diff options
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/utils/mathutils_unittest.cc | 102 |
2 files changed, 103 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index c8c80bcd6..cf6a2a8a2 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1472,6 +1472,7 @@ manaplustests_SOURCES = ${manaplus_SOURCES} \ gui/fonts/textchunklist_unittest.cc \ gui/widgets/browserbox_unittest.cc \ utils/files_unittest.cc \ + utils/mathutils_unittest.cc \ utils/stringutils_unittest.cc \ utils/xmlutils_unittest.cc \ resources/dye_unittest.cc \ diff --git a/src/utils/mathutils_unittest.cc b/src/utils/mathutils_unittest.cc new file mode 100644 index 000000000..ac3b239f2 --- /dev/null +++ b/src/utils/mathutils_unittest.cc @@ -0,0 +1,102 @@ +/* + * The ManaPlus Client + * Copyright (C) 2013 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * This program 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; either version 2 of the License, or + * any later version. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "utils/mathutils.h" + +#include "catch.hpp" + +#include "debug.h" + +TEST_CASE("MathUtils powerOfTwo") +{ + REQUIRE(powerOfTwo(0) == 1); + REQUIRE(powerOfTwo(1) == 1); + REQUIRE(powerOfTwo(2) == 2); + REQUIRE(powerOfTwo(3) == 4); + REQUIRE(powerOfTwo(4) == 4); + REQUIRE(powerOfTwo(5) == 8); + REQUIRE(powerOfTwo(6) == 8); + REQUIRE(powerOfTwo(7) == 8); + REQUIRE(powerOfTwo(8) == 8); + REQUIRE(powerOfTwo(9) == 16); + REQUIRE(powerOfTwo(10) == 16); + REQUIRE(powerOfTwo(11) == 16); + REQUIRE(powerOfTwo(12) == 16); + REQUIRE(powerOfTwo(13) == 16); + REQUIRE(powerOfTwo(14) == 16); + REQUIRE(powerOfTwo(15) == 16); + REQUIRE(powerOfTwo(16) == 16); + REQUIRE(powerOfTwo(17) == 32); + REQUIRE(powerOfTwo(18) == 32); + REQUIRE(powerOfTwo(19) == 32); + REQUIRE(powerOfTwo(20) == 32); + REQUIRE(powerOfTwo(21) == 32); + REQUIRE(powerOfTwo(22) == 32); + REQUIRE(powerOfTwo(23) == 32); + REQUIRE(powerOfTwo(24) == 32); + REQUIRE(powerOfTwo(25) == 32); + REQUIRE(powerOfTwo(26) == 32); + REQUIRE(powerOfTwo(27) == 32); + REQUIRE(powerOfTwo(28) == 32); + REQUIRE(powerOfTwo(29) == 32); + REQUIRE(powerOfTwo(30) == 32); + REQUIRE(powerOfTwo(31) == 32); + REQUIRE(powerOfTwo(32) == 32); + REQUIRE(powerOfTwo(33) == 64); + REQUIRE(powerOfTwo(34) == 64); + REQUIRE(powerOfTwo(35) == 64); + REQUIRE(powerOfTwo(36) == 64); + REQUIRE(powerOfTwo(37) == 64); + REQUIRE(powerOfTwo(38) == 64); + REQUIRE(powerOfTwo(39) == 64); + REQUIRE(powerOfTwo(41) == 64); + REQUIRE(powerOfTwo(42) == 64); + REQUIRE(powerOfTwo(43) == 64); + REQUIRE(powerOfTwo(44) == 64); + REQUIRE(powerOfTwo(45) == 64); + REQUIRE(powerOfTwo(46) == 64); + REQUIRE(powerOfTwo(47) == 64); + REQUIRE(powerOfTwo(48) == 64); + REQUIRE(powerOfTwo(49) == 64); + REQUIRE(powerOfTwo(50) == 64); + REQUIRE(powerOfTwo(51) == 64); + REQUIRE(powerOfTwo(52) == 64); + REQUIRE(powerOfTwo(53) == 64); + REQUIRE(powerOfTwo(54) == 64); + REQUIRE(powerOfTwo(55) == 64); + REQUIRE(powerOfTwo(56) == 64); + REQUIRE(powerOfTwo(57) == 64); + REQUIRE(powerOfTwo(58) == 64); + REQUIRE(powerOfTwo(59) == 64); + REQUIRE(powerOfTwo(60) == 64); + REQUIRE(powerOfTwo(61) == 64); + REQUIRE(powerOfTwo(62) == 64); + REQUIRE(powerOfTwo(63) == 64); + REQUIRE(powerOfTwo(64) == 64); + REQUIRE(powerOfTwo(65) == 128); + + REQUIRE(powerOfTwo(1000000) == 1048576); +} + +TEST_CASE("MathUtils tests fastSqrtInt") +{ + for (int f = 0; f < 1005; f ++) + REQUIRE(fastSqrtInt(f) == static_cast<int>(sqrt(f))); +} |