| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/flow/layers/texture_layer.h" |
| |
| #include "flutter/flow/testing/layer_test.h" |
| #include "flutter/flow/testing/mock_layer.h" |
| #include "flutter/flow/testing/mock_texture.h" |
| #include "flutter/fml/macros.h" |
| #include "flutter/testing/mock_canvas.h" |
| |
| namespace flutter { |
| namespace testing { |
| |
| using TextureLayerTest = LayerTest; |
| |
| TEST_F(TextureLayerTest, InvalidTexture) { |
| const SkPoint layer_offset = SkPoint::Make(0.0f, 0.0f); |
| const SkSize layer_size = SkSize::Make(8.0f, 8.0f); |
| auto layer = |
| std::make_shared<TextureLayer>(layer_offset, layer_size, 0, false); |
| |
| layer->Preroll(preroll_context(), SkMatrix()); |
| EXPECT_EQ(layer->paint_bounds(), |
| (SkRect::MakeSize(layer_size) |
| .makeOffset(layer_offset.fX, layer_offset.fY))); |
| EXPECT_TRUE(layer->needs_painting()); |
| |
| layer->Paint(paint_context()); |
| EXPECT_EQ(mock_canvas().draw_calls(), std::vector<MockCanvas::DrawCall>()); |
| } |
| |
| TEST_F(TextureLayerTest, PaintingEmptyLayerDies) { |
| const SkPoint layer_offset = SkPoint::Make(0.0f, 0.0f); |
| const SkSize layer_size = SkSize::Make(0.0f, 0.0f); |
| const int64_t texture_id = 0; |
| auto mock_texture = std::make_shared<MockTexture>(texture_id); |
| auto layer = std::make_shared<TextureLayer>(layer_offset, layer_size, |
| texture_id, false); |
| |
| // Ensure the texture is located by the Layer. |
| preroll_context()->texture_registry.RegisterTexture(mock_texture); |
| |
| layer->Preroll(preroll_context(), SkMatrix()); |
| EXPECT_EQ(layer->paint_bounds(), kEmptyRect); |
| EXPECT_FALSE(layer->needs_painting()); |
| |
| layer->Paint(paint_context()); |
| EXPECT_EQ(mock_texture->paint_calls(), |
| std::vector({MockTexture::PaintCall{ |
| mock_canvas(), layer->paint_bounds(), false, nullptr}})); |
| EXPECT_EQ(mock_canvas().draw_calls(), std::vector<MockCanvas::DrawCall>()); |
| } |
| |
| } // namespace testing |
| } // namespace flutter |