zlib: do not crash on write after close

fix #7767

Signed-off-by: Fedor Indutny <fedor@indutny.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/test/simple/test-zlib-write-after-close.js b/test/simple/test-zlib-write-after-close.js
new file mode 100644
index 0000000000..d3f3d4e6b3
--- /dev/null
+++ b/test/simple/test-zlib-write-after-close.js
@@ -0,0 +1,40 @@
+// 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.js');
+var assert = require('assert');
+var zlib = require('zlib');
+
+var closed = false;
+
+zlib.gzip('hello', function(err, out) {
+  var unzip = zlib.createGunzip();
+  unzip.close(function() {
+    closed = true;
+  });
+  assert.throws(function() {
+    unzip.write(out);
+  });
+});
+
+process.on('exit', function() {
+  assert(closed);
+});