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#include <mbgl/test/util.hpp>
#include <mbgl/geometry/binpack.hpp>
#include <iosfwd>
#include <array>
namespace mbgl {
template <typename T> ::std::ostream& operator<<(::std::ostream& os, const Rect<T>& t) {
return os << "Rect { " << t.x << ", " << t.y << ", " << t.w << ", " << t.h << " }";
}
} // namespace mbgl
TEST(BinPack, Allocating) {
mbgl::BinPack<uint16_t> bin(128, 128);
std::array<mbgl::Rect<uint16_t>, 4> rects;
rects[0] = bin.allocate(32, 48);
ASSERT_EQ(mbgl::Rect<uint16_t>(0, 0, 32, 48), rects[0]);
rects[1] = bin.allocate(8, 17);
ASSERT_EQ(mbgl::Rect<uint16_t>(32, 0, 8, 17), rects[1]);
rects[2] = bin.allocate(8, 17);
ASSERT_EQ(mbgl::Rect<uint16_t>(0, 48, 8, 17), rects[2]);
bin.release(rects[0]);
rects[0] = bin.allocate(32, 24);
ASSERT_EQ(mbgl::Rect<uint16_t>(0, 0, 32, 24), rects[0]);
rects[3] = bin.allocate(32, 24);
ASSERT_EQ(mbgl::Rect<uint16_t>(32, 17, 32, 24), rects[3]);
}
TEST(BinPack, Full) {
mbgl::BinPack<uint16_t> bin(128, 128);
std::vector<mbgl::Rect<uint16_t>> rects;
for (int j = 0; j < 3; j++) {
for (int i = 0; i < 256; i++) {
auto rect = bin.allocate(8, 8);
ASSERT_TRUE(rect.hasArea());
rects.push_back(rect);
}
ASSERT_FALSE(bin.allocate(8, 8).hasArea());
for (auto& rect: rects) {
bin.release(rect);
}
rects.clear();
}
}
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