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894 lines
24 KiB
C++
894 lines
24 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/vinniefalco/BeastLounge
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//
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// Test that header file is self-contained.
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#include <boost/json/parser.hpp>
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#include <boost/json/pool.hpp>
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#include <boost/json/serializer.hpp>
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#include <sstream>
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#include <iostream>
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#include "parse-vectors.hpp"
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#include "test.hpp"
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#include "test_suite.hpp"
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namespace boost {
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namespace json {
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class parser_test
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{
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public:
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::test_suite::log_type log;
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static
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value
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from_string_test(
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string_view s,
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storage_ptr sp = {})
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{
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parser p;
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error_code ec;
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p.start(std::move(sp));
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p.finish(s.data(), s.size(), ec);
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BOOST_TEST(! ec);
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return p.release();
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}
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void
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static
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check_round_trip(value const& jv1)
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{
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auto const s2 =
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//to_string_test(jv1); // use this if serializer is broken
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to_string(jv1);
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auto jv2 =
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from_string_test(s2);
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BOOST_TEST(equal(jv1, jv2));
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}
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template<class F>
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void
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static
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grind_one(
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string_view s,
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storage_ptr sp,
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F const& f)
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{
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auto const jv =
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from_string_test(s, sp);
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f(jv);
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}
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static
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void
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grind_one(string_view s)
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{
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auto const jv =
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from_string_test(s);
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check_round_trip(jv);
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}
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template<class F>
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static
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void
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grind(string_view s, F const& f)
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{
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try
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{
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grind_one(s, {}, f);
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fail_loop([&](storage_ptr const& sp)
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{
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grind_one(s, sp, f);
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});
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if(s.size() > 1)
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{
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// Destroy the parser at every
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// split point to check leaks.
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for(std::size_t i = 1;
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i < s.size(); ++i)
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{
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scoped_storage<
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fail_storage> ss;
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ss->fail_max = 0;
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parser p;
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error_code ec;
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p.start(ss);
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p.write(s.data(), i, ec);
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if(BOOST_TEST(! ec))
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p.finish(
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s.data() + i,
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s.size() - i, ec);
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if(BOOST_TEST(! ec))
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f(p.release());
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}
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}
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}
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catch(std::exception const&)
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{
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BOOST_TEST_FAIL();
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}
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}
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static
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void
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grind(string_view s)
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{
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grind(s,
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[&s](value const& jv)
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{
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check_round_trip(jv);
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});
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}
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static
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void
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grind_int64(string_view s, int64_t v)
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{
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grind(s,
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[v](value const& jv)
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{
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if(! BOOST_TEST(jv.is_int64()))
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return;
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BOOST_TEST(jv.get_int64() == v);
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});
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}
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static
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void
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grind_uint64(string_view s, uint64_t v)
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{
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grind(s,
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[v](value const& jv)
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{
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if(! BOOST_TEST(jv.is_uint64()))
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return;
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BOOST_TEST(jv.get_uint64() == v);
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});
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}
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static
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void
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grind_double(string_view s, double v)
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{
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grind(s,
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[v](value const& jv)
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{
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if(! BOOST_TEST(jv.is_double()))
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return;
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BOOST_TEST(jv.get_double() == v);
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});
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}
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//------------------------------------------------------
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void
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testNull()
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{
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grind("null");
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grind(" null");
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grind(" null");
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grind("null\n");
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grind("null\n\n");
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grind("\r null\t ");
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}
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void
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testBool()
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{
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grind("true");
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grind(" true");
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grind(" true");
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grind("true\n");
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grind("true\n\n");
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grind("\r true\t ");
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grind("false");
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grind(" false");
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grind(" false");
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grind("false\n");
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grind("false\n\n");
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grind("\r false\t ");
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}
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//------------------------------------------------------
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void
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testString()
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{
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grind("\"\"");
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grind("\"x\"");
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grind(" \"x\"");
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grind(" \"x\"");
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grind("\"x\"\n");
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grind("\"x\"\n\n");
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grind("\r \"x\"\t ");
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grind("\"abcdefghij\"");
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grind("\""
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"\"");
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grind("\""
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"
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"\"");
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// escapes
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grind("\"\\\"\"");
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grind("\"\\\\\"");
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grind("\"\\/\"");
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grind("\"\\b\"");
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grind("\"\\f\"");
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grind("\"\\n\"");
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grind("\"\\r\"");
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grind("\"\\t\"");
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// unicode
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grind("\"\\u0000\"");
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grind("\"\\ud7fF\"");
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grind("\"\\ue000\"");
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grind("\"\\ufFfF\"");
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grind("\"\\ud800\\udc00\"");
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grind("\"\\udbff\\udffF\"");
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// big string
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{
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std::string const big(4000, '*');
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{
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std::string js;
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js = "\"" + big + "\"";
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auto const N = js.size() / 2;
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error_code ec;
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parser p;
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p.start();
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p.write(js.data(), N, ec);
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if(BOOST_TEST(! ec))
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{
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p.finish(js.data() + N,
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js.size() - N, ec);
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if(BOOST_TEST(! ec))
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check_round_trip(
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p.release());
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}
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}
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}
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}
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//------------------------------------------------------
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struct f_boost
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{
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static
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string_view
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name() noexcept
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{
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return "boost";
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}
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double
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operator()(string_view s) const
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{
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BOOST_TEST_CHECKPOINT();
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error_code ec;
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parser p;
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p.start();
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p.finish(s.data(), s.size(), ec);
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if(! BOOST_TEST(! ec))
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return 0;
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auto const jv = p.release();
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double const d = jv.as_double();
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grind_double(s, d);
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return d;
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}
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};
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bool
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within_1ulp(double x, double y)
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{
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std::uint64_t bx, by;
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std::memcpy(&bx, &x, sizeof(x));
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std::memcpy(&by, &y, sizeof(y));
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auto diff = bx - by;
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switch (diff)
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{
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case 0:
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case 1:
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case 0xffffffffffffffff:
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return true;
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default:
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break;
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}
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return false;
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}
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// Verify that f converts to the
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// same double produced by `strtod`.
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// Requires `s` is not represented by an integral type.
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template<class F>
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void
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fc(std::string const& s, F const& f)
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{
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char* str_end;
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double const need =
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std::strtod(s.c_str(), &str_end);
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// BOOST_TEST(str_end == &s.back() + 1);
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double const got = f(s);
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auto same = got == need;
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auto close = same ?
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true : within_1ulp(got, need);
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if( !BOOST_TEST(close) )
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{
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std::cerr << "Failure on '" << s << "': " << got << " != " << need << "\n";
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}
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}
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void
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fc(std::string const& s)
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{
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fc(s, f_boost{});
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fc(s + std::string( 64, ' ' ), f_boost{});
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}
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void
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testNumber()
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{
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grind("0");
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grind(" 0");
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grind(" 0");
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grind("0\n");
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grind("0\n\n");
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grind("\r 0\t ");
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grind_int64( "-9223372036854775808", INT64_MIN);
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grind_int64( "-9223372036854775807", -9223372036854775807);
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grind_int64( "-999999999999999999", -999999999999999999);
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grind_int64( "-99999999999999999", -99999999999999999);
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grind_int64( "-9999999999999999", -9999999999999999);
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grind_int64( "-999999999999999", -999999999999999);
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grind_int64( "-99999999999999", -99999999999999);
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grind_int64( "-9999999999999", -9999999999999);
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grind_int64( "-999999999999", -999999999999);
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grind_int64( "-99999999999", -99999999999);
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grind_int64( "-9999999999", -9999999999);
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grind_int64( "-999999999", -999999999);
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grind_int64( "-99999999", -99999999);
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grind_int64( "-9999999", -9999999);
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grind_int64( "-999999", -999999);
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grind_int64( "-99999", -99999);
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grind_int64( "-9999", -9999);
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grind_int64( "-999", -999);
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grind_int64( "-99", -99);
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grind_int64( "-9", -9);
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grind_int64( "-0", 0);
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grind_int64( "0", 0);
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grind_int64( "1", 1);
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grind_int64( "9", 9);
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grind_int64( "99", 99);
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grind_int64( "999", 999);
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grind_int64( "9999", 9999);
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grind_int64( "99999", 99999);
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grind_int64( "999999", 999999);
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grind_int64( "9999999", 9999999);
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grind_int64( "99999999", 99999999);
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grind_int64( "999999999", 999999999);
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grind_int64( "9999999999", 9999999999);
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grind_int64( "99999999999", 99999999999);
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grind_int64( "999999999999", 999999999999);
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grind_int64( "9999999999999", 9999999999999);
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grind_int64( "99999999999999", 99999999999999);
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grind_int64( "999999999999999", 999999999999999);
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grind_int64( "9999999999999999", 9999999999999999);
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grind_int64( "99999999999999999", 99999999999999999);
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grind_int64( "999999999999999999", 999999999999999999);
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grind_int64( "9223372036854775807", INT64_MAX);
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grind_uint64( "9223372036854775808", 9223372036854775808ULL);
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grind_uint64( "9999999999999999999", 9999999999999999999ULL);
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grind_uint64( "18446744073709551615", UINT64_MAX);
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grind_double("-1.010", -1.01);
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grind_double("-0.010", -0.01);
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grind_double("-0.0", -0.0);
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grind_double("-0e0", -0.0);
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grind_double( "18446744073709551616", 1.8446744073709552e+19);
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grind_double("-18446744073709551616", -1.8446744073709552e+19);
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grind_double( "18446744073709551616.0", 1.8446744073709552e+19);
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grind_double( "18446744073709551616.00009", 1.8446744073709552e+19);
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grind_double( "1844674407370955161600000", 1.8446744073709552e+24);
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grind_double("-1844674407370955161600000", -1.8446744073709552e+24);
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grind_double( "1844674407370955161600000.0", 1.8446744073709552e+24);
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grind_double( "1844674407370955161600000.00009", 1.8446744073709552e+24);
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grind_double( "1.0", 1.0);
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grind_double( "1.1", 1.1);
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grind_double( "1.11", 1.11);
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grind_double( "1.11111", 1.11111);
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grind_double( "11.1111", 11.1111);
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grind_double( "111.111", 111.111);
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fc("-999999999999999999999");
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fc("-100000000000000000009");
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fc("-10000000000000000000");
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fc("-9223372036854775809");
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fc("18446744073709551616");
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fc("99999999999999999999");
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fc("999999999999999999999");
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fc("1000000000000000000000");
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fc("9999999999999999999999");
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fc("99999999999999999999999");
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fc("-0.9999999999999999999999");
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fc("-0.9999999999999999");
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fc("-0.9007199254740991");
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fc("-0.999999999999999");
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fc("-0.99999999999999");
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fc("-0.9999999999999");
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fc("-0.999999999999");
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fc("-0.99999999999");
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fc("-0.9999999999");
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fc("-0.999999999");
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fc("-0.99999999");
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fc("-0.9999999");
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fc("-0.999999");
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fc("-0.99999");
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fc("-0.9999");
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fc("-0.8125");
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fc("-0.999");
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fc("-0.99");
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fc("-1.0");
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fc("-0.9");
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fc("-0.0");
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fc("0.0");
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fc("0.9");
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fc("0.99");
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fc("0.999");
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fc("0.8125");
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fc("0.9999");
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fc("0.99999");
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fc("0.999999");
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fc("0.9999999");
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fc("0.99999999");
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fc("0.999999999");
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fc("0.9999999999");
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fc("0.99999999999");
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fc("0.999999999999");
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fc("0.9999999999999");
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fc("0.99999999999999");
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fc("0.999999999999999");
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fc("0.9007199254740991");
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fc("0.9999999999999999");
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fc("0.9999999999999999999999");
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fc("0.999999999999999999999999999");
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fc("-1e308");
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fc("-1e-308");
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fc("-9999e300");
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fc("-999e100");
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fc("-99e10");
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fc("-9e1");
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fc("9e1");
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fc("99e10");
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fc("999e100");
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fc("9999e300");
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fc("999999999999999999.0");
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fc("999999999999999999999.0");
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fc("999999999999999999999e5");
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fc("999999999999999999999.0e5");
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fc("0.00000000000000001");
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fc("-1e-1");
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fc("-1e0");
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fc("-1e1");
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fc("0e0");
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fc("1e0");
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fc("1e10");
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fc("0."
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"00000000000000000000000000000000000000000000000000" // 50 zeroes
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"1e50");
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fc("-0."
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"00000000000000000000000000000000000000000000000000" // 50 zeroes
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"1e50");
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fc("0."
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000" // 500 zeroes
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"1e600");
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fc("-0."
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000" // 500 zeroes
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"1e600");
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fc("0e"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
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"00000000000000000000000000000000000000000000000000"
|
|
"00000000000000000000000000000000000000000000000000"
|
|
"00000000000000000000000000000000000000000000000000" // 500 zeroes
|
|
);
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
void
|
|
testArray()
|
|
{
|
|
grind("[]");
|
|
grind(" []");
|
|
grind("[] ");
|
|
grind(" [] ");
|
|
grind(" [ ] ");
|
|
grind("[1]");
|
|
grind("[ 1]");
|
|
grind("[1 ]");
|
|
grind("[ 1 ]");
|
|
grind("[1,2]");
|
|
grind("[ 1,2]");
|
|
grind("[1 ,2]");
|
|
grind("[1, 2]");
|
|
grind("[1,2 ]");
|
|
grind("[ 1 ,2]");
|
|
grind("[1 , 2]");
|
|
grind("[1, 2 ]");
|
|
|
|
grind("[[]]");
|
|
grind("[[],[]]");
|
|
grind("[[],[],[]]");
|
|
grind("[[[]],[[],[]],[[],[],[]]]");
|
|
#if 0
|
|
grind("[{},[],\"x\",1,-1,1.0,true,null]");
|
|
#endif
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
void
|
|
testObject()
|
|
{
|
|
grind("{}");
|
|
grind(" {}");
|
|
grind("{} ");
|
|
grind(" {} ");
|
|
grind(" { } ");
|
|
grind("{\"1\":1}");
|
|
grind("{ \"1\":1}");
|
|
grind("{\"1\" :1}");
|
|
grind("{\"1\": 1}");
|
|
grind("{\"1\":1 }");
|
|
grind("{ \"1\" :1 }");
|
|
grind("{\"1\" : 1 }");
|
|
grind("{\"1\":1,\"2\":2}");
|
|
grind("{\"1\":1, \"2\":2}");
|
|
grind("{\"1\":1, \"2\" : 2 }");
|
|
|
|
grind("{\"\":[]}");
|
|
grind("{\"1\":[],\"2\":[]}");
|
|
|
|
#if 0
|
|
grind(
|
|
"{\"1\":{\"2\":{}},\"3\":{\"4\":{},\"5\":{}},"
|
|
"\"6\":{\"7\":{},\"8\":{},\"9\":{}}}");
|
|
|
|
grind(
|
|
"{\"1\":{},\"2\":[],\"3\":\"x\",\"4\":1,"
|
|
"\"5\":-1,\"6\":1.0,\"7\":false,\"8\":null}");
|
|
#endif
|
|
|
|
// big keys
|
|
{
|
|
std::string const big(4000, '*');
|
|
{
|
|
std::string js;
|
|
js = "{\"" + big + "\":null}";
|
|
grind(js);
|
|
}
|
|
|
|
{
|
|
std::string js;
|
|
js = "{\"x\":\"" + big + "\"}";
|
|
grind(js);
|
|
}
|
|
|
|
{
|
|
std::string js;
|
|
js = "{\"" + big + "\":\"" + big + "\"}";
|
|
grind(js);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
testMembers()
|
|
{
|
|
// reserve
|
|
{
|
|
parser p;
|
|
p.reserve(1024);
|
|
}
|
|
|
|
// need start error
|
|
{
|
|
parser p;
|
|
error_code ec;
|
|
p.write("", 0, ec);
|
|
BOOST_TEST(
|
|
ec == error::need_start);
|
|
}
|
|
|
|
// destroy after start
|
|
{
|
|
parser p;
|
|
p.start();
|
|
}
|
|
|
|
// release before done
|
|
{
|
|
parser p;
|
|
BOOST_TEST_THROWS(
|
|
p.release(),
|
|
std::logic_error);
|
|
}
|
|
|
|
// reserve
|
|
{
|
|
parser p;
|
|
p.reserve(16384);
|
|
p.reserve(100);
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
void
|
|
testFreeFunctions()
|
|
{
|
|
string_view const js =
|
|
"{\"1\":{},\"2\":[],\"3\":\"x\",\"4\":1,"
|
|
"\"5\":-1,\"6\":1.0,\"7\":false,\"8\":null}";
|
|
|
|
// parse(string_view, error_code)
|
|
{
|
|
{
|
|
error_code ec;
|
|
auto jv = parse(js, ec);
|
|
BOOST_TEST(! ec);
|
|
check_round_trip(jv);
|
|
}
|
|
{
|
|
error_code ec;
|
|
auto jv = parse("xxx", ec);
|
|
BOOST_TEST(ec);
|
|
BOOST_TEST(jv.is_null());
|
|
}
|
|
}
|
|
|
|
// parse(string_view, storage_ptr, error_code)
|
|
{
|
|
{
|
|
error_code ec;
|
|
scoped_storage<pool> sp;
|
|
auto jv = parse(js, ec, sp);
|
|
BOOST_TEST(! ec);
|
|
check_round_trip(jv);
|
|
}
|
|
|
|
{
|
|
error_code ec;
|
|
scoped_storage<pool> sp;
|
|
auto jv = parse("xxx", ec, sp);
|
|
BOOST_TEST(ec);
|
|
BOOST_TEST(jv.is_null());
|
|
}
|
|
}
|
|
|
|
// parse(string_view)
|
|
{
|
|
{
|
|
check_round_trip(
|
|
parse(js));
|
|
}
|
|
|
|
{
|
|
value jv;
|
|
BOOST_TEST_THROWS(
|
|
jv = parse("{,"),
|
|
system_error);
|
|
}
|
|
}
|
|
|
|
// parse(string_view, storage_ptr)
|
|
{
|
|
{
|
|
scoped_storage<pool> sp;
|
|
check_round_trip(parse(js, sp));
|
|
}
|
|
|
|
{
|
|
scoped_storage<pool> sp;
|
|
value jv;
|
|
BOOST_TEST_THROWS(
|
|
jv = parse("xxx", sp),
|
|
system_error);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
testSampleJson()
|
|
{
|
|
string_view in =
|
|
R"xx({
|
|
"glossary": {
|
|
"title": "example glossary",
|
|
"GlossDiv": {
|
|
"title": "S",
|
|
"GlossList": {
|
|
"GlossEntry": {
|
|
"ID": "SGML",
|
|
"SortAs": "SGML",
|
|
"GlossTerm": "Standard Generalized Markup Language",
|
|
"Acronym": "SGML",
|
|
"Abbrev": "ISO 8879:1986",
|
|
"GlossDef": {
|
|
"para": "A meta-markup language, used to create markup languages such as DocBook.",
|
|
"GlossSeeAlso": ["GML", "XML"]
|
|
},
|
|
"GlossSee": "markup"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})xx"
|
|
;
|
|
parser p;
|
|
error_code ec;
|
|
p.start();
|
|
p.finish(in.data(), in.size(), ec);
|
|
if(BOOST_TEST(! ec))
|
|
{
|
|
BOOST_TEST(to_string(p.release()) ==
|
|
"{\"glossary\":{\"title\":\"example glossary\",\"GlossDiv\":"
|
|
"{\"title\":\"S\",\"GlossList\":{\"GlossEntry\":{\"ID\":\"SGML\","
|
|
"\"SortAs\":\"SGML\",\"GlossTerm\":\"Standard Generalized Markup "
|
|
"Language\",\"Acronym\":\"SGML\",\"Abbrev\":\"ISO 8879:1986\","
|
|
"\"GlossDef\":{\"para\":\"A meta-markup language, used to create "
|
|
"markup languages such as DocBook.\",\"GlossSeeAlso\":[\"GML\",\"XML\"]},"
|
|
"\"GlossSee\":\"markup\"}}}}}"
|
|
);
|
|
}
|
|
}
|
|
|
|
void
|
|
testUnicodeStrings()
|
|
{
|
|
// Embedded NULL correctly converted
|
|
{
|
|
auto expected = string_view("Hello\x00World", 11);
|
|
{
|
|
auto s = string_view(R"json("Hello\u0000World")json");
|
|
grind(s);
|
|
BOOST_TEST(json::parse(s).as_string() == expected);
|
|
}
|
|
{
|
|
auto s = string_view(R"json(["Hello\u0000World"])json");
|
|
grind(s);
|
|
BOOST_TEST(json::parse(s).as_array().at(0).as_string() == expected);
|
|
}
|
|
}
|
|
|
|
// surrogate pairs correctly converted to UTF-8
|
|
{
|
|
auto expected = string_view("\xF0\x9D\x84\x9E", 4);
|
|
{
|
|
auto s = string_view(R"json("\uD834\uDD1E")json");
|
|
grind(s);
|
|
BOOST_TEST(json::parse(s).as_string() == expected);
|
|
}
|
|
{
|
|
auto s = string_view(R"json(["\uD834\uDD1E"])json");
|
|
grind(s);
|
|
BOOST_TEST(json::parse(s).as_array().at(0).as_string() == expected);
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
// https://github.com/vinniefalco/json/issues/15
|
|
void
|
|
testIssue15()
|
|
{
|
|
BOOST_TEST(
|
|
json::parse("{\"port\": 12345}")
|
|
.as_object()
|
|
.at("port")
|
|
.as_int64() == 12345);
|
|
}
|
|
|
|
// https://github.com/vinniefalco/json/issues/45
|
|
void
|
|
testIssue45()
|
|
{
|
|
struct T
|
|
{
|
|
value jv;
|
|
|
|
T(value jv_)
|
|
: jv(jv_)
|
|
{
|
|
}
|
|
};
|
|
|
|
auto const jv = parse("[]");
|
|
auto const t = T{jv};
|
|
BOOST_TEST(to_string(t.jv) == "[]");
|
|
}
|
|
|
|
//------------------------------------------------------
|
|
|
|
void
|
|
run()
|
|
{
|
|
testNull();
|
|
testBool();
|
|
testString();
|
|
testNumber();
|
|
testArray();
|
|
testObject();
|
|
|
|
testMembers();
|
|
testFreeFunctions();
|
|
testSampleJson();
|
|
testUnicodeStrings();
|
|
|
|
testIssue15();
|
|
testIssue45();
|
|
}
|
|
};
|
|
|
|
TEST_SUITE(parser_test, "boost.json.parser");
|
|
|
|
} // json
|
|
} // boost
|