--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/gc/arguments/TestVerifyBeforeAndAfterGCFlags.java	Wed Apr 15 11:23:06 2015 +0000
@@ -0,0 +1,119 @@
+/*
+* Copyright (c) 2015, 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 TestVerifyBeforeAndAfterGCFlags
+ * @key gc
+ * @bug 8000831
+ * @summary Runs an simple application (GarbageProducer) with various
+         combinations of -XX:{+|-}Verify{After|Before}GC flags and checks that
+         output contain or doesn't contain expected patterns
+ * @modules java.management
+ * @library /testlibrary
+ * @run driver TestVerifyBeforeAndAfterGCFlags
+ */
+
+import java.util.ArrayList;
+import java.util.Collections;
+
+import com.oracle.java.testlibrary.Utils;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import com.oracle.java.testlibrary.ProcessTools;
+
+public class TestVerifyBeforeAndAfterGCFlags {
+
+    // VerifyBeforeGC:[Verifying threads heap tenured eden syms strs zone dict metaspace chunks hand C-heap code cache ]
+    public static final String VERIFY_BEFORE_GC_PATTERN = "VerifyBeforeGC:\\[Verifying\\s+([^]\\s]+\\s+)+\\]";
+    // VerifyBeforeGC: VerifyBeforeGC: VerifyBeforeGC:
+    public static final String VERIFY_BEFORE_GC_CORRUPTED_PATTERN = "VerifyBeforeGC:(?!\\[Verifying[^]]+\\])";
+
+    // VerifyAfterGC:[Verifying threads heap tenured eden syms strs zone dict metaspace chunks hand C-heap code cache ]
+    public static final String VERIFY_AFTER_GC_PATTERN = "VerifyAfterGC:\\[Verifying\\s+([^]\\s]+\\s+)+\\]";
+    // VerifyAfterGC: VerifyAfterGC: VerifyAfterGC:
+    public static final String VERIFY_AFTER_GC_CORRUPTED_PATTERN = "VerifyAfterGC:(?!\\[Verifying[^]]+\\])";
+
+    public static void main(String args[]) throws Exception {
+        String[] filteredOpts = Utils.getFilteredTestJavaOpts(
+                                    new String[] { "-Xloggc:",
+                                                   "-XX:+UseGCLogFileRotation",
+                                                   "-XX:-DisplayVMOutput",
+                                                   "VerifyBeforeGC",
+                                                   "VerifyAfterGC" });
+        testVerifyFlags(false, false, filteredOpts);
+        testVerifyFlags(true,  true,  filteredOpts);
+        testVerifyFlags(true,  false, filteredOpts);
+        testVerifyFlags(false, true,  filteredOpts);
+    }
+
+    public static void testVerifyFlags(boolean verifyBeforeGC,
+                                       boolean verifyAfterGC,
+                                       String[] opts) throws Exception {
+        ArrayList<String> vmOpts = new ArrayList<>();
+        if (opts != null && (opts.length > 0)) {
+            Collections.addAll(vmOpts, opts);
+        }
+
+        Collections.addAll(vmOpts, new String[] {
+                                       "-Xmx5m",
+                                       "-Xms5m",
+                                       "-Xmn3m",
+                                       "-XX:+UnlockDiagnosticVMOptions",
+                                       (verifyBeforeGC ? "-XX:+VerifyBeforeGC"
+                                                       : "-XX:-VerifyBeforeGC"),
+                                       (verifyAfterGC ? "-XX:+VerifyAfterGC"
+                                                      : "-XX:-VerifyAfterGC"),
+                                       GarbageProducer.class.getName() });
+        ProcessBuilder procBuilder =
+            ProcessTools.createJavaProcessBuilder(vmOpts.toArray(
+                                                   new String[vmOpts.size()]));
+        OutputAnalyzer analyzer = new OutputAnalyzer(procBuilder.start());
+
+        analyzer.shouldHaveExitValue(0);
+        analyzer.shouldNotMatch(VERIFY_BEFORE_GC_CORRUPTED_PATTERN);
+        analyzer.shouldNotMatch(VERIFY_AFTER_GC_CORRUPTED_PATTERN);
+
+        if (verifyBeforeGC) {
+            analyzer.shouldMatch(VERIFY_BEFORE_GC_PATTERN);
+        } else {
+            analyzer.shouldNotMatch(VERIFY_BEFORE_GC_PATTERN);
+        }
+
+        if (verifyAfterGC) {
+            analyzer.shouldMatch(VERIFY_AFTER_GC_PATTERN);
+        } else {
+            analyzer.shouldNotMatch(VERIFY_AFTER_GC_PATTERN);
+        }
+    }
+
+    public static class GarbageProducer {
+        static long[][] garbage = new long[10][];
+
+        public static void main(String args[]) {
+            int j = 0;
+            for(int i = 0; i<1000; i++) {
+                garbage[j] = new long[10000];
+                j = (j+1)%garbage.length;
+            }
+        }
+    }
+}