--- /dev/null
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+var stream = require('stream');
+
+(function testErrorListenerCatches() {
+ var count = 1000;
+
+ var source = new stream.Readable();
+ source._read = function(n, cb) {
+ n = Math.min(count, n);
+ count -= n;
+ cb(null, new Buffer(n));
+ };
+
+ var unpipedDest;
+ source.unpipe = function(dest) {
+ unpipedDest = dest;
+ stream.Readable.prototype.unpipe.call(this, dest);
+ };
+
+ var dest = new stream.Writable();
+ dest._write = function(chunk, cb) {
+ cb();
+ };
+
+ source.pipe(dest);
+
+ var gotErr = null;
+ dest.on('error', function(err) {
+ gotErr = err;
+ });
+
+ var unpipedSource;
+ dest.on('unpipe', function(src) {
+ unpipedSource = src;
+ });
+
+ var err = new Error('This stream turned into bacon.');
+ dest.emit('error', err);
+ assert.strictEqual(gotErr, err);
+ assert.strictEqual(unpipedSource, source);
+ assert.strictEqual(unpipedDest, dest);
+})();
+
+(function testErrorWithoutListenerThrows() {
+ var count = 1000;
+
+ var source = new stream.Readable();
+ source._read = function(n, cb) {
+ n = Math.min(count, n);
+ count -= n;
+ cb(null, new Buffer(n));
+ };
+
+ var unpipedDest;
+ source.unpipe = function(dest) {
+ unpipedDest = dest;
+ stream.Readable.prototype.unpipe.call(this, dest);
+ };
+
+ var dest = new stream.Writable();
+ dest._write = function(chunk, cb) {
+ cb();
+ };
+
+ source.pipe(dest);
+
+ var unpipedSource;
+ dest.on('unpipe', function(src) {
+ unpipedSource = src;
+ });
+
+ var err = new Error('This stream turned into bacon.');
+
+ var gotErr = null;
+ try {
+ dest.emit('error', err);
+ } catch (e) {
+ gotErr = e;
+ }
+ assert.strictEqual(gotErr, err);
+ assert.strictEqual(unpipedSource, source);
+ assert.strictEqual(unpipedDest, dest);
+})();