geometry_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 "flutter/testing/testing.h"
#include "impeller/entity/geometry/geometry.h"
#include "impeller/geometry/path_builder.h"
 
namespace impeller {
namespace testing {
 
TEST(EntityGeometryTest, RectGeometryCoversArea) {
  auto geometry = Geometry::MakeRect(Rect::MakeLTRB(0, 0, 100, 100));
  ASSERT_TRUE(geometry->CoversArea({}, Rect::MakeLTRB(0, 0, 100, 100)));
  ASSERT_FALSE(geometry->CoversArea({}, Rect::MakeLTRB(-1, 0, 100, 100)));
  ASSERT_TRUE(geometry->CoversArea({}, Rect::MakeLTRB(1, 1, 100, 100)));
  ASSERT_TRUE(geometry->CoversArea({}, Rect()));
}
 
TEST(EntityGeometryTest, FillPathGeometryCoversArea) {
  auto path = PathBuilder{}.AddRect(Rect::MakeLTRB(0, 0, 100, 100)).TakePath();
  auto geometry = Geometry::MakeFillPath(
      path, /* inner rect */ Rect::MakeLTRB(0, 0, 100, 100));
  ASSERT_TRUE(geometry->CoversArea({}, Rect::MakeLTRB(0, 0, 100, 100)));
  ASSERT_FALSE(geometry->CoversArea({}, Rect::MakeLTRB(-1, 0, 100, 100)));
  ASSERT_TRUE(geometry->CoversArea({}, Rect::MakeLTRB(1, 1, 100, 100)));
  ASSERT_TRUE(geometry->CoversArea({}, Rect()));
}
 
TEST(EntityGeometryTest, FillPathGeometryCoversAreaNoInnerRect) {
  auto path = PathBuilder{}.AddRect(Rect::MakeLTRB(0, 0, 100, 100)).TakePath();
  auto geometry = Geometry::MakeFillPath(path);
  ASSERT_FALSE(geometry->CoversArea({}, Rect::MakeLTRB(0, 0, 100, 100)));
  ASSERT_FALSE(geometry->CoversArea({}, Rect::MakeLTRB(-1, 0, 100, 100)));
  ASSERT_FALSE(geometry->CoversArea({}, Rect::MakeLTRB(1, 1, 100, 100)));
  ASSERT_FALSE(geometry->CoversArea({}, Rect()));
}
 
}  // namespace testing
}  // namespace impeller