Mercurial > hg > truffle
diff test/runtime/memory/ReadFromNoaccessArea.java @ 13053:9d8b29a0548c
8027237: New tests on ReservedSpace/VirtualSpace classes
Summary: Three tests added: 1) test stressing VirtualSpace by resizing it constantly 2) test running unit tests in several threads 3) test checking protected area in ReservedHeapSpace class
Reviewed-by: stefank, zgu
Contributed-by: aleksey.timofeev@oracle.com
author | mgerdin |
---|---|
date | Fri, 08 Nov 2013 16:48:21 +0100 |
parents | |
children | e567d5afd4dd |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/memory/ReadFromNoaccessArea.java Fri Nov 08 16:48:21 2013 +0100 @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2013, 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 + * @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION + * @library /testlibrary /testlibrary/whitebox + * @build ReadFromNoaccessArea + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main ReadFromNoaccessArea + */ + +import com.oracle.java.testlibrary.*; +import sun.hotspot.WhiteBox; + +public class ReadFromNoaccessArea { + + public static void main(String args[]) throws Exception { + if (!Platform.is64bit()) { + System.out.println("ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently."); + return; + } + + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-Xbootclasspath/a:.", + "-XX:+UnlockDiagnosticVMOptions", + "-XX:+WhiteBoxAPI", + "-XX:+UseCompressedOops", + "-XX:HeapBaseMinAddress=33G", + DummyClassWithMainTryingToReadFromNoaccessArea.class.getName()); + + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + System.out.println("******* Printing stdout for analysis in case of failure *******"); + System.out.println(output.getStdout()); + System.out.println("******* Printing stderr for analysis in case of failure *******"); + System.out.println(output.getStderr()); + System.out.println("***************************************************************"); + if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) { + // Test conditions broken. There is no protected page in ReservedHeapSpace in these circumstances. Silently passing test. + return; + } + if (Platform.isWindows()) { + output.shouldContain("EXCEPTION_ACCESS_VIOLATION"); + } else if (Platform.isOSX()) { + output.shouldContain("SIGBUS"); + } else { + output.shouldContain("SIGSEGV"); + } + } + + public static class DummyClassWithMainTryingToReadFromNoaccessArea { + + // This method calls whitebox method reading from noaccess area + public static void main(String args[]) throws Exception { + WhiteBox.getWhiteBox().readFromNoaccessArea(); + throw new Exception("Call of readFromNoaccessArea succeeded! This is wrong. Crash expected. Test failed."); + } + } + +}