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drape/drape_tests/pointers_tests.cpp

@@ -0,0 +1,97 @@
+#include "testing/testing.hpp"
+#include "drape/pointers.hpp"
+
+#include "base/base.hpp"
+
+#include <algorithm>
+#include <string>
+#include <utility>
+
+namespace
+{
+class Tester
+{
+public:
+  Tester() = default;
+};
+
+#if defined(TRACK_POINTERS)
+bool g_assertRaised = false;
+bool OnAssertRaised(base::SrcPoint const & /* srcPoint */, std::string const & /* msg */)
+{
+  g_assertRaised = true;
+  return false;
+}
+#endif
+}
+
+UNIT_TEST(PointersTrackingTest)
+{
+#if defined(TRACK_POINTERS)
+
+  DpPointerTracker::TAlivePointers const & alivePointers = DpPointerTracker::Instance().GetAlivePointers();
+
+  drape_ptr<Tester> ptr = make_unique_dp<Tester>();
+  void * ptrAddress = ptr.get();
+  std::string const ptrTypeName = typeid(Tester*).name();
+
+  // no references
+  TEST(alivePointers.find(ptrAddress) == alivePointers.end(), ());
+
+  // create a reference
+  ref_ptr<Tester> refPtr = make_ref(ptr);
+
+  DpPointerTracker::TAlivePointers::const_iterator found = alivePointers.find(ptrAddress);
+  TEST(found != alivePointers.end(), ());
+  TEST_EQUAL(found->second.first, 1, ());
+  TEST_EQUAL(found->second.second, ptrTypeName, ());
+
+  // copy reference
+  ref_ptr<Tester> refPtr2 = refPtr;
+
+  found = alivePointers.find(ptrAddress);
+  TEST_EQUAL(found->second.first, 2, ());
+
+  // remove reference
+  {
+    ref_ptr<Tester> refPtrInScope = refPtr2;
+    TEST_EQUAL(found->second.first, 3, ());
+  }
+  TEST_EQUAL(found->second.first, 2, ());
+
+  // move reference
+  ref_ptr<Tester> refPtr3 = std::move(refPtr2);
+  TEST_EQUAL(found->second.first, 2, ());
+
+  // assign reference
+  ref_ptr<Tester> refPtr4;
+  refPtr4 = refPtr3;
+  TEST_EQUAL(found->second.first, 3, ());
+
+  // move-assign reference
+  refPtr4 = std::move(refPtr3);
+  TEST_EQUAL(found->second.first, 2, ());
+
+  // create another reference
+  ref_ptr<Tester> refPtr5 = make_ref(ptr);
+  TEST_EQUAL(found->second.first, 3, ());
+
+#endif
+}
+
+UNIT_TEST(RefPointerExpiringTest)
+{
+#if defined(TRACK_POINTERS)
+  g_assertRaised = false;
+  base::AssertFailedFn prevFn = base::SetAssertFunction(OnAssertRaised);
+
+  drape_ptr<Tester> ptr = make_unique_dp<Tester>();
+  ref_ptr<Tester> refPtr1 = make_ref(ptr);
+  ref_ptr<Tester> refPtr2 = make_ref(ptr);
+  ptr.reset();
+
+  base::SetAssertFunction(prevFn);
+
+  TEST(g_assertRaised, ());
+#endif
+}