zlib: Emit 'close' on destroy().

lib/zlib.js

@@ -455,6 +455,7 @@ Zlib.prototype.destroy = function() {
   this.readable = false;
   this.writable = false;
   this._ended = true;
+  this.emit('close');
 };
 
 util.inherits(Deflate, Zlib);

test/simple/test-zlib-destroy.js

@@ -0,0 +1,36 @@
+// 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 zlib = require('zlib');
+
+['Deflate', 'Inflate', 'Gzip', 'Gunzip', 'DeflateRaw', 'InflateRaw', 'Unzip']
+  .forEach(function (name) {
+    var a = false;
+    var zStream = new zlib[name]();
+    zStream.on('close', function () {
+      a = true;
+    });
+    zStream.destroy();
+
+    assert.equal(a, true, name+'#destroy() must emit \'close\'');
+  });