Switch to vitest for ESM support; other fixes

1 files changed, 905 insertions, 0 deletions

diff --git a/test/japanese-util.test.js b/test/japanese-util.test.js
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+++ b/test/japanese-util.test.js
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+/*
+ * Copyright (C) 2023  Yomitan Authors
+ * Copyright (C) 2020-2022  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {expect, test} from 'vitest';
+import {TextSourceMap} from '../ext/js/general/text-source-map.js';
+import {JapaneseUtil} from '../ext/js/language/sandbox/japanese-util.js';
+import * as wanakana from '../ext/lib/wanakana.js';
+
+const jp = new JapaneseUtil(wanakana);
+
+function testIsCodePointKanji() {
+    test('isCodePointKanji', () => {
+        const data = [
+            ['力方', true],
+            ['\u53f1\u{20b9f}', true],
+            ['かたカタ々kata、。？,.?', false],
+            ['逸逸', true]
+        ];
+
+        for (const [characters, expected] of data) {
+            for (const character of characters) {
+                const codePoint = character.codePointAt(0);
+                const actual = jp.isCodePointKanji(codePoint);
+                expect(actual).toStrictEqual(expected); // `isCodePointKanji failed for ${character} (\\u{${codePoint.toString(16)}})`
+            }
+        }
+    });
+}
+
+function testIsCodePointKana() {
+    test('isCodePointKana', () => {
+        const data = [
+            ['かたカタ', true],
+            ['力方々kata、。？,.?', false],
+            ['\u53f1\u{20b9f}', false]
+        ];
+
+        for (const [characters, expected] of data) {
+            for (const character of characters) {
+                const codePoint = character.codePointAt(0);
+                const actual = jp.isCodePointKana(codePoint);
+                expect(actual).toStrictEqual(expected); // `isCodePointKana failed for ${character} (\\u{${codePoint.toString(16)}})`
+            }
+        }
+    });
+}
+
+function testIsCodePointJapanese() {
+    test('isCodePointJapanese', () => {
+        const data = [
+            ['かたカタ力方々、。？', true],
+            ['\u53f1\u{20b9f}', true],
+            ['kata,.?', false],
+            ['逸逸', true]
+        ];
+
+        for (const [characters, expected] of data) {
+            for (const character of characters) {
+                const codePoint = character.codePointAt(0);
+                const actual = jp.isCodePointJapanese(codePoint);
+                expect(actual).toStrictEqual(expected); // `isCodePointJapanese failed for ${character} (\\u{${codePoint.toString(16)}})`
+            }
+        }
+    });
+}
+
+function testIsStringEntirelyKana() {
+    test('isStringEntirelyKana', () => {
+        const data = [
+            ['かたかな', true],
+            ['カタカナ', true],
+            ['ひらがな', true],
+            ['ヒラガナ', true],
+            ['カタカナひらがな', true],
+            ['かたカタ力方々、。？', false],
+            ['\u53f1\u{20b9f}', false],
+            ['kata,.?', false],
+            ['かたカタ力方々、。？invalid', false],
+            ['\u53f1\u{20b9f}invalid', false],
+            ['kata,.?かた', false]
+        ];
+
+        for (const [string, expected] of data) {
+            expect(jp.isStringEntirelyKana(string)).toStrictEqual(expected);
+        }
+    });
+}
+
+function testIsStringPartiallyJapanese() {
+    test('isStringPartiallyJapanese', () => {
+        const data = [
+            ['かたかな', true],
+            ['カタカナ', true],
+            ['ひらがな', true],
+            ['ヒラガナ', true],
+            ['カタカナひらがな', true],
+            ['かたカタ力方々、。？', true],
+            ['\u53f1\u{20b9f}', true],
+            ['kata,.?', false],
+            ['かたカタ力方々、。？invalid', true],
+            ['\u53f1\u{20b9f}invalid', true],
+            ['kata,.?かた', true],
+            ['逸逸', true]
+        ];
+
+        for (const [string, expected] of data) {
+            expect(jp.isStringPartiallyJapanese(string)).toStrictEqual(expected);
+        }
+    });
+}
+
+function testConvertKatakanaToHiragana() {
+    test('convertKatakanaToHiragana', () => {
+        const data = [
+            ['かたかな', 'かたかな'],
+            ['ひらがな', 'ひらがな'],
+            ['カタカナ', 'かたかな'],
+            ['ヒラガナ', 'ひらがな'],
+            ['カタカナかたかな', 'かたかなかたかな'],
+            ['ヒラガナひらがな', 'ひらがなひらがな'],
+            ['chikaraちからチカラ力', 'chikaraちからちから力'],
+            ['katakana', 'katakana'],
+            ['hiragana', 'hiragana'],
+            ['カーナー', 'かあなあ'],
+            ['カーナー', 'かーなー', true]
+        ];
+
+        for (const [string, expected, keepProlongedSoundMarks=false] of data) {
+            expect(jp.convertKatakanaToHiragana(string, keepProlongedSoundMarks)).toStrictEqual(expected);
+        }
+    });
+}
+
+function testConvertHiraganaToKatakana() {
+    test('ConvertHiraganaToKatakana', () => {
+        const data = [
+            ['かたかな', 'カタカナ'],
+            ['ひらがな', 'ヒラガナ'],
+            ['カタカナ', 'カタカナ'],
+            ['ヒラガナ', 'ヒラガナ'],
+            ['カタカナかたかな', 'カタカナカタカナ'],
+            ['ヒラガナひらがな', 'ヒラガナヒラガナ'],
+            ['chikaraちからチカラ力', 'chikaraチカラチカラ力'],
+            ['katakana', 'katakana'],
+            ['hiragana', 'hiragana']
+        ];
+
+        for (const [string, expected] of data) {
+            expect(jp.convertHiraganaToKatakana(string)).toStrictEqual(expected);
+        }
+    });
+}
+
+function testConvertToRomaji() {
+    test('ConvertToRomaji', () => {
+        const data = [
+            ['かたかな', 'katakana'],
+            ['ひらがな', 'hiragana'],
+            ['カタカナ', 'katakana'],
+            ['ヒラガナ', 'hiragana'],
+            ['カタカナかたかな', 'katakanakatakana'],
+            ['ヒラガナひらがな', 'hiraganahiragana'],
+            ['chikaraちからチカラ力', 'chikarachikarachikara力'],
+            ['katakana', 'katakana'],
+            ['hiragana', 'hiragana']
+        ];
+
+        for (const [string, expected] of data) {
+            expect(jp.convertToRomaji(string)).toStrictEqual(expected);
+        }
+    });
+}
+
+function testConvertNumericToFullWidth() {
+    test('ConvertNumericToFullWidth', () => {
+        const data = [
+            ['0123456789', '０１２３４５６７８９'],
+            ['abcdefghij', 'abcdefghij'],
+            ['カタカナ', 'カタカナ'],
+            ['ひらがな', 'ひらがな']
+        ];
+
+        for (const [string, expected] of data) {
+            expect(jp.convertNumericToFullWidth(string)).toStrictEqual(expected);
+        }
+    });
+}
+
+function testConvertHalfWidthKanaToFullWidth() {
+    test('ConvertHalfWidthKanaToFullWidth', () => {
+        const data = [
+            ['0123456789', '0123456789'],
+            ['abcdefghij', 'abcdefghij'],
+            ['カタカナ', 'カタカナ'],
+            ['ひらがな', 'ひらがな'],
+            ['ｶｷ', 'カキ', [1, 1]],
+            ['ｶﾞｷ', 'ガキ', [2, 1]],
+            ['ﾆﾎﾝ', 'ニホン', [1, 1, 1]],
+            ['ﾆｯﾎﾟﾝ', 'ニッポン', [1, 1, 2, 1]]
+        ];
+
+        for (const [string, expected, expectedSourceMapping] of data) {
+            const sourceMap = new TextSourceMap(string);
+            const actual1 = jp.convertHalfWidthKanaToFullWidth(string, null);
+            const actual2 = jp.convertHalfWidthKanaToFullWidth(string, sourceMap);
+            expect(actual1).toStrictEqual(expected);
+            expect(actual2).toStrictEqual(expected);
+            if (typeof expectedSourceMapping !== 'undefined') {
+                expect(sourceMap.equals(new TextSourceMap(string, expectedSourceMapping))).toBe(true);
+            }
+        }
+    });
+}
+
+function testConvertAlphabeticToKana() {
+    test('ConvertAlphabeticToKana', () => {
+        const data = [
+            ['0123456789', '0123456789'],
+            ['abcdefghij', 'あbcでfgひj', [1, 1, 1, 2, 1, 1, 2, 1]],
+            ['ABCDEFGHIJ', 'あbcでfgひj', [1, 1, 1, 2, 1, 1, 2, 1]], // wanakana.toHiragana converts text to lower case
+            ['カタカナ', 'カタカナ'],
+            ['ひらがな', 'ひらがな'],
+            ['chikara', 'ちから', [3, 2, 2]],
+            ['CHIKARA', 'ちから', [3, 2, 2]]
+        ];
+
+        for (const [string, expected, expectedSourceMapping] of data) {
+            const sourceMap = new TextSourceMap(string);
+            const actual1 = jp.convertAlphabeticToKana(string, null);
+            const actual2 = jp.convertAlphabeticToKana(string, sourceMap);
+            expect(actual1).toStrictEqual(expected);
+            expect(actual2).toStrictEqual(expected);
+            if (typeof expectedSourceMapping !== 'undefined') {
+                expect(sourceMap.equals(new TextSourceMap(string, expectedSourceMapping))).toBe(true);
+            }
+        }
+    });
+}
+
+function testDistributeFurigana() {
+    test('DistributeFurigana', () => {
+        const data = [
+            [
+                ['有り難う', 'ありがとう'],
+                [
+                    {text: '有', reading: 'あ'},
+                    {text: 'り', reading: ''},
+                    {text: '難', reading: 'がと'},
+                    {text: 'う', reading: ''}
+                ]
+            ],
+            [
+                ['方々', 'かたがた'],
+                [
+                    {text: '方々', reading: 'かたがた'}
+                ]
+            ],
+            [
+                ['お祝い', 'おいわい'],
+                [
+                    {text: 'お', reading: ''},
+                    {text: '祝', reading: 'いわ'},
+                    {text: 'い', reading: ''}
+                ]
+            ],
+            [
+                ['美味しい', 'おいしい'],
+                [
+                    {text: '美味', reading: 'おい'},
+                    {text: 'しい', reading: ''}
+                ]
+            ],
+            [
+                ['食べ物', 'たべもの'],
+                [
+                    {text: '食', reading: 'た'},
+                    {text: 'べ', reading: ''},
+                    {text: '物', reading: 'もの'}
+                ]
+            ],
+            [
+                ['試し切り', 'ためしぎり'],
+                [
+                    {text: '試', reading: 'ため'},
+                    {text: 'し', reading: ''},
+                    {text: '切', reading: 'ぎ'},
+                    {text: 'り', reading: ''}
+                ]
+            ],
+            // Ambiguous
+            [
+                ['飼い犬', 'かいいぬ'],
+                [
+                    {text: '飼い犬', reading: 'かいいぬ'}
+                ]
+            ],
+            [
+                ['長い間', 'ながいあいだ'],
+                [
+                    {text: '長い間', reading: 'ながいあいだ'}
+                ]
+            ],
+            // Same/empty reading
+            [
+                ['飼い犬', ''],
+                [
+                    {text: '飼い犬', reading: ''}
+                ]
+            ],
+            [
+                ['かいいぬ', 'かいいぬ'],
+                [
+                    {text: 'かいいぬ', reading: ''}
+                ]
+            ],
+            [
+                ['かいぬ', 'かいぬ'],
+                [
+                    {text: 'かいぬ', reading: ''}
+                ]
+            ],
+            // Misc
+            [
+                ['月', 'か'],
+                [
+                    {text: '月', reading: 'か'}
+                ]
+            ],
+            [
+                ['月', 'カ'],
+                [
+                    {text: '月', reading: 'カ'}
+                ]
+            ],
+            // Mismatched kana readings
+            [
+                ['有り難う', 'アリガトウ'],
+                [
+                    {text: '有', reading: 'ア'},
+                    {text: 'り', reading: 'リ'},
+                    {text: '難', reading: 'ガト'},
+                    {text: 'う', reading: 'ウ'}
+                ]
+            ],
+            [
+                ['ありがとう', 'アリガトウ'],
+                [
+                    {text: 'ありがとう', reading: 'アリガトウ'}
+                ]
+            ],
+            // Mismatched kana readings (real examples)
+            [
+                ['カ月', 'かげつ'],
+                [
+                    {text: 'カ', reading: 'か'},
+                    {text: '月', reading: 'げつ'}
+                ]
+            ],
+            [
+                ['序ノ口', 'じょのくち'],
+                [
+                    {text: '序', reading: 'じょ'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '口', reading: 'くち'}
+                ]
+            ],
+            [
+                ['スズメの涙', 'すずめのなみだ'],
+                [
+                    {text: 'スズメ', reading: 'すずめ'},
+                    {text: 'の', reading: ''},
+                    {text: '涙', reading: 'なみだ'}
+                ]
+            ],
+            [
+                ['二カ所', 'にかしょ'],
+                [
+                    {text: '二', reading: 'に'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '所', reading: 'しょ'}
+                ]
+            ],
+            [
+                ['八ツ橋', 'やつはし'],
+                [
+                    {text: '八', reading: 'や'},
+                    {text: 'ツ', reading: 'つ'},
+                    {text: '橋', reading: 'はし'}
+                ]
+            ],
+            [
+                ['八ツ橋', 'やつはし'],
+                [
+                    {text: '八', reading: 'や'},
+                    {text: 'ツ', reading: 'つ'},
+                    {text: '橋', reading: 'はし'}
+                ]
+            ],
+            [
+                ['一カ月', 'いっかげつ'],
+                [
+                    {text: '一', reading: 'いっ'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '月', reading: 'げつ'}
+                ]
+            ],
+            [
+                ['一カ所', 'いっかしょ'],
+                [
+                    {text: '一', reading: 'いっ'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '所', reading: 'しょ'}
+                ]
+            ],
+            [
+                ['カ所', 'かしょ'],
+                [
+                    {text: 'カ', reading: 'か'},
+                    {text: '所', reading: 'しょ'}
+                ]
+            ],
+            [
+                ['数カ月', 'すうかげつ'],
+                [
+                    {text: '数', reading: 'すう'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '月', reading: 'げつ'}
+                ]
+            ],
+            [
+                ['くノ一', 'くのいち'],
+                [
+                    {text: 'く', reading: ''},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '一', reading: 'いち'}
+                ]
+            ],
+            [
+                ['くノ一', 'くのいち'],
+                [
+                    {text: 'く', reading: ''},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '一', reading: 'いち'}
+                ]
+            ],
+            [
+                ['数カ国', 'すうかこく'],
+                [
+                    {text: '数', reading: 'すう'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '国', reading: 'こく'}
+                ]
+            ],
+            [
+                ['数カ所', 'すうかしょ'],
+                [
+                    {text: '数', reading: 'すう'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '所', reading: 'しょ'}
+                ]
+            ],
+            [
+                ['壇ノ浦の戦い', 'だんのうらのたたかい'],
+                [
+                    {text: '壇', reading: 'だん'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '浦', reading: 'うら'},
+                    {text: 'の', reading: ''},
+                    {text: '戦', reading: 'たたか'},
+                    {text: 'い', reading: ''}
+                ]
+            ],
+            [
+                ['壇ノ浦の戦', 'だんのうらのたたかい'],
+                [
+                    {text: '壇', reading: 'だん'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '浦', reading: 'うら'},
+                    {text: 'の', reading: ''},
+                    {text: '戦', reading: 'たたかい'}
+                ]
+            ],
+            [
+                ['序ノ口格', 'じょのくちかく'],
+                [
+                    {text: '序', reading: 'じょ'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '口格', reading: 'くちかく'}
+                ]
+            ],
+            [
+                ['二カ国語', 'にかこくご'],
+                [
+                    {text: '二', reading: 'に'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '国語', reading: 'こくご'}
+                ]
+            ],
+            [
+                ['カ国', 'かこく'],
+                [
+                    {text: 'カ', reading: 'か'},
+                    {text: '国', reading: 'こく'}
+                ]
+            ],
+            [
+                ['カ国語', 'かこくご'],
+                [
+                    {text: 'カ', reading: 'か'},
+                    {text: '国語', reading: 'こくご'}
+                ]
+            ],
+            [
+                ['壇ノ浦の合戦', 'だんのうらのかっせん'],
+                [
+                    {text: '壇', reading: 'だん'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '浦', reading: 'うら'},
+                    {text: 'の', reading: ''},
+                    {text: '合戦', reading: 'かっせん'}
+                ]
+            ],
+            [
+                ['一タ偏', 'いちたへん'],
+                [
+                    {text: '一', reading: 'いち'},
+                    {text: 'タ', reading: 'た'},
+                    {text: '偏', reading: 'へん'}
+                ]
+            ],
+            [
+                ['ル又', 'るまた'],
+                [
+                    {text: 'ル', reading: 'る'},
+                    {text: '又', reading: 'また'}
+                ]
+            ],
+            [
+                ['ノ木偏', 'のぎへん'],
+                [
+                    {text: 'ノ', reading: 'の'},
+                    {text: '木偏', reading: 'ぎへん'}
+                ]
+            ],
+            [
+                ['一ノ貝', 'いちのかい'],
+                [
+                    {text: '一', reading: 'いち'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '貝', reading: 'かい'}
+                ]
+            ],
+            [
+                ['虎ノ門事件', 'とらのもんじけん'],
+                [
+                    {text: '虎', reading: 'とら'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '門事件', reading: 'もんじけん'}
+                ]
+            ],
+            [
+                ['教育ニ関スル勅語', 'きょういくにかんするちょくご'],
+                [
+                    {text: '教育', reading: 'きょういく'},
+                    {text: 'ニ', reading: 'に'},
+                    {text: '関', reading: 'かん'},
+                    {text: 'スル', reading: 'する'},
+                    {text: '勅語', reading: 'ちょくご'}
+                ]
+            ],
+            [
+                ['二カ年', 'にかねん'],
+                [
+                    {text: '二', reading: 'に'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['三カ年', 'さんかねん'],
+                [
+                    {text: '三', reading: 'さん'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['四カ年', 'よんかねん'],
+                [
+                    {text: '四', reading: 'よん'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['五カ年', 'ごかねん'],
+                [
+                    {text: '五', reading: 'ご'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['六カ年', 'ろっかねん'],
+                [
+                    {text: '六', reading: 'ろっ'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['七カ年', 'ななかねん'],
+                [
+                    {text: '七', reading: 'なな'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['八カ年', 'はちかねん'],
+                [
+                    {text: '八', reading: 'はち'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['九カ年', 'きゅうかねん'],
+                [
+                    {text: '九', reading: 'きゅう'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['十カ年', 'じゅうかねん'],
+                [
+                    {text: '十', reading: 'じゅう'},
+                    {text: 'カ', reading: 'か'},
+                    {text: '年', reading: 'ねん'}
+                ]
+            ],
+            [
+                ['鏡ノ間', 'かがみのま'],
+                [
+                    {text: '鏡', reading: 'かがみ'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '間', reading: 'ま'}
+                ]
+            ],
+            [
+                ['鏡ノ間', 'かがみのま'],
+                [
+                    {text: '鏡', reading: 'かがみ'},
+                    {text: 'ノ', reading: 'の'},
+                    {text: '間', reading: 'ま'}
+                ]
+            ],
+            [
+                ['ページ違反', 'ぺーじいはん'],
+                [
+                    {text: 'ペ', reading: 'ぺ'},
+                    {text: 'ー', reading: ''},
+                    {text: 'ジ', reading: 'じ'},
+                    {text: '違反', reading: 'いはん'}
+                ]
+            ],
+            // Mismatched kana
+            [
+                ['サボる', 'サボル'],
+                [
+                    {text: 'サボ', reading: ''},
+                    {text: 'る', reading: 'ル'}
+                ]
+            ],
+            // Reading starts with term, but has remainder characters
+            [
+                ['シック', 'シック・ビルしょうこうぐん'],
+                [
+                    {text: 'シック', reading: 'シック・ビルしょうこうぐん'}
+                ]
+            ],
+            // Kanji distribution tests
+            [
+                ['逸らす', 'そらす'],
+                [
+                    {text: '逸', reading: 'そ'},
+                    {text: 'らす', reading: ''}
+                ]
+            ],
+            [
+                ['逸らす', 'そらす'],
+                [
+                    {text: '逸', reading: 'そ'},
+                    {text: 'らす', reading: ''}
+                ]
+            ]
+        ];
+
+        for (const [[term, reading], expected] of data) {
+            const actual = jp.distributeFurigana(term, reading);
+            expect(actual).toStrictEqual(expected);
+        }
+    });
+}
+
+function testDistributeFuriganaInflected() {
+    test('DistributeFuriganaInflected', () => {
+        const data = [
+            [
+                ['美味しい', 'おいしい', '美味しかた'],
+                [
+                    {text: '美味', reading: 'おい'},
+                    {text: 'しかた', reading: ''}
+                ]
+            ],
+            [
+                ['食べる', 'たべる', '食べた'],
+                [
+                    {text: '食', reading: 'た'},
+                    {text: 'べた', reading: ''}
+                ]
+            ],
+            [
+                ['迄に', 'までに', 'までに'],
+                [
+                    {text: 'までに', reading: ''}
+                ]
+            ],
+            [
+                ['行う', 'おこなう', 'おこなわなかった'],
+                [
+                    {text: 'おこなわなかった', reading: ''}
+                ]
+            ],
+            [
+                ['いい', 'いい', 'イイ'],
+                [
+                    {text: 'イイ', reading: ''}
+                ]
+            ],
+            [
+                ['否か', 'いなか', '否カ'],
+                [
+                    {text: '否', reading: 'いな'},
+                    {text: 'カ', reading: 'か'}
+                ]
+            ]
+        ];
+
+        for (const [[term, reading, source], expected] of data) {
+            const actual = jp.distributeFuriganaInflected(term, reading, source);
+            expect(actual).toStrictEqual(expected);
+        }
+    });
+}
+
+function testCollapseEmphaticSequences() {
+    test('CollapseEmphaticSequences', () => {
+        const data = [
+            [['かこい', false], ['かこい', [1, 1, 1]]],
+            [['かこい', true], ['かこい', [1, 1, 1]]],
+            [['かっこい', false], ['かっこい', [1, 1, 1, 1]]],
+            [['かっこい', true], ['かこい', [2, 1, 1]]],
+            [['かっっこい', false], ['かっこい', [1, 2, 1, 1]]],
+            [['かっっこい', true], ['かこい', [3, 1, 1]]],
+            [['かっっっこい', false], ['かっこい', [1, 3, 1, 1]]],
+            [['かっっっこい', true], ['かこい', [4, 1, 1]]],
+
+            [['こい', false], ['こい', [1, 1]]],
+            [['こい', true], ['こい', [1, 1]]],
+            [['っこい', false], ['っこい', [1, 1, 1]]],
+            [['っこい', true], ['こい', [2, 1]]],
+            [['っっこい', false], ['っこい', [2, 1, 1]]],
+            [['っっこい', true], ['こい', [3, 1]]],
+            [['っっっこい', false], ['っこい', [3, 1, 1]]],
+            [['っっっこい', true], ['こい', [4, 1]]],
+
+            [['すごい', false], ['すごい', [1, 1, 1]]],
+            [['すごい', true], ['すごい', [1, 1, 1]]],
+            [['すごーい', false], ['すごーい', [1, 1, 1, 1]]],
+            [['すごーい', true], ['すごい', [1, 2, 1]]],
+            [['すごーーい', false], ['すごーい', [1, 1, 2, 1]]],
+            [['すごーーい', true], ['すごい', [1, 3, 1]]],
+            [['すっごーい', false], ['すっごーい', [1, 1, 1, 1, 1]]],
+            [['すっごーい', true], ['すごい', [2, 2, 1]]],
+            [['すっっごーーい', false], ['すっごーい', [1, 2, 1, 2, 1]]],
+            [['すっっごーーい', true], ['すごい', [3, 3, 1]]],
+
+            [['', false], ['', []]],
+            [['', true], ['', []]],
+            [['っ', false], ['っ', [1]]],
+            [['っ', true], ['', [1]]],
+            [['っっ', false], ['っ', [2]]],
+            [['っっ', true], ['', [2]]],
+            [['っっっ', false], ['っ', [3]]],
+            [['っっっ', true], ['', [3]]]
+        ];
+
+        for (const [[text, fullCollapse], [expected, expectedSourceMapping]] of data) {
+            const sourceMap = new TextSourceMap(text);
+            const actual1 = jp.collapseEmphaticSequences(text, fullCollapse, null);
+            const actual2 = jp.collapseEmphaticSequences(text, fullCollapse, sourceMap);
+            expect(actual1).toStrictEqual(expected);
+            expect(actual2).toStrictEqual(expected);
+            if (typeof expectedSourceMapping !== 'undefined') {
+                expect(sourceMap.equals(new TextSourceMap(text, expectedSourceMapping))).toBe(true);
+            }
+        }
+    });
+}
+
+function testIsMoraPitchHigh() {
+    test('IsMoraPitchHigh', () => {
+        const data = [
+            [[0, 0], false],
+            [[1, 0], true],
+            [[2, 0], true],
+            [[3, 0], true],
+
+            [[0, 1], true],
+            [[1, 1], false],
+            [[2, 1], false],
+            [[3, 1], false],
+
+            [[0, 2], false],
+            [[1, 2], true],
+            [[2, 2], false],
+            [[3, 2], false],
+
+            [[0, 3], false],
+            [[1, 3], true],
+            [[2, 3], true],
+            [[3, 3], false],
+
+            [[0, 4], false],
+            [[1, 4], true],
+            [[2, 4], true],
+            [[3, 4], true]
+        ];
+
+        for (const [[moraIndex, pitchAccentDownstepPosition], expected] of data) {
+            const actual = jp.isMoraPitchHigh(moraIndex, pitchAccentDownstepPosition);
+            expect(actual).toStrictEqual(expected);
+        }
+    });
+}
+
+function testGetKanaMorae() {
+    test('GetKanaMorae', () => {
+        const data = [
+            ['かこ', ['か', 'こ']],
+            ['かっこ', ['か', 'っ', 'こ']],
+            ['カコ', ['カ', 'コ']],
+            ['カッコ', ['カ', 'ッ', 'コ']],
+            ['コート', ['コ', 'ー', 'ト']],
+            ['ちゃんと', ['ちゃ', 'ん', 'と']],
+            ['とうきょう', ['と', 'う', 'きょ', 'う']],
+            ['ぎゅう', ['ぎゅ', 'う']],
+            ['ディスコ', ['ディ', 'ス', 'コ']]
+        ];
+
+        for (const [text, expected] of data) {
+            const actual = jp.getKanaMorae(text);
+            expect(actual).toStrictEqual(expected);
+        }
+    });
+}
+
+
+function main() {
+    testIsCodePointKanji();
+    testIsCodePointKana();
+    testIsCodePointJapanese();
+    testIsStringEntirelyKana();
+    testIsStringPartiallyJapanese();
+    testConvertKatakanaToHiragana();
+    testConvertHiraganaToKatakana();
+    testConvertToRomaji();
+    testConvertNumericToFullWidth();
+    testConvertHalfWidthKanaToFullWidth();
+    testConvertAlphabeticToKana();
+    testDistributeFurigana();
+    testDistributeFuriganaInflected();
+    testCollapseEmphaticSequences();
+    testIsMoraPitchHigh();
+    testGetKanaMorae();
+}
+
+main();