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✅ improved test coverage

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This commit is contained in:
Niels Lohmann
2018-01-14 17:22:06 +01:00
parent 6965ff00c8
commit f85f4967fe
6 changed files with 298 additions and 152 deletions
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409
test/src/unit-ubjson.cpp
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@ -1172,96 +1172,291 @@ TEST_CASE("UBJSON")
"[json.exception.parse_error.110] parse error at 1: unexpected end of input");
}
SECTION("too short byte vector")
{
}
SECTION("unsupported bytes")
{
SECTION("concrete examples")
{
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0x1c})), json::parse_error&);
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0x1c})),
"[json.exception.parse_error.112] parse error at 1: error reading CBOR; last byte: 0x1C");
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0xf8})), json::parse_error&);
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0xf8})),
"[json.exception.parse_error.112] parse error at 1: error reading CBOR; last byte: 0xF8");
}
SECTION("all unsupported bytes")
{
for (auto byte :
{
// ?
0x1c, 0x1d, 0x1e, 0x1f,
// ?
0x3c, 0x3d, 0x3e, 0x3f,
// byte strings
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
// byte strings
0x58, 0x59, 0x5a, 0x5b,
// ?
0x5c, 0x5d, 0x5e,
// byte string
0x5f,
// ?
0x7c, 0x7d, 0x7e,
// ?
0x9c, 0x9d, 0x9e,
// ?
0xbc, 0xbd, 0xbe,
// date/time
0xc0, 0xc1,
// bignum
0xc2, 0xc3,
// fraction
0xc4,
// bigfloat
0xc5,
// tagged item
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
// expected conversion
0xd5, 0xd6, 0xd7,
// more tagged items
0xd8, 0xd9, 0xda, 0xdb,
// ?
0xdc, 0xdd, 0xde, 0xdf,
// (simple value)
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3,
// undefined
0xf7,
// simple value
0xf8
})
{
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({static_cast<uint8_t>(byte)})), json::parse_error&);
}
}
}
SECTION("invalid string in map")
{
CHECK_THROWS_AS(json::from_cbor(std::vector<uint8_t>({0xa1, 0xff, 0x01})), json::parse_error&);
CHECK_THROWS_WITH(json::from_cbor(std::vector<uint8_t>({0xa1, 0xff, 0x01})),
"[json.exception.parse_error.113] parse error at 2: expected a CBOR string; last byte: 0xFF");
}
SECTION("strict mode")
{
std::vector<uint8_t> vec = {0xf6, 0xf6};
std::vector<uint8_t> vec = {'Z', 'Z'};
SECTION("non-strict mode")
{
const auto result = json::from_cbor(vec, false);
const auto result = json::from_ubjson(vec, false);
CHECK(result == json());
}
SECTION("strict mode")
{
CHECK_THROWS_AS(json::from_cbor(vec), json::parse_error&);
CHECK_THROWS_WITH(json::from_cbor(vec),
CHECK_THROWS_AS(json::from_ubjson(vec), json::parse_error&);
CHECK_THROWS_WITH(json::from_ubjson(vec),
"[json.exception.parse_error.110] parse error at 2: expected end of input");
}
}
SECTION("number out of range")
{
// larger than max int64
json j = 9223372036854775808llu;
CHECK_THROWS_AS(json::to_ubjson(j), json::out_of_range);
CHECK_THROWS_WITH(json::to_ubjson(j), "[json.exception.out_of_range.407] number overflow serializing 9223372036854775808");
}
}
SECTION("parsing values")
{
SECTION("strings")
{
// create a single-character string for all number types
std::vector<uint8_t> s_i = {'S', 'i', 1, 'a'};
std::vector<uint8_t> s_U = {'S', 'U', 1, 'a'};
std::vector<uint8_t> s_I = {'S', 'I', 0, 1, 'a'};
std::vector<uint8_t> s_l = {'S', 'l', 0, 0, 0, 1, 'a'};
std::vector<uint8_t> s_L = {'S', 'L', 0, 0, 0, 0, 0, 0, 0, 1, 'a'};
// check if string is parsed correctly to "a"
CHECK(json::from_ubjson(s_i) == "a");
CHECK(json::from_ubjson(s_U) == "a");
CHECK(json::from_ubjson(s_I) == "a");
CHECK(json::from_ubjson(s_l) == "a");
CHECK(json::from_ubjson(s_L) == "a");
// roundtrip: output should be optimized
CHECK(json::to_ubjson(json::from_ubjson(s_i)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_U)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_I)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_l)) == s_i);
CHECK(json::to_ubjson(json::from_ubjson(s_L)) == s_i);
}
SECTION("number")
{
SECTION("float")
{
// float32
std::vector<uint8_t> v_d = {'d', 0x40, 0x49, 0x0f, 0xd0};
CHECK(json::from_ubjson(v_d) == 3.14159f);
// float64
std::vector<uint8_t> v_D = {'D', 0x40, 0x09, 0x21, 0xf9, 0xf0, 0x1b, 0x86, 0x6e};
CHECK(json::from_ubjson(v_D) == 3.14159);
// float32 is serialized as float64 as the library does not support float32
CHECK(json::to_ubjson(json::from_ubjson(v_d)) == json::to_ubjson(3.14159f));
}
}
SECTION("array")
{
SECTION("optimized version (length only)")
{
// create vector with two elements of the same type
std::vector<uint8_t> v_T = {'[', '#', 'i', 2, 'T', 'T'};
std::vector<uint8_t> v_F = {'[', '#', 'i', 2, 'F', 'F'};
std::vector<uint8_t> v_Z = {'[', '#', 'i', 2, 'Z', 'Z'};
std::vector<uint8_t> v_i = {'[', '#', 'i', 2, 'i', 0x7F, 'i', 0x7F};
std::vector<uint8_t> v_U = {'[', '#', 'i', 2, 'U', 0xFF, 'U', 0xFF};
std::vector<uint8_t> v_I = {'[', '#', 'i', 2, 'I', 0x7F, 0xFF, 'I', 0x7F, 0xFF};
std::vector<uint8_t> v_l = {'[', '#', 'i', 2, 'l', 0x7F, 0xFF, 0xFF, 0xFF, 'l', 0x7F, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_L = {'[', '#', 'i', 2, 'L', 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 'L', 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_D = {'[', '#', 'i', 2, 'D', 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a, 'D', 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a};
std::vector<uint8_t> v_S = {'[', '#', 'i', 2, 'S', 'i', 1, 'a', 'S', 'i', 1, 'a'};
std::vector<uint8_t> v_C = {'[', '#', 'i', 2, 'C', 'a', 'C', 'a'};
// check if vector is parsed correctly
CHECK(json::from_ubjson(v_T) == json({true, true}));
CHECK(json::from_ubjson(v_F) == json({false, false}));
CHECK(json::from_ubjson(v_Z) == json({nullptr, nullptr}));
CHECK(json::from_ubjson(v_i) == json({127, 127}));
CHECK(json::from_ubjson(v_U) == json({255, 255}));
CHECK(json::from_ubjson(v_I) == json({32767, 32767}));
CHECK(json::from_ubjson(v_l) == json({2147483647, 2147483647}));
CHECK(json::from_ubjson(v_L) == json({9223372036854775807, 9223372036854775807}));
CHECK(json::from_ubjson(v_D) == json({3.1415926, 3.1415926}));
CHECK(json::from_ubjson(v_S) == json({"a", "a"}));
CHECK(json::from_ubjson(v_C) == json({"a", "a"}));
// roundtrip: output should be optimized
CHECK(json::to_ubjson(json::from_ubjson(v_T), true) == v_T);
CHECK(json::to_ubjson(json::from_ubjson(v_F), true) == v_F);
CHECK(json::to_ubjson(json::from_ubjson(v_Z), true) == v_Z);
CHECK(json::to_ubjson(json::from_ubjson(v_i), true) == v_i);
CHECK(json::to_ubjson(json::from_ubjson(v_U), true) == v_U);
CHECK(json::to_ubjson(json::from_ubjson(v_I), true) == v_I);
CHECK(json::to_ubjson(json::from_ubjson(v_l), true) == v_l);
CHECK(json::to_ubjson(json::from_ubjson(v_L), true) == v_L);
CHECK(json::to_ubjson(json::from_ubjson(v_D), true) == v_D);
CHECK(json::to_ubjson(json::from_ubjson(v_S), true) == v_S);
CHECK(json::to_ubjson(json::from_ubjson(v_C), true) == v_S); // char is serialized to string
}
SECTION("optimized version (type and length)")
{
// create vector with two elements of the same type
std::vector<uint8_t> v_N = {'[', '$', 'N', '#', 'i', 2};
std::vector<uint8_t> v_T = {'[', '$', 'T', '#', 'i', 2};
std::vector<uint8_t> v_F = {'[', '$', 'F', '#', 'i', 2};
std::vector<uint8_t> v_Z = {'[', '$', 'Z', '#', 'i', 2};
std::vector<uint8_t> v_i = {'[', '$', 'i', '#', 'i', 2, 0x7F, 0x7F};
std::vector<uint8_t> v_U = {'[', '$', 'U', '#', 'i', 2, 0xFF, 0xFF};
std::vector<uint8_t> v_I = {'[', '$', 'I', '#', 'i', 2, 0x7F, 0xFF, 0x7F, 0xFF};
std::vector<uint8_t> v_l = {'[', '$', 'l', '#', 'i', 2, 0x7F, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_L = {'[', '$', 'L', '#', 'i', 2, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
std::vector<uint8_t> v_D = {'[', '$', 'D', '#', 'i', 2, 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a, 0x40, 0x09, 0x21, 0xfb, 0x4d, 0x12, 0xd8, 0x4a};
std::vector<uint8_t> v_S = {'[', '$', 'S', '#', 'i', 2, 'i', 1, 'a', 'i', 1, 'a'};
std::vector<uint8_t> v_C = {'[', '$', 'C', '#', 'i', 2, 'a', 'a'};
// check if vector is parsed correctly
CHECK(json::from_ubjson(v_N) == json::array());
CHECK(json::from_ubjson(v_T) == json({true, true}));
CHECK(json::from_ubjson(v_F) == json({false, false}));
CHECK(json::from_ubjson(v_Z) == json({nullptr, nullptr}));
CHECK(json::from_ubjson(v_i) == json({127, 127}));
CHECK(json::from_ubjson(v_U) == json({255, 255}));
CHECK(json::from_ubjson(v_I) == json({32767, 32767}));
CHECK(json::from_ubjson(v_l) == json({2147483647, 2147483647}));
CHECK(json::from_ubjson(v_L) == json({9223372036854775807, 9223372036854775807}));
CHECK(json::from_ubjson(v_D) == json({3.1415926, 3.1415926}));
CHECK(json::from_ubjson(v_S) == json({"a", "a"}));
CHECK(json::from_ubjson(v_C) == json({"a", "a"}));
// roundtrip: output should be optimized
std::vector<uint8_t> v_empty = {'[', '#', 'i', 0};
CHECK(json::to_ubjson(json::from_ubjson(v_N), true, true) == v_empty);
CHECK(json::to_ubjson(json::from_ubjson(v_T), true, true) == v_T);
CHECK(json::to_ubjson(json::from_ubjson(v_F), true, true) == v_F);
CHECK(json::to_ubjson(json::from_ubjson(v_Z), true, true) == v_Z);
CHECK(json::to_ubjson(json::from_ubjson(v_i), true, true) == v_i);
CHECK(json::to_ubjson(json::from_ubjson(v_U), true, true) == v_U);
CHECK(json::to_ubjson(json::from_ubjson(v_I), true, true) == v_I);
CHECK(json::to_ubjson(json::from_ubjson(v_l), true, true) == v_l);
CHECK(json::to_ubjson(json::from_ubjson(v_L), true, true) == v_L);
CHECK(json::to_ubjson(json::from_ubjson(v_D), true, true) == v_D);
CHECK(json::to_ubjson(json::from_ubjson(v_S), true, true) == v_S);
CHECK(json::to_ubjson(json::from_ubjson(v_C), true, true) == v_S); // char is serialized to string
}
}
}
SECTION("parse errors")
{
SECTION("char")
{
SECTION("eof after C byte")
{
std::vector<uint8_t> v = {'C'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at 2: unexpected end of input");
}
SECTION("byte out of range")
{
std::vector<uint8_t> v = {'C', 130};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.113] parse error at 2: byte after 'C' must be in range 0x00..0x7F; last byte: 0x82");
}
}
SECTION("strings")
{
SECTION("eof after S byte")
{
std::vector<uint8_t> v = {'S'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.110] parse error at 2: unexpected end of input");
}
SECTION("invalid byte")
{
std::vector<uint8_t> v = {'S', '1', 'a'};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.113] parse error at 2: expected a UBJSON string; last byte: 0x31");
}
}
SECTION("array")
{
SECTION("optimized array: no size following type")
{
std::vector<uint8_t> v = {'[', '$', 'i', 2};
CHECK_THROWS_AS(json::from_ubjson(v), json::parse_error);
CHECK_THROWS_WITH(json::from_ubjson(v), "[json.exception.parse_error.112] parse error at 4: expected '#' after UBJSON type information; last byte: 0x02");
}
}
}
SECTION("writing optimized values")
{
SECTION("integer")
{
SECTION("array of i")
{
json j = {1, 2};
std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 2, 1, 2};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of U")
{
json j = {200, 201};
std::vector<uint8_t> expected = {'[', '$', 'U', '#', 'i', 2, 0xC8, 0xC9};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of I")
{
json j = {30000, 30001};
std::vector<uint8_t> expected = {'[', '$', 'I', '#', 'i', 2, 0x75, 0x30, 0x75, 0x31};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of l")
{
json j = {70000, 70001};
std::vector<uint8_t> expected = {'[', '$', 'l', '#', 'i', 2, 0x00, 0x01, 0x11, 0x70, 0x00, 0x01, 0x11, 0x71};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of L")
{
json j = {5000000000, 5000000001};
std::vector<uint8_t> expected = {'[', '$', 'L', '#', 'i', 2, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x01};
CHECK(json::to_ubjson(j, true, true) == expected);
}
}
SECTION("unsigned integer")
{
SECTION("array of i")
{
json j = {1u, 2u};
std::vector<uint8_t> expected = {'[', '$', 'i', '#', 'i', 2, 1, 2};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of U")
{
json j = {200u, 201u};
std::vector<uint8_t> expected = {'[', '$', 'U', '#', 'i', 2, 0xC8, 0xC9};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of I")
{
json j = {30000u, 30001u};
std::vector<uint8_t> expected = {'[', '$', 'I', '#', 'i', 2, 0x75, 0x30, 0x75, 0x31};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of l")
{
json j = {70000u, 70001u};
std::vector<uint8_t> expected = {'[', '$', 'l', '#', 'i', 2, 0x00, 0x01, 0x11, 0x70, 0x00, 0x01, 0x11, 0x71};
CHECK(json::to_ubjson(j, true, true) == expected);
}
SECTION("array of L")
{
json j = {5000000000u, 5000000001u};
std::vector<uint8_t> expected = {'[', '$', 'L', '#', 'i', 2, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x00, 0x00, 0x00, 0x00, 0x01, 0x2A, 0x05, 0xF2, 0x01};
CHECK(json::to_ubjson(j, true, true) == expected);
}
}
}
}
@ -1871,73 +2066,29 @@ TEST_CASE("Universal Binary JSON Specification Examples 2")
*/
/*
TEST_CASE("all first bytes", "[!throws]")
{
// these bytes will fail immediately with exception parse_error.112
std::set<uint8_t> unsupported =
std::set<uint8_t> supported =
{
//// types not supported by this library
// byte strings
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
// byte strings
0x58, 0x59, 0x5a, 0x5b, 0x5f,
// date/time
0xc0, 0xc1,
// bignum
0xc2, 0xc3,
// decimal fracion
0xc4,
// bigfloat
0xc5,
// tagged item
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd,
0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd8,
0xd9, 0xda, 0xdb,
// expected conversion
0xd5, 0xd6, 0xd7,
// simple value
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xef, 0xf0,
0xf1, 0xf2, 0xf3,
0xf8,
// undefined
0xf7,
//// bytes not specified by CBOR
0x1c, 0x1d, 0x1e, 0x1f,
0x3c, 0x3d, 0x3e, 0x3f,
0x5c, 0x5d, 0x5e,
0x7c, 0x7d, 0x7e,
0x9c, 0x9d, 0x9e,
0xbc, 0xbd, 0xbe,
0xdc, 0xdd, 0xde, 0xdf,
0xee,
0xfc, 0xfe, 0xfd,
/// break cannot be the first byte
0xff
'T', 'F', 'Z', 'U', 'i', 'I', 'l', 'L', 'd', 'D', 'C', 'S', '[', '{', 'N'
};
for (auto i = 0; i < 256; ++i)
{
const auto byte = static_cast<uint8_t>(i);
CAPTURE(byte);
try
{
json::from_cbor(std::vector<uint8_t>(1, byte));
json::from_ubjson(std::vector<uint8_t>(1, byte));
}
catch (const json::parse_error& e)
{
// check that parse_error.112 is only thrown if the
// first byte is in the unsupported set
// first byte is not in the supported set
CAPTURE(e.what());
if (std::find(unsupported.begin(), unsupported.end(), byte) != unsupported.end())
if (std::find(supported.begin(), supported.end(), byte) == supported.end())
{
CHECK(e.id == 112);
}
@ -1948,4 +2099,4 @@ TEST_CASE("all first bytes", "[!throws]")
}
}
}
*/