third_party/blink/renderer/platform/geometry/float_box_test.cc

/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES,:tabnew INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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#include "third_party/blink/renderer/platform/geometry/float_box.h"

#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/geometry/float_box_test_helpers.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

TEST(FloatBoxTest, SimpleCreationTest) {
  FloatBox box(1, 2, 3, 4, 5, 6);
  EXPECT_EQ(1, box.X());
  EXPECT_EQ(2, box.Y());
  EXPECT_EQ(3, box.Z());
  EXPECT_EQ(4, box.Width());
  EXPECT_EQ(5, box.Height());
  EXPECT_EQ(6, box.Depth());
  EXPECT_EQ(5, box.Right());
  EXPECT_EQ(7, box.Bottom());
  EXPECT_EQ(9, box.front());
}

TEST(FloatBoxTest, PositionTest) {
  FloatBox box(0, 0, 0, 4, 4, 4);
  box.Move(FloatPoint3D(1, 2, 3));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(1, 2, 3, 4, 4, 4), box);
  box.SetOrigin(FloatPoint3D(-1, -2, -3));
  box.Move(FloatPoint3D(-1, -2, -3));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(-2, -4, -6, 4, 4, 4), box);
}

TEST(FloatBoxTest, CopyTest) {
  FloatBox box(1, 2, 3, 4, 4, 4);
  FloatBox box2(box);
  EXPECT_EQ(box, box2);
  box.SetSize(FloatPoint3D(3, 3, 3));
  EXPECT_NE(box, box2);
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(1, 2, 3, 3, 3, 3), box);
}

TEST(FloatBoxTest, FlattenTest) {
  FloatBox box(1, 2, 3, 4, 4, 4);
  box.Flatten();
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(1, 2, 0, 4, 4, 0), box);
}

TEST(FloatBoxTest, ExpandTests) {
  FloatBox box;
  box.ExpandTo(FloatPoint3D(10, -3, 2));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(0, -3, 0, 10, 3, 2), box);

  box.ExpandTo(FloatPoint3D(-15, 6, 8));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(-15, -3, 0, 25, 9, 8), box);

  box = FloatBox();
  box.ExpandTo(FloatPoint3D(-3, 6, 9), FloatPoint3D(-2, 10, 11));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(-3, 0, 0, 3, 10, 11), box);

  box = FloatBox();
  box.ExpandTo(FloatBox(-10, -10, -10, 3, 30, 40));
  box.ExpandTo(FloatBox(-11, 3, 50, 10, 15, 1));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(-11, -10, -10, 11, 30, 61), box);
}

TEST(FloatBoxTest, UnionTest) {
  FloatBox box;
  EXPECT_TRUE(box.IsEmpty());
  FloatBox unioned_box(3, 5, 6, 5, 3, 9);
  box.UnionBounds(unioned_box);
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, unioned_box, box);

  box.UnionBounds(FloatBox());
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual, unioned_box, box);

  box.UnionBounds(FloatBox(0, 0, 0, 1, 1, 1));
  EXPECT_PRED_FORMAT2(float_box_test::AssertAlmostEqual,
                      FloatBox(0, 0, 0, 8, 8, 15), box);
}

TEST(FloatBoxTest, EmptyBoxTest) {
  FloatBox box;
  EXPECT_TRUE(box.IsEmpty());
  box.ExpandTo(FloatPoint3D(1, 0, 0));
  EXPECT_TRUE(box.IsEmpty());
  box.ExpandTo(FloatPoint3D(0, 1, 0));
  EXPECT_FALSE(box.IsEmpty());
}

TEST(FloatBoxTest, ToString) {
  FloatBox box(2, 3, 5, 7, 11, 13);
  EXPECT_EQ("2,3,5 7x11x13", box.ToString());
}

}  // namespace blink