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MapLibreParticleLab/test/tile/tile_id.test.cpp
Bart Louwers 550f64be22 core: rename mbgl namespace to mln (#4487) 
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-08-14 23:25:20 +02:00

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#include <mbgl/test/util.hpp>
#include <mbgl/tile/tile_id.hpp>
using namespace mln;
TEST(TileID, Canonical) {
CanonicalTileID id_0_0_0(0, 0, 0);
EXPECT_EQ(0u, id_0_0_0.z);
EXPECT_EQ(0u, id_0_0_0.x);
EXPECT_EQ(0u, id_0_0_0.y);
EXPECT_TRUE(CanonicalTileID(4, 2, 3) == CanonicalTileID(4, 2, 3));
EXPECT_FALSE(CanonicalTileID(4, 2, 3) != CanonicalTileID(4, 2, 3));
EXPECT_TRUE(CanonicalTileID(4, 2, 3) != CanonicalTileID(5, 2, 3));
EXPECT_FALSE(CanonicalTileID(4, 2, 3) == CanonicalTileID(5, 2, 3));
EXPECT_TRUE(CanonicalTileID(4, 2, 3) != CanonicalTileID(4, 3, 3));
EXPECT_FALSE(CanonicalTileID(4, 2, 3) == CanonicalTileID(4, 3, 3));
EXPECT_TRUE(CanonicalTileID(4, 2, 3) != CanonicalTileID(4, 2, 4));
EXPECT_FALSE(CanonicalTileID(4, 2, 3) == CanonicalTileID(4, 2, 4));
EXPECT_TRUE(CanonicalTileID(5, 2, 3) != CanonicalTileID(4, 2, 3));
EXPECT_FALSE(CanonicalTileID(5, 2, 3) == CanonicalTileID(4, 2, 3));
EXPECT_TRUE(CanonicalTileID(4, 3, 3) != CanonicalTileID(4, 2, 3));
EXPECT_FALSE(CanonicalTileID(4, 3, 3) == CanonicalTileID(4, 2, 3));
EXPECT_TRUE(CanonicalTileID(4, 2, 4) != CanonicalTileID(4, 2, 3));
EXPECT_FALSE(CanonicalTileID(4, 2, 4) == CanonicalTileID(4, 2, 3));
EXPECT_TRUE(CanonicalTileID(0, 0, 0) < CanonicalTileID(1, 0, 0));
EXPECT_FALSE(CanonicalTileID(1, 0, 0) < CanonicalTileID(0, 0, 0));
EXPECT_TRUE(CanonicalTileID(4, 2, 3) < CanonicalTileID(4, 3, 2));
EXPECT_FALSE(CanonicalTileID(4, 3, 2) < CanonicalTileID(4, 2, 3));
EXPECT_FALSE(CanonicalTileID(5, 3, 6) < CanonicalTileID(5, 3, 6));
const CanonicalTileID child(4, 2, 3);
EXPECT_TRUE(child.isChildOf({3, 1, 1}));
EXPECT_TRUE(child.isChildOf({2, 0, 0}));
EXPECT_TRUE(child.isChildOf({1, 0, 0}));
EXPECT_TRUE(child.isChildOf({0, 0, 0}));
EXPECT_FALSE(child.isChildOf({5, 4, 6}));
EXPECT_FALSE(child.isChildOf({4, 2, 4}));
EXPECT_FALSE(child.isChildOf({3, 2, 2}));
EXPECT_FALSE(child.isChildOf({2, 1, 0}));
EXPECT_FALSE(child.isChildOf({1, 0, 1}));
#ifndef WIN32 // windows does not like this test, just disable it
EXPECT_EQ(0, 4294967295 >> 32);
#endif
const CanonicalTileID maxChild(32, 4294967295, 4294967295);
EXPECT_FALSE(maxChild.isChildOf({32, 4294967295, 4294967295}));
EXPECT_TRUE(maxChild.isChildOf({31, 2147483647, 2147483647}));
EXPECT_TRUE(maxChild.isChildOf({30, 1073741823, 1073741823}));
EXPECT_TRUE(maxChild.isChildOf({29, 536870911, 536870911}));
EXPECT_TRUE(maxChild.isChildOf({28, 268435455, 268435455}));
EXPECT_TRUE(maxChild.isChildOf({27, 134217727, 134217727}));
EXPECT_TRUE(maxChild.isChildOf({26, 67108863, 67108863}));
EXPECT_TRUE(maxChild.isChildOf({25, 33554431, 33554431}));
EXPECT_TRUE(maxChild.isChildOf({24, 16777215, 16777215}));
EXPECT_TRUE(maxChild.isChildOf({23, 8388607, 8388607}));
EXPECT_TRUE(maxChild.isChildOf({22, 4194303, 4194303}));
EXPECT_TRUE(maxChild.isChildOf({21, 2097151, 2097151}));
EXPECT_TRUE(maxChild.isChildOf({20, 1048575, 1048575}));
EXPECT_TRUE(maxChild.isChildOf({19, 524287, 524287}));
EXPECT_TRUE(maxChild.isChildOf({18, 262143, 262143}));
EXPECT_TRUE(maxChild.isChildOf({17, 131071, 131071}));
EXPECT_TRUE(maxChild.isChildOf({16, 65535, 65535}));
EXPECT_TRUE(maxChild.isChildOf({15, 32767, 32767}));
EXPECT_TRUE(maxChild.isChildOf({14, 16383, 16383}));
EXPECT_TRUE(maxChild.isChildOf({13, 8191, 8191}));
EXPECT_TRUE(maxChild.isChildOf({12, 4095, 4095}));
EXPECT_TRUE(maxChild.isChildOf({11, 2047, 2047}));
EXPECT_TRUE(maxChild.isChildOf({10, 1023, 1023}));
EXPECT_TRUE(maxChild.isChildOf({9, 511, 511}));
EXPECT_TRUE(maxChild.isChildOf({8, 255, 255}));
EXPECT_TRUE(maxChild.isChildOf({7, 127, 127}));
EXPECT_TRUE(maxChild.isChildOf({6, 63, 63}));
EXPECT_TRUE(maxChild.isChildOf({5, 31, 31}));
EXPECT_TRUE(maxChild.isChildOf({4, 15, 15}));
EXPECT_TRUE(maxChild.isChildOf({3, 7, 7}));
EXPECT_TRUE(maxChild.isChildOf({2, 3, 3}));
EXPECT_TRUE(maxChild.isChildOf({1, 1, 1}));
EXPECT_TRUE(maxChild.isChildOf({0, 0, 0}));
const CanonicalTileID scaleBase(4, 5, 13);
EXPECT_EQ(CanonicalTileID(0, 0, 0), scaleBase.scaledTo(0));
EXPECT_EQ(CanonicalTileID(1, 0, 1), scaleBase.scaledTo(1));
EXPECT_EQ(CanonicalTileID(2, 1, 3), scaleBase.scaledTo(2));
EXPECT_EQ(CanonicalTileID(3, 2, 6), scaleBase.scaledTo(3));
EXPECT_EQ(CanonicalTileID(4, 5, 13), scaleBase.scaledTo(4));
EXPECT_EQ(CanonicalTileID(5, 10, 26), scaleBase.scaledTo(5));
EXPECT_EQ(CanonicalTileID(6, 20, 52), scaleBase.scaledTo(6));
EXPECT_EQ(CanonicalTileID(7, 40, 104), scaleBase.scaledTo(7));
EXPECT_EQ(CanonicalTileID(8, 80, 208), scaleBase.scaledTo(8));
EXPECT_EQ(CanonicalTileID(9, 160, 416), scaleBase.scaledTo(9));
EXPECT_EQ(CanonicalTileID(10, 320, 832), scaleBase.scaledTo(10));
EXPECT_EQ(CanonicalTileID(11, 640, 1664), scaleBase.scaledTo(11));
EXPECT_EQ(CanonicalTileID(12, 1280, 3328), scaleBase.scaledTo(12));
EXPECT_EQ(CanonicalTileID(13, 2560, 6656), scaleBase.scaledTo(13));
EXPECT_EQ(CanonicalTileID(14, 5120, 13312), scaleBase.scaledTo(14));
EXPECT_EQ(CanonicalTileID(15, 10240, 26624), scaleBase.scaledTo(15));
EXPECT_EQ(CanonicalTileID(16, 20480, 53248), scaleBase.scaledTo(16));
EXPECT_EQ(CanonicalTileID(17, 40960, 106496), scaleBase.scaledTo(17));
EXPECT_EQ(CanonicalTileID(18, 81920, 212992), scaleBase.scaledTo(18));
EXPECT_EQ(CanonicalTileID(19, 163840, 425984), scaleBase.scaledTo(19));
EXPECT_EQ(CanonicalTileID(20, 327680, 851968), scaleBase.scaledTo(20));
EXPECT_EQ(CanonicalTileID(21, 655360, 1703936), scaleBase.scaledTo(21));
EXPECT_EQ(CanonicalTileID(22, 1310720, 3407872), scaleBase.scaledTo(22));
EXPECT_EQ(CanonicalTileID(23, 2621440, 6815744), scaleBase.scaledTo(23));
EXPECT_EQ(CanonicalTileID(24, 5242880, 13631488), scaleBase.scaledTo(24));
EXPECT_EQ(CanonicalTileID(25, 10485760, 27262976), scaleBase.scaledTo(25));
EXPECT_EQ(CanonicalTileID(26, 20971520, 54525952), scaleBase.scaledTo(26));
EXPECT_EQ(CanonicalTileID(27, 41943040, 109051904), scaleBase.scaledTo(27));
EXPECT_EQ(CanonicalTileID(28, 83886080, 218103808), scaleBase.scaledTo(28));
EXPECT_EQ(CanonicalTileID(29, 167772160, 436207616), scaleBase.scaledTo(29));
EXPECT_EQ(CanonicalTileID(30, 335544320, 872415232), scaleBase.scaledTo(30));
EXPECT_EQ(CanonicalTileID(31, 671088640, 1744830464), scaleBase.scaledTo(31));
EXPECT_EQ(CanonicalTileID(32, 1342177280, 3489660928), scaleBase.scaledTo(32));
EXPECT_EQ((std::array<CanonicalTileID, 4>{{
{5, 4, 6},
{5, 4, 7},
{5, 5, 6},
{5, 5, 7},
}}),
CanonicalTileID(4, 2, 3).children());
EXPECT_EQ((std::array<CanonicalTileID, 4>{{
{1, 0, 0},
{1, 0, 1},
{1, 1, 0},
{1, 1, 1},
}}),
CanonicalTileID(0, 0, 0).children());
}
TEST(TileID, Overscaled) {
EXPECT_TRUE(OverscaledTileID(4, 2, 3) == OverscaledTileID(4, 2, 3));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) != OverscaledTileID(4, 2, 3));
EXPECT_TRUE(OverscaledTileID(4, 0, {4, 2, 3}) == OverscaledTileID(4, 2, 3));
EXPECT_FALSE(OverscaledTileID(4, 0, {4, 2, 3}) != OverscaledTileID(4, 2, 3));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) == OverscaledTileID(4, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) != OverscaledTileID(4, 0, {4, 2, 3}));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) != OverscaledTileID(5, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) == OverscaledTileID(5, 0, {4, 2, 3}));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) != OverscaledTileID(6, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) == OverscaledTileID(6, 0, {4, 2, 3}));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) != OverscaledTileID(7, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) == OverscaledTileID(7, 0, {4, 2, 3}));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) != OverscaledTileID(4, 2, 4));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) == OverscaledTileID(4, 2, 4));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) != OverscaledTileID(4, 3, 3));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) == OverscaledTileID(4, 3, 3));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) != OverscaledTileID(5, 2, 3));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) == OverscaledTileID(5, 2, 3));
EXPECT_TRUE(OverscaledTileID(7, 0, {4, 2, 3}) == OverscaledTileID(7, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(7, 0, {4, 2, 3}) != OverscaledTileID(7, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(4, 2, 3) < OverscaledTileID(4, 2, 3));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) < OverscaledTileID(5, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(5, 0, {4, 2, 3}) < OverscaledTileID(4, 2, 3));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) < OverscaledTileID(6, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(6, 0, {4, 2, 3}) < OverscaledTileID(4, 2, 3));
EXPECT_TRUE(OverscaledTileID(4, 2, 3) < OverscaledTileID(7, 0, {4, 2, 3}));
EXPECT_FALSE(OverscaledTileID(7, 0, {4, 2, 3}) < OverscaledTileID(4, 2, 3));
EXPECT_EQ(8u, OverscaledTileID(7, 0, {4, 2, 3}).overscaleFactor());
EXPECT_EQ(4u, OverscaledTileID(6, 0, {4, 2, 3}).overscaleFactor());
EXPECT_EQ(2u, OverscaledTileID(5, 0, {4, 2, 3}).overscaleFactor());
EXPECT_EQ(1u, OverscaledTileID(4, 0, {4, 2, 3}).overscaleFactor());
EXPECT_EQ(2147483648u, OverscaledTileID(31, 0, {0, 0, 0}).overscaleFactor());
EXPECT_EQ(OverscaledTileID(0, 0, {0, 0, 0}), OverscaledTileID(4, 2, 3).scaledTo(0));
EXPECT_EQ(OverscaledTileID(1, 0, {1, 0, 0}), OverscaledTileID(4, 2, 3).scaledTo(1));
EXPECT_EQ(OverscaledTileID(2, 0, {2, 0, 0}), OverscaledTileID(4, 2, 3).scaledTo(2));
EXPECT_EQ(OverscaledTileID(3, 0, {3, 1, 1}), OverscaledTileID(4, 2, 3).scaledTo(3));
EXPECT_EQ(OverscaledTileID(4, 0, {4, 2, 3}), OverscaledTileID(4, 2, 3).scaledTo(4));
EXPECT_EQ(OverscaledTileID(5, 0, {4, 2, 3}), OverscaledTileID(4, 2, 3).scaledTo(5));
EXPECT_EQ(OverscaledTileID(6, 0, {4, 2, 3}), OverscaledTileID(4, 2, 3).scaledTo(6));
EXPECT_EQ(OverscaledTileID(7, 0, {4, 2, 3}), OverscaledTileID(4, 2, 3).scaledTo(7));
EXPECT_EQ(OverscaledTileID(8, 0, {4, 2, 3}), OverscaledTileID(4, 2, 3).scaledTo(8));
EXPECT_EQ(OverscaledTileID(32, 0, {4, 2, 3}), OverscaledTileID(4, 2, 3).scaledTo(32));
EXPECT_EQ(UnwrappedTileID(0, {4, 2, 3}), OverscaledTileID(4, 2, 3).toUnwrapped());
EXPECT_EQ(UnwrappedTileID(-1, {4, 2, 3}), OverscaledTileID(4, -1, {4, 2, 3}).toUnwrapped());
EXPECT_EQ(UnwrappedTileID(1, {4, 2, 3}), OverscaledTileID(4, 1, {4, 2, 3}).toUnwrapped());
EXPECT_EQ(UnwrappedTileID(0, {4, 2, 3}), OverscaledTileID(5, 0, {4, 2, 3}).toUnwrapped());
EXPECT_EQ(UnwrappedTileID(-1, {4, 2, 3}), OverscaledTileID(5, -1, {4, 2, 3}).toUnwrapped());
EXPECT_EQ(UnwrappedTileID(1, {4, 2, 3}), OverscaledTileID(5, 1, {4, 2, 3}).toUnwrapped());
EXPECT_FALSE(OverscaledTileID(2, 0, 0).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_FALSE(OverscaledTileID(3, 1, 1).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_TRUE(OverscaledTileID(4, 2, 3).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_TRUE(OverscaledTileID(5, 0, {4, 2, 3}).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_TRUE(OverscaledTileID(6, 0, {4, 2, 3}).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_FALSE(OverscaledTileID(6, -1, {4, 2, 3}).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_TRUE(OverscaledTileID(7, 0, {4, 2, 3}).isChildOf(OverscaledTileID(3, 1, 1)));
EXPECT_FALSE(OverscaledTileID(2, 0, 0).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(3, 1, 1).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(4, 2, 3).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(5, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_TRUE(OverscaledTileID(6, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_TRUE(OverscaledTileID(7, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(7, 1, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(2, 0, 0).isChildOf(OverscaledTileID(6, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(3, 1, 1).isChildOf(OverscaledTileID(6, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(4, 2, 3).isChildOf(OverscaledTileID(6, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(5, 0, {4, 2, 3}).isChildOf(OverscaledTileID(6, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(6, 0, {4, 2, 3}).isChildOf(OverscaledTileID(6, 0, {4, 2, 3})));
EXPECT_TRUE(OverscaledTileID(7, 0, {4, 2, 3}).isChildOf(OverscaledTileID(6, 0, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(7, 0, {4, 2, 3}).isChildOf(OverscaledTileID(6, -1, {4, 2, 3})));
EXPECT_FALSE(OverscaledTileID(2, 0, 0).isChildOf(OverscaledTileID(5, 0, {4, 0, 0})));
EXPECT_FALSE(OverscaledTileID(3, 1, 1).isChildOf(OverscaledTileID(5, 0, {4, 0, 0})));
EXPECT_FALSE(OverscaledTileID(4, 2, 3).isChildOf(OverscaledTileID(5, 0, {4, 0, 0})));
EXPECT_FALSE(OverscaledTileID(5, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 0, 0})));
EXPECT_FALSE(OverscaledTileID(6, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 0, 0})));
EXPECT_FALSE(OverscaledTileID(7, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {4, 0, 0})));
EXPECT_FALSE(OverscaledTileID(4, 0, {4, 2, 3}).isChildOf(OverscaledTileID(5, 0, {3, 1, 1})));
}
TEST(TileID, Unwrapped) {
UnwrappedTileID id_0_0_0(0, 0, 0);
EXPECT_EQ(0u, id_0_0_0.canonical.z);
EXPECT_EQ(0u, id_0_0_0.canonical.x);
EXPECT_EQ(0u, id_0_0_0.canonical.y);
EXPECT_EQ(0, id_0_0_0.wrap);
UnwrappedTileID id_0_1_0(0, 1, 0);
EXPECT_EQ(0u, id_0_1_0.canonical.z);
EXPECT_EQ(0u, id_0_1_0.canonical.x);
EXPECT_EQ(0u, id_0_1_0.canonical.y);
EXPECT_EQ(1, id_0_1_0.wrap);
UnwrappedTileID id_0_4_0(0, 4, 0);
EXPECT_EQ(0u, id_0_4_0.canonical.z);
EXPECT_EQ(0u, id_0_4_0.canonical.x);
EXPECT_EQ(0u, id_0_4_0.canonical.y);
EXPECT_EQ(4, id_0_4_0.wrap);
UnwrappedTileID id_0_n1_0(0, -1, 0);
EXPECT_EQ(0u, id_0_n1_0.canonical.z);
EXPECT_EQ(0u, id_0_n1_0.canonical.x);
EXPECT_EQ(0u, id_0_n1_0.canonical.y);
EXPECT_EQ(-1, id_0_n1_0.wrap);
UnwrappedTileID id_0_0_1(0, 0, 1);
EXPECT_EQ(0u, id_0_0_1.canonical.z);
EXPECT_EQ(0u, id_0_0_1.canonical.x);
EXPECT_EQ(0u, id_0_0_1.canonical.y);
EXPECT_EQ(0, id_0_0_1.wrap);
UnwrappedTileID id_0_0_n1(0, 0, -1);
EXPECT_EQ(0u, id_0_0_n1.canonical.z);
EXPECT_EQ(0u, id_0_0_n1.canonical.x);
EXPECT_EQ(0u, id_0_0_n1.canonical.y);
EXPECT_EQ(0, id_0_0_n1.wrap);
UnwrappedTileID id_18_262143_0(18, 262143, 0);
EXPECT_EQ(18u, id_18_262143_0.canonical.z);
EXPECT_EQ(262143u, id_18_262143_0.canonical.x);
EXPECT_EQ(0u, id_18_262143_0.canonical.y);
EXPECT_EQ(0, id_18_262143_0.wrap);
UnwrappedTileID id_18_262144_0(18, 262144, 0);
EXPECT_EQ(18u, id_18_262144_0.canonical.z);
EXPECT_EQ(0u, id_18_262144_0.canonical.x);
EXPECT_EQ(0u, id_18_262144_0.canonical.y);
EXPECT_EQ(1, id_18_262144_0.wrap);
UnwrappedTileID a(2, 4, 3);
UnwrappedTileID b(a);
EXPECT_EQ(2u, b.canonical.z);
EXPECT_EQ(0u, b.canonical.x);
EXPECT_EQ(3u, b.canonical.y);
EXPECT_EQ(1, b.wrap);
EXPECT_TRUE(UnwrappedTileID(0, 0, 0) < UnwrappedTileID(1, 0, 0));
EXPECT_TRUE(UnwrappedTileID(1, 0, 0) < UnwrappedTileID(0, 1, 0));
EXPECT_FALSE(UnwrappedTileID(0, 1, 0) < UnwrappedTileID(1, 0, 0));
EXPECT_FALSE(UnwrappedTileID(5, 3, 6) < UnwrappedTileID(5, 3, 6));
EXPECT_EQ(OverscaledTileID(4, 0, {4, 2, 3}), UnwrappedTileID(4, 2, 3).overscaleTo(4));
EXPECT_EQ(OverscaledTileID(5, 0, {4, 2, 3}), UnwrappedTileID(4, 2, 3).overscaleTo(5));
EXPECT_EQ(OverscaledTileID(6, 0, {4, 2, 3}), UnwrappedTileID(4, 2, 3).overscaleTo(6));
EXPECT_EQ(OverscaledTileID(32, 0, {4, 2, 3}), UnwrappedTileID(4, 2, 3).overscaleTo(32));
EXPECT_EQ(UnwrappedTileID(-1, {1, 0, 0}), UnwrappedTileID(1, -2, 0));
EXPECT_EQ(UnwrappedTileID(-1, {1, 0, 1}), UnwrappedTileID(1, -2, 1));
EXPECT_EQ(UnwrappedTileID(-1, {1, 1, 0}), UnwrappedTileID(1, -1, 0));
EXPECT_EQ(UnwrappedTileID(-1, {1, 1, 1}), UnwrappedTileID(1, -1, 1));
EXPECT_EQ(UnwrappedTileID(-1, {0, 0, 0}), UnwrappedTileID(0, -1, 0));
EXPECT_EQ((std::array<UnwrappedTileID, 4>{{
{1, 0, 0},
{1, 0, 1},
{1, 1, 0},
{1, 1, 1},
}}),
UnwrappedTileID(0, 0, 0).children());
EXPECT_EQ((std::array<UnwrappedTileID, 4>{{
{1, -2, 0},
{1, -2, 1},
{1, -1, 0},
{1, -1, 1},
}}),
UnwrappedTileID(0, -1, 0).children());
}
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