hotspot/test/runtime/SharedArchiveFile/CDSTestUtils.java
changeset 41182 dbd59c1da636
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/SharedArchiveFile/CDSTestUtils.java	Sun Sep 18 21:10:48 2016 -0400
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+import java.io.IOException;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import jdk.test.lib.process.OutputAnalyzer;
+
+
+// This class contains common test utilities for CDS testing
+public class CDSTestUtils {
+
+    // check result of 'dump' operation
+    public static void checkDump(OutputAnalyzer output, String... extraMatches)
+        throws Exception {
+
+        output.shouldContain("Loading classes to share");
+        output.shouldHaveExitValue(0);
+
+        for (String match : extraMatches) {
+            output.shouldContain(match);
+        }
+    }
+
+
+    // check the output for indication that mapping of the archive failed
+    public static boolean isUnableToMap(OutputAnalyzer output) {
+        String outStr = output.getOutput();
+        if ((output.getExitValue() == 1) && (
+            outStr.contains("Unable to reserve shared space at required address") ||
+            outStr.contains("Unable to map ReadOnly shared space at required address") ||
+            outStr.contains("Unable to map ReadWrite shared space at required address") ||
+            outStr.contains("Unable to map MiscData shared space at required address") ||
+            outStr.contains("Unable to map MiscCode shared space at required address") ||
+            outStr.contains("Unable to map shared string space at required address") ||
+            outStr.contains("Could not allocate metaspace at a compatible address") ||
+            outStr.contains("Unable to allocate shared string space: range is not within java heap") ))
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    // check result of 'exec' operation, that is when JVM is run using the archive
+    public static void checkExec(OutputAnalyzer output, String... extraMatches) throws Exception {
+        if (isUnableToMap(output)) {
+            System.out.println("Unable to map shared archive: test did not complete; assumed PASS");
+            return;
+        }
+        output.shouldContain("sharing");
+        output.shouldHaveExitValue(0);
+
+        for (String match : extraMatches) {
+            output.shouldContain(match);
+        }
+    }
+
+
+    // get the file object for the test artifact
+    private static File getTestArtifactFile(String prefix, String name) {
+        File dir = new File(System.getProperty("test.classes", "."));
+        return new File(dir, prefix + name);
+    }
+
+
+    // create file containing the specified class list
+    public static File makeClassList(String testCaseName, String classes[])
+        throws Exception {
+
+        File classList = getTestArtifactFile(testCaseName, "test.classlist");
+        FileOutputStream fos = new FileOutputStream(classList);
+        PrintStream ps = new PrintStream(fos);
+
+        addToClassList(ps, classes);
+
+        ps.close();
+        fos.close();
+
+        return classList;
+    }
+
+
+    private static void addToClassList(PrintStream ps, String classes[])
+        throws IOException
+    {
+        if (classes != null) {
+            for (String s : classes) {
+                ps.println(s);
+            }
+        }
+    }
+
+}