Function TEST

snap_drawing/test/src/TouchDispatcher_tests.cpp:9–44

namespace snap::drawing {

TEST(Layer, canResolveCoordinates) {
    auto rootView = createView(25, 25, 100, 100);
    auto middleView = createView(5, 5, 50, 50);
    auto leafView = createView(7, 9, 10, 10);

    rootView->addChild(middleView);
    middleView->addChild(leafView);

    ASSERT_EQ(Rect::makeXYWH(25, 25, 100, 100), rootView->getVisualFrame());
    ASSERT_EQ(Rect::makeXYWH(5, 5, 50, 50), middleView->getVisualFrame());
    ASSERT_EQ(Rect::makeXYWH(7, 9, 10, 10), leafView->getVisualFrame());

    ASSERT_EQ(Rect::makeXYWH(25, 25, 100, 100), rootView->getAbsoluteVisualFrame());
    ASSERT_EQ(Rect::makeXYWH(30, 30, 50, 50), middleView->getAbsoluteVisualFrame());
    ASSERT_EQ(Rect::makeXYWH(37, 39, 10, 10), leafView->getAbsoluteVisualFrame());

    // 7, 9
    // 12, 14
    //

    auto result = rootView->convertPointToLayer(Point::make(2, 15), rootView);
    ASSERT_TRUE(result.has_value());
    ASSERT_EQ(Point::make(2, 15), result.value());

    result = rootView->convertPointToLayer(Point::make(2, 15), middleView);
    ASSERT_TRUE(result.has_value());
    ASSERT_EQ(Point::make(-3, 10), result.value());

    result = rootView->convertPointToLayer(Point::make(2, 15), leafView);
    ASSERT_TRUE(result.has_value());
    ASSERT_EQ(Point::make(-10, 1), result.value());

    result = middleView->convertPointToLayer(Point::make(-3, 10), leafView);
    ASSERT_TRUE(result.has_value());
    ASSERT_EQ(Point::make(-10, 1), result.value());
}

TEST(Layer, canResolveCoordinatesWithTranslate) {
    auto rootView = createView(25, 25, 100, 100);