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Add missing testcase about NaN in unit-constructor1.cpp

This commit is contained in:
chenguoping 2020-04-16 10:23:21 +08:00
parent 19843b038c
commit c379d02b3e

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@ -813,6 +813,21 @@ TEST_CASE("constructors")
CHECK(j.type() == json::value_t::number_float);
}
SECTION("NaN")
{
// NaN is stored properly, but serialized to null
json::number_float_t n(std::numeric_limits<json::number_float_t>::quiet_NaN());
json j(n);
CHECK(j.type() == json::value_t::number_float);
// check round trip of NaN
json::number_float_t d = j;
CHECK((std::isnan(d) and std::isnan(n)) == true);
// check that NaN is serialized to null
CHECK(j.dump() == "null");
}
SECTION("infinity")
{
// infinity is stored properly, but serialized to null