tor-browser

The Tor Browser
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TestCoord.cpp (2409B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "gtest/gtest.h"
      8 
      9 #include "nsCoord.h"
     10 
     11 namespace mozilla {
     12 
     13 template <typename CoordTyped>
     14 void TestConstructors() {
     15  CoordTyped coord1;
     16  EXPECT_EQ(coord1.value, 0);
     17 
     18  CoordTyped coord2 = 6000;
     19  EXPECT_EQ(coord2.value, 6000);
     20 
     21  EXPECT_EQ(CoordTyped::FromRound(5.3).value, 5);
     22  EXPECT_EQ(CoordTyped::FromRound(5.5).value, 6);
     23  EXPECT_EQ(CoordTyped::FromRound(-2.5).value, -2);
     24 
     25  EXPECT_EQ(CoordTyped::FromTruncate(5.9).value, 5);
     26  EXPECT_EQ(CoordTyped::FromTruncate(-2.7).value, -2);
     27 
     28  EXPECT_EQ(CoordTyped::FromCeil(5.3).value, 6);
     29  EXPECT_EQ(CoordTyped::FromCeil(-2.7).value, -2);
     30 
     31  EXPECT_EQ(CoordTyped::FromFloor(5.9).value, 5);
     32  EXPECT_EQ(CoordTyped::FromFloor(-2.7).value, -3);
     33 }
     34 
     35 template <typename CoordTyped>
     36 void TestComparisonOperators() {
     37  CoordTyped coord1 = 6000;
     38  CoordTyped coord2 = 10000;
     39 
     40  EXPECT_LT(coord1, CoordTyped::kMax);
     41  EXPECT_GT(coord1, CoordTyped::kMin);
     42  EXPECT_NE(coord1, coord2);
     43 }
     44 
     45 template <typename CoordTyped>
     46 void TestArithmeticOperators() {
     47  CoordTyped coord1 = 6000;
     48  CoordTyped coord2 = 10000;
     49 
     50  EXPECT_EQ(coord1 + coord2, CoordTyped(16000));
     51  EXPECT_EQ(coord2 - coord1, CoordTyped(4000));
     52 
     53  decltype(CoordTyped::value) scaleInt = 2;
     54  EXPECT_EQ(coord1 * scaleInt, CoordTyped(12000));
     55  EXPECT_EQ(coord1 / scaleInt, CoordTyped(3000));
     56 
     57  EXPECT_EQ(coord1 * 2.0, 12000.0);
     58  EXPECT_EQ(coord1 / 2.0, 3000.0);
     59 }
     60 
     61 template <typename CoordTyped>
     62 void TestClamp() {
     63  CoordTyped coord1 = CoordTyped::kMax + 1000;
     64  EXPECT_EQ(coord1.ToMinMaxClamped(), CoordTyped::kMax);
     65 
     66  CoordTyped coord2 = CoordTyped::kMin - 1000;
     67  EXPECT_EQ(coord2.ToMinMaxClamped(), CoordTyped::kMin);
     68 
     69  CoordTyped coord3 = 12000;
     70  EXPECT_EQ(coord3.ToMinMaxClamped(), CoordTyped(12000));
     71 }
     72 
     73 TEST(Gfx, TestAuCoord)
     74 {
     75  TestConstructors<AuCoord>();
     76  TestComparisonOperators<AuCoord>();
     77  TestArithmeticOperators<AuCoord>();
     78  TestClamp<AuCoord>();
     79 }
     80 
     81 TEST(Gfx, TestAuCoord64)
     82 {
     83  TestConstructors<AuCoord64>();
     84  TestComparisonOperators<AuCoord64>();
     85  TestArithmeticOperators<AuCoord64>();
     86  TestClamp<AuCoord64>();
     87 }
     88 
     89 }  // namespace mozilla