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add somes test cases

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This commit is contained in:
chenguoping 2020-05-15 21:48:29 +08:00
parent 5dd27f1a9f
commit ed9c205b5d
1 changed files with 59 additions and 0 deletions
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59
test/src/unit-cbor.cpp
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@ -923,6 +923,65 @@ TEST_CASE("CBOR")
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result) == v);
}
SECTION("3.40282e+38(max float)")
{
float v = std::numeric_limits<float>::max();
json j = v;
std::vector<uint8_t> expected =
{
0xfa, 0x7f, 0x7f, 0xff, 0xff
};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result) == v);
}
SECTION("-3.40282e+38(lowest float)")
{
double v = std::numeric_limits<float>::lowest();
json j = v;
std::vector<uint8_t> expected =
{
0xfa, 0xff, 0x7f, 0xff, 0xff
};
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result) == v);
}
SECTION("1 + 3.40282e+38(more than max float)")
{
double v = std::numeric_limits<float>::max() + 0.1e+34;
json j = v;
std::vector<uint8_t> expected =
{
0xfb, 0x47, 0xf0, 0x00, 0x03, 0x04, 0xdc, 0x64, 0x49
};
// double
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result) == v);
}
SECTION("-1 - 3.40282e+38(less than lowest float)")
{
double v = std::numeric_limits<float>::lowest() - 1;
json j = v;
std::vector<uint8_t> expected =
{
0xfa, 0xff, 0x7f, 0xff, 0xff
};
// the same with lowest float
const auto result = json::to_cbor(j);
CHECK(result == expected);
// roundtrip
CHECK(json::from_cbor(result) == j);
CHECK(json::from_cbor(result) == v);
}
}
SECTION("half-precision float (edge cases)")