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Merged
AbdelrahmanBayoumi merged 1 commit into from
Oct 18, 2026
Merged

test: ensure deterministic tashfeer coverage and setCharAt boundary c… #37

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11 changes: 11 additions & 0 deletions tests/edge-cases.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ import {
tashfeerBannedWords,
wordToLetters,
removeArabicAffixes,
setCharAt,
} from '../src';

describe('Arabic NLP Edge Cases & Robustness', () => {
Expand Down Expand Up @@ -45,6 +46,10 @@ describe('Arabic NLP Edge Cases & Robustness', () => {
expect(res).toContain('موظف');
expect(res).toContain('عمل');
});

it('should return original string when index is out of bounds in setCharAt', () => {
expect(setCharAt('كتاب', 10, 'ـ')).toBe('كتاب');
});
});

describe('Mixed Scripts & Special Characters Preservation', () => {
Expand Down Expand Up @@ -101,6 +106,12 @@ describe('Arabic NLP Edge Cases & Robustness', () => {
});

it('should handle Tashfeer with Alef, Waw, and Yaa variants', () => {
['أ', 'ؤ', 'ئ'].forEach((char) => {
const singleCharResult = tashfeer(char, 1);
expect(singleCharResult).toBeDefined();
expect(singleCharResult.length).toBeGreaterThan(0);
});

const sentence = 'وفي النفس حاجات إذا لم يقل بها فؤادي كفاني أن دمعي قائل';
const result = tashfeer(sentence, 2);
expect(result).toBeDefined();
Expand Down
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