1 files changed, 65 insertions, 0 deletions
diff --git a/tests/game/ThreatListIterator.cpp b/tests/game/ThreatListIterator.cpp
new file mode 100644
index 00000000000..7121b783579
--- /dev/null
+++ b/tests/game/ThreatListIterator.cpp
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "tc_catch2.h"
+
+#include "IteratorPair.h"
+
+class ThreatListIterator
+{
+private:
+    std::function<int const* ()> _generator;
+    int const* _current;
+
+public:
+    explicit ThreatListIterator(std::function<int const* ()>&& generator)
+        : _generator(std::move(generator)), _current(_generator())
+    { }
+
+    int const* operator*() const { return _current; }
+    int const* operator->() const { return _current; }
+    ThreatListIterator& operator++() { _current = _generator(); return *this; }
+    bool operator==(ThreatListIterator const& o) const { return _current == o._current; }
+    bool operator!=(ThreatListIterator const& o) const { return _current != o._current; }
+    bool operator==(std::nullptr_t) const { return _current == nullptr; }
+    bool operator!=(std::nullptr_t) const { return _current != nullptr; }
+};
+
+std::vector<int> ints{ 1, 2, 3, 4 };
+
+Trinity::IteratorPair<ThreatListIterator, std::nullptr_t> GetUnsortedThreatList()
+{
+    auto itr = ints.begin();
+    auto end = ints.end();
+    std::function<int const* ()> generator = [itr, end]() mutable -> int const*
+    {
+        if (itr == end)
+            return nullptr;
+
+        return &*(itr++);
+    };
+    return { ThreatListIterator{ std::move(generator) }, nullptr };
+}
+
+TEST_CASE("Check generator logic", "[ThreatListIterator]")
+{
+    std::vector<int> iterated;
+    for (int const* i : GetUnsortedThreatList())
+        iterated.push_back(*i);
+
+    REQUIRE(iterated == ints);
+}