);
82



8
    REQUIRE(powerOfTwo(54) == 64);
83



8
    REQUIRE(powerOfTwo(55) == 64);
84



8
    REQUIRE(powerOfTwo(56) == 64);
85



8
    REQUIRE(powerOfTwo(57) == 64);
86



8
    REQUIRE(powerOfTwo(58) == 64);
87



8
    REQUIRE(powerOfTwo(59) == 64);
88



8
    REQUIRE(powerOfTwo(60) == 64);
89



8
    REQUIRE(powerOfTwo(61) == 64);
90



8
    REQUIRE(powerOfTwo(62) == 64);
91



8
    REQUIRE(powerOfTwo(63) == 64);
92



8
    REQUIRE(powerOfTwo(64) == 64);
93



8
    REQUIRE(powerOfTwo(65) == 128);
94
95



8
    REQUIRE(powerOfTwo(1000000) == 1048576);
96
2
}
97
98
6
TEST_CASE("MathUtils tests fastSqrtInt", "")
99
{
100
2012
    for (int f = 0; f < 1005; f ++)
101



10050
        REQUIRE(fastSqrtInt(f) == CAST_S32(sqrt(f)));
102

8
}