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16 lines
479 B
TypeScript
16 lines
479 B
TypeScript
import assert from 'node:assert';
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import subtract from '../src/subtract';
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describe('subtract', () => {
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it('should subtract two numbers', () => {
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assert.strictEqual(subtract(6, 4), 2);
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assert.strictEqual(subtract(-6, 4), -10);
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assert.strictEqual(subtract(-6, -4), -2);
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});
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it('should coerce arguments to numbers', () => {
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assert.strictEqual(subtract('6', '4'), 2);
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assert.deepStrictEqual(subtract('x', 'y'), NaN);
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});
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});
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