blob: 4e33028da2f7def6a46418c92bd3365b07cc80df (
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'use strict';
require('../common');
var assert = require('assert');
var Transform = require('stream').Transform;
var parser = new Transform({ readableObjectMode : true });
assert(parser._readableState.objectMode);
assert(!parser._writableState.objectMode);
assert(parser._readableState.highWaterMark === 16);
assert(parser._writableState.highWaterMark === (16 * 1024));
parser._transform = function(chunk, enc, callback) {
callback(null, { val : chunk[0] });
};
var parsed;
parser.on('data', function(obj) {
parsed = obj;
});
parser.end(new Buffer([42]));
process.on('exit', function() {
assert(parsed.val === 42);
});
var serializer = new Transform({ writableObjectMode : true });
assert(!serializer._readableState.objectMode);
assert(serializer._writableState.objectMode);
assert(serializer._readableState.highWaterMark === (16 * 1024));
assert(serializer._writableState.highWaterMark === 16);
serializer._transform = function(obj, _, callback) {
callback(null, new Buffer([obj.val]));
};
var serialized;
serializer.on('data', function(chunk) {
serialized = chunk;
});
serializer.write({ val : 42 });
process.on('exit', function() {
assert(serialized[0] === 42);
});
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