add some test cases

This commit is contained in:
chenguoping 2020-06-10 19:27:57 +08:00
parent 71830be06d
commit a3df26b771

View file

@ -148,6 +148,45 @@ TEST_CASE("element access 2")
SECTION("access specified element with default value") SECTION("access specified element with default value")
{ {
SECTION("move semantics")
{
SECTION("json is rvalue")
{
json j = {{"x", "123"}};
std::string defval = "default";
auto val = std::move(j).value("x", defval);
CHECK(j["x"] == "");
CHECK(defval == "default");
CHECK(val == "123");
}
SECTION("default is rvalue")
{
json j = {{"x", "123"}};
std::string defval = "default";
auto val = std::move(j).value("y", std::move(defval));
CHECK(j["x"] == "123");
CHECK(defval == "");
CHECK(val == "default");
}
SECTION("access on non-object value")
{
json j_nonobject(json::value_t::array);
const json j_nonobject_const(j_nonobject);
std::string defval = "default";
CHECK_THROWS_AS(std::move(j_nonobject).value("foo", defval), json::type_error&);
CHECK_THROWS_AS(std::move(j_nonobject_const).value("foo", defval), json::type_error&);
CHECK_THROWS_WITH(std::move(j_nonobject).value("foo", defval),
"[json.exception.type_error.306] cannot use value() with array");
CHECK_THROWS_WITH(std::move(j_nonobject_const).value("foo", defval),
"[json.exception.type_error.306] cannot use value() with array");
}
}
SECTION("given a key") SECTION("given a key")
{ {
SECTION("access existing value") SECTION("access existing value")