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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ash/common/wm/workspace/magnetism_matcher.h" | 5 #include "ash/common/wm/workspace/magnetism_matcher.h" |
| 6 | 6 |
| 7 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
| 8 | 8 |
| 9 namespace ash { | 9 namespace ash { |
| 10 | 10 |
| 11 // Trivial test case verifying assertions on left edge. | 11 // Trivial test case verifying assertions on left edge. |
| 12 TEST(MagnetismMatcherTest, TrivialLeft) { | 12 TEST(MagnetismMatcherTest, TrivialLeft) { |
| 13 const int distance = MagnetismMatcher::kMagneticDistance; | 13 const int distance = MagnetismMatcher::kMagneticDistance; |
| 14 const gfx::Rect initial_bounds(20, 10, 50, 60); | 14 const gfx::Rect initial_bounds(20, 10, 50, 60); |
| 15 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); | 15 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); |
| 16 EXPECT_FALSE(matcher.AreEdgesObscured()); | 16 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 17 MatchedEdge edge; | 17 MatchedEdge edge; |
| 18 EXPECT_FALSE(matcher.ShouldAttach( | 18 EXPECT_FALSE( |
| 19 gfx::Rect(initial_bounds.x() - distance - 10, | 19 matcher.ShouldAttach(gfx::Rect(initial_bounds.x() - distance - 10, |
| 20 initial_bounds.y() - distance - 10, 2, 3), &edge)); | 20 initial_bounds.y() - distance - 10, 2, 3), |
| 21 &edge)); |
| 21 EXPECT_FALSE(matcher.AreEdgesObscured()); | 22 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 22 EXPECT_TRUE(matcher.ShouldAttach( | 23 EXPECT_TRUE(matcher.ShouldAttach( |
| 23 gfx::Rect(initial_bounds.x() - 2, initial_bounds.y(), 1, 1), | 24 gfx::Rect(initial_bounds.x() - 2, initial_bounds.y(), 1, 1), &edge)); |
| 24 &edge)); | |
| 25 EXPECT_EQ(MAGNETISM_EDGE_LEFT, edge.primary_edge); | 25 EXPECT_EQ(MAGNETISM_EDGE_LEFT, edge.primary_edge); |
| 26 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_LEADING, edge.secondary_edge); | 26 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_LEADING, edge.secondary_edge); |
| 27 | 27 |
| 28 EXPECT_TRUE(matcher.ShouldAttach( | 28 EXPECT_TRUE( |
| 29 gfx::Rect(initial_bounds.x() - 2, | 29 matcher.ShouldAttach(gfx::Rect(initial_bounds.x() - 2, |
| 30 initial_bounds.y() + distance + 1 , 1, 1), | 30 initial_bounds.y() + distance + 1, 1, 1), |
| 31 &edge)); | 31 &edge)); |
| 32 EXPECT_EQ(MAGNETISM_EDGE_LEFT, edge.primary_edge); | 32 EXPECT_EQ(MAGNETISM_EDGE_LEFT, edge.primary_edge); |
| 33 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); | 33 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); |
| 34 } | 34 } |
| 35 | 35 |
| 36 // Trivial test case verifying assertions on bottom edge. | 36 // Trivial test case verifying assertions on bottom edge. |
| 37 TEST(MagnetismMatcherTest, TrivialBottom) { | 37 TEST(MagnetismMatcherTest, TrivialBottom) { |
| 38 const int distance = MagnetismMatcher::kMagneticDistance; | 38 const int distance = MagnetismMatcher::kMagneticDistance; |
| 39 const gfx::Rect initial_bounds(20, 10, 50, 60); | 39 const gfx::Rect initial_bounds(20, 10, 50, 60); |
| 40 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); | 40 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); |
| 41 EXPECT_FALSE(matcher.AreEdgesObscured()); | 41 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 42 MatchedEdge edge; | 42 MatchedEdge edge; |
| 43 EXPECT_FALSE(matcher.ShouldAttach( | 43 EXPECT_FALSE( |
| 44 gfx::Rect(initial_bounds.x() - distance - 10, | 44 matcher.ShouldAttach(gfx::Rect(initial_bounds.x() - distance - 10, |
| 45 initial_bounds.y() - distance - 10, 2, 3), &edge)); | 45 initial_bounds.y() - distance - 10, 2, 3), |
| 46 &edge)); |
| 46 EXPECT_FALSE(matcher.AreEdgesObscured()); | 47 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 47 EXPECT_TRUE(matcher.ShouldAttach( | 48 EXPECT_TRUE(matcher.ShouldAttach( |
| 48 gfx::Rect(initial_bounds.x() - 2, | 49 gfx::Rect(initial_bounds.x() - 2, initial_bounds.bottom() + 4, 10, 1), |
| 49 initial_bounds.bottom() + 4, 10, 1), &edge)); | 50 &edge)); |
| 50 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); | 51 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); |
| 51 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_LEADING, edge.secondary_edge); | 52 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_LEADING, edge.secondary_edge); |
| 52 | 53 |
| 53 EXPECT_TRUE(matcher.ShouldAttach( | 54 EXPECT_TRUE( |
| 54 gfx::Rect(initial_bounds.x() + distance + 1, | 55 matcher.ShouldAttach(gfx::Rect(initial_bounds.x() + distance + 1, |
| 55 initial_bounds.bottom() + 4, 10, 1), &edge)); | 56 initial_bounds.bottom() + 4, 10, 1), |
| 57 &edge)); |
| 56 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); | 58 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); |
| 57 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); | 59 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); |
| 58 | 60 |
| 59 EXPECT_TRUE(matcher.ShouldAttach( | 61 EXPECT_TRUE( |
| 60 gfx::Rect(initial_bounds.right() - 10 - 1, | 62 matcher.ShouldAttach(gfx::Rect(initial_bounds.right() - 10 - 1, |
| 61 initial_bounds.bottom() + 4, 10, 1), &edge)); | 63 initial_bounds.bottom() + 4, 10, 1), |
| 64 &edge)); |
| 62 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); | 65 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); |
| 63 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_TRAILING, edge.secondary_edge); | 66 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_TRAILING, edge.secondary_edge); |
| 64 } | 67 } |
| 65 | 68 |
| 66 // Verifies we don't match an obscured corner. | 69 // Verifies we don't match an obscured corner. |
| 67 TEST(MagnetismMatcherTest, ObscureLeading) { | 70 TEST(MagnetismMatcherTest, ObscureLeading) { |
| 68 const int distance = MagnetismMatcher::kMagneticDistance; | 71 const int distance = MagnetismMatcher::kMagneticDistance; |
| 69 const gfx::Rect initial_bounds(20, 10, 150, 160); | 72 const gfx::Rect initial_bounds(20, 10, 150, 160); |
| 70 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); | 73 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); |
| 71 MatchedEdge edge; | 74 MatchedEdge edge; |
| 72 // Overlap with the upper right corner. | 75 // Overlap with the upper right corner. |
| 73 EXPECT_FALSE(matcher.ShouldAttach( | 76 EXPECT_FALSE( |
| 74 gfx::Rect(initial_bounds.right() - distance * 2, | 77 matcher.ShouldAttach(gfx::Rect(initial_bounds.right() - distance * 2, |
| 75 initial_bounds.y() - distance - 2, | 78 initial_bounds.y() - distance - 2, |
| 76 distance * 3, | 79 distance * 3, (distance + 2) * 2), |
| 77 (distance + 2) * 2), &edge)); | 80 &edge)); |
| 78 EXPECT_FALSE(matcher.AreEdgesObscured()); | 81 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 79 // Verify doesn't match the following which is obscured by first. | 82 // Verify doesn't match the following which is obscured by first. |
| 80 EXPECT_FALSE(matcher.ShouldAttach( | 83 EXPECT_FALSE(matcher.ShouldAttach( |
| 81 gfx::Rect(initial_bounds.right() + 1, | 84 gfx::Rect(initial_bounds.right() + 1, initial_bounds.y(), distance, 5), |
| 82 initial_bounds.y(), | 85 &edge)); |
| 83 distance, | |
| 84 5), &edge)); | |
| 85 // Should match the following which extends into non-overlapping region. | 86 // Should match the following which extends into non-overlapping region. |
| 86 EXPECT_TRUE(matcher.ShouldAttach( | 87 EXPECT_TRUE(matcher.ShouldAttach( |
| 87 gfx::Rect(initial_bounds.right() + 1, | 88 gfx::Rect(initial_bounds.right() + 1, initial_bounds.y() + distance + 1, |
| 88 initial_bounds.y() + distance + 1, | 89 distance, 15), |
| 89 distance, | 90 &edge)); |
| 90 15), &edge)); | |
| 91 EXPECT_EQ(MAGNETISM_EDGE_RIGHT, edge.primary_edge); | 91 EXPECT_EQ(MAGNETISM_EDGE_RIGHT, edge.primary_edge); |
| 92 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); | 92 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); |
| 93 } | 93 } |
| 94 | 94 |
| 95 // Verifies obscuring one side doesn't obscure the other. | 95 // Verifies obscuring one side doesn't obscure the other. |
| 96 TEST(MagnetismMatcherTest, DontObscureOtherSide) { | 96 TEST(MagnetismMatcherTest, DontObscureOtherSide) { |
| 97 const int distance = MagnetismMatcher::kMagneticDistance; | 97 const int distance = MagnetismMatcher::kMagneticDistance; |
| 98 const gfx::Rect initial_bounds(20, 10, 150, 160); | 98 const gfx::Rect initial_bounds(20, 10, 150, 160); |
| 99 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); | 99 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); |
| 100 MatchedEdge edge; | 100 MatchedEdge edge; |
| 101 // Overlap with the left side. | 101 // Overlap with the left side. |
| 102 EXPECT_FALSE(matcher.ShouldAttach( | 102 EXPECT_FALSE(matcher.ShouldAttach( |
| 103 gfx::Rect(initial_bounds.x() - distance + 1, | 103 gfx::Rect(initial_bounds.x() - distance + 1, initial_bounds.y() + 2, |
| 104 initial_bounds.y() + 2, | 104 distance * 2 + 2, initial_bounds.height() + distance * 4), |
| 105 distance * 2 + 2, | 105 &edge)); |
| 106 initial_bounds.height() + distance * 4), &edge)); | |
| 107 EXPECT_FALSE(matcher.AreEdgesObscured()); | 106 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 108 // Should match the right side since it isn't obscured. | 107 // Should match the right side since it isn't obscured. |
| 109 EXPECT_TRUE(matcher.ShouldAttach( | 108 EXPECT_TRUE(matcher.ShouldAttach( |
| 110 gfx::Rect(initial_bounds.right() - 1, | 109 gfx::Rect(initial_bounds.right() - 1, initial_bounds.y() + distance + 1, |
| 111 initial_bounds.y() + distance + 1, | 110 distance, 5), |
| 112 distance, | 111 &edge)); |
| 113 5), &edge)); | |
| 114 EXPECT_EQ(MAGNETISM_EDGE_RIGHT, edge.primary_edge); | 112 EXPECT_EQ(MAGNETISM_EDGE_RIGHT, edge.primary_edge); |
| 115 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); | 113 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); |
| 116 } | 114 } |
| 117 | 115 |
| 118 // Verifies we don't match an obscured center. | 116 // Verifies we don't match an obscured center. |
| 119 TEST(MagnetismMatcherTest, ObscureCenter) { | 117 TEST(MagnetismMatcherTest, ObscureCenter) { |
| 120 const int distance = MagnetismMatcher::kMagneticDistance; | 118 const int distance = MagnetismMatcher::kMagneticDistance; |
| 121 const gfx::Rect initial_bounds(20, 10, 150, 160); | 119 const gfx::Rect initial_bounds(20, 10, 150, 160); |
| 122 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); | 120 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); |
| 123 MatchedEdge edge; | 121 MatchedEdge edge; |
| 124 // Overlap with the center bottom edge. | 122 // Overlap with the center bottom edge. |
| 125 EXPECT_FALSE(matcher.ShouldAttach( | 123 EXPECT_FALSE(matcher.ShouldAttach( |
| 126 gfx::Rect(100, initial_bounds.bottom() - distance - 2, | 124 gfx::Rect(100, initial_bounds.bottom() - distance - 2, 20, |
| 127 20, | 125 (distance + 2) * 2), |
| 128 (distance + 2) * 2), &edge)); | 126 &edge)); |
| 129 EXPECT_FALSE(matcher.AreEdgesObscured()); | 127 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 130 // Verify doesn't match the following which is obscured by first. | 128 // Verify doesn't match the following which is obscured by first. |
| 131 EXPECT_FALSE(matcher.ShouldAttach( | 129 EXPECT_FALSE(matcher.ShouldAttach( |
| 132 gfx::Rect(110, initial_bounds.bottom() + 1, | 130 gfx::Rect(110, initial_bounds.bottom() + 1, 10, 5), &edge)); |
| 133 10, 5), &edge)); | |
| 134 // Should match the following which extends into non-overlapping region. | 131 // Should match the following which extends into non-overlapping region. |
| 135 EXPECT_TRUE(matcher.ShouldAttach( | 132 EXPECT_TRUE(matcher.ShouldAttach( |
| 136 gfx::Rect(90, | 133 gfx::Rect(90, initial_bounds.bottom() + 1, 10, 5), &edge)); |
| 137 initial_bounds.bottom() + 1, | |
| 138 10, 5), &edge)); | |
| 139 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); | 134 EXPECT_EQ(MAGNETISM_EDGE_BOTTOM, edge.primary_edge); |
| 140 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); | 135 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); |
| 141 } | 136 } |
| 142 | 137 |
| 143 // Verifies we don't match an obscured trailing edge. | 138 // Verifies we don't match an obscured trailing edge. |
| 144 TEST(MagnetismMatcherTest, ObscureTrailing) { | 139 TEST(MagnetismMatcherTest, ObscureTrailing) { |
| 145 const int distance = MagnetismMatcher::kMagneticDistance; | 140 const int distance = MagnetismMatcher::kMagneticDistance; |
| 146 const gfx::Rect initial_bounds(20, 10, 150, 160); | 141 const gfx::Rect initial_bounds(20, 10, 150, 160); |
| 147 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); | 142 MagnetismMatcher matcher(initial_bounds, kAllMagnetismEdges); |
| 148 MatchedEdge edge; | 143 MatchedEdge edge; |
| 149 // Overlap with the trailing left edge. | 144 // Overlap with the trailing left edge. |
| 150 EXPECT_FALSE(matcher.ShouldAttach( | 145 EXPECT_FALSE(matcher.ShouldAttach( |
| 151 gfx::Rect(initial_bounds.x() - distance - 2, | 146 gfx::Rect(initial_bounds.x() - distance - 2, 150, (distance + 2) * 2, 50), |
| 152 150, | 147 &edge)); |
| 153 (distance + 2) * 2, | |
| 154 50), &edge)); | |
| 155 EXPECT_FALSE(matcher.AreEdgesObscured()); | 148 EXPECT_FALSE(matcher.AreEdgesObscured()); |
| 156 // Verify doesn't match the following which is obscured by first. | 149 // Verify doesn't match the following which is obscured by first. |
| 157 EXPECT_FALSE(matcher.ShouldAttach( | 150 EXPECT_FALSE(matcher.ShouldAttach( |
| 158 gfx::Rect(initial_bounds.x() - 4, | 151 gfx::Rect(initial_bounds.x() - 4, 160, 3, 20), &edge)); |
| 159 160, 3, 20), &edge)); | |
| 160 // Should match the following which extends into non-overlapping region. | 152 // Should match the following which extends into non-overlapping region. |
| 161 EXPECT_TRUE(matcher.ShouldAttach( | 153 EXPECT_TRUE(matcher.ShouldAttach( |
| 162 gfx::Rect(initial_bounds.x() - 4, | 154 gfx::Rect(initial_bounds.x() - 4, 140, 3, 20), &edge)); |
| 163 140, 3, 20), &edge)); | |
| 164 EXPECT_EQ(MAGNETISM_EDGE_LEFT, edge.primary_edge); | 155 EXPECT_EQ(MAGNETISM_EDGE_LEFT, edge.primary_edge); |
| 165 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); | 156 EXPECT_EQ(SECONDARY_MAGNETISM_EDGE_NONE, edge.secondary_edge); |
| 166 } | 157 } |
| 167 | 158 |
| 168 } // namespace ash | 159 } // namespace ash |
| 169 | |
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