Add sprite interface getter

Author: adazem009

include/scratchcpp/sprite.h

@@ -29,6 +29,7 @@ class LIBSCRATCHCPP_EXPORT Sprite
         Sprite(const Sprite &) = delete;
 
         void setInterface(ISpriteHandler *newInterface);
+        ISpriteHandler *getInterface() const; // NOTE: This can't be called interface because of... Microsoft... (it wouldn't compile on Windows)
 
         std::shared_ptr<Sprite> clone();
         void deleteClone();

src/scratch/sprite.cpp

@@ -29,6 +29,12 @@ void Sprite::setInterface(ISpriteHandler *newInterface)
     impl->iface->init(this);
 }
 
+/*! Returns the sprite interface. */
+ISpriteHandler *Sprite::getInterface() const
+{
+    return impl->iface;
+}
+
 /*! Creates a clone of the sprite. */
 std::shared_ptr<Sprite> Sprite::clone()
 {

test/scratch_classes/sprite_test.cpp

@@ -23,6 +23,17 @@ TEST(SpriteTest, IsStage)
     ASSERT_FALSE(sprite.isStage());
 }
 
+TEST(SpriteTest, Interface)
+{
+    Sprite sprite;
+    ASSERT_EQ(sprite.getInterface(), nullptr);
+
+    SpriteHandlerMock handler;
+    EXPECT_CALL(handler, init);
+    sprite.setInterface(&handler);
+    ASSERT_EQ(sprite.getInterface(), &handler);
+}
+
 TEST(SpriteTest, Visible)
 {
     Sprite sprite;