| 1 |
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| 2 | const assert = require('assert');
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| 3 | const { isNumber } = require('../types');
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| 4 |
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| 5 | describe('Types', function() {
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| 6 | describe('#isNumber()', function() {
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| 7 | it('should return false for undefined types', function() {
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| 8 | assert.strictEqual(isNumber(), false);
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| 9 | assert.strictEqual(isNumber(null), false);
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| 10 | assert.strictEqual(isNumber(undefined), false);
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| 11 | });
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| 12 | it('should return true for any kind of number', function() {
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| 13 | assert.strictEqual(isNumber('1'), true);
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| 14 | assert.strictEqual(isNumber(4), true);
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| 15 | assert.strictEqual(isNumber('1.65'), true);
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| 16 | assert.strictEqual(isNumber('0b0001'), true);
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| 17 | });
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| 18 | it('should return false for any kind of string', function() {
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| 19 | assert.strictEqual(isNumber('1x'), false);
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| 20 | assert.strictEqual(isNumber('x11'), false);
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| 21 | });
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| 22 | });
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| 23 | });
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