Move geometric types to a separate, more lightweight target.

ui/gfx/point_unittest.cc

-// 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/point_base.h"
-
-#include "base/basictypes.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/point_conversions.h"
-#include "ui/gfx/point_f.h"
-
-namespace gfx {
-
-namespace {
-
-int TestPointF(const PointF& p) {
-  return p.x();
-}
-
-}  // namespace
-
-TEST(PointTest, ToPointF) {
-  // Check that implicit conversion from integer to float compiles.
-  Point a(10, 20);
-  float x = TestPointF(a);
-  EXPECT_EQ(x, a.x());
-
-  PointF b(10, 20);
-  EXPECT_EQ(a, b);
-  EXPECT_EQ(b, a);
-}
-
-TEST(PointTest, IsOrigin) {
-  EXPECT_FALSE(Point(1, 0).IsOrigin());
-  EXPECT_FALSE(Point(0, 1).IsOrigin());
-  EXPECT_FALSE(Point(1, 2).IsOrigin());
-  EXPECT_FALSE(Point(-1, 0).IsOrigin());
-  EXPECT_FALSE(Point(0, -1).IsOrigin());
-  EXPECT_FALSE(Point(-1, -2).IsOrigin());
-  EXPECT_TRUE(Point(0, 0).IsOrigin());
-
-  EXPECT_FALSE(PointF(0.1f, 0).IsOrigin());
-  EXPECT_FALSE(PointF(0, 0.1f).IsOrigin());
-  EXPECT_FALSE(PointF(0.1f, 2).IsOrigin());
-  EXPECT_FALSE(PointF(-0.1f, 0).IsOrigin());
-  EXPECT_FALSE(PointF(0, -0.1f).IsOrigin());
-  EXPECT_FALSE(PointF(-0.1f, -2).IsOrigin());
-  EXPECT_TRUE(PointF(0, 0).IsOrigin());
-}
-
-TEST(PointTest, VectorArithmetic) {
-  Point a(1, 5);
-  Vector2d v1(3, -3);
-  Vector2d v2(-8, 1);
-
-  static const struct {
-    Point expected;
-    Point actual;
-  } tests[] = {
-    { Point(4, 2), a + v1 },
-    { Point(-2, 8), a - v1 },
-    { a, a - v1 + v1 },
-    { a, a + v1 - v1 },
-    { a, a + Vector2d() },
-    { Point(12, 1), a + v1 - v2 },
-    { Point(-10, 9), a - v1 + v2 }
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i)
-    EXPECT_EQ(tests[i].expected.ToString(), tests[i].actual.ToString());
-}
-
-TEST(PointTest, OffsetFromPoint) {
-  Point a(1, 5);
-  Point b(-20, 8);
-  EXPECT_EQ(Vector2d(-20 - 1, 8 - 5).ToString(), (b - a).ToString());
-}
-
-TEST(PointTest, ToRoundedPoint) {
-  EXPECT_EQ(Point(0, 0), ToRoundedPoint(PointF(0, 0)));
-  EXPECT_EQ(Point(0, 0), ToRoundedPoint(PointF(0.0001f, 0.0001f)));
-  EXPECT_EQ(Point(0, 0), ToRoundedPoint(PointF(0.4999f, 0.4999f)));
-  EXPECT_EQ(Point(1, 1), ToRoundedPoint(PointF(0.5f, 0.5f)));
-  EXPECT_EQ(Point(1, 1), ToRoundedPoint(PointF(0.9999f, 0.9999f)));
-
-  EXPECT_EQ(Point(10, 10), ToRoundedPoint(PointF(10, 10)));
-  EXPECT_EQ(Point(10, 10), ToRoundedPoint(PointF(10.0001f, 10.0001f)));
-  EXPECT_EQ(Point(10, 10), ToRoundedPoint(PointF(10.4999f, 10.4999f)));
-  EXPECT_EQ(Point(11, 11), ToRoundedPoint(PointF(10.5f, 10.5f)));
-  EXPECT_EQ(Point(11, 11), ToRoundedPoint(PointF(10.9999f, 10.9999f)));
-
-  EXPECT_EQ(Point(-10, -10), ToRoundedPoint(PointF(-10, -10)));
-  EXPECT_EQ(Point(-10, -10), ToRoundedPoint(PointF(-10.0001f, -10.0001f)));
-  EXPECT_EQ(Point(-10, -10), ToRoundedPoint(PointF(-10.4999f, -10.4999f)));
-  EXPECT_EQ(Point(-11, -11), ToRoundedPoint(PointF(-10.5f, -10.5f)));
-  EXPECT_EQ(Point(-11, -11), ToRoundedPoint(PointF(-10.9999f, -10.9999f)));
-}
-
-TEST(PointTest, Scale) {
-  EXPECT_EQ(PointF().ToString(), ScalePoint(Point(), 2).ToString());
-  EXPECT_EQ(PointF().ToString(), ScalePoint(Point(), 2, 2).ToString());
-
-  EXPECT_EQ(PointF(2, -2).ToString(),
-            ScalePoint(Point(1, -1), 2).ToString());
-  EXPECT_EQ(PointF(2, -2).ToString(),
-            ScalePoint(Point(1, -1), 2, 2).ToString());
-
-  PointF zero;
-  PointF one(1, -1);
-
-  zero.Scale(2);
-  zero.Scale(3, 1.5);
-
-  one.Scale(2);
-  one.Scale(3, 1.5);
-
-  EXPECT_EQ(PointF().ToString(), zero.ToString());
-  EXPECT_EQ(PointF(6, -3).ToString(), one.ToString());
-}
-
-TEST(PointTest, ClampPoint) {
-  Point a;
-
-  a = Point(3, 5);
-  EXPECT_EQ(Point(3, 5).ToString(), a.ToString());
-  a.SetToMax(Point(2, 4));
-  EXPECT_EQ(Point(3, 5).ToString(), a.ToString());
-  a.SetToMax(Point(3, 5));
-  EXPECT_EQ(Point(3, 5).ToString(), a.ToString());
-  a.SetToMax(Point(4, 2));
-  EXPECT_EQ(Point(4, 5).ToString(), a.ToString());
-  a.SetToMax(Point(8, 10));
-  EXPECT_EQ(Point(8, 10).ToString(), a.ToString());
-
-  a.SetToMin(Point(9, 11));
-  EXPECT_EQ(Point(8, 10).ToString(), a.ToString());
-  a.SetToMin(Point(8, 10));
-  EXPECT_EQ(Point(8, 10).ToString(), a.ToString());
-  a.SetToMin(Point(11, 9));
-  EXPECT_EQ(Point(8, 9).ToString(), a.ToString());
-  a.SetToMin(Point(7, 11));
-  EXPECT_EQ(Point(7, 9).ToString(), a.ToString());
-  a.SetToMin(Point(3, 5));
-  EXPECT_EQ(Point(3, 5).ToString(), a.ToString());
-}
-
-TEST(PointTest, ClampPointF) {
-  PointF a;
-
-  a = PointF(3.5f, 5.5f);
-  EXPECT_EQ(PointF(3.5f, 5.5f).ToString(), a.ToString());
-  a.SetToMax(PointF(2.5f, 4.5f));
-  EXPECT_EQ(PointF(3.5f, 5.5f).ToString(), a.ToString());
-  a.SetToMax(PointF(3.5f, 5.5f));
-  EXPECT_EQ(PointF(3.5f, 5.5f).ToString(), a.ToString());
-  a.SetToMax(PointF(4.5f, 2.5f));
-  EXPECT_EQ(PointF(4.5f, 5.5f).ToString(), a.ToString());
-  a.SetToMax(PointF(8.5f, 10.5f));
-  EXPECT_EQ(PointF(8.5f, 10.5f).ToString(), a.ToString());
-
-  a.SetToMin(PointF(9.5f, 11.5f));
-  EXPECT_EQ(PointF(8.5f, 10.5f).ToString(), a.ToString());
-  a.SetToMin(PointF(8.5f, 10.5f));
-  EXPECT_EQ(PointF(8.5f, 10.5f).ToString(), a.ToString());
-  a.SetToMin(PointF(11.5f, 9.5f));
-  EXPECT_EQ(PointF(8.5f, 9.5f).ToString(), a.ToString());
-  a.SetToMin(PointF(7.5f, 11.5f));
-  EXPECT_EQ(PointF(7.5f, 9.5f).ToString(), a.ToString());
-  a.SetToMin(PointF(3.5f, 5.5f));
-  EXPECT_EQ(PointF(3.5f, 5.5f).ToString(), a.ToString());
-}
-
-}  // namespace gfx