'use strict';

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

const assert = require('assert');

let returns = 0;

/*

Spawns 'pwd' with given options, then test

- whether the exit code equals forCode,

- optionally whether the stdout result matches forData

(after removing trailing whitespace)

*/

function testCwd(options, forCode, forData) {

let data = '';

const child = common.spawnPwd(options);

child.stdout.setEncoding('utf8');

child.stdout.on('data', function(chunk) {

data += chunk;

});

child.on('exit', function(code, signal) {

assert.strictEqual(forCode, code);

});

child.on('close', function() {

forData && assert.strictEqual(forData, data.replace(/[\s\r\n]+$/, ''));

returns--;

});

returns++;

return child;

}

// Assume these exist, and 'pwd' gives us the right directory back

testCwd({cwd: common.rootDir}, 0, common.rootDir);

if (common.isWindows) {

testCwd({cwd: process.env.windir}, 0, process.env.windir);

} else {

testCwd({cwd: '/dev'}, 0, '/dev');

}

// Assume does-not-exist doesn't exist, expect exitCode=-1 and errno=ENOENT

{

testCwd({cwd: 'does-not-exist'}, -1).on('error', common.mustCall(function(e) {

assert.strictEqual(e.code, 'ENOENT');

}));

}

// Spawn() shouldn't try to chdir() so this should just work

testCwd(undefined, 0);

testCwd({}, 0);

testCwd({cwd: ''}, 0);

testCwd({cwd: undefined}, 0);

testCwd({cwd: null}, 0);

// Check whether all tests actually returned

assert.notStrictEqual(returns, 0);

process.on('exit', function() {

assert.strictEqual(returns, 0);

});