Add NativeLibraryStorageTEst

1 files changed, 129 insertions, 0 deletions

diff --git a/tests/test-extensions/net/sourceforge/jnlp/util/FileTestUtils.java b/tests/test-extensions/net/sourceforge/jnlp/util/FileTestUtils.java
new file mode 100644
index 0000000..828d6a5
--- /dev/null
+++ b/tests/test-extensions/net/sourceforge/jnlp/util/FileTestUtils.java
@@ -0,0 +1,129 @@
+/*
+Copyright (C) 2013 Red Hat, Inc.
+
+This file is part of IcedTea.
+
+IcedTea is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 2.
+
+IcedTea 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with IcedTea; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version.
+ */
+
+package net.sourceforge.jnlp.util;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.lang.management.ManagementFactory;
+import java.util.jar.Attributes;
+import java.util.jar.JarEntry;
+import java.util.jar.JarOutputStream;
+import java.util.jar.Manifest;
+
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+
+import net.sourceforge.jnlp.ServerAccess;
+
+public class FileTestUtils {
+
+    /* Get the open file-descriptor count for the process. Note that this is
+     * specific to Unix-like operating systems. */
+    static public long getOpenFileDescriptorCount() {
+        MBeanServer beanServer = ManagementFactory.getPlatformMBeanServer();
+        try {
+            return (Long) beanServer.getAttribute(new ObjectName(
+                    "java.lang:type=OperatingSystem"),
+                    "OpenFileDescriptorCount");
+        } catch (Exception e) {
+            // Effectively disables leak tests
+            ServerAccess.logErrorReprint("Warning: Cannot get file descriptors for this platform!");
+            return 0;
+        }
+    }
+
+    /* Check the amount of file descriptors before and after a Runnable */
+    static public void assertNoFileLeak(Runnable runnable) {
+        long filesOpenBefore = getOpenFileDescriptorCount();
+        runnable.run();
+        long filesLeaked = getOpenFileDescriptorCount() - filesOpenBefore;
+        assertEquals(0, filesLeaked);
+    }
+
+    /* Creates a file with the given contents */
+    static public void createFileWithContents(File file, String contents)
+            throws IOException {
+        PrintWriter out = new PrintWriter(file);
+        out.write(contents);
+        out.close();
+    }
+
+    /* Creates a jar in a temporary directory, with the given name & file contents */
+    static public void createJarWithContents(File jarFile, Manifest manifestContents, File... fileContents)
+            throws Exception {
+        /* Manifest quite evilly ignores all attributes if we don't specify a version! 
+         * Make sure it's set here. */
+        manifestContents.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
+
+        JarOutputStream jarWriter = new JarOutputStream(new FileOutputStream(jarFile), manifestContents);
+        for (File file : fileContents) {
+            jarWriter.putNextEntry(new JarEntry(file.getName()));
+            FileInputStream fileReader = new FileInputStream(file);
+            StreamUtils.copyStream(fileReader, jarWriter);
+            fileReader.close();
+            jarWriter.closeEntry();
+        }
+        jarWriter.close();
+    }
+
+    /* Creates a jar in a temporary directory, with the given name, manifest & file contents */
+    static public void createJarWithContents(File jarFile, File... fileContents) throws Exception {
+        /* Note that we always specify a manifest, to avoid empty jars.
+         * Empty jars are not allowed by icedtea-web during the zip-file header check. */
+        createJarWithContents(jarFile, new Manifest(), fileContents);
+    }
+
+    /* Creates a temporary directory. Note that Java 7 has a method for this,
+     * but we want to remain 6-compatible. */
+    static public File createTempDirectory() throws IOException {
+        File file = File.createTempFile("temp",
+                Long.toString(System.nanoTime()));
+        file.delete();
+        if (!file.mkdir()) {
+            throw new IOException("Failed to create temporary directory '"
+                    + file + "' for test.");
+        }
+        return file;
+    }
+
+}