mirror of https://gitee.com/openkylin/nodejs.git
34 lines
887 B
JavaScript
34 lines
887 B
JavaScript
|
'use strict';
|
||
|
|
const common = require('../common');
|
||
|
|
const cp = require('child_process');
|
||
|
|
const assert = require('assert');
|
||
|
|
|
||
|
|
// Windows' `echo` command is a built-in shell command and not an external
|
||
|
|
// executable like on *nix
|
||
|
|
const opts = { shell: common.isWindows };
|
||
|
|
|
||
|
|
const p = cp.spawn('echo', [], opts);
|
||
|
|
|
||
|
|
p.on('close', common.mustCall((code, signal) => {
|
||
|
|
assert.strictEqual(code, 0);
|
||
|
|
assert.strictEqual(signal, null);
|
||
|
|
spawnWithReadable();
|
||
|
|
}));
|
||
|
|
|
||
|
|
p.stdout.read();
|
||
|
|
|
||
|
|
const spawnWithReadable = () => {
|
||
|
|
const buffer = [];
|
||
|
|
const p = cp.spawn('echo', ['123'], opts);
|
||
|
|
p.on('close', common.mustCall((code, signal) => {
|
||
|
|
assert.strictEqual(code, 0);
|
||
|
|
assert.strictEqual(signal, null);
|
||
|
|
assert.strictEqual(Buffer.concat(buffer).toString().trim(), '123');
|
||
|
|
}));
|
||
|
|
p.stdout.on('readable', () => {
|
||
|
|
let buf;
|
||
|
|
while (buf = p.stdout.read())
|
||
|
|
buffer.push(buf);
|
||
|
|
});
|
||
|
|
};
|