filter_input_unittests.cc

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// 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 <memory>
#include "flutter/testing/testing.h"
#include "gtest/gtest.h"
#include "impeller/entity/contents/filters/inputs/filter_input.h"
#include "impeller/entity/entity.h"
#include "impeller/geometry/geometry_asserts.h"
 
namespace impeller {
namespace testing {
 
TEST(FilterInputTest, CanSetLocalTransformForTexture) {
  std::shared_ptr<Texture> texture = nullptr;
  auto input =
      FilterInput::Make(texture, Matrix::MakeTranslation({1.0, 0.0, 0.0}));
  Entity e;
  e.SetTransform(Matrix::MakeTranslation({0.0, 2.0, 0.0}));
 
  ASSERT_MATRIX_NEAR(input->GetLocalTransform(e),
                     Matrix::MakeTranslation({1.0, 0.0, 0.0}));
  ASSERT_MATRIX_NEAR(input->GetTransform(e),
                     Matrix::MakeTranslation({1.0, 2.0, 0.0}));
}
 
}  // namespace testing
}  // namespace impeller