1414 lines
70 KiB
C++
1414 lines
70 KiB
C++
/*
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__ _____ _____ _____
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__| | __| | | | JSON for Modern C++ (test suite)
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| | |__ | | | | | | version 2.1.1
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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) 2013-2017 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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#define private public
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#include "json.hpp"
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using nlohmann::json;
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#include <valarray>
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json parser_helper(const std::string& s);
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bool accept_helper(const std::string& s);
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json parser_helper(const std::string& s)
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{
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json j;
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json::parser(nlohmann::detail::input_adapter(s)).parse(true, j);
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// if this line was reached, no exception ocurred
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// -> check if result is the same without exceptions
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json j_nothrow;
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CHECK_NOTHROW(json::parser(nlohmann::detail::input_adapter(s), nullptr, false).parse(true, j_nothrow));
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CHECK(j_nothrow == j);
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return j;
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}
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bool accept_helper(const std::string& s)
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{
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// 1. parse s without exceptions
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json j;
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CHECK_NOTHROW(json::parser(nlohmann::detail::input_adapter(s), nullptr, false).parse(true, j));
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const bool ok_noexcept = not j.is_discarded();
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// 2. accept s
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const bool ok_accept = json::parser(nlohmann::detail::input_adapter(s)).accept(true);
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// 3. check if both approaches come to the same result
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CHECK(ok_noexcept == ok_accept);
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// 4. return result
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return ok_accept;
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}
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TEST_CASE("parser class")
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{
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SECTION("parse")
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{
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SECTION("null")
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{
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CHECK(parser_helper("null") == json(nullptr));
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}
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SECTION("true")
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{
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CHECK(parser_helper("true") == json(true));
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}
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SECTION("false")
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{
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CHECK(parser_helper("false") == json(false));
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}
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SECTION("array")
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{
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SECTION("empty array")
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{
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CHECK(parser_helper("[]") == json(json::value_t::array));
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CHECK(parser_helper("[ ]") == json(json::value_t::array));
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}
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SECTION("nonempty array")
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{
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CHECK(parser_helper("[true, false, null]") == json({true, false, nullptr}));
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}
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}
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SECTION("object")
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{
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SECTION("empty object")
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{
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CHECK(parser_helper("{}") == json(json::value_t::object));
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CHECK(parser_helper("{ }") == json(json::value_t::object));
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}
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SECTION("nonempty object")
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{
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CHECK(parser_helper("{\"\": true, \"one\": 1, \"two\": null}") == json({{"", true}, {"one", 1}, {"two", nullptr}}));
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}
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}
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SECTION("string")
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{
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// empty string
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CHECK(parser_helper("\"\"") == json(json::value_t::string));
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SECTION("errors")
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{
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// error: tab in string
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CHECK_THROWS_AS(parser_helper("\"\t\""), json::parse_error&);
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CHECK_THROWS_WITH(parser_helper("\"\t\""),
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"[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0009>'");
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// error: newline in string
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CHECK_THROWS_AS(parser_helper("\"\n\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\r\""), json::parse_error&);
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CHECK_THROWS_WITH(parser_helper("\"\n\""),
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"[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000A>'");
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CHECK_THROWS_WITH(parser_helper("\"\r\""),
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"[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000D>'");
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// error: backspace in string
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CHECK_THROWS_AS(parser_helper("\"\b\""), json::parse_error&);
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CHECK_THROWS_WITH(parser_helper("\"\b\""),
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"[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0008>'");
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// improve code coverage
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CHECK_THROWS_AS(parser_helper("\uFF01"), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("[-4:1,]"), json::parse_error&);
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// unescaped control characters
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CHECK_THROWS_AS(parser_helper("\"\x00\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x01\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x02\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x03\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x04\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x05\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x06\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x07\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x08\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x09\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x0a\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x0b\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x0c\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x0d\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x0e\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x0f\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x10\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x11\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x12\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x13\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x14\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x15\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x16\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x17\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x18\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x19\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x1a\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x1b\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x1c\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x1d\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x1e\""), json::parse_error&);
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CHECK_THROWS_AS(parser_helper("\"\x1f\""), json::parse_error&);
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CHECK_THROWS_WITH(parser_helper("\"\x00\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: missing closing quote; last read: '\"'");
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CHECK_THROWS_WITH(parser_helper("\"\x01\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0001>'");
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CHECK_THROWS_WITH(parser_helper("\"\x02\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0002>'");
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CHECK_THROWS_WITH(parser_helper("\"\x03\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0003>'");
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CHECK_THROWS_WITH(parser_helper("\"\x04\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0004>'");
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CHECK_THROWS_WITH(parser_helper("\"\x05\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0005>'");
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CHECK_THROWS_WITH(parser_helper("\"\x06\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0006>'");
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CHECK_THROWS_WITH(parser_helper("\"\x07\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0007>'");
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CHECK_THROWS_WITH(parser_helper("\"\x08\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0008>'");
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CHECK_THROWS_WITH(parser_helper("\"\x09\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0009>'");
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CHECK_THROWS_WITH(parser_helper("\"\x0a\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000A>'");
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CHECK_THROWS_WITH(parser_helper("\"\x0b\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000B>'");
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CHECK_THROWS_WITH(parser_helper("\"\x0c\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000C>'");
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CHECK_THROWS_WITH(parser_helper("\"\x0d\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000D>'");
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CHECK_THROWS_WITH(parser_helper("\"\x0e\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000E>'");
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CHECK_THROWS_WITH(parser_helper("\"\x0f\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+000F>'");
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CHECK_THROWS_WITH(parser_helper("\"\x10\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0010>'");
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CHECK_THROWS_WITH(parser_helper("\"\x11\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0011>'");
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CHECK_THROWS_WITH(parser_helper("\"\x12\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0012>'");
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CHECK_THROWS_WITH(parser_helper("\"\x13\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0013>'");
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CHECK_THROWS_WITH(parser_helper("\"\x14\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0014>'");
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CHECK_THROWS_WITH(parser_helper("\"\x15\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0015>'");
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CHECK_THROWS_WITH(parser_helper("\"\x16\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0016>'");
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CHECK_THROWS_WITH(parser_helper("\"\x17\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0017>'");
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CHECK_THROWS_WITH(parser_helper("\"\x18\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0018>'");
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CHECK_THROWS_WITH(parser_helper("\"\x19\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+0019>'");
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CHECK_THROWS_WITH(parser_helper("\"\x1a\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+001A>'");
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CHECK_THROWS_WITH(parser_helper("\"\x1b\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+001B>'");
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CHECK_THROWS_WITH(parser_helper("\"\x1c\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+001C>'");
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CHECK_THROWS_WITH(parser_helper("\"\x1d\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+001D>'");
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CHECK_THROWS_WITH(parser_helper("\"\x1e\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+001E>'");
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CHECK_THROWS_WITH(parser_helper("\"\x1f\""), "[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: control character must be escaped; last read: '\"<U+001F>'");
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}
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SECTION("escaped")
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{
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// quotation mark "\""
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auto r1 = R"("\"")"_json;
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CHECK(parser_helper("\"\\\"\"") == r1);
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// reverse solidus "\\"
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auto r2 = R"("\\")"_json;
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CHECK(parser_helper("\"\\\\\"") == r2);
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// solidus
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CHECK(parser_helper("\"\\/\"") == R"("/")"_json);
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// backspace
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CHECK(parser_helper("\"\\b\"") == json("\b"));
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// formfeed
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CHECK(parser_helper("\"\\f\"") == json("\f"));
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// newline
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CHECK(parser_helper("\"\\n\"") == json("\n"));
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// carriage return
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CHECK(parser_helper("\"\\r\"") == json("\r"));
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// horizontal tab
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CHECK(parser_helper("\"\\t\"") == json("\t"));
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CHECK(parser_helper("\"\\u0001\"").get<json::string_t>() == "\x01");
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CHECK(parser_helper("\"\\u000a\"").get<json::string_t>() == "\n");
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CHECK(parser_helper("\"\\u00b0\"").get<json::string_t>() == "°");
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CHECK(parser_helper("\"\\u0c00\"").get<json::string_t>() == "ఀ");
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CHECK(parser_helper("\"\\ud000\"").get<json::string_t>() == "퀀");
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CHECK(parser_helper("\"\\u000E\"").get<json::string_t>() == "\x0E");
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CHECK(parser_helper("\"\\u00F0\"").get<json::string_t>() == "ð");
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CHECK(parser_helper("\"\\u0100\"").get<json::string_t>() == "Ā");
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CHECK(parser_helper("\"\\u2000\"").get<json::string_t>() == " ");
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CHECK(parser_helper("\"\\uFFFF\"").get<json::string_t>() == "");
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CHECK(parser_helper("\"\\u20AC\"").get<json::string_t>() == "€");
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CHECK(parser_helper("\"€\"").get<json::string_t>() == "€");
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CHECK(parser_helper("\"🎈\"").get<json::string_t>() == "🎈");
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CHECK(parser_helper("\"\\ud80c\\udc60\"").get<json::string_t>() == u8"\U00013060");
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CHECK(parser_helper("\"\\ud83c\\udf1e\"").get<json::string_t>() == "🌞");
|
||
}
|
||
}
|
||
|
||
SECTION("number")
|
||
{
|
||
SECTION("integers")
|
||
{
|
||
SECTION("without exponent")
|
||
{
|
||
CHECK(parser_helper("-128") == json(-128));
|
||
CHECK(parser_helper("-0") == json(-0));
|
||
CHECK(parser_helper("0") == json(0));
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CHECK(parser_helper("128") == json(128));
|
||
}
|
||
|
||
SECTION("with exponent")
|
||
{
|
||
CHECK(parser_helper("0e1") == json(0e1));
|
||
CHECK(parser_helper("0E1") == json(0e1));
|
||
|
||
CHECK(parser_helper("10000E-4") == json(10000e-4));
|
||
CHECK(parser_helper("10000E-3") == json(10000e-3));
|
||
CHECK(parser_helper("10000E-2") == json(10000e-2));
|
||
CHECK(parser_helper("10000E-1") == json(10000e-1));
|
||
CHECK(parser_helper("10000E0") == json(10000e0));
|
||
CHECK(parser_helper("10000E1") == json(10000e1));
|
||
CHECK(parser_helper("10000E2") == json(10000e2));
|
||
CHECK(parser_helper("10000E3") == json(10000e3));
|
||
CHECK(parser_helper("10000E4") == json(10000e4));
|
||
|
||
CHECK(parser_helper("10000e-4") == json(10000e-4));
|
||
CHECK(parser_helper("10000e-3") == json(10000e-3));
|
||
CHECK(parser_helper("10000e-2") == json(10000e-2));
|
||
CHECK(parser_helper("10000e-1") == json(10000e-1));
|
||
CHECK(parser_helper("10000e0") == json(10000e0));
|
||
CHECK(parser_helper("10000e1") == json(10000e1));
|
||
CHECK(parser_helper("10000e2") == json(10000e2));
|
||
CHECK(parser_helper("10000e3") == json(10000e3));
|
||
CHECK(parser_helper("10000e4") == json(10000e4));
|
||
|
||
CHECK(parser_helper("-0e1") == json(-0e1));
|
||
CHECK(parser_helper("-0E1") == json(-0e1));
|
||
CHECK(parser_helper("-0E123") == json(-0e123));
|
||
}
|
||
|
||
SECTION("edge cases")
|
||
{
|
||
// From RFC7159, Section 6:
|
||
// Note that when such software is used, numbers that are
|
||
// integers and are in the range [-(2**53)+1, (2**53)-1]
|
||
// are interoperable in the sense that implementations will
|
||
// agree exactly on their numeric values.
|
||
|
||
// -(2**53)+1
|
||
CHECK(parser_helper("-9007199254740991").get<int64_t>() == -9007199254740991);
|
||
// (2**53)-1
|
||
CHECK(parser_helper("9007199254740991").get<int64_t>() == 9007199254740991);
|
||
}
|
||
|
||
SECTION("over the edge cases") // issue #178 - Integer conversion to unsigned (incorrect handling of 64 bit integers)
|
||
{
|
||
// While RFC7159, Section 6 specifies a preference for support
|
||
// for ranges in range of IEEE 754-2008 binary64 (double precision)
|
||
// this does not accommodate 64 bit integers without loss of accuracy.
|
||
// As 64 bit integers are now widely used in software, it is desirable
|
||
// to expand support to to the full 64 bit (signed and unsigned) range
|
||
// i.e. -(2**63) -> (2**64)-1.
|
||
|
||
// -(2**63) ** Note: compilers see negative literals as negated positive numbers (hence the -1))
|
||
CHECK(parser_helper("-9223372036854775808").get<int64_t>() == -9223372036854775807 - 1);
|
||
// (2**63)-1
|
||
CHECK(parser_helper("9223372036854775807").get<int64_t>() == 9223372036854775807);
|
||
// (2**64)-1
|
||
CHECK(parser_helper("18446744073709551615").get<uint64_t>() == 18446744073709551615u);
|
||
}
|
||
}
|
||
|
||
SECTION("floating-point")
|
||
{
|
||
SECTION("without exponent")
|
||
{
|
||
CHECK(parser_helper("-128.5") == json(-128.5));
|
||
CHECK(parser_helper("0.999") == json(0.999));
|
||
CHECK(parser_helper("128.5") == json(128.5));
|
||
CHECK(parser_helper("-0.0") == json(-0.0));
|
||
}
|
||
|
||
SECTION("with exponent")
|
||
{
|
||
CHECK(parser_helper("-128.5E3") == json(-128.5E3));
|
||
CHECK(parser_helper("-128.5E-3") == json(-128.5E-3));
|
||
CHECK(parser_helper("-0.0e1") == json(-0.0e1));
|
||
CHECK(parser_helper("-0.0E1") == json(-0.0e1));
|
||
}
|
||
}
|
||
|
||
SECTION("overflow")
|
||
{
|
||
// overflows during parsing yield an exception
|
||
CHECK_THROWS_AS(parser_helper("1.18973e+4932") == json(), json::out_of_range&);
|
||
CHECK_THROWS_WITH(parser_helper("1.18973e+4932") == json(),
|
||
"[json.exception.out_of_range.406] number overflow parsing '1.18973e+4932'");
|
||
}
|
||
|
||
SECTION("invalid numbers")
|
||
{
|
||
CHECK_THROWS_AS(parser_helper("01"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("--1"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1E"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1E-"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1.E1"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-1E"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0E#"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0E-#"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0#"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0.0:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0.0Z"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0E123:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0e0-:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0e-:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0f"), json::parse_error&);
|
||
|
||
// numbers must not begin with "+"
|
||
CHECK_THROWS_AS(parser_helper("+1"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("+0"), json::parse_error&);
|
||
|
||
CHECK_THROWS_WITH(parser_helper("01"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - unexpected number literal; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("-01"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - unexpected number literal; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("--1"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid number; expected digit after '-'; last read: '--'");
|
||
CHECK_THROWS_WITH(parser_helper("1."),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected digit after '.'; last read: '1.'");
|
||
CHECK_THROWS_WITH(parser_helper("1E"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1E'");
|
||
CHECK_THROWS_WITH(parser_helper("1E-"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid number; expected digit after exponent sign; last read: '1E-'");
|
||
CHECK_THROWS_WITH(parser_helper("1.E1"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected digit after '.'; last read: '1.E'");
|
||
CHECK_THROWS_WITH(parser_helper("-1E"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '-1E'");
|
||
CHECK_THROWS_WITH(parser_helper("-0E#"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '-0E#'");
|
||
CHECK_THROWS_WITH(parser_helper("-0E-#"),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid number; expected digit after exponent sign; last read: '-0E-#'");
|
||
CHECK_THROWS_WITH(parser_helper("-0#"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid literal; last read: '-0#'; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("-0.0:"),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - unexpected ':'; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("-0.0Z"),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid literal; last read: '-0.0Z'; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("-0E123:"),
|
||
"[json.exception.parse_error.101] parse error at 7: syntax error - unexpected ':'; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("-0e0-:"),
|
||
"[json.exception.parse_error.101] parse error at 6: syntax error - invalid number; expected digit after '-'; last read: '-:'; expected end of input");
|
||
CHECK_THROWS_WITH(parser_helper("-0e-:"),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid number; expected digit after exponent sign; last read: '-0e-:'");
|
||
CHECK_THROWS_WITH(parser_helper("-0f"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid literal; last read: '-0f'; expected end of input");
|
||
}
|
||
}
|
||
}
|
||
|
||
SECTION("accept")
|
||
{
|
||
SECTION("null")
|
||
{
|
||
CHECK(accept_helper("null"));
|
||
}
|
||
|
||
SECTION("true")
|
||
{
|
||
CHECK(accept_helper("true"));
|
||
}
|
||
|
||
SECTION("false")
|
||
{
|
||
CHECK(accept_helper("false"));
|
||
}
|
||
|
||
SECTION("array")
|
||
{
|
||
SECTION("empty array")
|
||
{
|
||
CHECK(accept_helper("[]"));
|
||
CHECK(accept_helper("[ ]"));
|
||
}
|
||
|
||
SECTION("nonempty array")
|
||
{
|
||
CHECK(accept_helper("[true, false, null]"));
|
||
}
|
||
}
|
||
|
||
SECTION("object")
|
||
{
|
||
SECTION("empty object")
|
||
{
|
||
CHECK(accept_helper("{}"));
|
||
CHECK(accept_helper("{ }"));
|
||
}
|
||
|
||
SECTION("nonempty object")
|
||
{
|
||
CHECK(accept_helper("{\"\": true, \"one\": 1, \"two\": null}"));
|
||
}
|
||
}
|
||
|
||
SECTION("string")
|
||
{
|
||
// empty string
|
||
CHECK(accept_helper("\"\""));
|
||
|
||
SECTION("errors")
|
||
{
|
||
// error: tab in string
|
||
CHECK(accept_helper("\"\t\"") == false);
|
||
// error: newline in string
|
||
CHECK(accept_helper("\"\n\"") == false);
|
||
CHECK(accept_helper("\"\r\"") == false);
|
||
// error: backspace in string
|
||
CHECK(accept_helper("\"\b\"") == false);
|
||
// improve code coverage
|
||
CHECK(accept_helper("\uFF01") == false);
|
||
CHECK(accept_helper("[-4:1,]") == false);
|
||
// unescaped control characters
|
||
CHECK(accept_helper("\"\x00\"") == false);
|
||
CHECK(accept_helper("\"\x01\"") == false);
|
||
CHECK(accept_helper("\"\x02\"") == false);
|
||
CHECK(accept_helper("\"\x03\"") == false);
|
||
CHECK(accept_helper("\"\x04\"") == false);
|
||
CHECK(accept_helper("\"\x05\"") == false);
|
||
CHECK(accept_helper("\"\x06\"") == false);
|
||
CHECK(accept_helper("\"\x07\"") == false);
|
||
CHECK(accept_helper("\"\x08\"") == false);
|
||
CHECK(accept_helper("\"\x09\"") == false);
|
||
CHECK(accept_helper("\"\x0a\"") == false);
|
||
CHECK(accept_helper("\"\x0b\"") == false);
|
||
CHECK(accept_helper("\"\x0c\"") == false);
|
||
CHECK(accept_helper("\"\x0d\"") == false);
|
||
CHECK(accept_helper("\"\x0e\"") == false);
|
||
CHECK(accept_helper("\"\x0f\"") == false);
|
||
CHECK(accept_helper("\"\x10\"") == false);
|
||
CHECK(accept_helper("\"\x11\"") == false);
|
||
CHECK(accept_helper("\"\x12\"") == false);
|
||
CHECK(accept_helper("\"\x13\"") == false);
|
||
CHECK(accept_helper("\"\x14\"") == false);
|
||
CHECK(accept_helper("\"\x15\"") == false);
|
||
CHECK(accept_helper("\"\x16\"") == false);
|
||
CHECK(accept_helper("\"\x17\"") == false);
|
||
CHECK(accept_helper("\"\x18\"") == false);
|
||
CHECK(accept_helper("\"\x19\"") == false);
|
||
CHECK(accept_helper("\"\x1a\"") == false);
|
||
CHECK(accept_helper("\"\x1b\"") == false);
|
||
CHECK(accept_helper("\"\x1c\"") == false);
|
||
CHECK(accept_helper("\"\x1d\"") == false);
|
||
CHECK(accept_helper("\"\x1e\"") == false);
|
||
CHECK(accept_helper("\"\x1f\"") == false);
|
||
}
|
||
|
||
SECTION("escaped")
|
||
{
|
||
// quotation mark "\""
|
||
auto r1 = R"("\"")"_json;
|
||
CHECK(accept_helper("\"\\\"\""));
|
||
// reverse solidus "\\"
|
||
auto r2 = R"("\\")"_json;
|
||
CHECK(accept_helper("\"\\\\\""));
|
||
// solidus
|
||
CHECK(accept_helper("\"\\/\""));
|
||
// backspace
|
||
CHECK(accept_helper("\"\\b\""));
|
||
// formfeed
|
||
CHECK(accept_helper("\"\\f\""));
|
||
// newline
|
||
CHECK(accept_helper("\"\\n\""));
|
||
// carriage return
|
||
CHECK(accept_helper("\"\\r\""));
|
||
// horizontal tab
|
||
CHECK(accept_helper("\"\\t\""));
|
||
|
||
CHECK(accept_helper("\"\\u0001\""));
|
||
CHECK(accept_helper("\"\\u000a\""));
|
||
CHECK(accept_helper("\"\\u00b0\""));
|
||
CHECK(accept_helper("\"\\u0c00\""));
|
||
CHECK(accept_helper("\"\\ud000\""));
|
||
CHECK(accept_helper("\"\\u000E\""));
|
||
CHECK(accept_helper("\"\\u00F0\""));
|
||
CHECK(accept_helper("\"\\u0100\""));
|
||
CHECK(accept_helper("\"\\u2000\""));
|
||
CHECK(accept_helper("\"\\uFFFF\""));
|
||
CHECK(accept_helper("\"\\u20AC\""));
|
||
CHECK(accept_helper("\"€\""));
|
||
CHECK(accept_helper("\"🎈\""));
|
||
|
||
CHECK(accept_helper("\"\\ud80c\\udc60\""));
|
||
CHECK(accept_helper("\"\\ud83c\\udf1e\""));
|
||
}
|
||
}
|
||
|
||
SECTION("number")
|
||
{
|
||
SECTION("integers")
|
||
{
|
||
SECTION("without exponent")
|
||
{
|
||
CHECK(accept_helper("-128"));
|
||
CHECK(accept_helper("-0"));
|
||
CHECK(accept_helper("0"));
|
||
CHECK(accept_helper("128"));
|
||
}
|
||
|
||
SECTION("with exponent")
|
||
{
|
||
CHECK(accept_helper("0e1"));
|
||
CHECK(accept_helper("0E1"));
|
||
|
||
CHECK(accept_helper("10000E-4"));
|
||
CHECK(accept_helper("10000E-3"));
|
||
CHECK(accept_helper("10000E-2"));
|
||
CHECK(accept_helper("10000E-1"));
|
||
CHECK(accept_helper("10000E0"));
|
||
CHECK(accept_helper("10000E1"));
|
||
CHECK(accept_helper("10000E2"));
|
||
CHECK(accept_helper("10000E3"));
|
||
CHECK(accept_helper("10000E4"));
|
||
|
||
CHECK(accept_helper("10000e-4"));
|
||
CHECK(accept_helper("10000e-3"));
|
||
CHECK(accept_helper("10000e-2"));
|
||
CHECK(accept_helper("10000e-1"));
|
||
CHECK(accept_helper("10000e0"));
|
||
CHECK(accept_helper("10000e1"));
|
||
CHECK(accept_helper("10000e2"));
|
||
CHECK(accept_helper("10000e3"));
|
||
CHECK(accept_helper("10000e4"));
|
||
|
||
CHECK(accept_helper("-0e1"));
|
||
CHECK(accept_helper("-0E1"));
|
||
CHECK(accept_helper("-0E123"));
|
||
}
|
||
|
||
SECTION("edge cases")
|
||
{
|
||
// From RFC7159, Section 6:
|
||
// Note that when such software is used, numbers that are
|
||
// integers and are in the range [-(2**53)+1, (2**53)-1]
|
||
// are interoperable in the sense that implementations will
|
||
// agree exactly on their numeric values.
|
||
|
||
// -(2**53)+1
|
||
CHECK(accept_helper("-9007199254740991"));
|
||
// (2**53)-1
|
||
CHECK(accept_helper("9007199254740991"));
|
||
}
|
||
|
||
SECTION("over the edge cases") // issue #178 - Integer conversion to unsigned (incorrect handling of 64 bit integers)
|
||
{
|
||
// While RFC7159, Section 6 specifies a preference for support
|
||
// for ranges in range of IEEE 754-2008 binary64 (double precision)
|
||
// this does not accommodate 64 bit integers without loss of accuracy.
|
||
// As 64 bit integers are now widely used in software, it is desirable
|
||
// to expand support to to the full 64 bit (signed and unsigned) range
|
||
// i.e. -(2**63) -> (2**64)-1.
|
||
|
||
// -(2**63) ** Note: compilers see negative literals as negated positive numbers (hence the -1))
|
||
CHECK(accept_helper("-9223372036854775808"));
|
||
// (2**63)-1
|
||
CHECK(accept_helper("9223372036854775807"));
|
||
// (2**64)-1
|
||
CHECK(accept_helper("18446744073709551615"));
|
||
}
|
||
}
|
||
|
||
SECTION("floating-point")
|
||
{
|
||
SECTION("without exponent")
|
||
{
|
||
CHECK(accept_helper("-128.5"));
|
||
CHECK(accept_helper("0.999"));
|
||
CHECK(accept_helper("128.5"));
|
||
CHECK(accept_helper("-0.0"));
|
||
}
|
||
|
||
SECTION("with exponent")
|
||
{
|
||
CHECK(accept_helper("-128.5E3"));
|
||
CHECK(accept_helper("-128.5E-3"));
|
||
CHECK(accept_helper("-0.0e1"));
|
||
CHECK(accept_helper("-0.0E1"));
|
||
}
|
||
}
|
||
|
||
SECTION("overflow")
|
||
{
|
||
// overflows during parsing
|
||
CHECK(not accept_helper("1.18973e+4932"));
|
||
}
|
||
|
||
SECTION("invalid numbers")
|
||
{
|
||
CHECK(accept_helper("01") == false);
|
||
CHECK(accept_helper("--1") == false);
|
||
CHECK(accept_helper("1.") == false);
|
||
CHECK(accept_helper("1E") == false);
|
||
CHECK(accept_helper("1E-") == false);
|
||
CHECK(accept_helper("1.E1") == false);
|
||
CHECK(accept_helper("-1E") == false);
|
||
CHECK(accept_helper("-0E#") == false);
|
||
CHECK(accept_helper("-0E-#") == false);
|
||
CHECK(accept_helper("-0#") == false);
|
||
CHECK(accept_helper("-0.0:") == false);
|
||
CHECK(accept_helper("-0.0Z") == false);
|
||
CHECK(accept_helper("-0E123:") == false);
|
||
CHECK(accept_helper("-0e0-:") == false);
|
||
CHECK(accept_helper("-0e-:") == false);
|
||
CHECK(accept_helper("-0f") == false);
|
||
|
||
// numbers must not begin with "+"
|
||
CHECK(accept_helper("+1") == false);
|
||
CHECK(accept_helper("+0") == false);
|
||
}
|
||
}
|
||
}
|
||
|
||
SECTION("parse errors")
|
||
{
|
||
// unexpected end of number
|
||
CHECK_THROWS_AS(parser_helper("0."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("--"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-0."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("-:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("0.:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("e."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1e."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1e/"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1e:"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1E."), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1E/"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("1E:"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("0."),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected digit after '.'; last read: '0.'");
|
||
CHECK_THROWS_WITH(parser_helper("-"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid number; expected digit after '-'; last read: '-'");
|
||
CHECK_THROWS_WITH(parser_helper("--"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid number; expected digit after '-'; last read: '--'");
|
||
CHECK_THROWS_WITH(parser_helper("-0."),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid number; expected digit after '.'; last read: '-0.'");
|
||
CHECK_THROWS_WITH(parser_helper("-."),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid number; expected digit after '-'; last read: '-.'");
|
||
CHECK_THROWS_WITH(parser_helper("-:"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid number; expected digit after '-'; last read: '-:'");
|
||
CHECK_THROWS_WITH(parser_helper("0.:"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected digit after '.'; last read: '0.:'");
|
||
CHECK_THROWS_WITH(parser_helper("e."),
|
||
"[json.exception.parse_error.101] parse error at 1: syntax error - invalid literal; last read: 'e'");
|
||
CHECK_THROWS_WITH(parser_helper("1e."),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1e.'");
|
||
CHECK_THROWS_WITH(parser_helper("1e/"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1e/'");
|
||
CHECK_THROWS_WITH(parser_helper("1e:"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1e:'");
|
||
CHECK_THROWS_WITH(parser_helper("1E."),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1E.'");
|
||
CHECK_THROWS_WITH(parser_helper("1E/"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1E/'");
|
||
CHECK_THROWS_WITH(parser_helper("1E:"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid number; expected '+', '-', or digit after exponent; last read: '1E:'");
|
||
|
||
// unexpected end of null
|
||
CHECK_THROWS_AS(parser_helper("n"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("nu"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("nul"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("n"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid literal; last read: 'n'");
|
||
CHECK_THROWS_WITH(parser_helper("nu"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid literal; last read: 'nu'");
|
||
CHECK_THROWS_WITH(parser_helper("nul"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid literal; last read: 'nul'");
|
||
|
||
// unexpected end of true
|
||
CHECK_THROWS_AS(parser_helper("t"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("tr"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("tru"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("t"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid literal; last read: 't'");
|
||
CHECK_THROWS_WITH(parser_helper("tr"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid literal; last read: 'tr'");
|
||
CHECK_THROWS_WITH(parser_helper("tru"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid literal; last read: 'tru'");
|
||
|
||
// unexpected end of false
|
||
CHECK_THROWS_AS(parser_helper("f"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("fa"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("fal"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("fals"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("f"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid literal; last read: 'f'");
|
||
CHECK_THROWS_WITH(parser_helper("fa"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid literal; last read: 'fa'");
|
||
CHECK_THROWS_WITH(parser_helper("fal"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid literal; last read: 'fal'");
|
||
CHECK_THROWS_WITH(parser_helper("fals"),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid literal; last read: 'fals'");
|
||
|
||
// missing/unexpected end of array
|
||
CHECK_THROWS_AS(parser_helper("["), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("[1"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("[1,"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("[1,]"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("]"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("["),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - unexpected end of input; expected '[', '{', or a literal");
|
||
CHECK_THROWS_WITH(parser_helper("[1"),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - unexpected end of input; expected ']'");
|
||
CHECK_THROWS_WITH(parser_helper("[1,"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - unexpected end of input; expected '[', '{', or a literal");
|
||
CHECK_THROWS_WITH(parser_helper("[1,]"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - unexpected ']'; expected '[', '{', or a literal");
|
||
CHECK_THROWS_WITH(parser_helper("]"),
|
||
"[json.exception.parse_error.101] parse error at 1: syntax error - unexpected ']'; expected '[', '{', or a literal");
|
||
|
||
// missing/unexpected end of object
|
||
CHECK_THROWS_AS(parser_helper("{"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("{\"foo\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("{\"foo\":"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("{\"foo\":}"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("{\"foo\":1,}"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("}"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("{"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - unexpected end of input; expected string literal");
|
||
CHECK_THROWS_WITH(parser_helper("{\"foo\""),
|
||
"[json.exception.parse_error.101] parse error at 7: syntax error - unexpected end of input; expected ':'");
|
||
CHECK_THROWS_WITH(parser_helper("{\"foo\":"),
|
||
"[json.exception.parse_error.101] parse error at 8: syntax error - unexpected end of input; expected '[', '{', or a literal");
|
||
CHECK_THROWS_WITH(parser_helper("{\"foo\":}"),
|
||
"[json.exception.parse_error.101] parse error at 8: syntax error - unexpected '}'; expected '[', '{', or a literal");
|
||
CHECK_THROWS_WITH(parser_helper("{\"foo\":1,}"),
|
||
"[json.exception.parse_error.101] parse error at 10: syntax error - unexpected '}'; expected string literal");
|
||
CHECK_THROWS_WITH(parser_helper("}"),
|
||
"[json.exception.parse_error.101] parse error at 1: syntax error - unexpected '}'; expected '[', '{', or a literal");
|
||
|
||
// missing/unexpected end of string
|
||
CHECK_THROWS_AS(parser_helper("\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u0\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u01\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u012\""), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u0"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u01"), json::parse_error&);
|
||
CHECK_THROWS_AS(parser_helper("\"\\u012"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("\""),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - invalid string: missing closing quote; last read: '\"'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\\""),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid string: missing closing quote; last read: '\"\\\"'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u\""),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u\"'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u0\""),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u0\"'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u01\""),
|
||
"[json.exception.parse_error.101] parse error at 6: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u01\"'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u012\""),
|
||
"[json.exception.parse_error.101] parse error at 7: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u012\"'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u"),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u0"),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u0'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u01"),
|
||
"[json.exception.parse_error.101] parse error at 6: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u01'");
|
||
CHECK_THROWS_WITH(parser_helper("\"\\u012"),
|
||
"[json.exception.parse_error.101] parse error at 7: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '\"\\u012'");
|
||
|
||
// invalid escapes
|
||
for (int c = 1; c < 128; ++c)
|
||
{
|
||
auto s = std::string("\"\\") + std::string(1, static_cast<char>(c)) + "\"";
|
||
|
||
switch (c)
|
||
{
|
||
// valid escapes
|
||
case ('"'):
|
||
case ('\\'):
|
||
case ('/'):
|
||
case ('b'):
|
||
case ('f'):
|
||
case ('n'):
|
||
case ('r'):
|
||
case ('t'):
|
||
{
|
||
CHECK_NOTHROW(parser_helper(s.c_str()));
|
||
break;
|
||
}
|
||
|
||
// \u must be followed with four numbers, so we skip it here
|
||
case ('u'):
|
||
{
|
||
break;
|
||
}
|
||
|
||
// any other combination of backslash and character is invalid
|
||
default:
|
||
{
|
||
CHECK_THROWS_AS(parser_helper(s.c_str()), json::parse_error&);
|
||
// only check error message if c is not a control character
|
||
if (c > 0x1f)
|
||
{
|
||
CHECK_THROWS_WITH(parser_helper(s.c_str()),
|
||
"[json.exception.parse_error.101] parse error at 3: syntax error - invalid string: forbidden character after backslash; last read: '\"\\" + std::string(1, static_cast<char>(c)) + "'");
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// invalid \uxxxx escapes
|
||
{
|
||
// check whether character is a valid hex character
|
||
const auto valid = [](int c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case ('0'):
|
||
case ('1'):
|
||
case ('2'):
|
||
case ('3'):
|
||
case ('4'):
|
||
case ('5'):
|
||
case ('6'):
|
||
case ('7'):
|
||
case ('8'):
|
||
case ('9'):
|
||
case ('a'):
|
||
case ('b'):
|
||
case ('c'):
|
||
case ('d'):
|
||
case ('e'):
|
||
case ('f'):
|
||
case ('A'):
|
||
case ('B'):
|
||
case ('C'):
|
||
case ('D'):
|
||
case ('E'):
|
||
case ('F'):
|
||
{
|
||
return true;
|
||
}
|
||
|
||
default:
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
};
|
||
|
||
for (int c = 1; c < 128; ++c)
|
||
{
|
||
std::string s = "\"\\u";
|
||
|
||
// create a string with the iterated character at each position
|
||
auto s1 = s + "000" + std::string(1, static_cast<char>(c)) + "\"";
|
||
auto s2 = s + "00" + std::string(1, static_cast<char>(c)) + "0\"";
|
||
auto s3 = s + "0" + std::string(1, static_cast<char>(c)) + "00\"";
|
||
auto s4 = s + std::string(1, static_cast<char>(c)) + "000\"";
|
||
|
||
if (valid(c))
|
||
{
|
||
CAPTURE(s1);
|
||
CHECK_NOTHROW(parser_helper(s1.c_str()));
|
||
CAPTURE(s2);
|
||
CHECK_NOTHROW(parser_helper(s2.c_str()));
|
||
CAPTURE(s3);
|
||
CHECK_NOTHROW(parser_helper(s3.c_str()));
|
||
CAPTURE(s4);
|
||
CHECK_NOTHROW(parser_helper(s4.c_str()));
|
||
}
|
||
else
|
||
{
|
||
CAPTURE(s1);
|
||
CHECK_THROWS_AS(parser_helper(s1.c_str()), json::parse_error&);
|
||
// only check error message if c is not a control character
|
||
if (c > 0x1f)
|
||
{
|
||
CHECK_THROWS_WITH(parser_helper(s1.c_str()),
|
||
"[json.exception.parse_error.101] parse error at 7: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '" + s1.substr(0, 7) + "'");
|
||
}
|
||
|
||
CAPTURE(s2);
|
||
CHECK_THROWS_AS(parser_helper(s2.c_str()), json::parse_error&);
|
||
// only check error message if c is not a control character
|
||
if (c > 0x1f)
|
||
{
|
||
CHECK_THROWS_WITH(parser_helper(s2.c_str()),
|
||
"[json.exception.parse_error.101] parse error at 6: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '" + s2.substr(0, 6) + "'");
|
||
}
|
||
|
||
CAPTURE(s3);
|
||
CHECK_THROWS_AS(parser_helper(s3.c_str()), json::parse_error&);
|
||
// only check error message if c is not a control character
|
||
if (c > 0x1f)
|
||
{
|
||
CHECK_THROWS_WITH(parser_helper(s3.c_str()),
|
||
"[json.exception.parse_error.101] parse error at 5: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '" + s3.substr(0, 5) + "'");
|
||
}
|
||
|
||
CAPTURE(s4);
|
||
CHECK_THROWS_AS(parser_helper(s4.c_str()), json::parse_error&);
|
||
// only check error message if c is not a control character
|
||
if (c > 0x1f)
|
||
{
|
||
CHECK_THROWS_WITH(parser_helper(s4.c_str()),
|
||
"[json.exception.parse_error.101] parse error at 4: syntax error - invalid string: '\\u' must be followed by 4 hex digits; last read: '" + s4.substr(0, 4) + "'");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// missing part of a surrogate pair
|
||
CHECK_THROWS_AS(json::parse("\"\\uD80C\""), json::parse_error&);
|
||
CHECK_THROWS_WITH(json::parse("\"\\uD80C\""),
|
||
"[json.exception.parse_error.101] parse error at 8: syntax error - invalid string: surrogate U+DC00..U+DFFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD80C\"'");
|
||
// invalid surrogate pair
|
||
CHECK_THROWS_AS(json::parse("\"\\uD80C\\uD80C\""), json::parse_error&);
|
||
CHECK_THROWS_AS(json::parse("\"\\uD80C\\u0000\""), json::parse_error&);
|
||
CHECK_THROWS_AS(json::parse("\"\\uD80C\\uFFFF\""), json::parse_error&);
|
||
CHECK_THROWS_WITH(json::parse("\"\\uD80C\\uD80C\""),
|
||
"[json.exception.parse_error.101] parse error at 13: syntax error - invalid string: surrogate U+DC00..U+DFFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD80C\\uD80C'");
|
||
CHECK_THROWS_WITH(json::parse("\"\\uD80C\\u0000\""),
|
||
"[json.exception.parse_error.101] parse error at 13: syntax error - invalid string: surrogate U+DC00..U+DFFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD80C\\u0000'");
|
||
CHECK_THROWS_WITH(json::parse("\"\\uD80C\\uFFFF\""),
|
||
"[json.exception.parse_error.101] parse error at 13: syntax error - invalid string: surrogate U+DC00..U+DFFF must be followed by U+DC00..U+DFFF; last read: '\"\\uD80C\\uFFFF'");
|
||
}
|
||
|
||
SECTION("parse errors (accept)")
|
||
{
|
||
// unexpected end of number
|
||
CHECK(accept_helper("0.") == false);
|
||
CHECK(accept_helper("-") == false);
|
||
CHECK(accept_helper("--") == false);
|
||
CHECK(accept_helper("-0.") == false);
|
||
CHECK(accept_helper("-.") == false);
|
||
CHECK(accept_helper("-:") == false);
|
||
CHECK(accept_helper("0.:") == false);
|
||
CHECK(accept_helper("e.") == false);
|
||
CHECK(accept_helper("1e.") == false);
|
||
CHECK(accept_helper("1e/") == false);
|
||
CHECK(accept_helper("1e:") == false);
|
||
CHECK(accept_helper("1E.") == false);
|
||
CHECK(accept_helper("1E/") == false);
|
||
CHECK(accept_helper("1E:") == false);
|
||
|
||
// unexpected end of null
|
||
CHECK(accept_helper("n") == false);
|
||
CHECK(accept_helper("nu") == false);
|
||
CHECK(accept_helper("nul") == false);
|
||
|
||
// unexpected end of true
|
||
CHECK(accept_helper("t") == false);
|
||
CHECK(accept_helper("tr") == false);
|
||
CHECK(accept_helper("tru") == false);
|
||
|
||
// unexpected end of false
|
||
CHECK(accept_helper("f") == false);
|
||
CHECK(accept_helper("fa") == false);
|
||
CHECK(accept_helper("fal") == false);
|
||
CHECK(accept_helper("fals") == false);
|
||
|
||
// missing/unexpected end of array
|
||
CHECK(accept_helper("[") == false);
|
||
CHECK(accept_helper("[1") == false);
|
||
CHECK(accept_helper("[1,") == false);
|
||
CHECK(accept_helper("[1,]") == false);
|
||
CHECK(accept_helper("]") == false);
|
||
|
||
// missing/unexpected end of object
|
||
CHECK(accept_helper("{") == false);
|
||
CHECK(accept_helper("{\"foo\"") == false);
|
||
CHECK(accept_helper("{\"foo\":") == false);
|
||
CHECK(accept_helper("{\"foo\":}") == false);
|
||
CHECK(accept_helper("{\"foo\":1,}") == false);
|
||
CHECK(accept_helper("}") == false);
|
||
|
||
// missing/unexpected end of string
|
||
CHECK(accept_helper("\"") == false);
|
||
CHECK(accept_helper("\"\\\"") == false);
|
||
CHECK(accept_helper("\"\\u\"") == false);
|
||
CHECK(accept_helper("\"\\u0\"") == false);
|
||
CHECK(accept_helper("\"\\u01\"") == false);
|
||
CHECK(accept_helper("\"\\u012\"") == false);
|
||
CHECK(accept_helper("\"\\u") == false);
|
||
CHECK(accept_helper("\"\\u0") == false);
|
||
CHECK(accept_helper("\"\\u01") == false);
|
||
CHECK(accept_helper("\"\\u012") == false);
|
||
|
||
// invalid escapes
|
||
for (int c = 1; c < 128; ++c)
|
||
{
|
||
auto s = std::string("\"\\") + std::string(1, static_cast<char>(c)) + "\"";
|
||
|
||
switch (c)
|
||
{
|
||
// valid escapes
|
||
case ('"'):
|
||
case ('\\'):
|
||
case ('/'):
|
||
case ('b'):
|
||
case ('f'):
|
||
case ('n'):
|
||
case ('r'):
|
||
case ('t'):
|
||
{
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s.c_str()))).accept());
|
||
break;
|
||
}
|
||
|
||
// \u must be followed with four numbers, so we skip it here
|
||
case ('u'):
|
||
{
|
||
break;
|
||
}
|
||
|
||
// any other combination of backslash and character is invalid
|
||
default:
|
||
{
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s.c_str()))).accept() == false);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// invalid \uxxxx escapes
|
||
{
|
||
// check whether character is a valid hex character
|
||
const auto valid = [](int c)
|
||
{
|
||
switch (c)
|
||
{
|
||
case ('0'):
|
||
case ('1'):
|
||
case ('2'):
|
||
case ('3'):
|
||
case ('4'):
|
||
case ('5'):
|
||
case ('6'):
|
||
case ('7'):
|
||
case ('8'):
|
||
case ('9'):
|
||
case ('a'):
|
||
case ('b'):
|
||
case ('c'):
|
||
case ('d'):
|
||
case ('e'):
|
||
case ('f'):
|
||
case ('A'):
|
||
case ('B'):
|
||
case ('C'):
|
||
case ('D'):
|
||
case ('E'):
|
||
case ('F'):
|
||
{
|
||
return true;
|
||
}
|
||
|
||
default:
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
};
|
||
|
||
for (int c = 1; c < 128; ++c)
|
||
{
|
||
std::string s = "\"\\u";
|
||
|
||
// create a string with the iterated character at each position
|
||
auto s1 = s + "000" + std::string(1, static_cast<char>(c)) + "\"";
|
||
auto s2 = s + "00" + std::string(1, static_cast<char>(c)) + "0\"";
|
||
auto s3 = s + "0" + std::string(1, static_cast<char>(c)) + "00\"";
|
||
auto s4 = s + std::string(1, static_cast<char>(c)) + "000\"";
|
||
|
||
if (valid(c))
|
||
{
|
||
CAPTURE(s1);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s1.c_str()))).accept());
|
||
CAPTURE(s2);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s2.c_str()))).accept());
|
||
CAPTURE(s3);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s3.c_str()))).accept());
|
||
CAPTURE(s4);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s4.c_str()))).accept());
|
||
}
|
||
else
|
||
{
|
||
CAPTURE(s1);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s1.c_str()))).accept() == false);
|
||
|
||
CAPTURE(s2);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s2.c_str()))).accept() == false);
|
||
|
||
CAPTURE(s3);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s3.c_str()))).accept() == false);
|
||
|
||
CAPTURE(s4);
|
||
CHECK(json::parser(nlohmann::detail::input_adapter(std::string(s4.c_str()))).accept() == false);
|
||
}
|
||
}
|
||
}
|
||
|
||
// missing part of a surrogate pair
|
||
CHECK(accept_helper("\"\\uD80C\"") == false);
|
||
// invalid surrogate pair
|
||
CHECK(accept_helper("\"\\uD80C\\uD80C\"") == false);
|
||
CHECK(accept_helper("\"\\uD80C\\u0000\"") == false);
|
||
CHECK(accept_helper("\"\\uD80C\\uFFFF\"") == false);
|
||
}
|
||
|
||
SECTION("tests found by mutate++")
|
||
{
|
||
// test case to make sure no comma preceeds the first key
|
||
CHECK_THROWS_AS(parser_helper("{,\"key\": false}"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("{,\"key\": false}"),
|
||
"[json.exception.parse_error.101] parse error at 2: syntax error - unexpected ','; expected string literal");
|
||
// test case to make sure an object is properly closed
|
||
CHECK_THROWS_AS(parser_helper("[{\"key\": false true]"), json::parse_error&);
|
||
CHECK_THROWS_WITH(parser_helper("[{\"key\": false true]"),
|
||
"[json.exception.parse_error.101] parse error at 19: syntax error - unexpected true literal; expected '}'");
|
||
|
||
// test case to make sure the callback is properly evaluated after reading a key
|
||
{
|
||
json::parser_callback_t cb = [](int, json::parse_event_t event, json&)
|
||
{
|
||
if (event == json::parse_event_t::key)
|
||
{
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
};
|
||
|
||
json x = json::parse("{\"key\": false}", cb);
|
||
CHECK(x == json::object());
|
||
}
|
||
}
|
||
|
||
SECTION("callback function")
|
||
{
|
||
auto s_object = R"(
|
||
{
|
||
"foo": 2,
|
||
"bar": {
|
||
"baz": 1
|
||
}
|
||
}
|
||
)";
|
||
|
||
auto s_array = R"(
|
||
[1,2,[3,4,5],4,5]
|
||
)";
|
||
|
||
SECTION("filter nothing")
|
||
{
|
||
json j_object = json::parse(s_object, [](int, json::parse_event_t, const json&)
|
||
{
|
||
return true;
|
||
});
|
||
|
||
CHECK (j_object == json({{"foo", 2}, {"bar", {{"baz", 1}}}}));
|
||
|
||
json j_array = json::parse(s_array, [](int, json::parse_event_t, const json&)
|
||
{
|
||
return true;
|
||
});
|
||
|
||
CHECK (j_array == json({1, 2, {3, 4, 5}, 4, 5}));
|
||
}
|
||
|
||
SECTION("filter everything")
|
||
{
|
||
json j_object = json::parse(s_object, [](int, json::parse_event_t, const json&)
|
||
{
|
||
return false;
|
||
});
|
||
|
||
// the top-level object will be discarded, leaving a null
|
||
CHECK (j_object.is_null());
|
||
|
||
json j_array = json::parse(s_array, [](int, json::parse_event_t, const json&)
|
||
{
|
||
return false;
|
||
});
|
||
|
||
// the top-level array will be discarded, leaving a null
|
||
CHECK (j_array.is_null());
|
||
}
|
||
|
||
SECTION("filter specific element")
|
||
{
|
||
json j_object = json::parse(s_object, [](int, json::parse_event_t, const json & j)
|
||
{
|
||
// filter all number(2) elements
|
||
if (j == json(2))
|
||
{
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
});
|
||
|
||
CHECK (j_object == json({{"bar", {{"baz", 1}}}}));
|
||
|
||
json j_array = json::parse(s_array, [](int, json::parse_event_t, const json & j)
|
||
{
|
||
if (j == json(2))
|
||
{
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
});
|
||
|
||
CHECK (j_array == json({1, {3, 4, 5}, 4, 5}));
|
||
}
|
||
|
||
SECTION("filter specific events")
|
||
{
|
||
SECTION("first closing event")
|
||
{
|
||
{
|
||
json j_object = json::parse(s_object, [](int, json::parse_event_t e, const json&)
|
||
{
|
||
static bool first = true;
|
||
if (e == json::parse_event_t::object_end and first)
|
||
{
|
||
first = false;
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
});
|
||
|
||
// the first completed object will be discarded
|
||
CHECK (j_object == json({{"foo", 2}}));
|
||
}
|
||
|
||
{
|
||
json j_array = json::parse(s_array, [](int, json::parse_event_t e, const json&)
|
||
{
|
||
static bool first = true;
|
||
if (e == json::parse_event_t::array_end and first)
|
||
{
|
||
first = false;
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
});
|
||
|
||
// the first completed array will be discarded
|
||
CHECK (j_array == json({1, 2, 4, 5}));
|
||
}
|
||
}
|
||
}
|
||
|
||
SECTION("special cases")
|
||
{
|
||
// the following test cases cover the situation in which an empty
|
||
// object and array is discarded only after the closing character
|
||
// has been read
|
||
|
||
json j_empty_object = json::parse("{}", [](int, json::parse_event_t e, const json&)
|
||
{
|
||
if (e == json::parse_event_t::object_end)
|
||
{
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
});
|
||
CHECK(j_empty_object == json());
|
||
|
||
json j_empty_array = json::parse("[]", [](int, json::parse_event_t e, const json&)
|
||
{
|
||
if (e == json::parse_event_t::array_end)
|
||
{
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
return true;
|
||
}
|
||
});
|
||
CHECK(j_empty_array == json());
|
||
}
|
||
}
|
||
|
||
SECTION("constructing from contiguous containers")
|
||
{
|
||
SECTION("from std::vector")
|
||
{
|
||
std::vector<uint8_t> v = {'t', 'r', 'u', 'e'};
|
||
json j;
|
||
json::parser(nlohmann::detail::input_adapter(std::begin(v), std::end(v))).parse(true, j);
|
||
CHECK(j == json(true));
|
||
}
|
||
|
||
SECTION("from std::array")
|
||
{
|
||
std::array<uint8_t, 5> v { {'t', 'r', 'u', 'e'} };
|
||
json j;
|
||
json::parser(nlohmann::detail::input_adapter(std::begin(v), std::end(v))).parse(true, j);
|
||
CHECK(j == json(true));
|
||
}
|
||
|
||
SECTION("from array")
|
||
{
|
||
uint8_t v[] = {'t', 'r', 'u', 'e'};
|
||
json j;
|
||
json::parser(nlohmann::detail::input_adapter(std::begin(v), std::end(v))).parse(true, j);
|
||
CHECK(j == json(true));
|
||
}
|
||
|
||
SECTION("from char literal")
|
||
{
|
||
CHECK(parser_helper("true") == json(true));
|
||
}
|
||
|
||
SECTION("from std::string")
|
||
{
|
||
std::string v = {'t', 'r', 'u', 'e'};
|
||
json j;
|
||
json::parser(nlohmann::detail::input_adapter(std::begin(v), std::end(v))).parse(true, j);
|
||
CHECK(j == json(true));
|
||
}
|
||
|
||
SECTION("from std::initializer_list")
|
||
{
|
||
std::initializer_list<uint8_t> v = {'t', 'r', 'u', 'e'};
|
||
json j;
|
||
json::parser(nlohmann::detail::input_adapter(std::begin(v), std::end(v))).parse(true, j);
|
||
CHECK(j == json(true));
|
||
}
|
||
|
||
SECTION("from std::valarray")
|
||
{
|
||
std::valarray<uint8_t> v = {'t', 'r', 'u', 'e'};
|
||
json j;
|
||
json::parser(nlohmann::detail::input_adapter(std::begin(v), std::end(v))).parse(true, j);
|
||
CHECK(j == json(true));
|
||
}
|
||
}
|
||
}
|