text: /*
   * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "gfx_utils/geometry2d.h"
  
  #include <climits>
  #include <gtest/gtest.h>
  
  using namespace testing::ext;
  
  namespace OHOS {
  namespace {
      const uint16_t VECTOR2_SIZE = 4;
      const int16_t BASE_VALUE = BASE_VALUE;
      const int16_t TWOFOLD_VALUE = 2 * BASE_VALUE;
      const int16_t THREEFOLD_VALUE = 3 * BASE_VALUE;
      const int16_t FOURFOLD_VALUE = 4 * BASE_VALUE;
      const int16_t FIVEFOLD_VALUE = 5 * BASE_VALUE;
  }
  
  class Geometry2dTest : public testing::Test {
  public:
      static void SetUpTestCase(void) {}
      static void TearDownTestCase(void) {}
  };
  
  /**
   * @tc.name: LineOperator_001
   * @tc.desc: Verify index operator function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, LineOperator_001, TestSize.Level0)
  {
      Vector2<int16_t> pt1 = { BASE_VALUE, TWOFOLD_VALUE };
      Vector2<int16_t> pt2 = { THREEFOLD_VALUE, FOURFOLD_VALUE };
      Line* line = new Line(pt1, pt2);
  
      EXPECT_EQ(line->operator[](0).x_, BASE_VALUE);
      EXPECT_EQ(line->operator[](0).y_, TWOFOLD_VALUE);
      EXPECT_EQ(line->operator[](1).x_, THREEFOLD_VALUE);
      EXPECT_EQ(line->operator[](1).y_, FOURFOLD_VALUE);
      delete line;
  }
  
  /**
   * @tc.name: LineOperator_002
   * @tc.desc: Verify index operator function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, LineOperator_002, TestSize.Level1)
  {
      int16_t x1 = BASE_VALUE;
      int16_t y1 = TWOFOLD_VALUE;
      int16_t x2 = THREEFOLD_VALUE;
      int16_t y2 = FOURFOLD_VALUE;
      Line* line = new Line(BASE_VALUE, TWOFOLD_VALUE, THREEFOLD_VALUE, FOURFOLD_VALUE);
      if (line == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      EXPECT_EQ(line->operator[](0).x_, BASE_VALUE);
      EXPECT_EQ(line->operator[](0).y_, TWOFOLD_VALUE);
      EXPECT_EQ(line->operator[](1).x_, THREEFOLD_VALUE);
      EXPECT_EQ(line->operator[](1).y_, FOURFOLD_VALUE);
      delete line;
  }
  
  /**
   * @tc.name: PolygonMakeAABB_001
   * @tc.desc: Verify MakeAABB function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, PolygonMakeAABB_001, TestSize.Level0)
  {
      Vector2<int16_t> vertexes[VECTOR2_SIZE] =
          { {0, 0}, {FIVEFOLD_VALUE, BASE_VALUE},
          {THREEFOLD_VALUE, FIVEFOLD_VALUE}, {BASE_VALUE, THREEFOLD_VALUE} };
      Polygon* polygon = new Polygon(vertexes, VECTOR2_SIZE);
      if (polygon == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      Rect rect = polygon->MakeAABB();
  
      EXPECT_EQ(rect.GetLeft(), 0);
      EXPECT_EQ(rect.GetTop(), 0);
      EXPECT_EQ(rect.GetRight(), FIVEFOLD_VALUE);
      EXPECT_EQ(rect.GetBottom(), FIVEFOLD_VALUE);
      delete polygon;
  }
  
  /**
   * @tc.name: PolygonGetVertexNum_001
   * @tc.desc: Verify GetVertexNum function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, PolygonGetVertexNum_001, TestSize.Level0)
  {
      Vector2<int16_t> vertexes[VECTOR2_SIZE] =
          { { 0, 0 }, { FIVEFOLD_VALUE, BASE_VALUE },
          { THREEFOLD_VALUE, FIVEFOLD_VALUE }, { BASE_VALUE, THREEFOLD_VALUE } };
      Polygon* polygon = new Polygon(vertexes, VECTOR2_SIZE);
      if (polygon == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
  
      EXPECT_EQ(polygon->GetVertexNum(), VECTOR2_SIZE);
      delete polygon;
  }
  
  /**
   * @tc.name: PolygonSetVertexNum_001
   * @tc.desc: Verify SetVertexNum function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, PolygonSetVertexNum_001, TestSize.Level0)
  {
      Polygon* polygon = new Polygon();
      if (polygon == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      const uint16_t VERTEX_NUM = 8;
      polygon->SetVertexNum(VERTEX_NUM);
  
      EXPECT_EQ(polygon->GetVertexNum(), VERTEX_NUM);
      delete polygon;
  }
  
  /**
   * @tc.name: PolygonOperator_001
   * @tc.desc: Verify operator[] function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, PolygonOperator_001, TestSize.Level0)
  {
      Vector2<int16_t> vertexes[VECTOR2_SIZE] =
          { { 0, 0 }, { FIVEFOLD_VALUE, BASE_VALUE },
          { THREEFOLD_VALUE, FIVEFOLD_VALUE }, { BASE_VALUE, THREEFOLD_VALUE } };
      Polygon* polygon = new Polygon(vertexes, VECTOR2_SIZE);
      if (polygon == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      EXPECT_EQ(polygon->operator[](1).x_, FIVEFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](2).y_, FIVEFOLD_VALUE);
  
      delete polygon;
  }
  
  /**
   * @tc.name: PolygonOperator_002
   * @tc.desc: Verify operator[] function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, PolygonOperator_002, TestSize.Level0)
  {
      Rect rect(BASE_VALUE, TWOFOLD_VALUE, THREEFOLD_VALUE, FOURFOLD_VALUE);
      Polygon* polygon = new Polygon(rect);
      if (polygon == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      uint16_t i = 0;
      EXPECT_EQ(polygon->operator[](i).x_, BASE_VALUE);
      EXPECT_EQ(polygon->operator[](i++).y_, TWOFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i).x_, THREEFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i++).y_, TWOFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i).x_, THREEFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i++).y_, FOURFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i).x_, BASE_VALUE);
      EXPECT_EQ(polygon->operator[](i++).y_, FOURFOLD_VALUE);
      EXPECT_EQ(polygon->GetVertexNum(), VECTOR2_SIZE);
  
      delete polygon;
  }
  
  /**
   * @tc.name: Geometry2dIntersect_001
   * @tc.desc: Verify Intersect function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, Geometry2dIntersect_001, TestSize.Level0)
  {
      Vector2<int16_t> pt11 = { 0, TWOFOLD_VALUE };
      Vector2<int16_t> pt12 = { FOURFOLD_VALUE, TWOFOLD_VALUE };
      Line* line1 = new Line(pt11, pt12);
      if (line1 == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      Vector2<int16_t> pt21 = { TWOFOLD_VALUE, 0 };
      Vector2<int16_t> pt22 = { TWOFOLD_VALUE, FOURFOLD_VALUE };
      Line* line2 = new Line(pt21, pt22);
      if (line2 == nullptr) {
          delete line1;
          EXPECT_EQ(1, 0);
          return;
      }
      Vector2<int16_t> pt31 = { 0, 0 };
      Vector2<int16_t> pt32 = { FIVEFOLD_VALUE, 0 };
      Line* line3 = new Line(pt31, pt32);
      if (line3 == nullptr) {
          delete line1;
          delete line2;
          EXPECT_EQ(1, 0);
          return;
      }
      Vector2<int16_t> out;
  
      EXPECT_EQ(Intersect(*line1, *line2, out), false);
      EXPECT_EQ(out.x_, TWOFOLD_VALUE);
      EXPECT_EQ(out.y_, TWOFOLD_VALUE);
  
      delete line1;
      delete line2;
      delete line3;
  }
  
  /**
   * @tc.name: Geometry2dIsIntersect_001
   * @tc.desc: Verify IsIntersect function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, Geometry2dIsIntersect_001, TestSize.Level0)
  {
      Vector2<int16_t> pt11 = { 0, TWOFOLD_VALUE };
      Vector2<int16_t> pt12 = { FOURFOLD_VALUE, TWOFOLD_VALUE };
      Line* line1 = new Line(pt11, pt12);
      if (line1 == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      Vector2<int16_t> pt21 = { TWOFOLD_VALUE, 0 };
      Vector2<int16_t> pt22 = { TWOFOLD_VALUE, FOURFOLD_VALUE };
      Line* line2 = new Line(pt21, pt22);
      if (line2 == nullptr) {
          delete line1;
          EXPECT_EQ(1, 0);
          return;
      }
      Vector2<int16_t> pt31 = { 0, 0 };
      Vector2<int16_t> pt32 = { FIVEFOLD_VALUE, 0 };
      Line* line3 = new Line(pt31, pt32);
      if (line3 == nullptr) {
          delete line1;
          delete line2;
          EXPECT_EQ(1, 0);
          return;
      }
      EXPECT_EQ(IsIntersect(*line1, *line2), true);
  
      delete line1;
      delete line2;
      delete line3;
  }
  
  /**
   * @tc.name: Geometry2dClip_001
   * @tc.desc: Verify Clip function, equal.
   * @tc.type: FUNC
   * @tc.require: AR000EEMQ9
   */
  HWTEST_F(Geometry2dTest, Geometry2dClip_001, TestSize.Level0)
  {
      Vector2<int16_t> vertexes[VECTOR2_SIZE] =
          { { 0, 0 }, { FIVEFOLD_VALUE, BASE_VALUE },
          { THREEFOLD_VALUE, FIVEFOLD_VALUE }, { BASE_VALUE, THREEFOLD_VALUE } };
      Polygon* polygon = new Polygon(vertexes, VECTOR2_SIZE);
      if (polygon == nullptr) {
          EXPECT_EQ(1, 0);
          return;
      }
      Vector2<int16_t> pt11 = { BASE_VALUE, THREEFOLD_VALUE };
      Vector2<int16_t> pt12 = { FIVEFOLD_VALUE, BASE_VALUE };
      Line* line = new Line(pt11, pt12);
      if (line == nullptr) {
          delete polygon;
          EXPECT_EQ(1, 0);
          return;
      }
      Clip(*polygon, *line);
      uint16_t i = 0;
      EXPECT_EQ(polygon->GetVertexNum(), 0);
      EXPECT_EQ(polygon->operator[](i).x_, FIVEFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i++).y_, BASE_VALUE);
      EXPECT_EQ(polygon->operator[](i).x_, BASE_VALUE);
      EXPECT_EQ(polygon->operator[](i++).y_, THREEFOLD_VALUE);
      EXPECT_EQ(polygon->operator[](i).x_, 0);
      EXPECT_EQ(polygon->operator[](i++).y_, 0);
  
      delete polygon;
      delete line;
  }
  } // namespace OHOS