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✅ more CBOR test cases

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This commit is contained in:
Niels Lohmann 2016-12-07 22:50:10 +01:00
parent b7e0c12966
commit 3a0f5398a2
1 changed files with 165 additions and 21 deletions
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186
test/src/unit-cbor.cpp
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@ -37,6 +37,14 @@ TEST_CASE("CBOR")
{ {
SECTION("individual values") SECTION("individual values")
{ {
SECTION("discarded")
{
// discarded values are not serialized
json j = json::value_t::discarded;
const auto result = json::to_cbor(j);
CHECK(result.empty());
}
SECTION("null") SECTION("null")
{ {
json j = nullptr; json j = nullptr;
@ -413,9 +421,9 @@ TEST_CASE("CBOR")
SECTION("unsigned") SECTION("unsigned")
{ {
SECTION("0..127 (positive fixnum)") SECTION("0..23 (Integer)")
{ {
for (size_t i = 0; i <= 127; ++i) for (size_t i = 0; i <= 23; ++i)
{ {
CAPTURE(i); CAPTURE(i);
@ -430,7 +438,7 @@ TEST_CASE("CBOR")
expected.push_back(static_cast<uint8_t>(i)); expected.push_back(static_cast<uint8_t>(i));
// compare result + size // compare result + size
const auto result = json::to_msgpack(j); const auto result = json::to_cbor(j);
CHECK(result == expected); CHECK(result == expected);
CHECK(result.size() == 1); CHECK(result.size() == 1);
@ -438,13 +446,13 @@ TEST_CASE("CBOR")
CHECK(result[0] == i); CHECK(result[0] == i);
// roundtrip // roundtrip
CHECK(json::from_msgpack(result) == j); CHECK(json::from_cbor(result) == j);
} }
} }
SECTION("128..255 (uint 8)") SECTION("24..255 (one-byte uint8_t)")
{ {
for (size_t i = 128; i <= 255; ++i) for (size_t i = 24; i <= 255; ++i)
{ {
CAPTURE(i); CAPTURE(i);
@ -456,25 +464,25 @@ TEST_CASE("CBOR")
// create expected byte vector // create expected byte vector
std::vector<uint8_t> expected; std::vector<uint8_t> expected;
expected.push_back(0xcc); expected.push_back(0x18);
expected.push_back(static_cast<uint8_t>(i)); expected.push_back(static_cast<uint8_t>(i));
// compare result + size // compare result + size
const auto result = json::to_msgpack(j); const auto result = json::to_cbor(j);
CHECK(result == expected); CHECK(result == expected);
CHECK(result.size() == 2); CHECK(result.size() == 2);
// check individual bytes // check individual bytes
CHECK(result[0] == 0xcc); CHECK(result[0] == 0x18);
uint8_t restored = static_cast<uint8_t>(result[1]); uint8_t restored = static_cast<uint8_t>(result[1]);
CHECK(restored == i); CHECK(restored == i);
// roundtrip // roundtrip
CHECK(json::from_msgpack(result) == j); CHECK(json::from_cbor(result) == j);
} }
} }
SECTION("256..65535 (uint 16)") SECTION("256..65535 (two-byte uint16_t)")
{ {
for (size_t i = 256; i <= 65535; ++i) for (size_t i = 256; i <= 65535; ++i)
{ {
@ -488,26 +496,26 @@ TEST_CASE("CBOR")
// create expected byte vector // create expected byte vector
std::vector<uint8_t> expected; std::vector<uint8_t> expected;
expected.push_back(0xcd); expected.push_back(0x19);
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff)); expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff)); expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size // compare result + size
const auto result = json::to_msgpack(j); const auto result = json::to_cbor(j);
CHECK(result == expected); CHECK(result == expected);
CHECK(result.size() == 3); CHECK(result.size() == 3);
// check individual bytes // check individual bytes
CHECK(result[0] == 0xcd); CHECK(result[0] == 0x19);
uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]); uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]);
CHECK(restored == i); CHECK(restored == i);
// roundtrip // roundtrip
CHECK(json::from_msgpack(result) == j); CHECK(json::from_cbor(result) == j);
} }
} }
SECTION("65536..4294967295 (uint 32)") SECTION("65536..4294967295 (four-byte uint32_t)")
{ {
for (uint32_t i : for (uint32_t i :
{ {
@ -524,19 +532,19 @@ TEST_CASE("CBOR")
// create expected byte vector // create expected byte vector
std::vector<uint8_t> expected; std::vector<uint8_t> expected;
expected.push_back(0xce); expected.push_back(0x1a);
expected.push_back(static_cast<uint8_t>((i >> 24) & 0xff)); expected.push_back(static_cast<uint8_t>((i >> 24) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 16) & 0xff)); expected.push_back(static_cast<uint8_t>((i >> 16) & 0xff));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff)); expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff)); expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size // compare result + size
const auto result = json::to_msgpack(j); const auto result = json::to_cbor(j);
CHECK(result == expected); CHECK(result == expected);
CHECK(result.size() == 5); CHECK(result.size() == 5);
// check individual bytes // check individual bytes
CHECK(result[0] == 0xce); CHECK(result[0] == 0x1a);
uint32_t restored = static_cast<uint32_t>((static_cast<uint32_t>(result[1]) << 030) + uint32_t restored = static_cast<uint32_t>((static_cast<uint32_t>(result[1]) << 030) +
(static_cast<uint32_t>(result[2]) << 020) + (static_cast<uint32_t>(result[2]) << 020) +
(static_cast<uint32_t>(result[3]) << 010) + (static_cast<uint32_t>(result[3]) << 010) +
@ -544,11 +552,11 @@ TEST_CASE("CBOR")
CHECK(restored == i); CHECK(restored == i);
// roundtrip // roundtrip
CHECK(json::from_msgpack(result) == j); CHECK(json::from_cbor(result) == j);
} }
} }
SECTION("4294967296..4611686018427387903") SECTION("4294967296..4611686018427387903 (eight-byte uint64_t)")
{ {
for (uint64_t i : for (uint64_t i :
{ {
@ -801,6 +809,58 @@ TEST_CASE("CBOR")
// roundtrip // roundtrip
CHECK(json::from_cbor(result) == j); CHECK(json::from_cbor(result) == j);
} }
SECTION("array with uint16_t elements")
{
json j(257, nullptr);
std::vector<uint8_t> expected(j.size() + 3, 0xf6); // all null
expected[0] = 0x99; // array 16 bit
expected[1] = 0x01; // size (0x0101), byte 0
expected[2] = 0x01; // size (0x0101), byte 1
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("array with uint32_t elements")
{
json j(65793, nullptr);
std::vector<uint8_t> expected(j.size() + 5, 0xf6); // all null
expected[0] = 0x9a; // array 32 bit
expected[1] = 0x00; // size (0x00010101), byte 0
expected[2] = 0x01; // size (0x00010101), byte 1
expected[3] = 0x01; // size (0x00010101), byte 2
expected[4] = 0x01; // size (0x00010101), byte 3
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
/*
SECTION("array with uint64_t elements")
{
json j(4294967296, nullptr);
std::vector<uint8_t> expected(j.size() + 9, 0xf6); // all null
expected[0] = 0x9b; // array 64 bit
expected[1] = 0x00; // size (0x0000000100000000), byte 0
expected[2] = 0x00; // size (0x0000000100000000), byte 1
expected[3] = 0x00; // size (0x0000000100000000), byte 2
expected[4] = 0x01; // size (0x0000000100000000), byte 3
expected[5] = 0x00; // size (0x0000000100000000), byte 4
expected[6] = 0x00; // size (0x0000000100000000), byte 5
expected[7] = 0x00; // size (0x0000000100000000), byte 6
expected[8] = 0x00; // size (0x0000000100000000), byte 7
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
*/
} }
SECTION("object") SECTION("object")
@ -840,6 +900,90 @@ TEST_CASE("CBOR")
// roundtrip // roundtrip
CHECK(json::from_cbor(result) == j); CHECK(json::from_cbor(result) == j);
} }
SECTION("object with uint8_t elements")
{
json j;
for (auto i = 0; i < 255; ++i)
{
// format i to a fixed width of 5
// each entry will need 7 bytes: 6 for string, 1 for null
std::stringstream ss;
ss << std::setw(5) << std::setfill('0') << i;
j.emplace(ss.str(), nullptr);
}
const auto result = json::to_cbor(j);
// Checking against an expected vector byte by byte is
// difficult, because no assumption on the order of key/value
// pairs are made. We therefore only check the prefix (type and
// size and the overall size. The rest is then handled in the
// roundtrip check.
CHECK(result.size() == 1787); // 1 type, 1 size, 255*7 content
CHECK(result[0] == 0xb8); // map 8 bit
CHECK(result[1] == 0xff); // size byte (0xff)
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("object with uint16_t elements")
{
json j;
for (auto i = 0; i < 256; ++i)
{
// format i to a fixed width of 5
// each entry will need 7 bytes: 6 for string, 1 for null
std::stringstream ss;
ss << std::setw(5) << std::setfill('0') << i;
j.emplace(ss.str(), nullptr);
}
const auto result = json::to_cbor(j);
// Checking against an expected vector byte by byte is
// difficult, because no assumption on the order of key/value
// pairs are made. We therefore only check the prefix (type and
// size and the overall size. The rest is then handled in the
// roundtrip check.
CHECK(result.size() == 1795); // 1 type, 2 size, 256*7 content
CHECK(result[0] == 0xb9); // map 16 bit
CHECK(result[1] == 0x01); // byte 0 of size (0x0100)
CHECK(result[2] == 0x00); // byte 1 of size (0x0100)
// roundtrip
CHECK(json::from_cbor(result) == j);
}
SECTION("object with uint32_t elements")
{
json j;
for (auto i = 0; i < 65536; ++i)
{
// format i to a fixed width of 5
// each entry will need 7 bytes: 6 for string, 1 for null
std::stringstream ss;
ss << std::setw(5) << std::setfill('0') << i;
j.emplace(ss.str(), nullptr);
}
const auto result = json::to_cbor(j);
// Checking against an expected vector byte by byte is
// difficult, because no assumption on the order of key/value
// pairs are made. We therefore only check the prefix (type and
// size and the overall size. The rest is then handled in the
// roundtrip check.
CHECK(result.size() == 458757); // 1 type, 4 size, 65536*7 content
CHECK(result[0] == 0xba); // map 32 bit
CHECK(result[1] == 0x00); // byte 0 of size (0x00010000)
CHECK(result[2] == 0x01); // byte 1 of size (0x00010000)
CHECK(result[3] == 0x00); // byte 2 of size (0x00010000)
CHECK(result[4] == 0x00); // byte 3 of size (0x00010000)
// roundtrip
CHECK(json::from_cbor(result) == j);
}
} }
} }
} }