| OLD | NEW |
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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "core/editing/BackspaceStateMachine.h" | 5 #include "core/editing/BackspaceStateMachine.h" |
| 6 | 6 |
| 7 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
| 8 #include "wtf/text/Unicode.h" |
| 8 | 9 |
| 9 namespace blink { | 10 namespace blink { |
| 10 | 11 |
| 11 constexpr BackspaceStateMachine::State NeedMoreCodeUnit = BackspaceStateMachine:
:State::NeedMoreCodeUnit; | 12 constexpr BackspaceStateMachine::State NeedMoreCodeUnit = BackspaceStateMachine:
:State::NeedMoreCodeUnit; |
| 12 constexpr BackspaceStateMachine::State Finished = BackspaceStateMachine::State::
Finished; | 13 constexpr BackspaceStateMachine::State Finished = BackspaceStateMachine::State::
Finished; |
| 13 | 14 |
| 14 TEST(BackspaceStateMachineTest, DoNothingCase) | 15 TEST(BackspaceStateMachineTest, DoNothingCase) |
| 15 { | 16 { |
| 16 BackspaceStateMachine machine; | 17 BackspaceStateMachine machine; |
| 17 EXPECT_EQ(0, machine.finalizeAndGetBoundaryOffset()); | 18 EXPECT_EQ(0, machine.finalizeAndGetBoundaryOffset()); |
| (...skipping 22 matching lines...) Expand all Loading... |
| 40 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(0x3042)); | 41 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(0x3042)); |
| 41 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); | 42 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 42 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); | 43 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 43 } | 44 } |
| 44 | 45 |
| 45 TEST(BackspaceStateMachineTest, SurrogatePair) | 46 TEST(BackspaceStateMachineTest, SurrogatePair) |
| 46 { | 47 { |
| 47 BackspaceStateMachine machine; | 48 BackspaceStateMachine machine; |
| 48 | 49 |
| 49 // U+1F5FA(WORLD MAP) is \uD83D\uDDFA in UTF-16. | 50 // U+1F5FA(WORLD MAP) is \uD83D\uDDFA in UTF-16. |
| 50 uint16_t leadSurrogate = 0xD83D; | 51 const UChar leadSurrogate = 0xD83D; |
| 51 uint16_t trailSurrogate = 0xDDFA; | 52 const UChar trailSurrogate = 0xDDFA; |
| 52 | 53 |
| 53 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate)); | 54 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate)); |
| 54 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(leadSurrogate)); | 55 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(leadSurrogate)); |
| 55 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); | 56 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 56 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); | 57 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 57 | 58 |
| 58 // Edge cases | 59 // Edge cases |
| 59 // Unpaired trailing surrogate. Delete only broken trail surrogate. | 60 // Unpaired trailing surrogate. Delete only broken trail surrogate. |
| 60 machine.reset(); | 61 machine.reset(); |
| 61 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate)); | 62 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(trailSurrogate)); |
| (...skipping 12 matching lines...) Expand all Loading... |
| 74 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); | 75 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 75 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); | 76 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 76 | 77 |
| 77 // Unpaired leading surrogate. Delete only broken lead surrogate. | 78 // Unpaired leading surrogate. Delete only broken lead surrogate. |
| 78 machine.reset(); | 79 machine.reset(); |
| 79 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(leadSurrogate)); | 80 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(leadSurrogate)); |
| 80 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); | 81 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 81 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); | 82 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 82 } | 83 } |
| 83 | 84 |
| 85 TEST(BackspaceStateMachineTest, CRLF) |
| 86 { |
| 87 BackspaceStateMachine machine; |
| 88 |
| 89 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('\r')); |
| 90 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 91 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 92 |
| 93 machine.reset(); |
| 94 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit('\n')); |
| 95 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 96 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 97 |
| 98 machine.reset(); |
| 99 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit('\n')); |
| 100 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(' ')); |
| 101 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 102 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 103 |
| 104 // CR LF should be deleted at the same time. |
| 105 machine.reset(); |
| 106 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit('\n')); |
| 107 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('\r')); |
| 108 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 109 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 110 } |
| 111 |
| 112 TEST(BackspaceStateMachineTest, KeyCap) |
| 113 { |
| 114 BackspaceStateMachine machine; |
| 115 |
| 116 const UChar keycap = 0x20E3; |
| 117 const UChar vs16 = 0xFE0F; |
| 118 const UChar notKeycapBaseLead = 0xD83C; |
| 119 const UChar notKeycapBaseTrail = 0xDCCF; |
| 120 |
| 121 // keycapBase + keycap |
| 122 machine.reset(); |
| 123 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 124 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('0')); |
| 125 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 126 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 127 |
| 128 // keycapBase + VS + keycap |
| 129 machine.reset(); |
| 130 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 131 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 132 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('0')); |
| 133 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 134 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 135 |
| 136 // Followings are edge cases. Remove only keycap character. |
| 137 // Not keycapBase + keycap |
| 138 machine.reset(); |
| 139 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 140 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 141 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 142 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 143 |
| 144 // Not keycapBase + VS + keycap |
| 145 machine.reset(); |
| 146 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 147 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 148 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 149 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 150 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 151 |
| 152 // Not keycapBase(surrogate pair) + keycap |
| 153 machine.reset(); |
| 154 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 155 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notKeycapBaseTrail
)); |
| 156 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notKeycapBaseLead)); |
| 157 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 158 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 159 |
| 160 // Not keycapBase(surrogate pair) + VS + keycap |
| 161 machine.reset(); |
| 162 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 163 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 164 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notKeycapBaseTrail
)); |
| 165 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notKeycapBaseLead)); |
| 166 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 167 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 168 |
| 169 // Sot + keycap |
| 170 machine.reset(); |
| 171 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 172 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 173 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 174 |
| 175 // Sot + VS + keycap |
| 176 machine.reset(); |
| 177 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(keycap)); |
| 178 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 179 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 180 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 181 } |
| 182 |
| 183 TEST(BackspaceStateMachineTest, EmojiModifier) |
| 184 { |
| 185 BackspaceStateMachine machine; |
| 186 |
| 187 const UChar emojiModifierLead = 0xD83C; |
| 188 const UChar emojiModifierTrail = 0xDFFB; |
| 189 const UChar emojiModifierBase = 0x261D; |
| 190 const UChar emojiModifierBaseLead = 0xD83D; |
| 191 const UChar emojiModifierBaseTrail =0xDC66; |
| 192 const UChar notEmojiModifierBaseLead = 0xD83C; |
| 193 const UChar notEmojiModifierBaseTrail = 0xDCCF; |
| 194 const UChar vs16 = 0xFE0F; |
| 195 |
| 196 // EMOJI_MODIFIER_BASE + EMOJI_MODIFIER |
| 197 machine.reset(); |
| 198 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 199 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 200 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(emojiModifierBase)); |
| 201 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 202 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 203 |
| 204 // EMOJI_MODIFIER_BASE(surrogate pairs) + EMOJI_MODIFIER |
| 205 machine.reset(); |
| 206 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 207 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 208 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierBaseT
rail)); |
| 209 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(emojiModifierBaseLead)); |
| 210 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 211 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 212 |
| 213 // EMOJI_MODIFIER_BASE + VS + EMOJI_MODIFIER |
| 214 machine.reset(); |
| 215 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 216 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 217 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 218 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(emojiModifierBase)); |
| 219 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 220 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 221 |
| 222 // EMOJI_MODIFIER_BASE(surrogate pairs) + VS + EMOJI_MODIFIER |
| 223 machine.reset(); |
| 224 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 225 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 226 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 227 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierBaseT
rail)); |
| 228 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(emojiModifierBaseLead)); |
| 229 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 230 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 231 |
| 232 // Followings are edge cases. Remove only emoji modifier. |
| 233 // Not EMOJI_MODIFIER_BASE + EMOJI_MODIFIER |
| 234 machine.reset(); |
| 235 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 236 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 237 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 238 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 239 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 240 |
| 241 // Not EMOJI_MODIFIER_BASE(surrogate pairs) + EMOJI_MODIFIER |
| 242 machine.reset(); |
| 243 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 244 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 245 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notEmojiModifierBa
seTrail)); |
| 246 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notEmojiModifierBaseLead))
; |
| 247 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 248 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 249 |
| 250 // Not EMOJI_MODIFIER_BASE + VS + EMOJI_MODIFIER |
| 251 machine.reset(); |
| 252 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 253 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 254 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 255 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 256 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 257 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 258 |
| 259 // Not EMOJI_MODIFIER_BASE(surrogate pairs) + VS + EMOJI_MODIFIER |
| 260 machine.reset(); |
| 261 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 262 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 263 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 264 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notEmojiModifierBa
seTrail)); |
| 265 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notEmojiModifierBaseLead))
; |
| 266 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 267 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 268 |
| 269 // Sot + EMOJI_MODIFIER |
| 270 machine.reset(); |
| 271 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 272 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 273 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 274 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 275 |
| 276 // Sot + VS + EMOJI_MODIFIER |
| 277 machine.reset(); |
| 278 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierTrail
)); |
| 279 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(emojiModifierLead)
); |
| 280 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 281 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 282 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 283 } |
| 284 |
| 285 TEST(BackspaceStateMachineTest, RegionalIndicator) |
| 286 { |
| 287 BackspaceStateMachine machine; |
| 288 |
| 289 const UChar regionalIndicatorULead = 0xD83C; |
| 290 const UChar regionalIndicatorUTrail = 0xDDFA; |
| 291 const UChar regionalIndicatorSLead = 0xD83C; |
| 292 const UChar regionalIndicatorSTrail = 0xDDF8; |
| 293 const UChar notRegionalIndicatorLead = 0xD83C; |
| 294 const UChar notRegionalIndicatorTrail = 0xDCCF; |
| 295 |
| 296 // Not RI + RI + RI |
| 297 machine.reset(); |
| 298 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 299 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 300 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 301 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 302 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 303 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 304 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 305 |
| 306 // Not RI(surrogate pairs) + RI + RI |
| 307 machine.reset(); |
| 308 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 309 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 310 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 311 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 312 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notRegionalIndicat
orTrail)); |
| 313 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notRegionalIndicatorLead))
; |
| 314 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 315 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 316 |
| 317 // Sot + RI + RI |
| 318 machine.reset(); |
| 319 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 320 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 321 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 322 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 323 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 324 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 325 |
| 326 // Not RI + RI + RI + RI + RI |
| 327 machine.reset(); |
| 328 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 329 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 330 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 331 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 332 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 333 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 334 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 335 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 336 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 337 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 338 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 339 |
| 340 // Not RI(surrogate pairs) + RI + RI + RI + RI |
| 341 machine.reset(); |
| 342 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 343 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 344 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 345 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 346 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 347 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 348 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 349 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 350 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notRegionalIndicat
orTrail)); |
| 351 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notRegionalIndicatorLead))
; |
| 352 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 353 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 354 |
| 355 // Sot + RI + RI + RI + RI |
| 356 machine.reset(); |
| 357 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 358 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 359 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 360 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 361 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 362 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 363 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 364 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 365 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 366 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 367 |
| 368 // Followings are edge cases. Delete last regional indicator only. |
| 369 // Not RI + RI |
| 370 machine.reset(); |
| 371 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 372 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 373 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 374 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 375 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 376 |
| 377 // Not RI(surrogate pairs) + RI |
| 378 machine.reset(); |
| 379 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 380 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 381 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notRegionalIndicat
orTrail)); |
| 382 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notRegionalIndicatorLead))
; |
| 383 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 384 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 385 |
| 386 // Sot + RI |
| 387 machine.reset(); |
| 388 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 389 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 390 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 391 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 392 |
| 393 // Not RI + RI + RI + RI |
| 394 machine.reset(); |
| 395 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 396 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 397 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 398 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 399 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 400 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 401 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit('a')); |
| 402 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 403 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 404 |
| 405 // Not RI(surrogate pairs) + RI + RI + RI |
| 406 machine.reset(); |
| 407 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 408 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 409 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 410 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 411 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 412 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 413 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notRegionalIndicat
orTrail)); |
| 414 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notRegionalIndicatorLead))
; |
| 415 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 416 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 417 |
| 418 // Sot + RI + RI + RI |
| 419 machine.reset(); |
| 420 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 421 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 422 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Trail)); |
| 423 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorS
Lead)); |
| 424 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Trail)); |
| 425 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(regionalIndicatorU
Lead)); |
| 426 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 427 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 428 } |
| 429 |
| 430 TEST(BackspaceStateMachineTest, VariationSequencec) |
| 431 { |
| 432 BackspaceStateMachine machine; |
| 433 |
| 434 UChar vs16 = 0xFE0F; |
| 435 UChar vs16Base = '0'; |
| 436 UChar vs16BaseLead = 0xD83C; |
| 437 UChar vs16BaseTrail = 0xDD70; |
| 438 |
| 439 UChar vs17Lead = 0xDB40; |
| 440 UChar vs17Trail = 0xDD00; |
| 441 UChar vs17Base = 0x3402; |
| 442 UChar vs17BaseLead = 0xD841; |
| 443 UChar vs17BaseTrail = 0xDC8C; |
| 444 |
| 445 UChar mongolianVs = 0x180B; |
| 446 UChar mongolianVsBase = 0x1820; |
| 447 // Variation selectors can't be a base of variation sequence. |
| 448 UChar notvsBase = 0xFE00; |
| 449 UChar notvsBaseLead = 0xDB40; |
| 450 UChar notvsBaseTrail = 0xDD01; |
| 451 |
| 452 // VS_BASE + VS |
| 453 machine.reset(); |
| 454 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 455 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(vs16Base)); |
| 456 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 457 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 458 |
| 459 // VS_BASE + VS(surrogate pairs) |
| 460 machine.reset(); |
| 461 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Trail)); |
| 462 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Lead)); |
| 463 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(vs17Base)); |
| 464 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 465 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 466 |
| 467 // VS_BASE(surrogate pairs) + VS |
| 468 machine.reset(); |
| 469 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 470 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16BaseTrail)); |
| 471 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(vs16BaseLead)); |
| 472 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 473 EXPECT_EQ(-3, machine.finalizeAndGetBoundaryOffset()); |
| 474 |
| 475 // VS_BASE(surrogate pairs) + VS(surrogate pairs) |
| 476 machine.reset(); |
| 477 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Trail)); |
| 478 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Lead)); |
| 479 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17BaseTrail)); |
| 480 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(vs17BaseLead)); |
| 481 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 482 EXPECT_EQ(-4, machine.finalizeAndGetBoundaryOffset()); |
| 483 |
| 484 // mongolianVsBase + mongolianVs |
| 485 machine.reset(); |
| 486 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(mongolianVs)); |
| 487 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(mongolianVsBase)); |
| 488 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 489 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 490 |
| 491 // Followings are edge case. Delete only variation selector. |
| 492 // Not VS_BASE + VS |
| 493 machine.reset(); |
| 494 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 495 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notvsBase)); |
| 496 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 497 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 498 |
| 499 // Not VS_BASE + VS(surrogate pairs) |
| 500 machine.reset(); |
| 501 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Trail)); |
| 502 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Lead)); |
| 503 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notvsBase)); |
| 504 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 505 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 506 |
| 507 // Not VS_BASE(surrogate pairs) + VS |
| 508 machine.reset(); |
| 509 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 510 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notvsBaseTrail)); |
| 511 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notvsBaseLead)); |
| 512 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 513 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 514 |
| 515 // Not VS_BASE(surrogate pairs) + VS(surrogate pairs) |
| 516 machine.reset(); |
| 517 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Trail)); |
| 518 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Lead)); |
| 519 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notvsBaseTrail)); |
| 520 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notvsBaseLead)); |
| 521 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 522 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 523 |
| 524 // Not VS_BASE + MONGOLIAN_VS |
| 525 machine.reset(); |
| 526 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(mongolianVs)); |
| 527 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notvsBase)); |
| 528 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 529 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 530 |
| 531 // Not VS_BASE(surrogate pairs) + MONGOLIAN_VS |
| 532 machine.reset(); |
| 533 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(mongolianVs)); |
| 534 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(notvsBaseTrail)); |
| 535 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(notvsBaseLead)); |
| 536 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 537 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 538 |
| 539 // Sot + VS |
| 540 machine.reset(); |
| 541 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 542 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 543 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 544 |
| 545 // Sot + VS(surrogate pair) |
| 546 machine.reset(); |
| 547 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Trail)); |
| 548 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs17Lead)); |
| 549 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 550 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 551 |
| 552 // Sot + MONGOLIAN_VS |
| 553 machine.reset(); |
| 554 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(mongolianVs)); |
| 555 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 556 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 557 } |
| 558 |
| 559 TEST(BackspaceStateMachineTest, ZWJSequence) |
| 560 { |
| 561 BackspaceStateMachine machine; |
| 562 |
| 563 const UChar zwj = 0x200D; |
| 564 const UChar eyeLead = 0xD83D; |
| 565 const UChar eyeTrail = 0xDC41; |
| 566 const UChar leftSpeachBubbleLead = 0xD83D; |
| 567 const UChar leftSpeachBubbleTrail = 0xDDE8; |
| 568 const UChar manLead = 0xD83D; |
| 569 const UChar manTrail = 0xDC68; |
| 570 const UChar boyLead = 0xD83D; |
| 571 const UChar boyTrail = 0xDC66; |
| 572 const UChar heart = 0x2764; |
| 573 const UChar kissLead = 0xD83D; |
| 574 const UChar killTrail = 0xDC8B; |
| 575 const UChar vs16 = 0xFE0F; |
| 576 const UChar other = 'a'; |
| 577 const UChar otherLead = 0xD83C; |
| 578 const UChar otherTrail = 0xDCCF; |
| 579 |
| 580 // Followings are chosen from valid zwj sequcne. |
| 581 // See http://www.unicode.org/Public/emoji/2.0//emoji-zwj-sequences.txt |
| 582 |
| 583 // others + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 584 // As an example, use EYE + ZWJ + LEFT_SPEACH_BUBBLE |
| 585 machine.reset(); |
| 586 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(leftSpeachBubbleTr
ail)); |
| 587 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(leftSpeachBubbleLe
ad)); |
| 588 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 589 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(eyeTrail)); |
| 590 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(eyeLead)); |
| 591 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 592 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 593 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 594 |
| 595 // others(surrogate pairs) + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 596 // As an example, use EYE + ZWJ + LEFT_SPEACH_BUBBLE |
| 597 machine.reset(); |
| 598 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(leftSpeachBubbleTr
ail)); |
| 599 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(leftSpeachBubbleLe
ad)); |
| 600 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 601 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(eyeTrail)); |
| 602 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(eyeLead)); |
| 603 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 604 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 605 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 606 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 607 |
| 608 // Sot + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 609 // As an example, use EYE + ZWJ + LEFT_SPEACH_BUBBLE |
| 610 machine.reset(); |
| 611 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(leftSpeachBubbleTr
ail)); |
| 612 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(leftSpeachBubbleLe
ad)); |
| 613 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 614 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(eyeTrail)); |
| 615 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(eyeLead)); |
| 616 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 617 EXPECT_EQ(-5, machine.finalizeAndGetBoundaryOffset()); |
| 618 |
| 619 // others + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 620 // As an example, use MAN + ZWJ + heart + ZWJ + MAN |
| 621 machine.reset(); |
| 622 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 623 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 624 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 625 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 626 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 627 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 628 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 629 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 630 EXPECT_EQ(-7, machine.finalizeAndGetBoundaryOffset()); |
| 631 EXPECT_EQ(-7, machine.finalizeAndGetBoundaryOffset()); |
| 632 |
| 633 // others(surrogate pairs) + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 634 // As an example, use MAN + ZWJ + heart + ZWJ + MAN |
| 635 machine.reset(); |
| 636 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 637 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 638 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 639 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 640 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 641 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 642 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 643 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 644 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 645 EXPECT_EQ(-7, machine.finalizeAndGetBoundaryOffset()); |
| 646 EXPECT_EQ(-7, machine.finalizeAndGetBoundaryOffset()); |
| 647 |
| 648 // Sot + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 649 // As an example, use MAN + ZWJ + heart + ZWJ + MAN |
| 650 machine.reset(); |
| 651 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 652 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 653 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 654 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 655 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 656 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 657 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 658 EXPECT_EQ(-7, machine.finalizeAndGetBoundaryOffset()); |
| 659 EXPECT_EQ(-7, machine.finalizeAndGetBoundaryOffset()); |
| 660 |
| 661 // others + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + VS + ZWJ + ZWJ_EMOJI |
| 662 // As an example, use MAN + ZWJ + heart + vs16 + ZWJ + MAN |
| 663 machine.reset(); |
| 664 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 665 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 666 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 667 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 668 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 669 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 670 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 671 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 672 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 673 EXPECT_EQ(-8, machine.finalizeAndGetBoundaryOffset()); |
| 674 EXPECT_EQ(-8, machine.finalizeAndGetBoundaryOffset()); |
| 675 |
| 676 // others(surrogate pairs) + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + VS + ZWJ + ZWJ_EM
OJI |
| 677 // As an example, use MAN + ZWJ + heart + vs16 + ZWJ + MAN |
| 678 machine.reset(); |
| 679 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 680 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 681 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 682 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 683 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 684 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 685 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 686 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 687 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 688 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 689 EXPECT_EQ(-8, machine.finalizeAndGetBoundaryOffset()); |
| 690 EXPECT_EQ(-8, machine.finalizeAndGetBoundaryOffset()); |
| 691 |
| 692 // Sot + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + VS + ZWJ + ZWJ_EMOJI |
| 693 // As an example, use MAN + ZWJ + heart + vs16 + ZWJ + MAN |
| 694 machine.reset(); |
| 695 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 696 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 697 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 698 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 699 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 700 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 701 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 702 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 703 EXPECT_EQ(-8, machine.finalizeAndGetBoundaryOffset()); |
| 704 EXPECT_EQ(-8, machine.finalizeAndGetBoundaryOffset()); |
| 705 |
| 706 // others + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 707 // As an example, use MAN + ZWJ + MAN + ZWJ + boy + ZWJ + BOY |
| 708 machine.reset(); |
| 709 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyTrail)); |
| 710 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyLead)); |
| 711 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 712 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyTrail)); |
| 713 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyLead)); |
| 714 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 715 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 716 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 717 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 718 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 719 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 720 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 721 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 722 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 723 |
| 724 // others(surrogate pairs) + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI +
ZWJ + ZWJ_EMOJI |
| 725 // As an example, use MAN + ZWJ + MAN + ZWJ + boy + ZWJ + BOY |
| 726 machine.reset(); |
| 727 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyTrail)); |
| 728 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyLead)); |
| 729 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 730 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyTrail)); |
| 731 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyLead)); |
| 732 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 733 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 734 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 735 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 736 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 737 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 738 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 739 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 740 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 741 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 742 |
| 743 // Sot + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI |
| 744 // As an example, use MAN + ZWJ + MAN + ZWJ + boy + ZWJ + BOY |
| 745 machine.reset(); |
| 746 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyTrail)); |
| 747 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyLead)); |
| 748 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 749 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyTrail)); |
| 750 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(boyLead)); |
| 751 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 752 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 753 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 754 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 755 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 756 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 757 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 758 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 759 |
| 760 // others + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + VS + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_E
MOJI |
| 761 // As an example, use MAN + ZWJ + heart + VS + ZWJ + KISS + ZWJ + MAN |
| 762 machine.reset(); |
| 763 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 764 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 765 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 766 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(killTrail)); |
| 767 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(kissLead)); |
| 768 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 769 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 770 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 771 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 772 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 773 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 774 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 775 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 776 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 777 |
| 778 // others(surrogate pairs) + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + VS + ZWJ + ZWJ_EM
OJI + ZWJ + ZWJ_EMOJI |
| 779 // As an example, use MAN + ZWJ + heart + VS + ZWJ + KISS + ZWJ + MAN |
| 780 machine.reset(); |
| 781 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 782 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 783 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 784 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(killTrail)); |
| 785 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(kissLead)); |
| 786 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 787 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 788 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 789 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 790 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 791 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 792 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 793 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 794 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 795 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 796 |
| 797 // Sot + ZWJ_EMOJI + ZWJ + ZWJ_EMOJI + VS + ZWJ + ZWJ_EMOJI + ZWJ + ZWJ_EMOJ
I |
| 798 // As an example, use MAN + ZWJ + heart + VS + ZWJ + KISS + ZWJ + MAN |
| 799 machine.reset(); |
| 800 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 801 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 802 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 803 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(killTrail)); |
| 804 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(kissLead)); |
| 805 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 806 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(vs16)); |
| 807 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 808 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(zwj)); |
| 809 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 810 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 811 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 812 EXPECT_EQ(-11, machine.finalizeAndGetBoundaryOffset()); |
| 813 |
| 814 // Followings are not edge cases but good to check. |
| 815 // If leading character is not zwj, delete only ZWJ_EMOJI. |
| 816 // other + ZWJ_EMOJI |
| 817 machine.reset(); |
| 818 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 819 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 820 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 821 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 822 |
| 823 // other(surrogate pairs) + ZWJ_EMOJI |
| 824 machine.reset(); |
| 825 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 826 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 827 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 828 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 829 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 830 |
| 831 // Sot + ZWJ_EMOJI |
| 832 machine.reset(); |
| 833 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(heart)); |
| 834 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 835 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 836 |
| 837 // other + ZWJ_EMOJI(surrogate pairs) |
| 838 machine.reset(); |
| 839 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 840 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 841 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(other)); |
| 842 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 843 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 844 |
| 845 // other(surrogate pairs) + ZWJ_EMOJI(surrogate pairs) |
| 846 machine.reset(); |
| 847 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 848 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 849 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(otherTrail)); |
| 850 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(otherLead)); |
| 851 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 852 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 853 |
| 854 // Sot + ZWJ_EMOJI(surrogate pairs) |
| 855 machine.reset(); |
| 856 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manTrail)); |
| 857 EXPECT_EQ(NeedMoreCodeUnit, machine.feedPrecedingCodeUnit(manLead)); |
| 858 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 859 EXPECT_EQ(-2, machine.finalizeAndGetBoundaryOffset()); |
| 860 |
| 861 // Followings are edge case. |
| 862 // It is hard to list all edge case patterns. Check only over deleting by ZW
J. |
| 863 // any + ZWJ: should delete only last ZWJ. |
| 864 machine.reset(); |
| 865 EXPECT_EQ(Finished, machine.feedPrecedingCodeUnit(zwj)); |
| 866 EXPECT_EQ(-1, machine.finalizeAndGetBoundaryOffset()); |
| 867 } |
| 84 } // namespace blink | 868 } // namespace blink |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1844663002:
Implement backspace state machine for complex emoji sequence. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master