| OLD | NEW |
| (Empty) |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/gfx/point3_f.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "testing/gtest/include/gtest/gtest.h" | |
| 9 | |
| 10 namespace gfx { | |
| 11 | |
| 12 TEST(Point3Test, VectorArithmetic) { | |
| 13 gfx::Point3F a(1.6f, 5.1f, 3.2f); | |
| 14 gfx::Vector3dF v1(3.1f, -3.2f, 9.3f); | |
| 15 gfx::Vector3dF v2(-8.1f, 1.2f, 3.3f); | |
| 16 | |
| 17 static const struct { | |
| 18 gfx::Point3F expected; | |
| 19 gfx::Point3F actual; | |
| 20 } tests[] = { | |
| 21 { gfx::Point3F(4.7f, 1.9f, 12.5f), a + v1 }, | |
| 22 { gfx::Point3F(-1.5f, 8.3f, -6.1f), a - v1 }, | |
| 23 { a, a - v1 + v1 }, | |
| 24 { a, a + v1 - v1 }, | |
| 25 { a, a + gfx::Vector3dF() }, | |
| 26 { gfx::Point3F(12.8f, 0.7f, 9.2f), a + v1 - v2 }, | |
| 27 { gfx::Point3F(-9.6f, 9.5f, -2.8f), a - v1 + v2 } | |
| 28 }; | |
| 29 | |
| 30 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) | |
| 31 EXPECT_EQ(tests[i].expected.ToString(), | |
| 32 tests[i].actual.ToString()); | |
| 33 | |
| 34 a += v1; | |
| 35 EXPECT_EQ(Point3F(4.7f, 1.9f, 12.5f).ToString(), a.ToString()); | |
| 36 | |
| 37 a -= v2; | |
| 38 EXPECT_EQ(Point3F(12.8f, 0.7f, 9.2f).ToString(), a.ToString()); | |
| 39 } | |
| 40 | |
| 41 TEST(Point3Test, VectorFromPoints) { | |
| 42 gfx::Point3F a(1.6f, 5.2f, 3.2f); | |
| 43 gfx::Vector3dF v1(3.1f, -3.2f, 9.3f); | |
| 44 | |
| 45 gfx::Point3F b(a + v1); | |
| 46 EXPECT_EQ((b - a).ToString(), v1.ToString()); | |
| 47 } | |
| 48 | |
| 49 TEST(Point3Test, Scale) { | |
| 50 EXPECT_EQ(Point3F().ToString(), ScalePoint(Point3F(), 2.f).ToString()); | |
| 51 EXPECT_EQ(Point3F().ToString(), | |
| 52 ScalePoint(Point3F(), 2.f, 2.f, 2.f).ToString()); | |
| 53 | |
| 54 EXPECT_EQ(Point3F(2.f, -2.f, 4.f).ToString(), | |
| 55 ScalePoint(Point3F(1.f, -1.f, 2.f), 2.f).ToString()); | |
| 56 EXPECT_EQ(Point3F(2.f, -3.f, 8.f).ToString(), | |
| 57 ScalePoint(Point3F(1.f, -1.f, 2.f), 2.f, 3.f, 4.f).ToString()); | |
| 58 | |
| 59 Point3F zero; | |
| 60 zero.Scale(2.f); | |
| 61 zero.Scale(6.f, 3.f, 1.5f); | |
| 62 EXPECT_EQ(Point3F().ToString(), zero.ToString()); | |
| 63 | |
| 64 Point3F point(1.f, -1.f, 2.f); | |
| 65 point.Scale(2.f); | |
| 66 point.Scale(6.f, 3.f, 1.5f); | |
| 67 EXPECT_EQ(Point3F(12.f, -6.f, 6.f).ToString(), point.ToString()); | |
| 68 } | |
| 69 | |
| 70 } // namespace gfx | |
| OLD | NEW |