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