node/test/parallel/test-assert-fail.js at main · fetchapi/node · GitHub

44 lines (39 loc) · 892 Bytes

'use strict';

const common = require('../common');

const assert = require('assert');

// No args

assert.throws(

() => { assert.fail(); },

{

code: 'ERR_ASSERTION',

message: 'Failed',

operator: 'fail',

actual: undefined,

expected: undefined,

generatedMessage: true,

stack: /Failed/

}

);

// One arg = message

assert.throws(() => {

assert.fail('custom message');

}, {

code: 'ERR_ASSERTION',

message: 'custom message',

operator: 'fail',

actual: undefined,

expected: undefined,

generatedMessage: false

});

// One arg = Error

assert.throws(() => {

assert.fail(new TypeError('custom message'));

}, {

message: 'custom message'

});

Object.prototype.get = common.mustNotCall();

assert.throws(() => assert.fail(''), { code: 'ERR_ASSERTION' });

delete Object.prototype.get;

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