You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

54 lines
1.3 KiB

'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
common.refreshTmpDir();
const stream = fs.createWriteStream(common.tmpDir + '/out', {
highWaterMark: 10
});
const err = new Error('BAM');
const write = fs.write;
let writeCalls = 0;
fs.write = function() {
switch (writeCalls++) {
case 0:
console.error('first write');
// first time is ok.
return write.apply(fs, arguments);
case 1:
// then it breaks
console.error('second write');
const cb = arguments[arguments.length - 1];
return process.nextTick(function() {
cb(err);
});
default:
// and should not be called again!
throw new Error('BOOM!');
}
};
fs.close = common.mustCall(function(fd_, cb) {
console.error('fs.close', fd_, stream.fd);
assert.strictEqual(fd_, stream.fd);
process.nextTick(cb);
});
stream.on('error', common.mustCall(function(err_) {
console.error('error handler');
assert.strictEqual(stream.fd, null);
assert.strictEqual(err_, err);
}));
stream.write(Buffer.allocUnsafe(256), function() {
console.error('first cb');
stream.write(Buffer.allocUnsafe(256), common.mustCall(function(err_) {
console.error('second cb');
assert.strictEqual(err_, err);
}));
});