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split test suite in one file per test case
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Niels
246
test/src/unit-comparison.cpp
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246
test/src/unit-comparison.cpp
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/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 2.0.2
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|_____|_____|_____|_|___| https://github.com/nlohmann/json
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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Copyright (c) 2013-2016 Niels Lohmann <http://nlohmann.me>.
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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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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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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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*/
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#include "catch.hpp"
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#include "json.hpp"
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using nlohmann::json;
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TEST_CASE("lexicographical comparison operators")
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{
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SECTION("types")
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{
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std::vector<json::value_t> j_types =
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{
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json::value_t::null,
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json::value_t::boolean,
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json::value_t::number_integer,
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json::value_t::number_unsigned,
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json::value_t::number_float,
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json::value_t::object,
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json::value_t::array,
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json::value_t::string
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};
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SECTION("comparison: less")
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{
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std::vector<std::vector<bool>> expected =
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{
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{false, true, true, true, true, true, true, true},
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{false, false, true, true, true, true, true, true},
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{false, false, false, false, false, true, true, true},
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{false, false, false, false, false, true, true, true},
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{false, false, false, false, false, true, true, true},
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{false, false, false, false, false, false, true, true},
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{false, false, false, false, false, false, false, true},
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{false, false, false, false, false, false, false, false}
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};
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for (size_t i = 0; i < j_types.size(); ++i)
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{
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for (size_t j = 0; j < j_types.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check precomputed values
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CHECK(operator<(j_types[i], j_types[j]) == expected[i][j]);
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}
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}
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}
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}
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SECTION("values")
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{
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json j_values =
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{
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nullptr, nullptr,
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17, 42,
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8u, 13u,
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3.14159, 23.42,
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"foo", "bar",
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true, false,
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{1, 2, 3}, {"one", "two", "three"},
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{{"first", 1}, {"second", 2}}, {{"a", "A"}, {"b", {"B"}}}
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};
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SECTION("comparison: equal")
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{
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std::vector<std::vector<bool>> expected =
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{
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{true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true}
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};
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check precomputed values
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CHECK( (j_values[i] == j_values[j]) == expected[i][j] );
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}
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}
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// comparison with discarded elements
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json j_discarded(json::value_t::discarded);
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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CHECK( (j_values[i] == j_discarded) == false);
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CHECK( (j_discarded == j_values[i]) == false);
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CHECK( (j_discarded == j_discarded) == false);
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}
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// compare with null pointer
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json j_null;
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CHECK(j_null == nullptr);
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CHECK(nullptr == j_null);
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}
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SECTION("comparison: not equal")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check definition
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CHECK( (j_values[i] != j_values[j]) == not(j_values[i] == j_values[j]) );
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}
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}
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// compare with null pointer
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json j_null;
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CHECK( (j_null != nullptr) == false);
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CHECK( (nullptr != j_null) == false);
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CHECK( (j_null != nullptr) == not(j_null == nullptr));
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CHECK( (nullptr != j_null) == not(nullptr == j_null));
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}
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SECTION("comparison: less")
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{
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std::vector<std::vector<bool>> expected =
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{
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{false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, true},
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{false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, true},
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{false, false, false, true, false, false, false, true, true, true, false, false, true, true, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, true, true, true, true},
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{false, false, true, true, false, true, false, true, true, true, false, false, true, true, true, true},
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{false, false, true, true, false, false, false, true, true, true, false, false, true, true, true, true},
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{false, false, true, true, true, true, false, true, true, true, false, false, true, true, true, true},
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{false, false, false, true, false, false, false, false, true, true, false, false, true, true, true, true},
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{false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false},
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{false, false, true, true, true, true, true, true, true, true, false, false, true, true, true, true},
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{false, false, true, true, true, true, true, true, true, true, true, false, true, true, true, true},
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{false, false, false, false, false, false, false, false, true, true, false, false, false, true, false, false},
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{false, false, false, false, false, false, false, false, true, true, false, false, false, false, false, false},
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{false, false, false, false, false, false, false, false, true, true, false, false, true, true, false, false},
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{false, false, false, false, false, false, false, false, true, true, false, false, true, true, true, false}
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};
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check precomputed values
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CHECK( (j_values[i] < j_values[j]) == expected[i][j] );
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}
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}
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// comparison with discarded elements
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json j_discarded(json::value_t::discarded);
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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CAPTURE(i);
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CHECK( (j_values[i] < j_discarded) == false);
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CHECK( (j_discarded < j_values[i]) == false);
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CHECK( (j_discarded < j_discarded) == false);
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}
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}
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SECTION("comparison: less than or equal equal")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check definition
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CHECK( (j_values[i] <= j_values[j]) == not(j_values[j] < j_values[i]) );
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}
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}
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}
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SECTION("comparison: greater than")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check definition
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CHECK( (j_values[i] > j_values[j]) == (j_values[j] < j_values[i]) );
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}
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}
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}
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SECTION("comparison: greater than or equal")
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{
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for (size_t i = 0; i < j_values.size(); ++i)
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{
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for (size_t j = 0; j < j_values.size(); ++j)
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{
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CAPTURE(i);
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CAPTURE(j);
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// check definition
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CHECK( (j_values[i] >= j_values[j]) == not(j_values[i] < j_values[j]) );
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}
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}
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}
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}
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}
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