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'use strict';
const common = require('../common');
const assert = require('assert');
const { execFile } = require('child_process');
function checkFactory(streamName) {
return common.mustCall((err) => {
assert(err instanceof RangeError);
assert.strictEqual(err.message, `${streamName} maxBuffer length exceeded`);
assert.strictEqual(err.code, 'ERR_CHILD_PROCESS_STDIO_MAXBUFFER');
});
}
// default value
{
execFile(
process.execPath,
['-e', 'console.log("a".repeat(1024 * 1024))'],
checkFactory('stdout')
);
}
// default value
{
execFile(
process.execPath,
['-e', 'console.log("a".repeat(1024 * 1024 - 1))'],
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout.trim(), 'a'.repeat(1024 * 1024 - 1));
assert.strictEqual(stderr, '');
})
);
}
{
const options = { maxBuffer: Infinity };
execFile(
process.execPath,
['-e', 'console.log("hello world");'],
options,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout.trim(), 'hello world');
assert.strictEqual(stderr, '');
})
);
}
{
execFile('echo', ['hello world'], { maxBuffer: 5 }, checkFactory('stdout'));
}
const unicode = '中文测试'; // length = 4, byte length = 12
{
execFile(
process.execPath,
['-e', `console.log('${unicode}');`],
{ maxBuffer: 10 },
checkFactory('stdout'));
}
{
execFile(
process.execPath,
['-e', `console.error('${unicode}');`],
{ maxBuffer: 10 },
checkFactory('stderr')
);
}
{
const child = execFile(
process.execPath,
['-e', `console.log('${unicode}');`],
{ encoding: null, maxBuffer: 10 },
checkFactory('stdout')
);
child.stdout.setEncoding('utf-8');
}
{
const child = execFile(
process.execPath,
['-e', `console.error('${unicode}');`],
{ encoding: null, maxBuffer: 10 },
checkFactory('stderr')
);
child.stderr.setEncoding('utf-8');
}
|
