C++ (Cpp) LayerList::eraseの例

コード例 #1

ファイル: layer_list_tests.cpp プロジェクト: imeteora/aseprite

TEST(LayerList, AreLayersAdjacent)
{
  std::unique_ptr<Sprite> spr(new Sprite(IMAGE_RGB, 32, 32, 256));
  LayerGroup* root = spr->root();
  Layer* layer1 = new LayerImage(spr.get());
  Layer* layer2 = new LayerImage(spr.get());
  Layer* layer3 = new LayerImage(spr.get());
  Layer* layer4 = new LayerImage(spr.get());
  root->addLayer(layer1);
  root->addLayer(layer2);
  root->addLayer(layer3);
  root->addLayer(layer4);

  LayerList layers;
  root->allLayers(layers);
  EXPECT_EQ(4, layers.size());
  EXPECT_TRUE(are_layers_adjacent(layers));

  std::reverse(layers.begin(), layers.end());
  EXPECT_EQ(4, layers.size());
  EXPECT_TRUE(are_layers_adjacent(layers));

  layers.erase(layers.begin());
  EXPECT_EQ(3, layers.size());
  EXPECT_TRUE(are_layers_adjacent(layers));

  layers.erase(layers.begin()+1);
  EXPECT_EQ(2, layers.size());
  EXPECT_FALSE(are_layers_adjacent(layers));

  std::reverse(layers.begin(), layers.end());
  EXPECT_EQ(2, layers.size());
  EXPECT_FALSE(are_layers_adjacent(layers));

  layers.erase(layers.begin());
  EXPECT_EQ(1, layers.size());
  EXPECT_TRUE(are_layers_adjacent(layers));
}