test/jdk/jdk/jfr/event/gc/detailed/ExecuteOOMApp.java
changeset 50113 caf115bb98ad
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/event/gc/detailed/ExecuteOOMApp.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2016, 2018, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package jdk.jfr.event.gc.detailed;
+
+import jdk.test.lib.jfr.AppExecutorHelper;
+import jdk.test.lib.process.OutputAnalyzer;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class ExecuteOOMApp {
+    /**
+     * Executes OOM application with JFR recording and returns true if OOM error happened in the
+     * test thread. Adds -XX:-UseGCOverheadLimit option to avoid "java.lang.OutOfMemoryError: GC overhead limit exceeded".
+     *
+     * @param settings JFR settings file
+     * @param jfrFilename JFR resulting recording filename
+     * @param additionalVmFlags additional VM flags passed to the java
+     * @param bytesToAllocate number of bytes to allocate in new object every cycle in OOM application
+     * @return true - OOM application is finished as expected,i.e. OOM happened in the test thead
+     *         false - OOM application is finished with OOM error which happened in the non test thread
+     */
+    public static boolean execute(String settings, String jfrFilename, String[] additionalVmFlags, int bytesToAllocate) throws Exception {
+        List<String> additionalVmFlagsList = new ArrayList<>(Arrays.asList(additionalVmFlags));
+        additionalVmFlagsList.add("-XX:-UseGCOverheadLimit");
+
+        OutputAnalyzer out = AppExecutorHelper.executeAndRecord(settings, jfrFilename, additionalVmFlagsList.toArray(new String[0]),
+                                                                OOMApp.class.getName(), String.valueOf(bytesToAllocate));
+
+        if ((out.getExitValue() == 1 && out.getOutput().contains("Exception: java.lang.OutOfMemoryError"))) {
+            return false;
+        }
+
+        out.shouldHaveExitValue(0);
+        System.out.println(out.getOutput());
+
+        return true;
+    }
+}