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Add more test cases

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This commit is contained in:
Siarhei Fedartsou 2024-06-21 21:04:56 +02:00
parent 727b031d45
commit e06404bd08
1 changed files with 92 additions and 0 deletions
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92
unit_tests/engine/polyline_compressor.cpp
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@ -45,4 +45,96 @@ BOOST_AUTO_TEST_CASE(polyline6_test_case)
decodePolyline<1000000>(encodePolyline<1000000>(coords.begin(), coords.end())).begin()));
}
BOOST_AUTO_TEST_CASE(empty_polyline_test)
{
using namespace osrm::engine;
using namespace osrm::util;
std::vector<Coordinate> empty_coords;
BOOST_CHECK_EQUAL(encodePolyline(empty_coords.begin(), empty_coords.end()), "");
BOOST_CHECK(decodePolyline("").empty());
}
BOOST_AUTO_TEST_CASE(polyline_single_point_test)
{
using namespace osrm::engine;
using namespace osrm::util;
const std::vector<Coordinate> coords({{FixedLongitude{-122414000}, FixedLatitude{37776000}}});
const std::string encoded = encodePolyline(coords.begin(), coords.end());
BOOST_CHECK_EQUAL(encoded, "_cqeFn~cjV");
const auto decoded = decodePolyline(encoded);
BOOST_CHECK_EQUAL(decoded.size(), 1);
BOOST_CHECK_EQUAL(decoded[0].lon, FixedLongitude{-122414000});
BOOST_CHECK_EQUAL(decoded[0].lat, FixedLatitude{37776000});
}
BOOST_AUTO_TEST_CASE(polyline_multiple_points_test)
{
using namespace osrm::engine;
using namespace osrm::util;
const std::vector<Coordinate> coords({{FixedLongitude{-122414000}, FixedLatitude{37776000}},
{FixedLongitude{-122420000}, FixedLatitude{37779000}},
{FixedLongitude{-122421000}, FixedLatitude{37780000}}});
const std::string encoded = encodePolyline(coords.begin(), coords.end());
BOOST_CHECK_EQUAL(encoded, "_cqeFn~cjVwQnd@gEfE");
const auto decoded = decodePolyline(encoded);
BOOST_CHECK_EQUAL(decoded.size(), 3);
for (size_t i = 0; i < coords.size(); ++i)
{
BOOST_CHECK_EQUAL(decoded[i].lon, coords[i].lon);
BOOST_CHECK_EQUAL(decoded[i].lat, coords[i].lat);
}
}
BOOST_AUTO_TEST_CASE(polyline_large_coordinate_difference_test)
{
using namespace osrm::engine;
using namespace osrm::util;
const std::vector<Coordinate> coords({{FixedLongitude{-179000000}, FixedLatitude{-89000000}},
{FixedLongitude{179000000}, FixedLatitude{89000000}}});
const std::string encoded = encodePolyline(coords.begin(), coords.end());
BOOST_CHECK_EQUAL(encoded, "~xe~O~|oca@_sl}`@_{`hcA");
const auto decoded = decodePolyline(encoded);
BOOST_CHECK_EQUAL(decoded.size(), 2);
for (size_t i = 0; i < coords.size(); ++i)
{
BOOST_CHECK_EQUAL(decoded[i].lon, coords[i].lon);
BOOST_CHECK_EQUAL(decoded[i].lat, coords[i].lat);
}
}
BOOST_AUTO_TEST_CASE(roundtrip)
{
using namespace osrm::engine;
using namespace osrm::util;
{
const auto encoded = "_chxEn`zvN\\\\]]";
const auto decoded = decodePolyline(encoded);
const auto reencoded = encodePolyline(decoded.begin(), decoded.end());
BOOST_CHECK_EQUAL(encoded, reencoded);
}
{
const auto encoded =
"gcneIpgxzRcDnBoBlEHzKjBbHlG`@`IkDxIiKhKoMaLwTwHeIqHuAyGXeB~Ew@fFjAtIzExF";
const auto decoded = decodePolyline(encoded);
const auto reencoded = encodePolyline(decoded.begin(), decoded.end());
BOOST_CHECK_EQUAL(encoded, reencoded);
}
{
const auto encoded = "_p~iF~ps|U_ulLnnqC_mqNvxq`@";
const auto decoded = decodePolyline(encoded);
const auto reencoded = encodePolyline(decoded.begin(), decoded.end());
BOOST_CHECK_EQUAL(encoded, reencoded);
}
}
BOOST_AUTO_TEST_SUITE_END()