Files
@ r27487:4d1c2a7bde00
Branch filter:
Location: cpp/openttd-patchpack/source/src/tests/math_func.cpp - annotation
r27487:4d1c2a7bde00
4.0 KiB
text/x-c
Codechange: remove queue_wrap / last_position from mouse movement
No backend uses it anymore, so also no longer any need to support
it.
No backend uses it anymore, so also no longer any need to support
it.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27188:363fdf67b081 r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27103:bc9d171a796b r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 r27270:41821f730164 | /*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file math_func.cpp Test functionality from core/math_func. */
#include "../stdafx.h"
#include "../3rdparty/catch2/catch.hpp"
#include "../core/math_func.hpp"
TEST_CASE("LeastCommonMultipleTest - Zero")
{
CHECK(0 == LeastCommonMultiple(0, 0));
CHECK(0 == LeastCommonMultiple(0, 600));
CHECK(0 == LeastCommonMultiple(600, 0));
}
TEST_CASE("LeastCommonMultipleTest - FindLCM")
{
CHECK(25 == LeastCommonMultiple(5, 25));
CHECK(25 == LeastCommonMultiple(25, 5));
CHECK(130 == LeastCommonMultiple(5, 26));
CHECK(130 == LeastCommonMultiple(26, 5));
}
TEST_CASE("GreatestCommonDivisorTest - Negative")
{
CHECK(4 == GreatestCommonDivisor(4, -52));
// CHECK(3 == GreatestCommonDivisor(-27, 6)); // error - returns -3
}
TEST_CASE("GreatestCommonDivisorTest - Zero")
{
CHECK(27 == GreatestCommonDivisor(0, 27));
CHECK(27 == GreatestCommonDivisor(27, 0));
}
TEST_CASE("GreatestCommonDivisorTest - FindGCD")
{
CHECK(5 == GreatestCommonDivisor(5, 25));
CHECK(5 == GreatestCommonDivisor(25, 5));
CHECK(1 == GreatestCommonDivisor(7, 27));
CHECK(1 == GreatestCommonDivisor(27, 7));
}
TEST_CASE("DivideApproxTest - Negative")
{
CHECK(-2 == DivideApprox(-5, 2));
CHECK(2 == DivideApprox(-5, -2));
CHECK(-1 == DivideApprox(-66, 80));
}
TEST_CASE("DivideApproxTest, Divide")
{
CHECK(2 == DivideApprox(5, 2));
CHECK(3 == DivideApprox(80, 30));
CHECK(3 == DivideApprox(8, 3));
CHECK(0 == DivideApprox(3, 8));
}
TEST_CASE("IntSqrtTest - Zero")
{
CHECK(0 == IntSqrt(0));
}
TEST_CASE("IntSqrtTest - FindSqRt")
{
CHECK(5 == IntSqrt(25));
CHECK(10 == IntSqrt(100));
CHECK(9 == IntSqrt(88));
CHECK(1696 == IntSqrt(2876278));
}
TEST_CASE("ClampTo")
{
CHECK(0 == ClampTo<uint8_t>(std::numeric_limits<int64_t>::lowest()));
CHECK(0 == ClampTo<uint8_t>(-1));
CHECK(0 == ClampTo<uint8_t>(0));
CHECK(1 == ClampTo<uint8_t>(1));
CHECK(255 == ClampTo<uint8_t>(std::numeric_limits<uint64_t>::max()));
CHECK(255 == ClampTo<uint8_t>(256));
CHECK(255 == ClampTo<uint8_t>(255));
CHECK(254 == ClampTo<uint8_t>(254));
CHECK(-128 == ClampTo<int8_t>(std::numeric_limits<int64_t>::lowest()));
CHECK(-128 == ClampTo<int8_t>(-129));
CHECK(-128 == ClampTo<int8_t>(-128));
CHECK(-127 == ClampTo<int8_t>(-127));
CHECK(127 == ClampTo<int8_t>(std::numeric_limits<uint64_t>::max()));
CHECK(127 == ClampTo<int8_t>(128));
CHECK(127 == ClampTo<int8_t>(127));
CHECK(126 == ClampTo<int8_t>(126));
CHECK(126 == ClampTo<int64_t>(static_cast<uint8>(126)));
CHECK(126 == ClampTo<uint64_t>(static_cast<int8>(126)));
CHECK(0 == ClampTo<uint64_t>(static_cast<int8>(-126)));
CHECK(0 == ClampTo<uint8_t>(static_cast<int8>(-126)));
/* The realm around 64 bits types is tricky as there is not one type/method that works for all. */
/* lowest/max uint64_t does not get clamped when clamping to uint64_t. */
CHECK(std::numeric_limits<uint64_t>::lowest() == ClampTo<uint64_t>(std::numeric_limits<uint64_t>::lowest()));
CHECK(std::numeric_limits<uint64_t>::max() == ClampTo<uint64_t>(std::numeric_limits<uint64_t>::max()));
/* negative int64_t get clamped to 0. */
CHECK(0 == ClampTo<uint64_t>(std::numeric_limits<int64_t>::lowest()));
CHECK(0 == ClampTo<uint64_t>(int64_t(-1)));
/* positive int64_t remain the same. */
CHECK(1 == ClampTo<uint64_t>(int64_t(1)));
CHECK(static_cast<uint64_t>(std::numeric_limits<int64_t>::max()) == ClampTo<uint64_t>(std::numeric_limits<int64_t>::max()));
/* max uint64_t gets clamped to max int64_t. */
CHECK(std::numeric_limits<int64_t>::max() == ClampTo<int64_t>(std::numeric_limits<uint64_t>::max()));
}
|