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🚧 support for UBJSON high-precision numbers #2286

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Niels Lohmann 2020-07-20 13:57:19 +02:00
parent 7360e09830
commit 8aa6da61dc
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GPG key ID: 7F3CEA63AE251B69
4 changed files with 86 additions and 35 deletions
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25
test/src/unit-ubjson.cpp
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@ -32,6 +32,7 @@ SOFTWARE.
#include <nlohmann/json.hpp>
using nlohmann::json;
#include <iostream>
#include <fstream>
#include <set>
#include <test_data.hpp>
@ -803,6 +804,21 @@ TEST_CASE("UBJSON")
std::vector<uint8_t> vec3 = {'H', 2, '1', '0'};
CHECK_THROWS_WITH_AS(json::from_ubjson(vec3), "[json.exception.parse_error.113] parse error at byte 2: syntax error while parsing UBJSON size: expected length type specification (U, i, I, l, L) after '#'; last byte: 0x02", json::parse_error);
}
SECTION("serialization")
{
// number that does not fit int64
json j = 11111111111111111111ULL;
CHECK(j.is_number_unsigned());
// number will be serialized to high-precision number
const auto vec = json::to_ubjson(j);
std::vector<uint8_t> expected = {'H', 'i', 0x14, '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1', '1'};
CHECK(vec == expected);
// roundtrip
CHECK(json::from_ubjson(vec) == j);
}
}
}
@ -1576,15 +1592,6 @@ TEST_CASE("UBJSON")
}
}
SECTION("number out of range")
{
// larger than max int64
json j = 9223372036854775808llu;
json _;
CHECK_THROWS_AS(_ = json::to_ubjson(j), json::out_of_range&);
CHECK_THROWS_WITH(_ = json::to_ubjson(j), "[json.exception.out_of_range.407] integer number 9223372036854775808 cannot be represented by UBJSON as it does not fit int64");
}
SECTION("excessive size")
{
SECTION("array")