node/test/parallel/test-process-env-sideeffects.js
Anna Henningsen abe82110b7 process: mark process.env as side-effect-free
Read-only access to `process.env` does not have side effects.

Refs: https://github.com/nodejs/node/pull/27523

PR-URL: https://github.com/nodejs/node/pull/27684
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Aleksei Koziatinskii <ak239spb@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
2019-05-18 11:08:47 +08:00

25 lines
591 B
JavaScript

'use strict';
const common = require('../common');
common.skipIfInspectorDisabled();
// Test that read-only process.env access is considered to have no
// side-effects by the inspector.
const assert = require('assert');
const inspector = require('inspector');
const session = new inspector.Session();
session.connect();
process.env.TESTVAR = 'foobar';
session.post('Runtime.evaluate', {
expression: 'process.env.TESTVAR',
throwOnSideEffect: true
}, (error, res) => {
assert.ifError(error);
assert.deepStrictEqual(res, {
result: { type: 'string', value: 'foobar' }
});
});