renjue
f1502ed08c
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Co-authored-by: Cursor <cursoragent@cursor.com>
20 lines
587 B
JavaScript
20 lines
587 B
JavaScript
import { describe, it, expect } from 'vitest'
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import { countLines } from '../../src/composables/useLineNumberEditor.js'
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describe('useLineNumberEditor.countLines', () => {
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it('returns 1 for empty or whitespace-only text', () => {
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expect(countLines('')).toBe(1)
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expect(countLines(null)).toBe(1)
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expect(countLines(undefined)).toBe(1)
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})
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it('counts single line without trailing newline', () => {
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expect(countLines('hello')).toBe(1)
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})
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it('counts multiple lines', () => {
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expect(countLines('a\nb\nc')).toBe(3)
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expect(countLines('a\nb\n')).toBe(3)
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})
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})
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