test/jdk/java/util/zip/ZipFile/ReleaseInflater.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/util/zip/ZipFile/ReleaseInflater.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 4214795
+ * @summary Make sure the same inflater will only be recycled
+ *          once.
+ */
+
+import java.io.*;
+import java.util.zip.*;
+
+public class ReleaseInflater {
+
+    public static void main(String[] args) throws Exception {
+        ZipFile zf = new ZipFile(new File(System.getProperty("test.src"),
+                                          "input.jar"));
+        ZipEntry e = zf.getEntry("ReleaseInflater.java");
+
+        InputStream in1 = zf.getInputStream(e);
+        // close the stream, the inflater will be released
+        in1.close();
+        // close the stream again, should be no-op
+        in1.close();
+
+        // create two new streams, allocating inflaters
+        InputStream in2 = zf.getInputStream(e);
+        InputStream in3 = zf.getInputStream(e);
+
+        // check to see if they influence each other
+        if (in2.read() != in3.read()) {
+            throw new Exception("Stream is corrupted!");
+        }
+    }
+}