95 lines
5.8 KiB
C++
95 lines
5.8 KiB
C++
/* @file bpu.test.cpp */
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#include "xo/unit/bpu.hpp"
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#include "xo/indentlog/scope.hpp"
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#include <catch2/catch.hpp>
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namespace xo {
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using xo::qty::abbrev::bpu_abbrev;
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using xo::qty::abbrev::flatstring_from_exponent;
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namespace qty {
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using bpu64_type = bpu<std::int64_t>;
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/* compile-time test:
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* verify we can use a bpu64_type instance as a non-type template parameter.
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* Will need this for quantity<Repr, Int, natural_unit<Int>>
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*/
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template <bpu64_type bpu>
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constexpr bpu_abbrev_type bpu_mpl_abbrev = bpu.abbrev();
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TEST_CASE("bpu", "[bpu]") {
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static_assert(bpu_mpl_abbrev<bpu64_type::unit_power(detail::bu::gram)>
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== bpu64_type::unit_power(detail::bu::gram).abbrev());
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REQUIRE(bpu_mpl_abbrev<bpu64_type::unit_power(detail::bu::gram)>
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== bpu64_type::unit_power(detail::bu::gram).abbrev());
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} /*TEST_CASE(bpu)*/
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TEST_CASE("flatstring_from_exponent", "[flatstring_from_exponent]") {
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constexpr bool c_debug_flag = false;
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scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.flatstring_from_exponent"));
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log && log(xtag("^-3", flatstring_from_exponent(power_ratio_type(-3,1))));
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log && log(xtag("^-2", flatstring_from_exponent(power_ratio_type(-2,1))));
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log && log(xtag("^-1", flatstring_from_exponent(power_ratio_type(-1,1))));
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log && log(xtag("^-1/2", flatstring_from_exponent(power_ratio_type(-1,2))));
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log && log(xtag("^0", flatstring_from_exponent(power_ratio_type(0,1))));
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log && log(xtag("^1/2", flatstring_from_exponent(power_ratio_type(1,2))));
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log && log(xtag("^1", flatstring_from_exponent(power_ratio_type(1,1))));
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log && log(xtag("^2", flatstring_from_exponent(power_ratio_type(2,1))));
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log && log(xtag("^3", flatstring_from_exponent(power_ratio_type(3,1))));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(-3,1)))
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== flatstring<5>::from_flatstring(flatstring("^-3")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(-2,1)))
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== flatstring<5>::from_flatstring(flatstring("^-2")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(-1,1)))
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== flatstring<5>::from_flatstring(flatstring("^-1")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(-1,2)))
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== flatstring<5>::from_flatstring(flatstring("^(-1/2)")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(1,2)))
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== flatstring<5>::from_flatstring(flatstring("^(1/2)")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(1,1)))
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== flatstring<5>::from_flatstring(flatstring("")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(2,1)))
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== flatstring<5>::from_flatstring(flatstring("^2")));
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static_assert(flatstring<5>::from_flatstring(flatstring_from_exponent(power_ratio_type(3,1)))
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== flatstring<5>::from_flatstring(flatstring("^3")));
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} /*TEST_CASE(flatstring_from_exponent)*/
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TEST_CASE("bpu_abbrev", "[bpu_abbrev]") {
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constexpr bool c_debug_flag = false;
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scope log(XO_DEBUG2(c_debug_flag, "TEST_CASE.bpu2_assemble_abbrev"));
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log && log(xtag("1/(kg*kg)", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-2, 1))));
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log && log(xtag("1/kg", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-1, 1))));
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log && log(xtag("kg", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1))));
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log && log(xtag("kg*kg", bpu_abbrev(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(2, 1))));
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static_assert(bpu<int64_t>(dim::mass, scalefactor_ratio_type(1, 1), power_ratio_type(1, 1)).abbrev()
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== bpu_abbrev_type::from_chars("g"));
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static_assert(bpu<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(1, 1)).abbrev()
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== bpu_abbrev_type::from_chars("kg"));
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static_assert(bpu<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-1, 1)).abbrev()
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== bpu_abbrev_type::from_chars("kg^-1"));
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static_assert(bpu<int64_t>(dim::mass, scalefactor_ratio_type(1000, 1), power_ratio_type(-2, 1)).abbrev()
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== bpu_abbrev_type::from_chars("kg^-2"));
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static_assert(bpu<int64_t>(dim::time, scalefactor_ratio_type(60, 1), power_ratio_type(-2, 1)).abbrev()
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== bpu_abbrev_type::from_chars("min^-2"));
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static_assert(bpu<int64_t>(dim::time, scalefactor_ratio_type(3600, 1), power_ratio_type(-1, 1)).abbrev()
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== bpu_abbrev_type::from_chars("hr^-1"));
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static_assert(bpu<int64_t>(dim::time, scalefactor_ratio_type(24*3600, 1), power_ratio_type(-1, 1)).abbrev()
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== bpu_abbrev_type::from_chars("dy^-1"));
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static_assert(bpu<int64_t>(dim::time, scalefactor_ratio_type(360*24*3600, 1), power_ratio_type(-1, 1)).abbrev()
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== bpu_abbrev_type::from_chars("yr360^-1"));
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static_assert(bpu<int64_t>(dim::time, scalefactor_ratio_type(360*24*3600, 1), power_ratio_type(-1, 2)).abbrev()
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== bpu_abbrev_type::from_chars("yr360^(-1/2)"));
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} /*TEST_CASE(bpu_abbrev)*/
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} /*namespace qty*/
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} /*namespace xo*/
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/* end bpu.test.cpp */
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