117 lines
4.4 KiB
C++
117 lines
4.4 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/algorithm/update_tile_masks.hpp>
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using namespace mbgl;
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namespace {
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class FakeTile {
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public:
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FakeTile(TileMask mask_)
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: mask(std::move(mask_)) {
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}
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void setMask(TileMask mask_) {
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mask = std::move(mask_);
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}
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const bool usedByRenderedLayers = true;
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TileMask mask;
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};
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bool operator==(const FakeTile& lhs, const FakeTile& rhs) {
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return lhs.mask == rhs.mask;
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}
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} // namespace
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void validate(std::map<UnwrappedTileID, FakeTile> expected) {
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auto actual = expected;
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std::for_each(actual.begin(), actual.end(),
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[](auto& renderable) { renderable.second.mask.clear(); });
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algorithm::updateTileMasks(actual);
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EXPECT_EQ(expected, actual);
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}
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TEST(UpdateTileMasks, NoChildren) {
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validate({
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{ UnwrappedTileID{ 0, 0, 0 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } }
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});
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validate({
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{ UnwrappedTileID{ 4, 3, 8 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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validate({
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{ UnwrappedTileID{ 1, 0, 0 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 1, 1, 1 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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validate({
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{ UnwrappedTileID{ 1, 0, 0 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 2, 2, 3 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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}
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TEST(UpdateTileMasks, ParentAndFourChildren) {
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validate({
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// Mask is empty (== not rendered!) because we have four covering children.
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{ UnwrappedTileID{ 0, 0, 0 }, TileMask{} },
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// All four covering children
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{ UnwrappedTileID{ 1, 0, 0 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 1, 0, 1 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 1, 1, 0 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 1, 1, 1 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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}
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TEST(UpdateTileMasks, OneChild) {
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validate({
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{ UnwrappedTileID{ 0, 0, 0 },
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// Only render the three children that aren't covering the other tile.
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TileMask{ CanonicalTileID{ 1, 0, 1 }, CanonicalTileID{ 1, 1, 0 },
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CanonicalTileID{ 1, 1, 1 } } },
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{ UnwrappedTileID{ 1, 0, 0 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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}
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TEST(UpdateTileMasks, Complex) {
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validate({
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{ UnwrappedTileID{ 0, 0, 0 },
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TileMask{ CanonicalTileID{ 1, 0, 1 }, CanonicalTileID{ 1, 1, 0 },
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CanonicalTileID{ 2, 2, 3 }, CanonicalTileID{ 2, 3, 2 },
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CanonicalTileID{ 3, 6, 7 }, CanonicalTileID{ 3, 7, 6 } } },
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{ UnwrappedTileID{ 0, { 1, 0, 0 } }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 0, { 2, 2, 2 } }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 0, { 3, 7, 7 } }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 0, { 3, 6, 6 } }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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validate({
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{ UnwrappedTileID{ 0, 0, 0 },
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TileMask{ CanonicalTileID{ 1, 0, 1 }, CanonicalTileID{ 1, 1, 0 },
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CanonicalTileID{ 1, 1, 1 }, CanonicalTileID{ 2, 0, 0 },
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CanonicalTileID{ 2, 0, 1 }, CanonicalTileID{ 2, 1, 0 },
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CanonicalTileID{ 3, 2, 3 }, CanonicalTileID{ 3, 3, 2 },
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CanonicalTileID{ 3, 3, 3 }, CanonicalTileID{ 4, 4, 5 },
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CanonicalTileID{ 4, 5, 4 }, CanonicalTileID{ 4, 5, 5 } } },
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{ UnwrappedTileID{ 4, 4, 4 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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validate({
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{ UnwrappedTileID{ 12, 1028, 1456 },
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TileMask{ CanonicalTileID{ 1, 1, 1 }, CanonicalTileID{ 2, 3, 0 },
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CanonicalTileID{ 2, 3, 1 } } },
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{ UnwrappedTileID{ 13, 2056, 2912 },
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TileMask{ CanonicalTileID{ 1, 0, 1 }, CanonicalTileID{ 1, 1, 0 },
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CanonicalTileID{ 1, 1, 1 } } },
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{ UnwrappedTileID{ 13, 2056, 2913 },
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TileMask{ CanonicalTileID{ 1, 0, 0 }, CanonicalTileID{ 1, 1, 0 },
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CanonicalTileID{ 1, 1, 1 } } },
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{ UnwrappedTileID{ 14, 4112, 5824 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 14, 4112, 5827 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 14, 4114, 5824 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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{ UnwrappedTileID{ 14, 4114, 5825 }, TileMask{ CanonicalTileID{ 0, 0, 0 } } },
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});
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}
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