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