| 1374 | //------------------------------------------------------ |
| 1375 | |
| 1376 | void |
| 1377 | testLookup() |
| 1378 | { |
| 1379 | object o0; |
| 1380 | object o1({ |
| 1381 | {"a", 1}, |
| 1382 | {"b", true}, |
| 1383 | {"c", "hello"}}); |
| 1384 | auto const& co0 = o0; |
| 1385 | auto const& co1 = o1; |
| 1386 | |
| 1387 | // at(key) & |
| 1388 | { |
| 1389 | BOOST_TEST( |
| 1390 | o1.at("a").is_number()); |
| 1391 | BOOST_TEST_THROWS_WITH_LOCATION( (o1.at("d")) ); |
| 1392 | } |
| 1393 | |
| 1394 | // at(key) const& |
| 1395 | { |
| 1396 | BOOST_TEST( |
| 1397 | co1.at("a").is_number()); |
| 1398 | BOOST_TEST_THROWS_WITH_LOCATION( (co1.at("d")) ); |
| 1399 | } |
| 1400 | |
| 1401 | // at(key) && |
| 1402 | { |
| 1403 | BOOST_TEST( |
| 1404 | std::move(o1).at("a").is_number()); |
| 1405 | BOOST_TEST_THROWS_WITH_LOCATION( (std::move(o1).at("d")) ); |
| 1406 | value&& rv = std::move(o1).at("a"); |
| 1407 | (void)rv; |
| 1408 | } |
| 1409 | |
| 1410 | // try_at(key) & |
| 1411 | { |
| 1412 | BOOST_TEST( o1.try_at("a")->is_number() ); |
| 1413 | |
| 1414 | system::error_code const ec = o1.try_at("d").error(); |
| 1415 | BOOST_TEST( ec == error::out_of_range ); |
| 1416 | BOOST_TEST( ec.has_location() ); |
| 1417 | } |
| 1418 | |
| 1419 | // try_at(key) const& |
| 1420 | { |
| 1421 | BOOST_TEST( co1.try_at("a")->is_number() ); |
| 1422 | |
| 1423 | system::error_code const ec = o1.try_at("d").error(); |
| 1424 | BOOST_TEST( ec == error::out_of_range ); |
| 1425 | BOOST_TEST( ec.has_location() ); |
| 1426 | } |
| 1427 | |
| 1428 | // operator[&](key) |
| 1429 | { |
| 1430 | object o({ |
| 1431 | {"a", 1}, |
| 1432 | {"b", true}, |
| 1433 | {"c", "hello"}}); |