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Code Issues 144 Wiki Activity

Merge remote-tracking branch 'origin/feat/track-uneven' into feat/renderers-cleanup

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Hirek
2026-10-31 19:13:23 +01:00
parent 24b805b348 798e8d6a84
commit 154c42cb66
13 changed files with 930 additions and 115 deletions
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49
tests/unit/test_track_uneven.cpp
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@@ -140,6 +140,43 @@ TEST_CASE("uneven track: the field stays within its bound")
CHECK(highest > 0.5);
}
TEST_CASE("uneven track: all the values in one attribute")
{
auto const one{track_uneven::read_fields<6>("18")};
CHECK(one[0] == doctest::Approx(18.f));
CHECK(one[1] < 0.f);
auto const both{track_uneven::read_fields<6>("14;35")};
CHECK(both[0] == doctest::Approx(14.f));
CHECK(both[1] == doctest::Approx(35.f));
CHECK(both[2] < 0.f);
auto const gaps{track_uneven::read_fields<6>("18.5;;;25;6")};
CHECK(gaps[0] == doctest::Approx(18.5f));
CHECK(gaps[1] < 0.f);
CHECK(gaps[2] < 0.f);
CHECK(gaps[3] == doctest::Approx(25.f));
CHECK(gaps[4] == doctest::Approx(6.f));
auto const bounds{track_uneven::read_fields<6>("500;-3;x")};
CHECK(bounds[0] == doctest::Approx(track_uneven::most));
CHECK(bounds[1] == doctest::Approx(0.f));
CHECK(bounds[2] < 0.f);
CHECK(track_uneven::write_fields<6>({14.f, 35.f, -1.f, -1.f, -1.f, -1.f}) == "14;35");
CHECK(track_uneven::write_fields<6>({18.5f, -1.f, -1.f, 25.f, 6.f, -1.f}) == "18.5;;;25;6");
CHECK(track_uneven::write_fields<6>({0.f, -1.f, 30.f, -1.f, -1.f, -1.f}) == "0;;30");
CHECK(track_uneven::write_fields<6>({18.f, -1.f, -1.f, -1.f, -1.f, -1.f}) == "18");
}
TEST_CASE("uneven track: amounts take the lowest of each component")
{
auto const least{track_uneven::least({14.0, 9.0, 0.0}, {7.0, 35.0, 3.0})};
CHECK(least.up == doctest::Approx(7.0));
CHECK(least.side == doctest::Approx(9.0));
CHECK(least.cross == doctest::Approx(0.0));
// the diverging path of a switch: from the common end at the lowest to its own value at the far end
double const length{30.0};
CHECK(track_uneven::along(35.0, 7.0, 35.0, 0.0, length) == doctest::Approx(7.0));
CHECK(track_uneven::along(35.0, 7.0, 35.0, length, length) == doctest::Approx(35.0));
}
TEST_CASE("uneven track: the value along a track meets its neighbours exactly")
{
double const length{500.0};
@@ -165,6 +202,18 @@ TEST_CASE("uneven track: the value along a track meets its neighbours exactly")
}
}
TEST_CASE("uneven track: the foot of the ballast stays where it was")
{
double const rail{0.18};
double const height{0.38};
CHECK(track_uneven::bed_share(0.0, rail, height) == doctest::Approx(1.0)); // rail top
CHECK(track_uneven::bed_share(rail, rail, height) == doctest::Approx(1.0)); // top of the ballast
CHECK(track_uneven::bed_share(rail + 0.5 * height, rail, height) == doctest::Approx(0.5));
CHECK(track_uneven::bed_share(rail + height, rail, height) == doctest::Approx(0.0)); // its foot
CHECK(track_uneven::bed_share(rail + 2.0 * height, rail, height) == doctest::Approx(0.0));
CHECK(track_uneven::bed_share(rail + 1.0, rail, 0.0) == doctest::Approx(1.0)); // no ballast
}
TEST_CASE("uneven track: the rails dip around a joint")
{
CHECK(track_uneven::dip(0.0) == doctest::Approx(1.0));