diff options
| -rw-r--r-- | indra/llcommon/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | indra/llcommon/llunit.h | 40 | ||||
| -rw-r--r-- | indra/llcommon/tests/llunit_test.cpp | 156 |
3 files changed, 177 insertions, 20 deletions
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt index 0f5ded86ed..e1f2eb44fd 100644 --- a/indra/llcommon/CMakeLists.txt +++ b/indra/llcommon/CMakeLists.txt @@ -342,6 +342,7 @@ if (LL_TESTS) LL_ADD_INTEGRATION_TEST(llstring "" "${test_libs}") LL_ADD_INTEGRATION_TEST(lltreeiterators "" "${test_libs}") LL_ADD_INTEGRATION_TEST(lluri "" "${test_libs}") + LL_ADD_INTEGRATION_TEST(llunit "" "${test_libs}") LL_ADD_INTEGRATION_TEST(reflection "" "${test_libs}") LL_ADD_INTEGRATION_TEST(stringize "" "${test_libs}") LL_ADD_INTEGRATION_TEST(lleventdispatcher "" "${test_libs}") diff --git a/indra/llcommon/llunit.h b/indra/llcommon/llunit.h index e57974c429..1f3ed0237c 100644 --- a/indra/llcommon/llunit.h +++ b/indra/llcommon/llunit.h @@ -334,7 +334,7 @@ struct HighestPrecisionType<LLUnit<UNIT_TYPE, STORAGE_TYPE> > typedef typename HighestPrecisionType<STORAGE_TYPE>::type_t type_t; }; -#define LL_DECLARE_DERIVED_UNIT(base_unit_name, unit_name, conversion_factor) \ +#define LL_DECLARE_DERIVED_UNIT(conversion_factor, base_unit_name, unit_name) \ struct unit_name \ { \ typedef base_unit_name base_unit_t; \ @@ -358,30 +358,30 @@ struct ConversionFactor<base_unit_name, unit_name, STORAGE_TYPE> \ } struct Bytes { typedef Bytes base_unit_t; }; -LL_DECLARE_DERIVED_UNIT(Bytes, Kilobytes, 1024); -LL_DECLARE_DERIVED_UNIT(Bytes, Megabytes, 1024 * 1024); -LL_DECLARE_DERIVED_UNIT(Bytes, Gigabytes, 1024 * 1024 * 1024); -LL_DECLARE_DERIVED_UNIT(Bytes, Bits, (1.0 / 8.0)); -LL_DECLARE_DERIVED_UNIT(Bytes, Kilobits, (1024 / 8)); -LL_DECLARE_DERIVED_UNIT(Bytes, Megabits, (1024 / 8)); -LL_DECLARE_DERIVED_UNIT(Bytes, Gigabits, (1024 * 1024 * 1024 / 8)); +LL_DECLARE_DERIVED_UNIT(1024, Bytes, Kilobytes); +LL_DECLARE_DERIVED_UNIT(1024 * 1024, Bytes, Megabytes); +LL_DECLARE_DERIVED_UNIT(1024 * 1024 * 1024, Bytes, Gigabytes); +LL_DECLARE_DERIVED_UNIT((1.0 / 8.0), Bytes, Bits); +LL_DECLARE_DERIVED_UNIT((1024 / 8), Bytes, Kilobits); +LL_DECLARE_DERIVED_UNIT((1024 / 8), Bytes, Megabits); +LL_DECLARE_DERIVED_UNIT((1024 * 1024 * 1024 / 8), Bytes, Gigabits); struct Seconds { typedef Seconds base_unit_t; }; -LL_DECLARE_DERIVED_UNIT(Seconds, Minutes, 60); -LL_DECLARE_DERIVED_UNIT(Seconds, Hours, 60 * 60); -LL_DECLARE_DERIVED_UNIT(Seconds, Milliseconds, (1.0 / 1000.0)); -LL_DECLARE_DERIVED_UNIT(Seconds, Microseconds, (1.0 / (1000000.0))); -LL_DECLARE_DERIVED_UNIT(Seconds, Nanoseconds, (1.0 / (1000000000.0))); +LL_DECLARE_DERIVED_UNIT(60, Seconds, Minutes); +LL_DECLARE_DERIVED_UNIT(60 * 60, Seconds, Hours); +LL_DECLARE_DERIVED_UNIT((1.0 / 1000.0), Seconds, Milliseconds); +LL_DECLARE_DERIVED_UNIT((1.0 / (1000000.0)), Seconds, Microseconds); +LL_DECLARE_DERIVED_UNIT((1.0 / (1000000000.0)), Seconds, Nanoseconds); struct Meters { typedef Meters base_unit_t; }; -LL_DECLARE_DERIVED_UNIT(Meters, Kilometers, 1000); -LL_DECLARE_DERIVED_UNIT(Meters, Centimeters, (1.0 / 100.0)); -LL_DECLARE_DERIVED_UNIT(Meters, Millimeters, (1.0 / 1000.0)); +LL_DECLARE_DERIVED_UNIT(1000, Meters, Kilometers); +LL_DECLARE_DERIVED_UNIT((1.0 / 100.0), Meters, Centimeters); +LL_DECLARE_DERIVED_UNIT((1.0 / 1000.0), Meters, Millimeters); struct Hertz { typedef Hertz base_unit_t; }; -LL_DECLARE_DERIVED_UNIT(Hertz, Kilohertz, 1000); -LL_DECLARE_DERIVED_UNIT(Hertz, Megahertz, 1000 * 1000); -LL_DECLARE_DERIVED_UNIT(Hertz, Gigahertz, 1000 * 1000 * 1000); -} +LL_DECLARE_DERIVED_UNIT(1000, Hertz, Kilohertz); +LL_DECLARE_DERIVED_UNIT(1000 * 1000, Hertz, Megahertz); +LL_DECLARE_DERIVED_UNIT(1000 * 1000 * 1000, Hertz, Gigahertz); +} // namespace LLUnits #endif // LL_LLUNIT_H diff --git a/indra/llcommon/tests/llunit_test.cpp b/indra/llcommon/tests/llunit_test.cpp new file mode 100644 index 0000000000..a7e9c00740 --- /dev/null +++ b/indra/llcommon/tests/llunit_test.cpp @@ -0,0 +1,156 @@ +/** + * @file llsingleton_test.cpp + * @date 2011-08-11 + * @brief Unit test for the LLSingleton class + * + * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "linden_common.h" + +#include "llunit.h" +#include "../test/lltut.h" + +namespace LLUnits +{ + // using powers of 2 to allow strict floating point equality + struct Quatloos { typedef Quatloos base_unit_t; }; + LL_DECLARE_DERIVED_UNIT(4, Quatloos, Latinum); + LL_DECLARE_DERIVED_UNIT((1.0 / 4.0), Quatloos, Solari); +} + +namespace tut +{ + using namespace LLUnits; + struct units + { + }; + + typedef test_group<units> units_t; + typedef units_t::object units_object_t; + tut::units_t tut_singleton("LLUnit"); + + // storage type conversions + template<> template<> + void units_object_t::test<1>() + { + LLUnit<Quatloos, F32> float_quatloos; + ensure(float_quatloos.value() == 0.f); + + LLUnit<Quatloos, S32> int_quatloos; + ensure(int_quatloos.value() == 0); + + int_quatloos = 42; + ensure(int_quatloos.value() == 42); + float_quatloos = int_quatloos; + ensure(float_quatloos.value() == 42.f); + + int_quatloos = float_quatloos; + ensure(int_quatloos.value() == 42); + + float_quatloos = 42.1f; + ensure(float_quatloos == 42.1f); + int_quatloos = float_quatloos; + ensure(int_quatloos.value() == 42); + LLUnit<Quatloos, U32> unsigned_int_quatloos(float_quatloos); + ensure(unsigned_int_quatloos.value() == 42); + } + + // conversions to/from base unit + template<> template<> + void units_object_t::test<2>() + { + LLUnit<Quatloos, F32> quatloos(1.f); + ensure(quatloos.value() == 1.f); + LLUnit<Latinum, F32> latinum_bars(quatloos); + ensure(latinum_bars.value() == 1.f / 4.f); + + latinum_bars = 256; + quatloos = latinum_bars; + ensure(quatloos.value() == 1024); + + LLUnit<Solari, F32> solari(quatloos); + ensure(solari.value() == 4096); + } + + // conversions across non-base units + template<> template<> + void units_object_t::test<3>() + { + LLUnit<Solari, F32> solari = 4.f; + LLUnit<Latinum, F32> latinum_bars = solari; + ensure(latinum_bars.value() == 0.25f); + } + + // math operations + template<> template<> + void units_object_t::test<4>() + { + LLUnit<Quatloos, F32> quatloos = 1.f; + quatloos *= 4.f; + ensure(quatloos.value() == 4); + quatloos = quatloos * 2; + ensure(quatloos.value() == 8); + quatloos = 2.f * quatloos; + ensure(quatloos.value() == 16); + + quatloos += 4.f; + ensure(quatloos.value() == 20); + quatloos += 4; + ensure(quatloos.value() == 24); + quatloos = quatloos + 4; + ensure(quatloos.value() == 28); + quatloos = 4 + quatloos; + ensure(quatloos.value() == 32); + quatloos += quatloos * 3; + ensure(quatloos.value() == 128); + + quatloos -= quatloos / 4 * 3; + ensure(quatloos.value() == 32); + quatloos = quatloos - 8; + ensure(quatloos.value() == 24); + quatloos -= 4; + ensure(quatloos.value() == 20); + quatloos -= 4.f; + ensure(quatloos.value() == 16); + + quatloos *= 2.f; + ensure(quatloos.value() == 32); + quatloos = quatloos * 2.f; + ensure(quatloos.value() == 64); + quatloos = 0.5f * quatloos; + ensure(quatloos.value() == 32); + + quatloos /= 2.f; + ensure(quatloos.value() == 16); + quatloos = quatloos / 4; + ensure(quatloos.value() == 4); + + F32 ratio = quatloos / LLUnit<Quatloos, F32>(4.f); + ensure(ratio == 1); + + quatloos += LLUnit<Solari, F32>(4.f); + ensure(quatloos.value() == 5); + quatloos -= LLUnit<Latinum, F32>(1.f); + ensure(quatloos.value() == 1); + } +} |