--- /dev/null
+/*
+ __ _____ _____ _____
+ __| | __| | | | JSON for Modern C++ (test suite)
+| | |__ | | | | | | version 3.10.5
+|_____|_____|_____|_|___| https://github.com/nlohmann/json
+
+Licensed under the MIT License <http://opensource.org/licenses/MIT>.
+SPDX-License-Identifier: MIT
+Copyright (c) 2013-2022 Niels Lohmann <http://nlohmann.me>.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "doctest_compatibility.h"
+
+#include <nlohmann/json.hpp>
+using nlohmann::json;
+
+namespace
+{
+// helper function to check std::less<json::value_t>
+// see https://en.cppreference.com/w/cpp/utility/functional/less
+template <typename A, typename B, typename U = std::less<json::value_t>>
+bool f(A a, B b, U u = U())
+{
+ return u(a, b);
+}
+} // namespace
+
+TEST_CASE("lexicographical comparison operators")
+{
+ SECTION("types")
+ {
+ std::vector<json::value_t> j_types =
+ {
+ json::value_t::null,
+ json::value_t::boolean,
+ json::value_t::number_integer,
+ json::value_t::number_unsigned,
+ json::value_t::number_float,
+ json::value_t::object,
+ json::value_t::array,
+ json::value_t::string,
+ json::value_t::binary
+ };
+
+ SECTION("comparison: less")
+ {
+ std::vector<std::vector<bool>> expected =
+ {
+ {false, true, true, true, true, true, true, true, true},
+ {false, false, true, true, true, true, true, true, true},
+ {false, false, false, false, false, true, true, true, true},
+ {false, false, false, false, false, true, true, true, true},
+ {false, false, false, false, false, true, true, true, true},
+ {false, false, false, false, false, false, true, true, true},
+ {false, false, false, false, false, false, false, true, true},
+ {false, false, false, false, false, false, false, false, true},
+ {false, false, false, false, false, false, false, false, false}
+ };
+
+ for (size_t i = 0; i < j_types.size(); ++i)
+ {
+ for (size_t j = 0; j < j_types.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ // check precomputed values
+ CHECK(operator<(j_types[i], j_types[j]) == expected[i][j]);
+ CHECK(f(j_types[i], j_types[j]) == expected[i][j]);
+ }
+ }
+ }
+ }
+
+ SECTION("values")
+ {
+ json j_values =
+ {
+ nullptr, nullptr,
+ -17, 42,
+ 8u, 13u,
+ 3.14159, 23.42,
+ "foo", "bar",
+ true, false,
+ {1, 2, 3}, {"one", "two", "three"},
+ {{"first", 1}, {"second", 2}}, {{"a", "A"}, {"b", {"B"}}},
+ json::binary({1, 2, 3}), json::binary({1, 2, 4})
+ };
+
+ SECTION("comparison: equal")
+ {
+ std::vector<std::vector<bool>> expected =
+ {
+ {true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
+ {true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
+ {false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
+ {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
+ {false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false},
+ {false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false},
+ {false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
+ {false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false},
+ {false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false},
+ {false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
+ {false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false},
+ {false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false},
+ {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true}
+ };
+
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ for (size_t j = 0; j < j_values.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ CAPTURE(j_values[i])
+ CAPTURE(j_values[j])
+ // check precomputed values
+ CHECK( (j_values[i] == j_values[j]) == expected[i][j] );
+ }
+ }
+
+ // comparison with discarded elements
+ json j_discarded(json::value_t::discarded);
+ for (const auto& v : j_values)
+ {
+ CHECK( (v == j_discarded) == false);
+ CHECK( (j_discarded == v) == false);
+ CHECK( (j_discarded == j_discarded) == false);
+ }
+
+ // compare with null pointer
+ json j_null;
+ CHECK(j_null == nullptr);
+ CHECK(nullptr == j_null);
+ }
+
+ SECTION("comparison: not equal")
+ {
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ for (size_t j = 0; j < j_values.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ // check definition
+ CHECK( (j_values[i] != j_values[j]) == !(j_values[i] == j_values[j]) );
+ }
+ }
+
+ // compare with null pointer
+ json j_null;
+ CHECK( (j_null != nullptr) == false);
+ CHECK( (nullptr != j_null) == false);
+ CHECK( (j_null != nullptr) == !(j_null == nullptr));
+ CHECK( (nullptr != j_null) == !(nullptr == j_null));
+ }
+
+ SECTION("comparison: less")
+ {
+ std::vector<std::vector<bool>> expected =
+ {
+ {false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true},
+ {false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true},
+ {false, false, false, true, true, true, true, true, true, true, false, false, true, true, true, true, true, true},
+ {false, false, false, false, false, false, false, false, true, true, false, false, true, true, true, true, true, true},
+ {false, false, false, true, false, true, false, true, true, true, false, false, true, true, true, true, true, true},
+ {false, false, false, true, false, false, false, true, true, true, false, false, true, true, true, true, true, true},
+ {false, false, false, true, true, true, false, true, true, true, false, false, true, true, true, true, true, true},
+ {false, false, false, true, false, false, false, false, true, true, false, false, true, true, true, true, true, true},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, true},
+ {false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, true},
+ {false, false, true, true, true, true, true, true, true, true, false, false, true, true, true, true, true, true},
+ {false, false, true, true, true, true, true, true, true, true, true, false, true, true, true, true, true, true},
+ {false, false, false, false, false, false, false, false, true, true, false, false, false, true, false, false, true, true},
+ {false, false, false, false, false, false, false, false, true, true, false, false, false, false, false, false, true, true},
+ {false, false, false, false, false, false, false, false, true, true, false, false, true, true, false, false, true, true},
+ {false, false, false, false, false, false, false, false, true, true, false, false, true, true, true, false, true, true},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true},
+ {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false}
+ };
+
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ for (size_t j = 0; j < j_values.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ CAPTURE(j_values[i])
+ CAPTURE(j_values[j])
+ // check precomputed values
+ CHECK( (j_values[i] < j_values[j]) == expected[i][j] );
+ }
+ }
+
+ // comparison with discarded elements
+ json j_discarded(json::value_t::discarded);
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ CAPTURE(i)
+ CHECK( (j_values[i] < j_discarded) == false);
+ CHECK( (j_discarded < j_values[i]) == false);
+ CHECK( (j_discarded < j_discarded) == false);
+ }
+ }
+
+ SECTION("comparison: less than or equal equal")
+ {
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ for (size_t j = 0; j < j_values.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ // check definition
+ CHECK( (j_values[i] <= j_values[j]) == !(j_values[j] < j_values[i]) );
+ }
+ }
+ }
+
+ SECTION("comparison: greater than")
+ {
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ for (size_t j = 0; j < j_values.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ // check definition
+ CHECK( (j_values[i] > j_values[j]) == (j_values[j] < j_values[i]) );
+ }
+ }
+ }
+
+ SECTION("comparison: greater than or equal")
+ {
+ for (size_t i = 0; i < j_values.size(); ++i)
+ {
+ for (size_t j = 0; j < j_values.size(); ++j)
+ {
+ CAPTURE(i)
+ CAPTURE(j)
+ // check definition
+ CHECK( (j_values[i] >= j_values[j]) == !(j_values[i] < j_values[j]) );
+ }
+ }
+ }
+ }
+}
projects / ceph.git / blobdiff