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