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| 1 // Copyright 2017 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 "core/layout/LayoutTable.h" |
| 6 |
| 7 #include "core/layout/LayoutTableCol.h" |
| 8 #include "core/layout/LayoutTestHelper.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 namespace { |
| 13 |
| 14 class LayoutTableTest : public RenderingTest { |
| 15 protected: |
| 16 LayoutTable* GetTableByElementId(const char* id) { |
| 17 return ToLayoutTable(GetLayoutObjectByElementId(id)); |
| 18 } |
| 19 }; |
| 20 |
| 21 TEST_F(LayoutTableTest, EffectiveColumnAndAbsoluteColumn) { |
| 22 SetBodyInnerHTML( |
| 23 "<table id ='table'>" |
| 24 " <tr><td colspan='5'></td></tr>" |
| 25 " <tr><td colspan='3'></td><td colspan=5'></td></tr>" |
| 26 " <tr><td></td></tr>" |
| 27 "</table>"); |
| 28 |
| 29 auto* table = GetTableByElementId("table"); |
| 30 EXPECT_EQ(4u, table->NumEffectiveColumns()); |
| 31 |
| 32 EXPECT_EQ(0u, table->EffectiveColumnToAbsoluteColumn(0)); |
| 33 EXPECT_EQ(1u, table->EffectiveColumnToAbsoluteColumn(1)); |
| 34 EXPECT_EQ(3u, table->EffectiveColumnToAbsoluteColumn(2)); |
| 35 EXPECT_EQ(5u, table->EffectiveColumnToAbsoluteColumn(3)); |
| 36 EXPECT_EQ(8u, table->EffectiveColumnToAbsoluteColumn(4)); |
| 37 |
| 38 EXPECT_EQ(0u, table->AbsoluteColumnToEffectiveColumn(0)); |
| 39 EXPECT_EQ(1u, table->AbsoluteColumnToEffectiveColumn(1)); |
| 40 EXPECT_EQ(1u, table->AbsoluteColumnToEffectiveColumn(2)); |
| 41 EXPECT_EQ(2u, table->AbsoluteColumnToEffectiveColumn(3)); |
| 42 EXPECT_EQ(2u, table->AbsoluteColumnToEffectiveColumn(4)); |
| 43 EXPECT_EQ(3u, table->AbsoluteColumnToEffectiveColumn(5)); |
| 44 EXPECT_EQ(3u, table->AbsoluteColumnToEffectiveColumn(6)); |
| 45 EXPECT_EQ(3u, table->AbsoluteColumnToEffectiveColumn(7)); |
| 46 EXPECT_EQ(4u, table->AbsoluteColumnToEffectiveColumn(8)); |
| 47 } |
| 48 |
| 49 TEST_F(LayoutTableTest, EffectiveColumnAndAbsoluteColumnWithCols) { |
| 50 SetBodyInnerHTML( |
| 51 "<table id ='table'>" |
| 52 " <colgroup>" |
| 53 " <col>" |
| 54 " <col span='3'>" |
| 55 " <col span='2'>" |
| 56 " </colgroup>" |
| 57 " <tr>" |
| 58 " <td></td>" |
| 59 " <td colspan='2'></td>" |
| 60 " <td></td>" |
| 61 " <td colspan='2'></td>" |
| 62 " </tr>" |
| 63 "</table>"); |
| 64 |
| 65 auto* table = GetTableByElementId("table"); |
| 66 EXPECT_EQ(4u, table->NumEffectiveColumns()); |
| 67 |
| 68 EXPECT_EQ(0u, table->EffectiveColumnToAbsoluteColumn(0)); |
| 69 EXPECT_EQ(1u, table->EffectiveColumnToAbsoluteColumn(1)); |
| 70 EXPECT_EQ(3u, table->EffectiveColumnToAbsoluteColumn(2)); |
| 71 EXPECT_EQ(4u, table->EffectiveColumnToAbsoluteColumn(3)); |
| 72 EXPECT_EQ(6u, table->EffectiveColumnToAbsoluteColumn(4)); |
| 73 |
| 74 EXPECT_EQ(0u, table->AbsoluteColumnToEffectiveColumn(0)); |
| 75 EXPECT_EQ(1u, table->AbsoluteColumnToEffectiveColumn(1)); |
| 76 EXPECT_EQ(1u, table->AbsoluteColumnToEffectiveColumn(2)); |
| 77 EXPECT_EQ(2u, table->AbsoluteColumnToEffectiveColumn(3)); |
| 78 EXPECT_EQ(3u, table->AbsoluteColumnToEffectiveColumn(4)); |
| 79 EXPECT_EQ(3u, table->AbsoluteColumnToEffectiveColumn(5)); |
| 80 EXPECT_EQ(4u, table->AbsoluteColumnToEffectiveColumn(6)); |
| 81 } |
| 82 |
| 83 TEST_F(LayoutTableTest, ColAndColGroupAtEffectiveColumn) { |
| 84 SetBodyInnerHTML( |
| 85 "<table id ='table'>" |
| 86 " <colgroup id='colgroup1'>" |
| 87 " <col id='col1a'>" |
| 88 " <col id='col1b'>" |
| 89 " </colgroup>" |
| 90 " <colgroup id='colgroup2'>" |
| 91 " <col id='col2' span='2'>" |
| 92 " </colgroup>" |
| 93 " <colgroup id='colgroup3' span='2'></colgroup>" |
| 94 " <colgroup id='colgroup4' span='2'></colgroup>" |
| 95 " <col id='col5' span='2'>" |
| 96 " <tr>" |
| 97 " <td colspan='2'></td>" // spans col1a and col1b |
| 98 " <td></td><td></td>" // split col2 into two effective columns |
| 99 " <td colspan=2'></td>" // matches col3 |
| 100 " <td colspan=3'></td>" // matches start but not end of col4 |
| 101 " <td></td>" // matches end but not start of col5 |
| 102 " </tr>" |
| 103 "</table>"); |
| 104 // absolute | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 105 // effective | 0 | 1 | 2 | 3 | 4 | 5 | |
| 106 // colgroup | 1 | 2 | 3 | 4 | | |
| 107 // col | a | b | 2 | | | 5 | |
| 108 // td | | | | | | | |
| 109 |
| 110 auto* table = GetTableByElementId("table"); |
| 111 EXPECT_EQ(6u, table->NumEffectiveColumns()); |
| 112 |
| 113 auto c0 = table->ColAndColGroupAtEffectiveColumn(0); |
| 114 EXPECT_EQ(GetLayoutObjectByElementId("colgroup1"), c0.colgroup); |
| 115 EXPECT_EQ(GetLayoutObjectByElementId("col1a"), c0.col); |
| 116 EXPECT_EQ(c0.col, c0.InnermostColOrColGroup()); |
| 117 EXPECT_TRUE(c0.adjoins_start_border_of_col_group); |
| 118 EXPECT_TRUE(c0.adjoins_end_border_of_col_group); |
| 119 |
| 120 auto c1 = table->ColAndColGroupAtEffectiveColumn(1); |
| 121 EXPECT_EQ(GetLayoutObjectByElementId("colgroup2"), c1.colgroup); |
| 122 EXPECT_EQ(GetLayoutObjectByElementId("col2"), c1.col); |
| 123 EXPECT_EQ(c1.col, c1.InnermostColOrColGroup()); |
| 124 EXPECT_TRUE(c1.adjoins_start_border_of_col_group); |
| 125 EXPECT_FALSE(c1.adjoins_end_border_of_col_group); |
| 126 |
| 127 auto c2 = table->ColAndColGroupAtEffectiveColumn(2); |
| 128 EXPECT_EQ(GetLayoutObjectByElementId("colgroup2"), c2.colgroup); |
| 129 EXPECT_EQ(GetLayoutObjectByElementId("col2"), c2.col); |
| 130 EXPECT_EQ(c2.col, c2.InnermostColOrColGroup()); |
| 131 EXPECT_FALSE(c2.adjoins_start_border_of_col_group); |
| 132 EXPECT_TRUE(c2.adjoins_end_border_of_col_group); |
| 133 |
| 134 auto c3 = table->ColAndColGroupAtEffectiveColumn(3); |
| 135 EXPECT_EQ(GetLayoutObjectByElementId("colgroup3"), c3.colgroup); |
| 136 EXPECT_EQ(nullptr, c3.col); |
| 137 EXPECT_EQ(c3.colgroup, c3.InnermostColOrColGroup()); |
| 138 EXPECT_TRUE(c3.adjoins_start_border_of_col_group); |
| 139 EXPECT_TRUE(c3.adjoins_end_border_of_col_group); |
| 140 |
| 141 auto c4 = table->ColAndColGroupAtEffectiveColumn(4); |
| 142 EXPECT_EQ(GetLayoutObjectByElementId("colgroup4"), c4.colgroup); |
| 143 EXPECT_EQ(nullptr, c4.col); |
| 144 EXPECT_EQ(c4.colgroup, c4.InnermostColOrColGroup()); |
| 145 EXPECT_TRUE(c4.adjoins_start_border_of_col_group); |
| 146 EXPECT_FALSE(c4.adjoins_end_border_of_col_group); |
| 147 |
| 148 auto c5 = table->ColAndColGroupAtEffectiveColumn(5); |
| 149 EXPECT_EQ(GetLayoutObjectByElementId("col5")->Parent(), c5.colgroup); |
| 150 EXPECT_EQ(GetLayoutObjectByElementId("col5"), c5.col); |
| 151 EXPECT_EQ(c5.col, c5.InnermostColOrColGroup()); |
| 152 EXPECT_FALSE(c5.adjoins_start_border_of_col_group); |
| 153 EXPECT_TRUE(c5.adjoins_end_border_of_col_group); |
| 154 |
| 155 // Beyond the end of columns. |
| 156 auto c6 = table->ColAndColGroupAtEffectiveColumn(6); |
| 157 EXPECT_EQ(nullptr, c6.colgroup); |
| 158 EXPECT_EQ(nullptr, c6.col); |
| 159 EXPECT_EQ(nullptr, c6.InnermostColOrColGroup()); |
| 160 EXPECT_FALSE(c6.adjoins_start_border_of_col_group); |
| 161 EXPECT_FALSE(c6.adjoins_end_border_of_col_group); |
| 162 } |
| 163 |
| 164 TEST_F(LayoutTableTest, ColAndColGroupAtEffectiveColumnSingleEffectiveColumn) { |
| 165 SetBodyInnerHTML( |
| 166 "<table id ='table'>" |
| 167 " <colgroup id='colgroup'>" |
| 168 " <col id='col'>" |
| 169 " <col span='2'>" |
| 170 " <col span='3'>" |
| 171 " </colgroup>" |
| 172 " <tr>" |
| 173 " <td colspan='6'></td>" |
| 174 " </tr>" |
| 175 "</table>"); |
| 176 // absolute | 0 | 1 | 2 | 3 | 4 | 5 | |
| 177 // effective | 0 | |
| 178 // colgroup | | |
| 179 // col | | | | |
| 180 // td | | |
| 181 |
| 182 auto* table = GetTableByElementId("table"); |
| 183 EXPECT_EQ(1u, table->NumEffectiveColumns()); |
| 184 |
| 185 auto c0 = table->ColAndColGroupAtEffectiveColumn(0); |
| 186 EXPECT_EQ(GetLayoutObjectByElementId("colgroup"), c0.colgroup); |
| 187 EXPECT_EQ(GetLayoutObjectByElementId("col"), c0.col); |
| 188 EXPECT_EQ(c0.col, c0.InnermostColOrColGroup()); |
| 189 EXPECT_TRUE(c0.adjoins_start_border_of_col_group); |
| 190 EXPECT_TRUE(c0.adjoins_end_border_of_col_group); |
| 191 |
| 192 auto c1 = table->ColAndColGroupAtEffectiveColumn(1); |
| 193 EXPECT_EQ(nullptr, c1.colgroup); |
| 194 EXPECT_EQ(nullptr, c1.col); |
| 195 EXPECT_EQ(nullptr, c1.InnermostColOrColGroup()); |
| 196 EXPECT_FALSE(c1.adjoins_start_border_of_col_group); |
| 197 EXPECT_FALSE(c1.adjoins_end_border_of_col_group); |
| 198 } |
| 199 |
| 200 TEST_F(LayoutTableTest, |
| 201 ColAndColGroupAtEffectiveColumnSingleEffectiveColumnUnmatchedEnd) { |
| 202 SetBodyInnerHTML( |
| 203 "<table id ='table'>" |
| 204 " <colgroup id='colgroup'>" |
| 205 " <col id='col'>" |
| 206 " <col span='2'>" |
| 207 " <col span='3'>" |
| 208 " </colgroup>" |
| 209 " <tr>" |
| 210 " <td colspan='5'></td>" |
| 211 " </tr>" |
| 212 "</table>"); |
| 213 // absolute | 0 | 1 | 2 | 3 | 4 | |
| 214 // effective | 0 | |
| 215 // colgroup | | |
| 216 // col | | | | |
| 217 // td | | |
| 218 |
| 219 auto* table = GetTableByElementId("table"); |
| 220 EXPECT_EQ(1u, table->NumEffectiveColumns()); |
| 221 |
| 222 auto c0 = table->ColAndColGroupAtEffectiveColumn(0); |
| 223 EXPECT_EQ(GetLayoutObjectByElementId("colgroup"), c0.colgroup); |
| 224 EXPECT_EQ(GetLayoutObjectByElementId("col"), c0.col); |
| 225 EXPECT_EQ(c0.col, c0.InnermostColOrColGroup()); |
| 226 EXPECT_TRUE(c0.adjoins_start_border_of_col_group); |
| 227 EXPECT_FALSE(c0.adjoins_end_border_of_col_group); |
| 228 |
| 229 auto c1 = table->ColAndColGroupAtEffectiveColumn(1); |
| 230 EXPECT_EQ(nullptr, c1.colgroup); |
| 231 EXPECT_EQ(nullptr, c1.col); |
| 232 EXPECT_EQ(nullptr, c1.InnermostColOrColGroup()); |
| 233 EXPECT_FALSE(c1.adjoins_start_border_of_col_group); |
| 234 EXPECT_FALSE(c1.adjoins_end_border_of_col_group); |
| 235 } |
| 236 |
| 237 } // anonymous namespace |
| 238 |
| 239 } // namespace blink |
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