Draw pen lines in SpriteModel::onMoved()

Author: adazem009

src/spritemodel.cpp

@@ -62,6 +62,8 @@ void SpriteModel::onYChanged(double y)
 
 void SpriteModel::onMoved(double oldX, double oldY, double newX, double newY)
 {
+    if (m_penDown && m_penLayer)
+        m_penLayer->drawLine(m_penAttributes, oldX, oldY, newX, newY);
 }
 
 void SpriteModel::onSizeChanged(double size)

test/target_models/spritemodel_test.cpp

@@ -135,6 +135,23 @@ TEST(SpriteModelTest, OnYChanged)
     model.onYChanged(-46.1);
 }
 
+TEST(SpriteModelTest, OnMoved)
+{
+    SpriteModel model;
+
+    PenLayerMock penLayer;
+    model.setPenLayer(&penLayer);
+
+    EXPECT_CALL(penLayer, drawLine).Times(0);
+    model.onMoved(-15.6, 54.9, 159.04, -2.5);
+
+    model.setPenDown(true);
+    PenAttributes &attr = model.penAttributes();
+
+    EXPECT_CALL(penLayer, drawLine(_, -15.6, 54.9, 159.04, -2.5)).WillOnce(WithArgs<0>(Invoke([&attr](const PenAttributes &attrArg) { ASSERT_EQ(&attr, &attrArg); })));
+    model.onMoved(-15.6, 54.9, 159.04, -2.5);
+}
+
 TEST(SpriteModelTest, OnSizeChanged)
 {
     SpriteModel model;