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✅ more test cases

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This commit is contained in:
Niels Lohmann 2016-11-29 08:37:27 +01:00
parent 50f647c866
commit c46b4ea990
1 changed files with 111 additions and 0 deletions
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111
test/src/unit-cbor.cpp
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@ -77,6 +77,41 @@ TEST_CASE("CBOR")
{
SECTION("signed")
{
SECTION("-65535..-257")
{
for (int16_t i = -65535; i <= -257; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = i;
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>(0x39));
uint16_t positive = -1 - i;
expected.push_back(static_cast<uint8_t>((positive >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(positive & 0xff));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 0x39);
uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]);
CHECK(restored == positive);
CHECK(-1-restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("-9263 (int 16)")
{
json j = -9263;
@ -214,6 +249,82 @@ TEST_CASE("CBOR")
}
}
SECTION("256..65535")
{
for (size_t i = 256; i <= 65535; ++i)
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(static_cast<uint8_t>(0x19));
expected.push_back(static_cast<uint8_t>((i >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 3);
// check individual bytes
CHECK(result[0] == 0x19);
uint16_t restored = static_cast<uint8_t>(result[1]) * 256 + static_cast<uint8_t>(result[2]);
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
SECTION("65536..4294967295")
{
for (uint32_t i :
{
65536u, 77777u, 1048576u
})
{
CAPTURE(i);
// create JSON value with integer number
json j = -1;
j.get_ref<json::number_integer_t&>() = static_cast<json::number_integer_t>(i);
// check type
CHECK(j.is_number_integer());
// create expected byte vector
std::vector<uint8_t> expected;
expected.push_back(0x1a);
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 >> 8) & 0xff));
expected.push_back(static_cast<uint8_t>(i & 0xff));
// compare result + size
const auto result = json::to_cbor(j);
CHECK(result == expected);
CHECK(result.size() == 5);
// check individual bytes
CHECK(result[0] == 0x1a);
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[3]) << 010) +
static_cast<uint32_t>(result[4]));
CHECK(restored == i);
// roundtrip
CHECK(json::from_cbor(result) == j);
}
}
/*
SECTION("-32768..-129 (int 16)")
{