'use strict'; require('../common'); const assert = require('assert'); // This test makes sure clearing timers with // 'null' or no input does not throw error assert.doesNotThrow(() => clearInterval(null)); assert.doesNotThrow(() => clearInterval()); assert.doesNotThrow(() => clearTimeout(null)); assert.doesNotThrow(() => clearTimeout()); assert.doesNotThrow(() => clearImmediate(null)); assert.doesNotThrow(() => clearImmediate());