ui/gfx/geometry/size_unittest.cc

   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 "testing/gtest/include/gtest/gtest.h"
   6 #include "ui/gfx/geometry/size.h"
   7 #include "ui/gfx/geometry/size_base.h"
   8 #include "ui/gfx/geometry/size_conversions.h"
   9 #include "ui/gfx/geometry/size_f.h"
  10
  11 namespace gfx {
  12
  13 namespace {
  14
  15 int TestSizeF(const SizeF& s) {
  16   return s.width();
  17 }
  18
  19 }  // namespace
  20
  21 TEST(SizeTest, ToSizeF) {
  22   // Check that implicit conversion from integer to float compiles.
  23   Size a(10, 20);
  24   float width = TestSizeF(a);
  25   EXPECT_EQ(width, a.width());
  26
  27   SizeF b(10, 20);
  28
  29   EXPECT_EQ(a, b);
  30   EXPECT_EQ(b, a);
  31 }
  32
  33 TEST(SizeTest, ToFlooredSize) {
  34   EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0, 0)));
  35   EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.0001f, 0.0001f)));
  36   EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.4999f, 0.4999f)));
  37   EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.5f, 0.5f)));
  38   EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.9999f, 0.9999f)));
  39
  40   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10, 10)));
  41   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.0001f, 10.0001f)));
  42   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.4999f, 10.4999f)));
  43   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.5f, 10.5f)));
  44   EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.9999f, 10.9999f)));
  45 }
  46
  47 TEST(SizeTest, ToCeiledSize) {
  48   EXPECT_EQ(Size(0, 0), ToCeiledSize(SizeF(0, 0)));
  49   EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.0001f, 0.0001f)));
  50   EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.4999f, 0.4999f)));
  51   EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.5f, 0.5f)));
  52   EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.9999f, 0.9999f)));
  53
  54   EXPECT_EQ(Size(10, 10), ToCeiledSize(SizeF(10, 10)));
  55   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.0001f, 10.0001f)));
  56   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.4999f, 10.4999f)));
  57   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.5f, 10.5f)));
  58   EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.9999f, 10.9999f)));
  59 }
  60
  61 TEST(SizeTest, ToRoundedSize) {
  62   EXPECT_EQ(Size(0, 0), ToRoundedSize(SizeF(0, 0)));
  63   EXPECT_EQ(Size(0, 0), ToRoundedSize(SizeF(0.0001f, 0.0001f)));
  64   EXPECT_EQ(Size(0, 0), ToRoundedSize(SizeF(0.4999f, 0.4999f)));
  65   EXPECT_EQ(Size(1, 1), ToRoundedSize(SizeF(0.5f, 0.5f)));
  66   EXPECT_EQ(Size(1, 1), ToRoundedSize(SizeF(0.9999f, 0.9999f)));
  67
  68   EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10, 10)));
  69   EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10.0001f, 10.0001f)));
  70   EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10.4999f, 10.4999f)));
  71   EXPECT_EQ(Size(11, 11), ToRoundedSize(SizeF(10.5f, 10.5f)));
  72   EXPECT_EQ(Size(11, 11), ToRoundedSize(SizeF(10.9999f, 10.9999f)));
  73 }
  74
  75 TEST(SizeTest, ClampSize) {
  76   Size a;
  77
  78   a = Size(3, 5);
  79   EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
  80   a.SetToMax(Size(2, 4));
  81   EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
  82   a.SetToMax(Size(3, 5));
  83   EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
  84   a.SetToMax(Size(4, 2));
  85   EXPECT_EQ(Size(4, 5).ToString(), a.ToString());
  86   a.SetToMax(Size(8, 10));
  87   EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
  88
  89   a.SetToMin(Size(9, 11));
  90   EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
  91   a.SetToMin(Size(8, 10));
  92   EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
  93   a.SetToMin(Size(11, 9));
  94   EXPECT_EQ(Size(8, 9).ToString(), a.ToString());
  95   a.SetToMin(Size(7, 11));
  96   EXPECT_EQ(Size(7, 9).ToString(), a.ToString());
  97   a.SetToMin(Size(3, 5));
  98   EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
  99 }
 100
 101 TEST(SizeTest, ClampSizeF) {
 102   SizeF a;
 103
 104   a = SizeF(3.5f, 5.5f);
 105   EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
 106   a.SetToMax(SizeF(2.5f, 4.5f));
 107   EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
 108   a.SetToMax(SizeF(3.5f, 5.5f));
 109   EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
 110   a.SetToMax(SizeF(4.5f, 2.5f));
 111   EXPECT_EQ(SizeF(4.5f, 5.5f).ToString(), a.ToString());
 112   a.SetToMax(SizeF(8.5f, 10.5f));
 113   EXPECT_EQ(SizeF(8.5f, 10.5f).ToString(), a.ToString());
 114
 115   a.SetToMin(SizeF(9.5f, 11.5f));
 116   EXPECT_EQ(SizeF(8.5f, 10.5f).ToString(), a.ToString());
 117   a.SetToMin(SizeF(8.5f, 10.5f));
 118   EXPECT_EQ(SizeF(8.5f, 10.5f).ToString(), a.ToString());
 119   a.SetToMin(SizeF(11.5f, 9.5f));
 120   EXPECT_EQ(SizeF(8.5f, 9.5f).ToString(), a.ToString());
 121   a.SetToMin(SizeF(7.5f, 11.5f));
 122   EXPECT_EQ(SizeF(7.5f, 9.5f).ToString(), a.ToString());
 123   a.SetToMin(SizeF(3.5f, 5.5f));
 124   EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
 125 }
 126
 127 }  // namespace gfx