Function TEST

snap_drawing/test/src/Compositor_Tests.cpp:28–49

}

TEST(Compositor, doesNothingWhenNoExternalSurfacesArePresent) {
    DisplayListBuilder builder(100, 100);

    builder.context(Vector(0, 0), 1.0, [&]() {
        builder.rectangle(Size(50, 50), 1.0);

        builder.context(Vector(25, 25), 1.0, [&]() { builder.rectangle(Size(10, 10), 1.0); });

        builder.context(Vector(35, 35), 1.0, [&]() { builder.rectangle(Size(50, 50), 1.0); });

        builder.rectangle(Size(25, 25), 1.0);
    });

    Ref<DisplayList> outputDisplayList;
    auto planeList = performComposition(builder, &outputDisplayList);

    ASSERT_EQ(static_cast<size_t>(1), planeList.getPlanesCount());
    ASSERT_EQ(CompositorPlaneTypeDrawable, planeList.getPlaneAtIndex(0).getType());
    ASSERT_TRUE(planeList.getPlaneAtIndex(0).getExternalSurface() == nullptr);

    ASSERT_EQ(builder.displayList, outputDisplayList);
}

TEST(Compositor, emitsDedicatedLayerWhenAnExternalSurfaceIsPresent) {
    DisplayListBuilder builder(100, 100);