New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape/drape_tests/object_pool_tests.cpp

@@ -0,0 +1,75 @@
+#include "testing/testing.hpp"
+
+#include "drape/object_pool.hpp"
+
+class vec2
+{
+public:
+  class vec2Factory
+  {
+  public:
+    vec2 * GetNew() const { return new vec2(); }
+  };
+
+public:
+  float m_x, m_y;
+  static int m_counter;
+
+  vec2() : m_x(0.0f), m_y(0.0f) { m_counter++; }
+  ~vec2() { m_counter--; }
+};
+
+int vec2::m_counter = 0;
+
+UNIT_TEST(ObjectPoolFilling)
+{
+  vec2::vec2Factory factory;
+  dp::ObjectPool<vec2, vec2::vec2Factory> pool(1, factory);
+  vec2 *pt1, *pt2, *pt3;
+  pt1 = pool.Get();
+  pool.Return(pt1);
+  pt2 = pool.Get();
+  TEST_EQUAL(pt1, pt2, ());
+  pt3 = pool.Get();
+
+  pool.Return(pt2);
+  pool.Return(pt3);
+}
+
+UNIT_TEST(ObjectPoolClearing_1)
+{
+  vec2::m_counter = 0;
+  vec2::vec2Factory factory;
+  auto pool = new dp::ObjectPool<vec2, vec2::vec2Factory>(1, factory);
+  vec2 *pt1, *pt2, *pt3;
+  pt1 = pool->Get();
+  pool->Return(pt1);
+  pt2 = pool->Get();
+  pt3 = pool->Get();
+
+  pool->Return(pt2);
+  pool->Return(pt3);
+
+  delete pool;
+
+  TEST_EQUAL(vec2::m_counter, 0, ());
+}
+
+UNIT_TEST(ObjectPoolClearing_2)
+{
+  vec2::m_counter = 0;
+  vec2::vec2Factory factory;
+  auto pool = new dp::ObjectPool<vec2, vec2::vec2Factory>(100, factory);
+  vec2 *pt1, *pt2, *pt3;
+  pt1 = pool->Get();
+  pool->Return(pt1);
+  pt2 = pool->Get();
+  pt3 = pool->Get();
+
+  pool->Return(pt2);
+  pool->Return(pt3);
+
+  delete pool;
+
+  TEST_EQUAL(vec2::m_counter, 0, ());
+}