| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| #include "UnicodeUtils.h" |
| |
| #include "minikin/LayoutUtils.h" |
| |
| namespace minikin { |
| |
| void ExpectNextWordBreakForCache(size_t offset_in, const char* query_str) { |
| const size_t BUF_SIZE = 256U; |
| uint16_t buf[BUF_SIZE]; |
| size_t expected_breakpoint = 0U; |
| size_t size = 0U; |
| |
| ParseUnicode(buf, BUF_SIZE, query_str, &size, &expected_breakpoint); |
| EXPECT_EQ(expected_breakpoint, getNextWordBreakForCache(buf, offset_in, size)) |
| << "Expected position is [" << query_str << "] from offset " << offset_in; |
| } |
| |
| void ExpectPrevWordBreakForCache(size_t offset_in, const char* query_str) { |
| const size_t BUF_SIZE = 256U; |
| uint16_t buf[BUF_SIZE]; |
| size_t expected_breakpoint = 0U; |
| size_t size = 0U; |
| |
| ParseUnicode(buf, BUF_SIZE, query_str, &size, &expected_breakpoint); |
| EXPECT_EQ(expected_breakpoint, getPrevWordBreakForCache(buf, offset_in, size)) |
| << "Expected position is [" << query_str << "] from offset " << offset_in; |
| } |
| |
| TEST(WordBreakTest, goNextWordBreakTest) { |
| ExpectNextWordBreakForCache(0, "|"); |
| |
| // Continue for spaces. |
| ExpectNextWordBreakForCache(0, "'a' 'b' 'c' 'd' |"); |
| ExpectNextWordBreakForCache(1, "'a' 'b' 'c' 'd' |"); |
| ExpectNextWordBreakForCache(2, "'a' 'b' 'c' 'd' |"); |
| ExpectNextWordBreakForCache(3, "'a' 'b' 'c' 'd' |"); |
| ExpectNextWordBreakForCache(4, "'a' 'b' 'c' 'd' |"); |
| ExpectNextWordBreakForCache(1000, "'a' 'b' 'c' 'd' |"); |
| |
| // Space makes word break. |
| ExpectNextWordBreakForCache(0, "'a' 'b' | U+0020 'c' 'd'"); |
| ExpectNextWordBreakForCache(1, "'a' 'b' | U+0020 'c' 'd'"); |
| ExpectNextWordBreakForCache(2, "'a' 'b' U+0020 | 'c' 'd'"); |
| ExpectNextWordBreakForCache(3, "'a' 'b' U+0020 'c' 'd' |"); |
| ExpectNextWordBreakForCache(4, "'a' 'b' U+0020 'c' 'd' |"); |
| ExpectNextWordBreakForCache(5, "'a' 'b' U+0020 'c' 'd' |"); |
| ExpectNextWordBreakForCache(1000, "'a' 'b' U+0020 'c' 'd' |"); |
| |
| ExpectNextWordBreakForCache(0, "'a' 'b' | U+2000 'c' 'd'"); |
| ExpectNextWordBreakForCache(1, "'a' 'b' | U+2000 'c' 'd'"); |
| ExpectNextWordBreakForCache(2, "'a' 'b' U+2000 | 'c' 'd'"); |
| ExpectNextWordBreakForCache(3, "'a' 'b' U+2000 'c' 'd' |"); |
| ExpectNextWordBreakForCache(4, "'a' 'b' U+2000 'c' 'd' |"); |
| ExpectNextWordBreakForCache(5, "'a' 'b' U+2000 'c' 'd' |"); |
| ExpectNextWordBreakForCache(1000, "'a' 'b' U+2000 'c' 'd' |"); |
| |
| ExpectNextWordBreakForCache(0, "'a' 'b' | U+2000 U+2000 'c' 'd'"); |
| ExpectNextWordBreakForCache(1, "'a' 'b' | U+2000 U+2000 'c' 'd'"); |
| ExpectNextWordBreakForCache(2, "'a' 'b' U+2000 | U+2000 'c' 'd'"); |
| ExpectNextWordBreakForCache(3, "'a' 'b' U+2000 U+2000 | 'c' 'd'"); |
| ExpectNextWordBreakForCache(4, "'a' 'b' U+2000 U+2000 'c' 'd' |"); |
| ExpectNextWordBreakForCache(5, "'a' 'b' U+2000 U+2000 'c' 'd' |"); |
| ExpectNextWordBreakForCache(6, "'a' 'b' U+2000 U+2000 'c' 'd' |"); |
| ExpectNextWordBreakForCache(1000, "'a' 'b' U+2000 U+2000 'c' 'd' |"); |
| |
| // CJK ideographs makes word break. |
| ExpectNextWordBreakForCache(0, "U+4E00 | U+4E00 U+4E00 U+4E00 U+4E00"); |
| ExpectNextWordBreakForCache(1, "U+4E00 U+4E00 | U+4E00 U+4E00 U+4E00"); |
| ExpectNextWordBreakForCache(2, "U+4E00 U+4E00 U+4E00 | U+4E00 U+4E00"); |
| ExpectNextWordBreakForCache(3, "U+4E00 U+4E00 U+4E00 U+4E00 | U+4E00"); |
| ExpectNextWordBreakForCache(4, |
| "U+4E00 U+4E00 U+4E00 U+4E00 U+4E00 |"); |
| ExpectNextWordBreakForCache(5, |
| "U+4E00 U+4E00 U+4E00 U+4E00 U+4E00 |"); |
| ExpectNextWordBreakForCache(1000, |
| "U+4E00 U+4E00 U+4E00 U+4E00 U+4E00 |"); |
| |
| ExpectNextWordBreakForCache(0, "U+4E00 | U+4E8C U+4E09 U+56DB U+4E94"); |
| ExpectNextWordBreakForCache(1, "U+4E00 U+4E8C | U+4E09 U+56DB U+4E94"); |
| ExpectNextWordBreakForCache(2, "U+4E00 U+4E8C U+4E09 | U+56DB U+4E94"); |
| ExpectNextWordBreakForCache(3, "U+4E00 U+4E8C U+4E09 U+56DB | U+4E94"); |
| ExpectNextWordBreakForCache(4, |
| "U+4E00 U+4E8C U+4E09 U+56DB U+4E94 |"); |
| ExpectNextWordBreakForCache(5, |
| "U+4E00 U+4E8C U+4E09 U+56DB U+4E94 |"); |
| ExpectNextWordBreakForCache(1000, |
| "U+4E00 U+4E8C U+4E09 U+56DB U+4E94 |"); |
| |
| ExpectNextWordBreakForCache(0, "U+4E00 'a' 'b' | U+2000 'c' U+4E00"); |
| ExpectNextWordBreakForCache(1, "U+4E00 'a' 'b' | U+2000 'c' U+4E00"); |
| ExpectNextWordBreakForCache(2, "U+4E00 'a' 'b' | U+2000 'c' U+4E00"); |
| ExpectNextWordBreakForCache(3, "U+4E00 'a' 'b' U+2000 | 'c' U+4E00"); |
| ExpectNextWordBreakForCache(4, "U+4E00 'a' 'b' U+2000 'c' | U+4E00"); |
| ExpectNextWordBreakForCache(5, "U+4E00 'a' 'b' U+2000 'c' U+4E00 |"); |
| ExpectNextWordBreakForCache(1000, "U+4E00 'a' 'b' U+2000 'c' U+4E00 |"); |
| |
| // Continue if trailing characters is Unicode combining characters. |
| ExpectNextWordBreakForCache(0, "U+4E00 U+0332 | U+4E00"); |
| ExpectNextWordBreakForCache(1, "U+4E00 U+0332 | U+4E00"); |
| ExpectNextWordBreakForCache(2, "U+4E00 U+0332 U+4E00 |"); |
| ExpectNextWordBreakForCache(3, "U+4E00 U+0332 U+4E00 |"); |
| ExpectNextWordBreakForCache(1000, "U+4E00 U+0332 U+4E00 |"); |
| |
| // Surrogate pairs. |
| ExpectNextWordBreakForCache(0, "U+1F60D U+1F618 |"); |
| ExpectNextWordBreakForCache(1, "U+1F60D U+1F618 |"); |
| ExpectNextWordBreakForCache(2, "U+1F60D U+1F618 |"); |
| ExpectNextWordBreakForCache(3, "U+1F60D U+1F618 |"); |
| ExpectNextWordBreakForCache(4, "U+1F60D U+1F618 |"); |
| ExpectNextWordBreakForCache(1000, "U+1F60D U+1F618 |"); |
| |
| // Broken surrogate pairs. |
| // U+D84D is leading surrogate but there is no trailing surrogate for it. |
| ExpectNextWordBreakForCache(0, "U+D84D U+1F618 |"); |
| ExpectNextWordBreakForCache(1, "U+D84D U+1F618 |"); |
| ExpectNextWordBreakForCache(2, "U+D84D U+1F618 |"); |
| ExpectNextWordBreakForCache(3, "U+D84D U+1F618 |"); |
| ExpectNextWordBreakForCache(1000, "U+D84D U+1F618 |"); |
| |
| ExpectNextWordBreakForCache(0, "U+1F618 U+D84D |"); |
| ExpectNextWordBreakForCache(1, "U+1F618 U+D84D |"); |
| ExpectNextWordBreakForCache(2, "U+1F618 U+D84D |"); |
| ExpectNextWordBreakForCache(3, "U+1F618 U+D84D |"); |
| ExpectNextWordBreakForCache(1000, "U+1F618 U+D84D |"); |
| |
| // U+DE0D is trailing surrogate but there is no leading surrogate for it. |
| ExpectNextWordBreakForCache(0, "U+DE0D U+1F618 |"); |
| ExpectNextWordBreakForCache(1, "U+DE0D U+1F618 |"); |
| ExpectNextWordBreakForCache(2, "U+DE0D U+1F618 |"); |
| ExpectNextWordBreakForCache(3, "U+DE0D U+1F618 |"); |
| ExpectNextWordBreakForCache(1000, "U+DE0D U+1F618 |"); |
| |
| ExpectNextWordBreakForCache(0, "U+1F618 U+DE0D |"); |
| ExpectNextWordBreakForCache(1, "U+1F618 U+DE0D |"); |
| ExpectNextWordBreakForCache(2, "U+1F618 U+DE0D |"); |
| ExpectNextWordBreakForCache(3, "U+1F618 U+DE0D |"); |
| ExpectNextWordBreakForCache(1000, "U+1F618 U+DE0D |"); |
| |
| // Regional indicator pair. U+1F1FA U+1F1F8 is US national flag. |
| ExpectNextWordBreakForCache(0, "U+1F1FA U+1F1F8 |"); |
| ExpectNextWordBreakForCache(1, "U+1F1FA U+1F1F8 |"); |
| ExpectNextWordBreakForCache(2, "U+1F1FA U+1F1F8 |"); |
| ExpectNextWordBreakForCache(1000, "U+1F1FA U+1F1F8 |"); |
| |
| // Tone marks. |
| // CJK ideographic char + Tone mark + CJK ideographic char |
| ExpectNextWordBreakForCache(0, "U+4444 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(1, "U+4444 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(2, "U+4444 U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(3, "U+4444 U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(1000, "U+4444 U+302D U+4444 |"); |
| |
| // Variation Selectors. |
| // CJK Ideographic char + Variation Selector(VS1) + CJK Ideographic char |
| ExpectNextWordBreakForCache(0, "U+845B U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(1, "U+845B U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(2, "U+845B U+FE00 U+845B |"); |
| ExpectNextWordBreakForCache(3, "U+845B U+FE00 U+845B |"); |
| ExpectNextWordBreakForCache(1000, "U+845B U+FE00 U+845B |"); |
| |
| // CJK Ideographic char + Variation Selector(VS17) + CJK Ideographic char |
| ExpectNextWordBreakForCache(0, "U+845B U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(1, "U+845B U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(2, "U+845B U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(3, "U+845B U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(4, "U+845B U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(5, "U+845B U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(1000, "U+845B U+E0100 U+845B |"); |
| |
| // CJK ideographic char + Tone mark + Variation Character(VS1) |
| ExpectNextWordBreakForCache(0, "U+4444 U+302D U+FE00 | U+4444"); |
| ExpectNextWordBreakForCache(1, "U+4444 U+302D U+FE00 | U+4444"); |
| ExpectNextWordBreakForCache(2, "U+4444 U+302D U+FE00 | U+4444"); |
| ExpectNextWordBreakForCache(3, "U+4444 U+302D U+FE00 U+4444 |"); |
| ExpectNextWordBreakForCache(4, "U+4444 U+302D U+FE00 U+4444 |"); |
| ExpectNextWordBreakForCache(1000, "U+4444 U+302D U+FE00 U+4444 |"); |
| |
| // CJK ideographic char + Tone mark + Variation Character(VS17) |
| ExpectNextWordBreakForCache(0, "U+4444 U+302D U+E0100 | U+4444"); |
| ExpectNextWordBreakForCache(1, "U+4444 U+302D U+E0100 | U+4444"); |
| ExpectNextWordBreakForCache(2, "U+4444 U+302D U+E0100 | U+4444"); |
| ExpectNextWordBreakForCache(3, "U+4444 U+302D U+E0100 | U+4444"); |
| ExpectNextWordBreakForCache(4, "U+4444 U+302D U+E0100 U+4444 |"); |
| ExpectNextWordBreakForCache(5, "U+4444 U+302D U+E0100 U+4444 |"); |
| ExpectNextWordBreakForCache(1000, "U+4444 U+302D U+E0100 U+4444 |"); |
| |
| // CJK ideographic char + Variation Character(VS1) + Tone mark |
| ExpectNextWordBreakForCache(0, "U+4444 U+FE00 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(1, "U+4444 U+FE00 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(2, "U+4444 U+FE00 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(3, "U+4444 U+FE00 U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(4, "U+4444 U+FE00 U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(1000, "U+4444 U+FE00 U+302D U+4444 |"); |
| |
| // CJK ideographic char + Variation Character(VS17) + Tone mark |
| ExpectNextWordBreakForCache(0, "U+4444 U+E0100 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(1, "U+4444 U+E0100 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(2, "U+4444 U+E0100 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(3, "U+4444 U+E0100 U+302D | U+4444"); |
| ExpectNextWordBreakForCache(4, "U+4444 U+E0100 U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(5, "U+4444 U+E0100 U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(1000, "U+4444 U+E0100 U+302D U+4444 |"); |
| |
| // Following test cases are unusual usage of variation selectors and tone |
| // marks for caching up the further behavior changes, e.g. index of bounds |
| // or crashes. Please feel free to update the test expectations if the |
| // behavior change makes sense to you. |
| |
| // Isolated Tone marks and Variation Selectors |
| ExpectNextWordBreakForCache(0, "U+FE00 |"); |
| ExpectNextWordBreakForCache(1, "U+FE00 |"); |
| ExpectNextWordBreakForCache(1000, "U+FE00 |"); |
| ExpectNextWordBreakForCache(0, "U+E0100 |"); |
| ExpectNextWordBreakForCache(1000, "U+E0100 |"); |
| ExpectNextWordBreakForCache(0, "U+302D |"); |
| ExpectNextWordBreakForCache(1000, "U+302D |"); |
| |
| // CJK Ideographic char + Variation Selector(VS1) + Variation Selector(VS1) |
| ExpectNextWordBreakForCache(0, "U+845B U+FE00 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(1, "U+845B U+FE00 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(2, "U+845B U+FE00 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(3, "U+845B U+FE00 U+FE00 U+845B |"); |
| ExpectNextWordBreakForCache(4, "U+845B U+FE00 U+FE00 U+845B |"); |
| ExpectNextWordBreakForCache(1000, "U+845B U+FE00 U+FE00 U+845B |"); |
| |
| // CJK Ideographic char + Variation Selector(VS17) + Variation Selector(VS17) |
| ExpectNextWordBreakForCache(0, "U+845B U+E0100 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(1, "U+845B U+E0100 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(2, "U+845B U+E0100 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(3, "U+845B U+E0100 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(4, "U+845B U+E0100 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(5, "U+845B U+E0100 U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(6, "U+845B U+E0100 U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(1000, "U+845B U+E0100 U+E0100 U+845B |"); |
| |
| // CJK Ideographic char + Variation Selector(VS1) + Variation Selector(VS17) |
| ExpectNextWordBreakForCache(0, "U+845B U+FE00 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(1, "U+845B U+FE00 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(2, "U+845B U+FE00 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(3, "U+845B U+FE00 U+E0100 | U+845B"); |
| ExpectNextWordBreakForCache(4, "U+845B U+FE00 U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(5, "U+845B U+FE00 U+E0100 U+845B |"); |
| ExpectNextWordBreakForCache(1000, "U+845B U+FE00 U+E0100 U+845B |"); |
| |
| // CJK Ideographic char + Variation Selector(VS17) + Variation Selector(VS1) |
| ExpectNextWordBreakForCache(0, "U+845B U+E0100 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(1, "U+845B U+E0100 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(2, "U+845B U+E0100 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(3, "U+845B U+E0100 U+FE00 | U+845B"); |
| ExpectNextWordBreakForCache(4, "U+845B U+E0100 U+FE00 U+845B |"); |
| ExpectNextWordBreakForCache(5, "U+845B U+E0100 U+FE00 U+845B |"); |
| ExpectNextWordBreakForCache(1000, "U+845B U+E0100 U+FE00 U+845B |"); |
| |
| // Tone mark. + Tone mark |
| ExpectNextWordBreakForCache(0, "U+4444 U+302D U+302D | U+4444"); |
| ExpectNextWordBreakForCache(1, "U+4444 U+302D U+302D | U+4444"); |
| ExpectNextWordBreakForCache(2, "U+4444 U+302D U+302D | U+4444"); |
| ExpectNextWordBreakForCache(3, "U+4444 U+302D U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(4, "U+4444 U+302D U+302D U+4444 |"); |
| ExpectNextWordBreakForCache(1000, "U+4444 U+302D U+302D U+4444 |"); |
| } |
| |
| TEST(WordBreakTest, goPrevWordBreakTest) { |
| ExpectPrevWordBreakForCache(0, "|"); |
| |
| // Continue for spaces. |
| ExpectPrevWordBreakForCache(0, "| 'a' 'b' 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1, "| 'a' 'b' 'c' 'd'"); |
| ExpectPrevWordBreakForCache(2, "| 'a' 'b' 'c' 'd'"); |
| ExpectPrevWordBreakForCache(3, "| 'a' 'b' 'c' 'd'"); |
| ExpectPrevWordBreakForCache(4, "| 'a' 'b' 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1000, "| 'a' 'b' 'c' 'd'"); |
| |
| // Space makes word break. |
| ExpectPrevWordBreakForCache(0, "| 'a' 'b' U+0020 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1, "| 'a' 'b' U+0020 'c' 'd'"); |
| ExpectPrevWordBreakForCache(2, "| 'a' 'b' U+0020 'c' 'd'"); |
| ExpectPrevWordBreakForCache(3, "'a' 'b' | U+0020 'c' 'd'"); |
| ExpectPrevWordBreakForCache(4, "'a' 'b' U+0020 | 'c' 'd'"); |
| ExpectPrevWordBreakForCache(5, "'a' 'b' U+0020 | 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1000, "'a' 'b' U+0020 | 'c' 'd'"); |
| |
| ExpectPrevWordBreakForCache(0, "| 'a' 'b' U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1, "| 'a' 'b' U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(2, "| 'a' 'b' U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(3, "'a' 'b' | U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(4, "'a' 'b' U+2000 | 'c' 'd'"); |
| ExpectPrevWordBreakForCache(5, "'a' 'b' U+2000 | 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1000, "'a' 'b' U+2000 | 'c' 'd'"); |
| |
| ExpectPrevWordBreakForCache(0, "| 'a' 'b' U+2000 U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1, "| 'a' 'b' U+2000 U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(2, "| 'a' 'b' U+2000 U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(3, "'a' 'b' | U+2000 U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(4, "'a' 'b' U+2000 | U+2000 'c' 'd'"); |
| ExpectPrevWordBreakForCache(5, "'a' 'b' U+2000 U+2000 | 'c' 'd'"); |
| ExpectPrevWordBreakForCache(6, "'a' 'b' U+2000 U+2000 | 'c' 'd'"); |
| ExpectPrevWordBreakForCache(1000, "'a' 'b' U+2000 U+2000 | 'c' 'd'"); |
| |
| // CJK ideographs makes word break. |
| ExpectPrevWordBreakForCache(0, "| U+4E00 U+4E00 U+4E00 U+4E00 U+4E00"); |
| ExpectPrevWordBreakForCache(1, "| U+4E00 U+4E00 U+4E00 U+4E00 U+4E00"); |
| ExpectPrevWordBreakForCache(2, "U+4E00 | U+4E00 U+4E00 U+4E00 U+4E00"); |
| ExpectPrevWordBreakForCache(3, "U+4E00 U+4E00 | U+4E00 U+4E00 U+4E00"); |
| ExpectPrevWordBreakForCache(4, "U+4E00 U+4E00 U+4E00 | U+4E00 U+4E00"); |
| ExpectPrevWordBreakForCache(5, "U+4E00 U+4E00 U+4E00 U+4E00 | U+4E00"); |
| ExpectPrevWordBreakForCache(1000, "U+4E00 U+4E00 U+4E00 U+4E00 | U+4E00"); |
| |
| ExpectPrevWordBreakForCache(0, "| U+4E00 U+4E8C U+4E09 U+56DB U+4E94"); |
| ExpectPrevWordBreakForCache(1, "| U+4E00 U+4E8C U+4E09 U+56DB U+4E94"); |
| ExpectPrevWordBreakForCache(2, "U+4E00 | U+4E8C U+4E09 U+56DB U+4E94"); |
| ExpectPrevWordBreakForCache(3, "U+4E00 U+4E8C | U+4E09 U+56DB U+4E94"); |
| ExpectPrevWordBreakForCache(4, "U+4E00 U+4E8C U+4E09 | U+56DB U+4E94"); |
| ExpectPrevWordBreakForCache(5, "U+4E00 U+4E8C U+4E09 U+56DB | U+4E94"); |
| ExpectPrevWordBreakForCache(1000, "U+4E00 U+4E8C U+4E09 U+56DB | U+4E94"); |
| |
| // Mixed case. |
| ExpectPrevWordBreakForCache(0, "| U+4E00 'a' 'b' U+2000 'c' U+4E00"); |
| ExpectPrevWordBreakForCache(1, "| U+4E00 'a' 'b' U+2000 'c' U+4E00"); |
| ExpectPrevWordBreakForCache(2, "| U+4E00 'a' 'b' U+2000 'c' U+4E00"); |
| ExpectPrevWordBreakForCache(3, "| U+4E00 'a' 'b' U+2000 'c' U+4E00"); |
| ExpectPrevWordBreakForCache(4, "U+4E00 'a' 'b' | U+2000 'c' U+4E00"); |
| ExpectPrevWordBreakForCache(5, "U+4E00 'a' 'b' U+2000 | 'c' U+4E00"); |
| ExpectPrevWordBreakForCache(6, "U+4E00 'a' 'b' U+2000 'c' | U+4E00"); |
| ExpectPrevWordBreakForCache(1000, "U+4E00 'a' 'b' U+2000 'c' | U+4E00"); |
| |
| // Continue if trailing characters is Unicode combining characters. |
| ExpectPrevWordBreakForCache(0, "| U+4E00 U+0332 U+4E00"); |
| ExpectPrevWordBreakForCache(1, "| U+4E00 U+0332 U+4E00"); |
| ExpectPrevWordBreakForCache(2, "| U+4E00 U+0332 U+4E00"); |
| ExpectPrevWordBreakForCache(3, "U+4E00 U+0332 | U+4E00"); |
| ExpectPrevWordBreakForCache(1000, "U+4E00 U+0332 | U+4E00"); |
| |
| // Surrogate pairs. |
| ExpectPrevWordBreakForCache(0, "| U+1F60D U+1F618"); |
| ExpectPrevWordBreakForCache(1, "| U+1F60D U+1F618"); |
| ExpectPrevWordBreakForCache(2, "| U+1F60D U+1F618"); |
| ExpectPrevWordBreakForCache(3, "| U+1F60D U+1F618"); |
| ExpectPrevWordBreakForCache(4, "| U+1F60D U+1F618"); |
| ExpectPrevWordBreakForCache(1000, "| U+1F60D U+1F618"); |
| |
| // Broken surrogate pairs. |
| // U+D84D is leading surrogate but there is no trailing surrogate for it. |
| ExpectPrevWordBreakForCache(0, "| U+D84D U+1F618"); |
| ExpectPrevWordBreakForCache(1, "| U+D84D U+1F618"); |
| ExpectPrevWordBreakForCache(2, "| U+D84D U+1F618"); |
| ExpectPrevWordBreakForCache(3, "| U+D84D U+1F618"); |
| ExpectPrevWordBreakForCache(1000, "| U+D84D U+1F618"); |
| |
| ExpectPrevWordBreakForCache(0, "| U+1F618 U+D84D"); |
| ExpectPrevWordBreakForCache(1, "| U+1F618 U+D84D"); |
| ExpectPrevWordBreakForCache(2, "| U+1F618 U+D84D"); |
| ExpectPrevWordBreakForCache(3, "| U+1F618 U+D84D"); |
| ExpectPrevWordBreakForCache(1000, "| U+1F618 U+D84D"); |
| |
| // U+DE0D is trailing surrogate but there is no leading surrogate for it. |
| ExpectPrevWordBreakForCache(0, "| U+DE0D U+1F618"); |
| ExpectPrevWordBreakForCache(1, "| U+DE0D U+1F618"); |
| ExpectPrevWordBreakForCache(2, "| U+DE0D U+1F618"); |
| ExpectPrevWordBreakForCache(3, "| U+DE0D U+1F618"); |
| ExpectPrevWordBreakForCache(1000, "| U+DE0D U+1F618"); |
| |
| ExpectPrevWordBreakForCache(0, "| U+1F618 U+DE0D"); |
| ExpectPrevWordBreakForCache(1, "| U+1F618 U+DE0D"); |
| ExpectPrevWordBreakForCache(2, "| U+1F618 U+DE0D"); |
| ExpectPrevWordBreakForCache(3, "| U+1F618 U+DE0D"); |
| ExpectPrevWordBreakForCache(1000, "| U+1F618 U+DE0D"); |
| |
| // Regional indicator pair. U+1F1FA U+1F1F8 is US national flag. |
| ExpectPrevWordBreakForCache(0, "| U+1F1FA U+1F1F8"); |
| ExpectPrevWordBreakForCache(1, "| U+1F1FA U+1F1F8"); |
| ExpectPrevWordBreakForCache(2, "| U+1F1FA U+1F1F8"); |
| ExpectPrevWordBreakForCache(1000, "| U+1F1FA U+1F1F8"); |
| |
| // Tone marks. |
| // CJK ideographic char + Tone mark + CJK ideographic char |
| ExpectPrevWordBreakForCache(0, "| U+4444 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(1, "| U+4444 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(2, "| U+4444 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(3, "U+4444 U+302D | U+4444"); |
| ExpectPrevWordBreakForCache(1000, "U+4444 U+302D | U+4444"); |
| |
| // Variation Selectors. |
| // CJK Ideographic char + Variation Selector(VS1) + CJK Ideographic char |
| ExpectPrevWordBreakForCache(0, "| U+845B U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(1, "| U+845B U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(2, "| U+845B U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(3, "U+845B U+FE00 | U+845B"); |
| ExpectPrevWordBreakForCache(1000, "U+845B U+FE00 | U+845B"); |
| |
| // CJK Ideographic char + Variation Selector(VS17) + CJK Ideographic char |
| ExpectPrevWordBreakForCache(0, "| U+845B U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(1, "| U+845B U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(2, "| U+845B U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(3, "| U+845B U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(4, "U+845B U+E0100 | U+845B"); |
| ExpectPrevWordBreakForCache(5, "U+845B U+E0100 | U+845B"); |
| ExpectPrevWordBreakForCache(1000, "U+845B U+E0100 | U+845B"); |
| |
| // CJK ideographic char + Tone mark + Variation Character(VS1) |
| ExpectPrevWordBreakForCache(0, "| U+4444 U+302D U+FE00 U+4444"); |
| ExpectPrevWordBreakForCache(1, "| U+4444 U+302D U+FE00 U+4444"); |
| ExpectPrevWordBreakForCache(2, "| U+4444 U+302D U+FE00 U+4444"); |
| ExpectPrevWordBreakForCache(3, "| U+4444 U+302D U+FE00 U+4444"); |
| ExpectPrevWordBreakForCache(4, "U+4444 U+302D U+FE00 | U+4444"); |
| ExpectPrevWordBreakForCache(1000, "U+4444 U+302D U+FE00 | U+4444"); |
| |
| // CJK ideographic char + Tone mark + Variation Character(VS17) |
| ExpectPrevWordBreakForCache(0, "| U+4444 U+302D U+E0100 U+4444"); |
| ExpectPrevWordBreakForCache(1, "| U+4444 U+302D U+E0100 U+4444"); |
| ExpectPrevWordBreakForCache(2, "| U+4444 U+302D U+E0100 U+4444"); |
| ExpectPrevWordBreakForCache(3, "| U+4444 U+302D U+E0100 U+4444"); |
| ExpectPrevWordBreakForCache(4, "| U+4444 U+302D U+E0100 U+4444"); |
| ExpectPrevWordBreakForCache(5, "U+4444 U+302D U+E0100 | U+4444"); |
| ExpectPrevWordBreakForCache(1000, "U+4444 U+302D U+E0100 | U+4444"); |
| |
| // CJK ideographic char + Variation Character(VS1) + Tone mark |
| ExpectPrevWordBreakForCache(0, "| U+4444 U+FE00 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(1, "| U+4444 U+FE00 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(2, "| U+4444 U+FE00 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(3, "| U+4444 U+FE00 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(4, "U+4444 U+FE00 U+302D | U+4444"); |
| ExpectPrevWordBreakForCache(1000, "U+4444 U+FE00 U+302D | U+4444"); |
| |
| // CJK ideographic char + Variation Character(VS17) + Tone mark |
| ExpectPrevWordBreakForCache(0, "| U+4444 U+E0100 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(1, "| U+4444 U+E0100 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(2, "| U+4444 U+E0100 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(3, "| U+4444 U+E0100 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(4, "| U+4444 U+E0100 U+302D U+4444"); |
| ExpectPrevWordBreakForCache(5, "U+4444 U+E0100 U+302D | U+4444"); |
| ExpectPrevWordBreakForCache(1000, "U+4444 U+E0100 U+302D | U+4444"); |
| |
| // Following test cases are unusual usage of variation selectors and tone |
| // marks for caching up the further behavior changes, e.g. index of bounds |
| // or crashes. Please feel free to update the test expectations if the |
| // behavior change makes sense to you. |
| |
| // Isolated Tone marks and Variation Selectors |
| ExpectPrevWordBreakForCache(0, "| U+FE00"); |
| ExpectPrevWordBreakForCache(1, "| U+FE00"); |
| ExpectPrevWordBreakForCache(1000, "| U+FE00"); |
| ExpectPrevWordBreakForCache(0, "| U+E0100"); |
| ExpectPrevWordBreakForCache(1000, "| U+E0100"); |
| ExpectPrevWordBreakForCache(0, "| U+302D"); |
| ExpectPrevWordBreakForCache(1000, "| U+302D"); |
| |
| // CJK Ideographic char + Variation Selector(VS1) + Variation Selector(VS1) |
| ExpectPrevWordBreakForCache(0, "| U+845B U+FE00 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(1, "| U+845B U+FE00 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(2, "| U+845B U+FE00 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(3, "| U+845B U+FE00 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(4, "U+845B U+FE00 U+FE00 | U+845B"); |
| ExpectPrevWordBreakForCache(1000, "U+845B U+FE00 U+FE00 | U+845B"); |
| |
| // CJK Ideographic char + Variation Selector(VS17) + Variation Selector(VS17) |
| ExpectPrevWordBreakForCache(0, "| U+845B U+E0100 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(1, "| U+845B U+E0100 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(2, "| U+845B U+E0100 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(3, "| U+845B U+E0100 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(4, "| U+845B U+E0100 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(5, "| U+845B U+E0100 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(6, "U+845B U+E0100 U+E0100 | U+845B"); |
| ExpectPrevWordBreakForCache(1000, "U+845B U+E0100 U+E0100 | U+845B"); |
| |
| // CJK Ideographic char + Variation Selector(VS1) + Variation Selector(VS17) |
| ExpectPrevWordBreakForCache(0, "| U+845B U+FE00 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(1, "| U+845B U+FE00 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(2, "| U+845B U+FE00 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(3, "| U+845B U+FE00 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(4, "| U+845B U+FE00 U+E0100 U+845B"); |
| ExpectPrevWordBreakForCache(5, "U+845B U+FE00 U+E0100 | U+845B"); |
| ExpectPrevWordBreakForCache(1000, "U+845B U+FE00 U+E0100 | U+845B"); |
| |
| // CJK Ideographic char + Variation Selector(VS17) + Variation Selector(VS1) |
| ExpectPrevWordBreakForCache(0, "| U+845B U+E0100 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(1, "| U+845B U+E0100 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(2, "| U+845B U+E0100 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(3, "| U+845B U+E0100 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(4, "| U+845B U+E0100 U+FE00 U+845B"); |
| ExpectPrevWordBreakForCache(5, "U+845B U+E0100 U+FE00 | U+845B"); |
| ExpectPrevWordBreakForCache(1000, "U+845B U+E0100 U+FE00 | U+845B"); |
| |
| // Tone mark. + Tone mark |
| ExpectPrevWordBreakForCache(0, "| U+4444 U+302D U+302D U+4444"); |
| ExpectPrevWordBreakForCache(1, "| U+4444 U+302D U+302D U+4444"); |
| ExpectPrevWordBreakForCache(2, "| U+4444 U+302D U+302D U+4444"); |
| ExpectPrevWordBreakForCache(3, "| U+4444 U+302D U+302D U+4444"); |
| ExpectPrevWordBreakForCache(4, "U+4444 U+302D U+302D | U+4444"); |
| ExpectPrevWordBreakForCache(1000, "U+4444 U+302D U+302D | U+4444"); |
| } |
| |
| } // namespace minikin |
