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- // Copyright (c) 2012 The Chromium 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 "ui/gfx/geometry/point3_f.h"
- #include <stddef.h>
- #include "testing/gtest/include/gtest/gtest.h"
- namespace gfx {
- TEST(Point3FTest, VectorArithmetic) {
- gfx::Point3F a(1.6f, 5.1f, 3.2f);
- gfx::Vector3dF v1(3.1f, -3.2f, 9.3f);
- gfx::Vector3dF v2(-8.1f, 1.2f, 3.3f);
- static const struct {
- gfx::Point3F expected;
- gfx::Point3F actual;
- } tests[] = {
- { gfx::Point3F(4.7f, 1.9f, 12.5f), a + v1 },
- { gfx::Point3F(-1.5f, 8.3f, -6.1f), a - v1 },
- { a, a - v1 + v1 },
- { a, a + v1 - v1 },
- { a, a + gfx::Vector3dF() },
- { gfx::Point3F(12.8f, 0.7f, 9.2f), a + v1 - v2 },
- { gfx::Point3F(-9.6f, 9.5f, -2.8f), a - v1 + v2 }
- };
- for (size_t i = 0; i < std::size(tests); ++i)
- EXPECT_EQ(tests[i].expected.ToString(),
- tests[i].actual.ToString());
- a += v1;
- EXPECT_EQ(Point3F(4.7f, 1.9f, 12.5f).ToString(), a.ToString());
- a -= v2;
- EXPECT_EQ(Point3F(12.8f, 0.7f, 9.2f).ToString(), a.ToString());
- }
- TEST(Point3FTest, VectorFromPoints) {
- gfx::Point3F a(1.6f, 5.2f, 3.2f);
- gfx::Vector3dF v1(3.1f, -3.2f, 9.3f);
- gfx::Point3F b(a + v1);
- EXPECT_EQ((b - a).ToString(), v1.ToString());
- }
- TEST(Point3FTest, Scale) {
- EXPECT_EQ(Point3F().ToString(), ScalePoint(Point3F(), 2.f).ToString());
- EXPECT_EQ(Point3F().ToString(),
- ScalePoint(Point3F(), 2.f, 2.f, 2.f).ToString());
- EXPECT_EQ(Point3F(2.f, -2.f, 4.f).ToString(),
- ScalePoint(Point3F(1.f, -1.f, 2.f), 2.f).ToString());
- EXPECT_EQ(Point3F(2.f, -3.f, 8.f).ToString(),
- ScalePoint(Point3F(1.f, -1.f, 2.f), 2.f, 3.f, 4.f).ToString());
- Point3F zero;
- zero.Scale(2.f);
- zero.Scale(6.f, 3.f, 1.5f);
- EXPECT_EQ(Point3F().ToString(), zero.ToString());
- Point3F point(1.f, -1.f, 2.f);
- point.Scale(2.f);
- point.Scale(6.f, 3.f, 1.5f);
- EXPECT_EQ(Point3F(12.f, -6.f, 6.f).ToString(), point.ToString());
- }
- TEST(Point3FTest, IsOrigin) {
- EXPECT_TRUE(Point3F().IsOrigin());
- EXPECT_FALSE(Point3F(0, 0, 0.1f).IsOrigin());
- EXPECT_FALSE(Point3F(0, 0.1f, 0).IsOrigin());
- EXPECT_FALSE(Point3F(0.1f, 0, 0).IsOrigin());
- EXPECT_FALSE(Point3F(0, 0, -0.1f).IsOrigin());
- EXPECT_FALSE(Point3F(0, -0.1f, 0).IsOrigin());
- EXPECT_FALSE(Point3F(-0.1f, 0, 0).IsOrigin());
- }
- TEST(Point3FTest, OffsetFromOrigin) {
- EXPECT_EQ(Vector3dF(1.25f, 2.5f, -3.75f),
- Point3F(1.25f, 2.5f, -3.75f).OffsetFromOrigin());
- }
- TEST(Point3FTest, ToString) {
- EXPECT_EQ("1.03125,2.5,-3", Point3F(1.03125, 2.5, -3).ToString());
- }
- } // namespace gfx
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