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-rw-r--r--test/geometry/binpack.test.cpp51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/geometry/binpack.test.cpp b/test/geometry/binpack.test.cpp
new file mode 100644
index 0000000000..0b74df7fa9
--- /dev/null
+++ b/test/geometry/binpack.test.cpp
@@ -0,0 +1,51 @@
+#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();
+ }
+}