93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/json
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//
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// Test that header file is self-contained.
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#include <boost/json/visit.hpp>
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#include "test_suite.hpp"
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BOOST_JSON_NS_BEGIN
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class visit_test
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{
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public:
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template<class T>
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void
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check_const(kind k, T t)
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{
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struct f
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{
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kind k;
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bool operator()(std::nullptr_t) { return k == kind::null; }
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bool operator()(bool) { return k == kind::bool_; }
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bool operator()(std::int64_t) { return k == kind::int64; }
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bool operator()(std::uint64_t) { return k == kind::uint64; }
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bool operator()(double) { return k == kind::double_; }
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bool operator()(string const&) { return k == kind::string; }
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bool operator()(array const&) { return k == kind::array; }
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bool operator()(object const&) { return k == kind::object; }
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bool operator()(...) { return false; }
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};
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value const v(t);
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BOOST_TEST(visit(f{k}, v));
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}
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template<class T>
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void
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check_mutable(kind k, T t)
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{
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struct f
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{
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kind k;
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bool operator()(std::nullptr_t) { return k == kind::null; }
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bool operator()(bool&) { return k == kind::bool_; }
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bool operator()(std::int64_t&) { return k == kind::int64; }
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bool operator()(std::uint64_t&) { return k == kind::uint64; }
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bool operator()(double&) { return k == kind::double_; }
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bool operator()(string&) { return k == kind::string; }
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bool operator()(array&) { return k == kind::array; }
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bool operator()(object&) { return k == kind::object; }
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bool operator()(...) { return false; }
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};
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value v(t);
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BOOST_TEST(visit(f{k}, v));
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}
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void
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testVisit()
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{
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check_const(kind::null, nullptr);
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check_const(kind::bool_, true);
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check_const(kind::int64, -1);
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check_const(kind::uint64, 1U);
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check_const(kind::double_, 3.14);
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check_const(kind::string, string_kind);
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check_const(kind::array, array_kind);
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check_const(kind::object, object_kind);
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check_mutable(kind::null, nullptr);
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check_mutable(kind::bool_, true);
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check_mutable(kind::int64, -1);
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check_mutable(kind::uint64, 1U);
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check_mutable(kind::double_, 3.14);
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check_mutable(kind::string, string_kind);
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check_mutable(kind::array, array_kind);
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check_mutable(kind::object, object_kind);
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}
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void run()
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{
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testVisit();
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}
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};
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TEST_SUITE(visit_test, "boost.json.visit");
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BOOST_JSON_NS_END
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