'use strict'; const common = require('../common'); const assert = require('assert'); // Flags: --pending-deprecation common.expectWarning( 'DeprecationWarning', 'Assigning any value other than a string, number, or boolean to a ' + 'process.env property is deprecated. Please make sure to convert the value ' + 'to a string before setting process.env with it.', 'DEP0104' ); process.env.ABC = undefined; assert.strictEqual(process.env.ABC, 'undefined');