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var common = require('../common');
var assert = require('assert');
var path = require('path');
var fs = require('fs');
var fn = path.join(common.tmpDir, 'write.txt');
var file = fs.createWriteStream(fn, {
highWaterMark: 10
});
var EXPECTED = '012345678910';
var callbacks = {
open: -1,
drain: -2,
close: -1
};
file
.on('open', function(fd) {
console.error('open!');
callbacks.open++;
assert.equal('number', typeof fd);
})
.on('error', function(err) {
throw err;
console.error('error!', err.stack);
})
.on('drain', function() {
console.error('drain!', callbacks.drain);
callbacks.drain++;
if (callbacks.drain == -1) {
assert.equal(EXPECTED, fs.readFileSync(fn, 'utf8'));
file.write(EXPECTED);
} else if (callbacks.drain == 0) {
assert.equal(EXPECTED + EXPECTED, fs.readFileSync(fn, 'utf8'));
file.end();
}
})
.on('close', function() {
console.error('close!');
assert.strictEqual(file.bytesWritten, EXPECTED.length * 2);
callbacks.close++;
assert.throws(function() {
console.error('write after end should not be allowed');
file.write('should not work anymore');
});
fs.unlinkSync(fn);
});
for (var i = 0; i < 11; i++) {
(function(i) {
file.write('' + i);
})(i);
}
process.on('exit', function() {
for (var k in callbacks) {
assert.equal(0, callbacks[k], k + ' count off by ' + callbacks[k]);
}
console.log('ok');
});
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