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#include <mbgl/test/util.hpp>
#include <mbgl/algorithm/covered_by_children.hpp>
#include <map>
using namespace mbgl;
using List = std::map<UnwrappedTileID, bool>;
TEST(CoveredByChildren, GrandChildren) {
const List list {
{ UnwrappedTileID{ 0, 0, 0 }, true },
// These grandchildren covers 1/0/0, but 1/0/0 only covers a quarter of
// 0/0/0.
{ UnwrappedTileID{ 2, 0, 0 }, true },
{ UnwrappedTileID{ 2, 0, 1 }, true },
{ UnwrappedTileID{ 2, 1, 0 }, true },
{ UnwrappedTileID{ 2, 1, 1 }, true },
};
EXPECT_FALSE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list));
const List list2 {
{ UnwrappedTileID{ 0, 0, 0 }, true },
// Children of 1/0/0
{ UnwrappedTileID{ 2, 0, 0 }, true },
{ UnwrappedTileID{ 2, 0, 1 }, true },
{ UnwrappedTileID{ 2, 1, 0 }, true },
{ UnwrappedTileID{ 2, 1, 1 }, true },
// Children of 1/0/1
{ UnwrappedTileID{ 2, 0, 2 }, true },
{ UnwrappedTileID{ 2, 0, 3 }, true },
{ UnwrappedTileID{ 2, 1, 2 }, true },
{ UnwrappedTileID{ 2, 1, 3 }, true },
// Children of 1/1/0
{ UnwrappedTileID{ 2, 2, 0 }, true },
{ UnwrappedTileID{ 2, 2, 1 }, true },
{ UnwrappedTileID{ 2, 3, 0 }, true },
{ UnwrappedTileID{ 2, 3, 1 }, true },
// Children of 1/0/1
{ UnwrappedTileID{ 2, 2, 2 }, true },
{ UnwrappedTileID{ 2, 2, 3 }, true },
{ UnwrappedTileID{ 2, 3, 2 }, true },
{ UnwrappedTileID{ 2, 3, 3 }, true },
};
EXPECT_TRUE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list2));
}
TEST(CoveredByChildren, NotCovered) {
const List list1;
EXPECT_FALSE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list1));
const List list2{
{ UnwrappedTileID{ 0, 0, 0 }, true },
// 3 out of 4 child tiles
{ UnwrappedTileID{ 1, 0, 0 }, true },
{ UnwrappedTileID{ 1, 0, 1 }, true },
// missing 1/1/0
{ UnwrappedTileID{ 1, 1, 1 }, true },
};
EXPECT_FALSE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list2));
const List list3{
{ UnwrappedTileID{ 0, 0, 0 }, true },
// all four child tiles, with a different wrap index
{ UnwrappedTileID{ 1, { 1, 0, 0 } }, true },
{ UnwrappedTileID{ 1, { 1, 0, 1 } }, true },
{ UnwrappedTileID{ 1, { 1, 1, 0 } }, true },
{ UnwrappedTileID{ 1, { 1, 1, 1 } }, true },
};
EXPECT_FALSE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list3));
}
TEST(CoveredByChildren, Covered) {
const List list1{
{ UnwrappedTileID{ 0, 0, 0 }, true },
// all four child tiles
{ UnwrappedTileID{ 1, 0, 0 }, true },
{ UnwrappedTileID{ 1, 0, 1 }, true },
{ UnwrappedTileID{ 1, 1, 0 }, true },
{ UnwrappedTileID{ 1, 1, 1 }, true },
};
EXPECT_TRUE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list1));
const List list2{
{ UnwrappedTileID{ 0, 0, 0 }, true },
// missing 1/0/0
{ UnwrappedTileID{ 1, 0, 1 }, true },
{ UnwrappedTileID{ 1, 1, 0 }, true },
{ UnwrappedTileID{ 1, 1, 1 }, true },
{ UnwrappedTileID{ 2, 0, 0 }, true },
{ UnwrappedTileID{ 2, 0, 1 }, true },
{ UnwrappedTileID{ 2, 1, 0 }, true },
{ UnwrappedTileID{ 2, 1, 1 }, true },
};
EXPECT_TRUE(algorithm::coveredByChildren(UnwrappedTileID{ 0, 0, 0 }, list2));
EXPECT_TRUE(algorithm::coveredByChildren(UnwrappedTileID{ 1, 0, 0 }, list2));
EXPECT_FALSE(algorithm::coveredByChildren(UnwrappedTileID{ 2, 0, 0 }, list2));
}
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