Added LuaBridge support

1 files changed, 110 insertions, 0 deletions

diff --git a/lib/LuaBridge/Tests/Source/RefCountedPtrTests.cpp b/lib/LuaBridge/Tests/Source/RefCountedPtrTests.cpp
new file mode 100644
index 0000000..4e5f582
--- /dev/null
+++ b/lib/LuaBridge/Tests/Source/RefCountedPtrTests.cpp
@@ -0,0 +1,110 @@
+// https://github.com/vinniefalco/LuaBridge
+//
+// Copyright 2019, Dmitry Tarakanov
+// SPDX-License-Identifier: MIT
+
+#include "TestBase.h"
+
+#include "LuaBridge/RefCountedPtr.h"
+
+
+struct RefCountedPtrTests : TestBase
+{
+  template <class T>
+  T variable(const std::string& name)
+  {
+    runLua("result = " + name);
+    return result().cast <T>();
+  }
+};
+
+namespace {
+
+struct RefCounted : luabridge::RefCountedObject
+{
+  explicit RefCounted(bool& deleted)
+    : deleted (deleted)
+  {
+    deleted = false;
+  }
+
+  ~RefCounted()
+  {
+    deleted = true;
+  }
+
+  bool isDeleted () const
+  {
+    return deleted;
+  }
+
+  bool& deleted;
+};
+
+} // namespace
+
+TEST_F (RefCountedPtrTests, Operators)
+{
+  bool deleted1 = false;
+  auto* raw_ptr1 = new RefCounted (deleted1);
+  luabridge::RefCountedObjectPtr <RefCounted> ptr1 (raw_ptr1);
+
+  bool deleted2 = false;
+  auto* raw_ptr2 = new RefCounted (deleted2);
+  luabridge::RefCountedObjectPtr <RefCounted> ptr2 (raw_ptr2);
+
+  ASSERT_TRUE (raw_ptr1 == ptr1.getObject ());
+  ASSERT_TRUE (ptr1.getObject () == raw_ptr1);
+}
+
+TEST_F (RefCountedPtrTests, LastReferenceInLua)
+{
+  luabridge::getGlobalNamespace (L)
+    .beginClass <RefCounted> ("Class")
+    .addProperty ("deleted", &RefCounted::isDeleted)
+    .endClass ();
+
+  bool deleted = false;
+
+  luabridge::RefCountedObjectPtr <RefCounted> object (new RefCounted (deleted));
+
+  luabridge::setGlobal (L, object, "object");
+  runLua("result = object.deleted");
+  ASSERT_EQ (true, result ().isBool ());
+  ASSERT_EQ (false, result <bool> ());
+
+  object = nullptr;
+  runLua("result = object.deleted");
+  ASSERT_EQ(true, result ().isBool ());
+  ASSERT_EQ(false, result <bool>());
+  ASSERT_EQ(false, deleted);
+
+  runLua ("object = nil");
+  lua_gc (L, LUA_GCCOLLECT, 1);
+
+  ASSERT_EQ (true, deleted);
+}
+
+TEST_F (RefCountedPtrTests, LastReferenceInCpp)
+{
+  luabridge::getGlobalNamespace (L)
+    .beginClass <RefCounted> ("Class")
+    .addProperty ("deleted", &RefCounted::isDeleted)
+    .endClass ();
+
+  bool deleted = false;
+
+  luabridge::RefCountedObjectPtr <RefCounted> object (new RefCounted (deleted));
+
+  luabridge::setGlobal (L, object, "object");
+  runLua("result = object.deleted");
+  ASSERT_EQ (true, result ().isBool ());
+  ASSERT_EQ (false, result <bool> ());
+
+  runLua ("object = nil");
+  lua_gc (L, LUA_GCCOLLECT, 1);
+  ASSERT_EQ(false, deleted);
+
+  object = nullptr;
+  ASSERT_EQ (true, deleted);
+}