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https://github.com/mpusz/mp-units.git
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Mateusz Pusz
113 lines
4.3 KiB
C++
113 lines
4.3 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Mateusz Pusz
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include <catch2/catch_test_macros.hpp>
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#include <mp-units/constrained.h>
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#include <mp-units/framework.h>
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#include <mp-units/systems/isq/space_and_time.h>
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#include <mp-units/systems/si.h>
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#ifdef MP_UNITS_IMPORT_STD
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import std;
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#else
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#include <stdexcept>
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#endif
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using namespace mp_units;
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using namespace mp_units::si::unit_symbols;
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#if MP_UNITS_HOSTED
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// ============================================================================
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// check_in_range tests — out-of-bounds violations must throw.
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//
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// Using constrained<double, throw_policy> as the rep ensures that
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// constraint_violation_handler is called unconditionally (regardless of
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// MP_UNITS_API_CONTRACTS), and that handler throws std::domain_error.
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// This is the only behaviour that cannot be covered by static_assert tests.
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// ============================================================================
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namespace {
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QUANTITY_SPEC(test_angle_check, isq::angular_measure);
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inline constexpr struct check_origin final : absolute_point_origin<test_angle_check> {
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} check_origin;
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} // namespace
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template<>
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inline constexpr auto mp_units::quantity_bounds<check_origin> = mp_units::check_in_range{-90 * deg, 90 * deg};
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namespace {
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using safe_double = constrained<double, throw_policy>;
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using qp_check = quantity_point<test_angle_check[deg], check_origin, safe_double>;
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} // namespace
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TEST_CASE("check_in_range throws on construction outside bounds", "[bounded][check]")
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{
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CHECK_THROWS_AS(qp_check(91.0 * test_angle_check[deg], check_origin), std::domain_error);
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CHECK_THROWS_AS(qp_check(-91.0 * test_angle_check[deg], check_origin), std::domain_error);
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CHECK_THROWS_AS(qp_check(180.0 * test_angle_check[deg], check_origin), std::domain_error);
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CHECK_THROWS_AS(qp_check(-180.0 * test_angle_check[deg], check_origin), std::domain_error);
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}
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TEST_CASE("check_in_range does not throw within bounds", "[bounded][check]")
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{
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CHECK_NOTHROW(qp_check(0.0 * test_angle_check[deg], check_origin));
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CHECK_NOTHROW(qp_check(45.0 * test_angle_check[deg], check_origin));
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CHECK_NOTHROW(qp_check(90.0 * test_angle_check[deg], check_origin));
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CHECK_NOTHROW(qp_check(-90.0 * test_angle_check[deg], check_origin));
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}
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TEST_CASE("check_in_range throws on arithmetic that crosses bounds", "[bounded][check]")
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{
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SECTION("operator+= crosses max")
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{
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auto pt = qp_check(80.0 * test_angle_check[deg], check_origin);
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CHECK_THROWS_AS(pt += 20.0 * test_angle_check[deg], std::domain_error);
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}
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SECTION("operator-= crosses min")
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{
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auto pt = qp_check(-80.0 * test_angle_check[deg], check_origin);
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CHECK_THROWS_AS(pt -= 20.0 * test_angle_check[deg], std::domain_error);
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}
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SECTION("operator++ crosses max")
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{
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using qp_check_int = quantity_point<test_angle_check[deg], check_origin, constrained<int, throw_policy>>;
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auto pt = qp_check_int(90 * test_angle_check[deg], check_origin);
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CHECK_THROWS_AS(++pt, std::domain_error);
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}
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SECTION("operator-- crosses min")
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{
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using qp_check_int = quantity_point<test_angle_check[deg], check_origin, constrained<int, throw_policy>>;
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auto pt = qp_check_int(-90 * test_angle_check[deg], check_origin);
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CHECK_THROWS_AS(--pt, std::domain_error);
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}
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}
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#endif // MP_UNITS_HOSTED
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