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/break_list.h" |
| 6 |
| 7 #include "testing/gtest/include/gtest/gtest.h" |
| 8 #include "third_party/skia/include/core/SkColor.h" |
| 9 #include "ui/base/range/range.h" |
| 10 |
| 11 namespace gfx { |
| 12 |
| 13 class BreakListTest : public testing::Test {}; |
| 14 |
| 15 TEST_F(BreakListTest, SetValue) { |
| 16 // Check the default values applied to new instances and adjusted text. |
| 17 BreakList<bool> style_breaks(false); |
| 18 EXPECT_TRUE(style_breaks.EqualsValueForTest(false)); |
| 19 style_breaks.SetValue(true); |
| 20 EXPECT_TRUE(style_breaks.EqualsValueForTest(true)); |
| 21 |
| 22 BreakList<SkColor> color_breaks(SK_ColorRED); |
| 23 EXPECT_TRUE(color_breaks.EqualsValueForTest(SK_ColorRED)); |
| 24 color_breaks.SetValue(SK_ColorBLACK); |
| 25 EXPECT_TRUE(color_breaks.EqualsValueForTest(SK_ColorBLACK)); |
| 26 } |
| 27 |
| 28 TEST_F(BreakListTest, ApplyValue) { |
| 29 BreakList<bool> breaks(false); |
| 30 |
| 31 // Ensure ApplyValue is a no-op on invalid and empty ranges. |
| 32 breaks.ApplyValue(true, ui::Range::InvalidRange()); |
| 33 EXPECT_TRUE(breaks.EqualsValueForTest(false)); |
| 34 for (size_t i = 0; i < 3; ++i) { |
| 35 breaks.ApplyValue(true, ui::Range(i, i)); |
| 36 EXPECT_TRUE(breaks.EqualsValueForTest(false)); |
| 37 } |
| 38 |
| 39 // Apply a value to a valid range, check breaks; repeating should be no-op. |
| 40 std::vector<std::pair<size_t, bool> > expected; |
| 41 expected.push_back(std::pair<size_t, bool>(0, false)); |
| 42 expected.push_back(std::pair<size_t, bool>(2, true)); |
| 43 expected.push_back(std::pair<size_t, bool>(3, false)); |
| 44 for (size_t i = 0; i < 2; ++i) { |
| 45 breaks.ApplyValue(true, ui::Range(2, 3)); |
| 46 EXPECT_TRUE(breaks.EqualsListForTest(expected)); |
| 47 } |
| 48 |
| 49 // Ensure setting a value overrides the ranged value. |
| 50 breaks.SetValue(true); |
| 51 EXPECT_TRUE(breaks.EqualsValueForTest(true)); |
| 52 |
| 53 // Ensure applying a value over [0, INT_MAX) is the same as setting a value. |
| 54 breaks.ApplyValue(false, ui::Range(0, INT_MAX)); |
| 55 EXPECT_TRUE(breaks.EqualsValueForTest(false)); |
| 56 |
| 57 // Ensure applying a value that is already applied has no effect. |
| 58 breaks.ApplyValue(false, ui::Range(0, 2)); |
| 59 breaks.ApplyValue(false, ui::Range(3, 6)); |
| 60 breaks.ApplyValue(false, ui::Range(7, INT_MAX)); |
| 61 EXPECT_TRUE(breaks.EqualsValueForTest(false)); |
| 62 |
| 63 // Ensure applying an identical neighboring value merges the ranges. |
| 64 breaks.ApplyValue(true, ui::Range(0, 3)); |
| 65 breaks.ApplyValue(true, ui::Range(3, 6)); |
| 66 breaks.ApplyValue(true, ui::Range(6, INT_MAX)); |
| 67 EXPECT_TRUE(breaks.EqualsValueForTest(true)); |
| 68 |
| 69 // Ensure applying a value with the same range overrides the ranged value. |
| 70 breaks.ApplyValue(false, ui::Range(2, 3)); |
| 71 breaks.ApplyValue(true, ui::Range(2, 3)); |
| 72 EXPECT_TRUE(breaks.EqualsValueForTest(true)); |
| 73 |
| 74 // Ensure applying a value with a containing range overrides contained values. |
| 75 breaks.ApplyValue(false, ui::Range(0, 1)); |
| 76 breaks.ApplyValue(false, ui::Range(2, 3)); |
| 77 breaks.ApplyValue(true, ui::Range(0, 3)); |
| 78 EXPECT_TRUE(breaks.EqualsValueForTest(true)); |
| 79 breaks.ApplyValue(false, ui::Range(4, 5)); |
| 80 breaks.ApplyValue(false, ui::Range(6, 7)); |
| 81 breaks.ApplyValue(false, ui::Range(8, 9)); |
| 82 breaks.ApplyValue(true, ui::Range(4, 9)); |
| 83 EXPECT_TRUE(breaks.EqualsValueForTest(true)); |
| 84 |
| 85 // Ensure applying various overlapping values yields the intended results. |
| 86 breaks.ApplyValue(false, ui::Range(1, 4)); |
| 87 breaks.ApplyValue(false, ui::Range(5, 8)); |
| 88 breaks.ApplyValue(true, ui::Range(0, 2)); |
| 89 breaks.ApplyValue(true, ui::Range(3, 6)); |
| 90 breaks.ApplyValue(true, ui::Range(7, INT_MAX)); |
| 91 std::vector<std::pair<size_t, bool> > overlap; |
| 92 overlap.push_back(std::pair<size_t, bool>(0, true)); |
| 93 overlap.push_back(std::pair<size_t, bool>(2, false)); |
| 94 overlap.push_back(std::pair<size_t, bool>(3, true)); |
| 95 overlap.push_back(std::pair<size_t, bool>(6, false)); |
| 96 overlap.push_back(std::pair<size_t, bool>(7, true)); |
| 97 EXPECT_TRUE(breaks.EqualsListForTest(overlap)); |
| 98 } |
| 99 |
| 100 TEST_F(BreakListTest, TrimBreaks) { |
| 101 // Ensure values adjust to accommodate length changes. |
| 102 BreakList<bool> breaks(false); |
| 103 breaks.ApplyValue(true, ui::Range(0, 2)); |
| 104 breaks.ApplyValue(true, ui::Range(3, 6)); |
| 105 breaks.ApplyValue(true, ui::Range(7, INT_MAX)); |
| 106 |
| 107 std::vector<std::pair<size_t, bool> > expected; |
| 108 expected.push_back(std::pair<size_t, bool>(0, true)); |
| 109 expected.push_back(std::pair<size_t, bool>(2, false)); |
| 110 expected.push_back(std::pair<size_t, bool>(3, true)); |
| 111 expected.push_back(std::pair<size_t, bool>(6, false)); |
| 112 expected.push_back(std::pair<size_t, bool>(7, true)); |
| 113 EXPECT_TRUE(breaks.EqualsListForTest(expected)); |
| 114 |
| 115 // Trimming to a smaller length should remove the corresponding breaks. |
| 116 breaks.TrimBreaks(7); |
| 117 expected.resize(4); |
| 118 EXPECT_TRUE(breaks.EqualsListForTest(expected)); |
| 119 breaks.TrimBreaks(4); |
| 120 expected.resize(3); |
| 121 EXPECT_TRUE(breaks.EqualsListForTest(expected)); |
| 122 |
| 123 // Trimming to a longer length should not change any breaks. |
| 124 breaks.TrimBreaks(99); |
| 125 EXPECT_TRUE(breaks.EqualsListForTest(expected)); |
| 126 } |
| 127 |
| 128 TEST_F(BreakListTest, SaveAndRestore) { |
| 129 // Ensure values applied between SaveList and RestoreList are temporary. |
| 130 BreakList<bool> breaks(false); |
| 131 breaks.ApplyValue(true, ui::Range(0, 1)); |
| 132 std::vector<std::pair<size_t, bool> > expected_saved; |
| 133 expected_saved.push_back(std::pair<size_t, bool>(0, true)); |
| 134 expected_saved.push_back(std::pair<size_t, bool>(1, false)); |
| 135 EXPECT_TRUE(breaks.EqualsListForTest(expected_saved)); |
| 136 |
| 137 breaks.SaveList(); |
| 138 breaks.ApplyValue(true, ui::Range(1, 2)); |
| 139 std::vector<std::pair<size_t, bool> > expected_temporary; |
| 140 expected_temporary.push_back(std::pair<size_t, bool>(0, true)); |
| 141 expected_temporary.push_back(std::pair<size_t, bool>(2, false)); |
| 142 EXPECT_TRUE(breaks.EqualsListForTest(expected_temporary)); |
| 143 |
| 144 breaks.RestoreList(); |
| 145 EXPECT_TRUE(breaks.EqualsListForTest(expected_saved)); |
| 146 } |
| 147 |
| 148 } // namespace gfx |
OLD | NEW |