| 1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "flutter/flow/layers/offscreen_surface.h" |
| 6 | |
| 7 | #include <memory> |
| 8 | |
| 9 | #include "gtest/gtest.h" |
| 10 | #include "include/core/SkColor.h" |
| 11 | #include "third_party/skia/include/core/SkCanvas.h" |
| 12 | #include "third_party/skia/include/core/SkData.h" |
| 13 | |
| 14 | namespace flutter::testing { |
| 15 | |
| 16 | TEST(OffscreenSurfaceTest, EmptySurfaceIsInvalid) { |
| 17 | auto surface = |
| 18 | std::make_unique<OffscreenSurface>(args: nullptr, args: SkISize::MakeEmpty()); |
| 19 | ASSERT_FALSE(surface->IsValid()); |
| 20 | } |
| 21 | |
| 22 | TEST(OffscreenSurfaceTest, OnexOneSurfaceIsValid) { |
| 23 | auto surface = |
| 24 | std::make_unique<OffscreenSurface>(args: nullptr, args: SkISize::Make(w: 1, h: 1)); |
| 25 | ASSERT_TRUE(surface->IsValid()); |
| 26 | } |
| 27 | |
| 28 | TEST(OffscreenSurfaceTest, PaintSurfaceBlack) { |
| 29 | auto surface = |
| 30 | std::make_unique<OffscreenSurface>(args: nullptr, args: SkISize::Make(w: 1, h: 1)); |
| 31 | |
| 32 | DlCanvas* canvas = surface->GetCanvas(); |
| 33 | canvas->Clear(color: DlColor::kBlack()); |
| 34 | canvas->Flush(); |
| 35 | |
| 36 | auto raster_data = surface->GetRasterData(compressed: false); |
| 37 | const uint32_t* actual = |
| 38 | reinterpret_cast<const uint32_t*>(raster_data->data()); |
| 39 | |
| 40 | // picking black as the color since byte ordering seems to matter. |
| 41 | ASSERT_EQ(actual[0], 0xFF000000u); |
| 42 | } |
| 43 | |
| 44 | } // namespace flutter::testing |
| 45 |