Consolidate testing memory setup

src/tests/main.cpp

@@ -7,3 +7,40 @@ void * operator new[] (size_t n)				{ return ::malloc(n); }
 void operator delete (void *p) noexcept			{ return ::free(p); }
 void operator delete[] (void *p) noexcept		{ return ::free(p); }
 
+#include "kutil/heap_manager.h"
+#include "kutil/memory.h"
+
+struct default_heap_listener : 
+	public Catch::TestEventListenerBase
+{
+	using TestEventListenerBase::TestEventListenerBase;
+
+	virtual void testCaseStarting(Catch::TestCaseInfo const& info) override
+	{
+		heap = new kutil::heap_manager(heap_grow_callback);
+		kutil::setup::set_heap(heap);
+	}
+
+	virtual void testCaseEnded(Catch::TestCaseStats const& stats) override
+	{
+		kutil::setup::set_heap(nullptr);
+		delete heap;
+
+		for (void *p : memory) ::free(p);
+		memory.clear();
+	}
+
+	static std::vector<void *> memory;
+	static kutil::heap_manager *heap;
+
+	static void * heap_grow_callback(size_t length) {
+		void *p = aligned_alloc(length, length);
+		memory.push_back(p);
+		return p;
+	}
+};
+
+std::vector<void *> default_heap_listener::memory;
+kutil::heap_manager *default_heap_listener::heap;
+
+CATCH_REGISTER_LISTENER( default_heap_listener );