'use strict'; const common = require('../common'); const assert = require('assert'); function doSetTimeout(callback, after) { return function() { setTimeout(callback, after); }; } const errMessage = common.expectsError({ code: 'ERR_INVALID_CALLBACK', type: TypeError }, 18); assert.throws(doSetTimeout('foo'), errMessage); assert.throws(doSetTimeout({ foo: 'bar' }), errMessage); assert.throws(doSetTimeout(), errMessage); assert.throws(doSetTimeout(undefined, 0), errMessage); assert.throws(doSetTimeout(null, 0), errMessage); assert.throws(doSetTimeout(false, 0), errMessage); function doSetInterval(callback, after) { return function() { setInterval(callback, after); }; } assert.throws(doSetInterval('foo'), errMessage); assert.throws(doSetInterval({ foo: 'bar' }), errMessage); assert.throws(doSetInterval(), errMessage); assert.throws(doSetInterval(undefined, 0), errMessage); assert.throws(doSetInterval(null, 0), errMessage); assert.throws(doSetInterval(false, 0), errMessage); function doSetImmediate(callback, after) { return function() { setImmediate(callback, after); }; } assert.throws(doSetImmediate('foo'), errMessage); assert.throws(doSetImmediate({ foo: 'bar' }), errMessage); assert.throws(doSetImmediate(), errMessage); assert.throws(doSetImmediate(undefined, 0), errMessage); assert.throws(doSetImmediate(null, 0), errMessage); assert.throws(doSetImmediate(false, 0), errMessage);