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🐛 re-added support for std::valarray #702

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This commit is contained in:
Niels Lohmann
2017-08-22 23:28:23 +02:00
parent 41b2c69bdb
commit 9fd031b6f4
4 changed files with 113 additions and 5 deletions
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29
test/src/unit-regression.cpp
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@ -1204,4 +1204,33 @@ TEST_CASE("regression tests")
std::string i = "\xef\xbb\xbf{\n \"foo\": true\n}";
CHECK_NOTHROW(json::parse(i.begin(), i.end()));
}
SECTION("issue #702 - conversion from valarray<double> to json fails to build")
{
SECTION("original example")
{
std::valarray<double> v;
nlohmann::json j;
j["test"] = v;
}
SECTION("full example")
{
std::valarray<double> v = {1.2, 2.3, 3.4, 4.5};
json j = v;
std::valarray<double> vj = j;
CHECK(j == json(vj));
CHECK(v.size() == vj.size());
for (size_t i = 0; i < v.size(); ++i)
{
CHECK(v[i] == vj[i]);
CHECK(v[i] == j[i]);
}
CHECK_THROWS_AS(json().get<std::valarray<double>>(), json::type_error&);
CHECK_THROWS_WITH(json().get<std::valarray<double>>(),
"[json.exception.type_error.302] type must be array, but is null");
}
}
}