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https://github.com/nlohmann/json
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🔨 added user-defined exception 112
This commit is contained in:
Niels Lohmann
parent
757d2c6c7a
commit
625cf7e3f7
@ -174,6 +174,7 @@ json.exception.[parse_error](@ref parse_error).108 | "parse error: escape charac
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json.exception.[parse_error](@ref parse_error).109 | "parse error: array index 'one' is not a number" | A JSON Pointer array index must be a number.
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json.exception.[parse_error](@ref parse_error).110 | "parse error at 1: cannot read 2 bytes from vector" | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read.
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json.exception.[parse_error](@ref parse_error).111 | "parse error: bad input stream" | Parsing CBOR or MessagePack from an input stream where the `badbit` or `failbit` is set.
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json.exception.[parse_error](@ref parse_error).112 | "parse error at 1: error reading CBOR; last byte: 0xf8" | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read.
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@since version 3.0.0
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*/
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@ -8175,7 +8176,9 @@ class basic_json
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default:
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{
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JSON_THROW(std::invalid_argument("error parsing a msgpack @ " + std::to_string(current_idx) + ": " + std::to_string(static_cast<int>(v[current_idx]))));
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std::stringstream ss;
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ss << std::hex << static_cast<int>(v[current_idx]);
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JSON_THROW(parse_error(112, current_idx + 1, "error reading MessagePack; last byte: 0x" + ss.str()));
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}
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}
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}
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@ -8666,7 +8669,9 @@ class basic_json
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default: // anything else (0xFF is handled inside the other types)
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{
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JSON_THROW(std::invalid_argument("error parsing a CBOR @ " + std::to_string(current_idx) + ": " + std::to_string(static_cast<int>(v[current_idx]))));
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std::stringstream ss;
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ss << std::hex << static_cast<int>(v[current_idx]);
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JSON_THROW(parse_error(112, current_idx + 1, "error reading CBOR; last byte: 0x" + ss.str()));
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}
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}
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}
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@ -174,6 +174,7 @@ json.exception.[parse_error](@ref parse_error).108 | "parse error: escape charac
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json.exception.[parse_error](@ref parse_error).109 | "parse error: array index 'one' is not a number" | A JSON Pointer array index must be a number.
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json.exception.[parse_error](@ref parse_error).110 | "parse error at 1: cannot read 2 bytes from vector" | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read.
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json.exception.[parse_error](@ref parse_error).111 | "parse error: bad input stream" | Parsing CBOR or MessagePack from an input stream where the `badbit` or `failbit` is set.
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json.exception.[parse_error](@ref parse_error).112 | "parse error at 1: error reading CBOR; last byte: 0xf8" | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read.
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@since version 3.0.0
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*/
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@ -8175,7 +8176,9 @@ class basic_json
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default:
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{
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JSON_THROW(std::invalid_argument("error parsing a msgpack @ " + std::to_string(current_idx) + ": " + std::to_string(static_cast<int>(v[current_idx]))));
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std::stringstream ss;
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ss << std::hex << static_cast<int>(v[current_idx]);
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JSON_THROW(parse_error(112, current_idx + 1, "error reading MessagePack; last byte: 0x" + ss.str()));
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}
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}
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}
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@ -8666,7 +8669,9 @@ class basic_json
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default: // anything else (0xFF is handled inside the other types)
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{
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JSON_THROW(std::invalid_argument("error parsing a CBOR @ " + std::to_string(current_idx) + ": " + std::to_string(static_cast<int>(v[current_idx]))));
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std::stringstream ss;
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ss << std::hex << static_cast<int>(v[current_idx]);
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JSON_THROW(parse_error(112, current_idx + 1, "error reading CBOR; last byte: 0x" + ss.str()));
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}
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}
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}
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@ -1192,6 +1192,69 @@ TEST_CASE("CBOR")
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CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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}
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SECTION("unsupported bytes")
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{
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SECTION("concrete examples")
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{
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CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1c})), json::parse_error);
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CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1c})),
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"[json.exception.parse_error.112] parse error at 1: error reading CBOR; last byte: 0x1c");
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CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0xf8})), json::parse_error);
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CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0xf8})),
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"[json.exception.parse_error.112] parse error at 1: error reading CBOR; last byte: 0xf8");
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}
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SECTION("all unsupported bytes")
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{
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for (auto byte :
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{
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// ?
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0x1c, 0x1d, 0x1e, 0x1f,
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// ?
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0x3c, 0x3d, 0x3e, 0x3f,
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// byte strings
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
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// byte strings
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0x58, 0x59, 0x5a, 0x5b,
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// ?
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0x5c, 0x5d, 0x5e,
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// byte string
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0x5f,
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// ?
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0x7c, 0x7d, 0x7e,
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// ?
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0x9c, 0x9d, 0x9e,
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// ?
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0xbc, 0xbd, 0xbe,
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// date/time
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0xc0, 0xc1,
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// bignum
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0xc2, 0xc3,
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// fraction
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0xc4,
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// bigfloat
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0xc5,
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// tagged item
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0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
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// expected conversion
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0xd5, 0xd6, 0xd7,
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// more tagged items
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0xd8, 0xd9, 0xda, 0xdb,
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// ?
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0xdc, 0xdd, 0xde, 0xdf,
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// (simple value)
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0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
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// undefined
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0xf7,
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// simple value
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0xf8
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})
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{
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CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({static_cast<uint8_t>(byte)})), json::parse_error);
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}
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}
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}
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}
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}
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@ -1016,6 +1016,90 @@ TEST_CASE("MessagePack")
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json j = json::from_msgpack(given);
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CHECK(j.get<double>() == Approx(25.0000019073486));
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}
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SECTION("errors")
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{
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SECTION("too short byte vector")
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{
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcc})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcd})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcd, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xce})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xce, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xce, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xce, 0x00, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})), json::parse_error);
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcc})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 1 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcd})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 2 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcd, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 2 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xce})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xce, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xce, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xce, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 4 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})),
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"[json.exception.parse_error.110] parse error at 1: cannot read 8 bytes from vector");
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}
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SECTION("unsupported bytes")
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{
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SECTION("concrete examples")
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{
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xc1})), json::parse_error);
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xc1})),
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"[json.exception.parse_error.112] parse error at 1: error reading MessagePack; last byte: 0xc1");
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({0xc6})), json::parse_error);
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CHECK_THROWS_WITH(json::from_msgpack(std::vector<uint8_t>({0xc6})),
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"[json.exception.parse_error.112] parse error at 1: error reading MessagePack; last byte: 0xc6");
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}
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SECTION("all unsupported bytes")
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{
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for (auto byte :
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{
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// never used
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0xc1,
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// bin
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0xc4, 0xc5, 0xc6,
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// ext
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0xc7, 0xc8, 0xc9,
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// fixext
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0xd4, 0xd5, 0xd6, 0xd7, 0xd8
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})
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{
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CHECK_THROWS_AS(json::from_msgpack(std::vector<uint8_t>({static_cast<uint8_t>(byte)})), json::parse_error);
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}
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}
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}
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}
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}
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