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* chore: format code
* Updated Documentation in README.md
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Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
22 lines
718 B
JavaScript
22 lines
718 B
JavaScript
import { evaluatePostfixExpression } from '../EvaluateExpression.js'
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describe('evaluatePostfixExpression', () => {
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it('should evaluate a valid expression', () => {
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const expression = '3 4 * 2 / 5 +' // (3 * 4) / 2 + 5 = 11
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const result = evaluatePostfixExpression(expression)
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expect(result).toBe(11)
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})
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it('should handle division by zero', () => {
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const expression = '3 0 /' // Division by zero
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const result = evaluatePostfixExpression(expression)
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expect(result).toBe(null)
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})
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it('should handle an invalid expression', () => {
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const expression = '3 * 4 2 / +' // Invalid expression
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const result = evaluatePostfixExpression(expression)
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expect(result).toBe(null)
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})
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})
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