test/hotspot/jtreg/runtime/appcds/FreeUnusedMetadata.java
branchJDK-8200758-branch
changeset 57588 dac8f245de8e
parent 57587 16c4975e9e09
parent 57586 f459f98aa30d
child 57591 6805e0ef7453
--- a/test/hotspot/jtreg/runtime/appcds/FreeUnusedMetadata.java	Mon Jul 29 18:31:18 2019 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,118 +0,0 @@
-/*
- * Copyright (c) 2017, 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.
- *
- * 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 Unused metadata created during dump time should be freed from the CDS archive.
- * @requires vm.cds
- * @library /test/lib
- * @modules jdk.jartool/sun.tools.jar
- * @compile test-classes/MethodNoReturn.jasm test-classes/Hello.java
- * @run driver FreeUnusedMetadata
- */
-
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import jdk.test.lib.process.OutputAnalyzer;
-
-public class FreeUnusedMetadata {
-    static byte iconst_1 =  4;
-    static byte pop      = 87;
-    static byte[] pattern = { // This has the same sequence as in test-classes/MethodNoReturn.jasm
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        pop,
-        iconst_1,
-        iconst_1,
-        iconst_1,
-        iconst_1,
-        iconst_1,
-        iconst_1,
-        iconst_1,
-        iconst_1,
-        pop,
-        pop,
-        pop,
-        pop,
-        pop,
-        pop,
-        pop,
-        pop
-    };
-
-    public static void main(String[] args) throws Exception {
-        String[] ARCHIVE_CLASSES = {"Hello", "MethodNoReturn"};
-        String appJar = JarBuilder.build("FreeUnusedMetadata", ARCHIVE_CLASSES);
-
-        OutputAnalyzer dumpOutput = TestCommon.dump(
-                appJar, ARCHIVE_CLASSES);
-        TestCommon.checkDump(dumpOutput, "Loading classes to share");
-
-        OutputAnalyzer execOutput = TestCommon.exec(appJar, "Hello");
-        TestCommon.checkExec(execOutput, "Hello World");
-
-
-        String archive = TestCommon.getCurrentArchiveName();
-        System.out.println("Checking for pattern inside " + archive + "...");
-
-        byte[] data = Files.readAllBytes(Paths.get(archive));
-        int max = data.length - pattern.length;
-        for (int i=0; i<max; i++) {
-            if (data[i+0] == iconst_1 && data[i+1] == pop &&
-                data[i+2] == iconst_1 && data[i+3] == pop) {
-                boolean match = true;
-                for (int x=4; x<pattern.length; x++) {
-                    if (data[i+x] != pattern[x]) {
-                        match = false;
-                        break;
-                    }
-                }
-
-                if (match) {
-                    throw new RuntimeException("method of unverifiable class should have been " +
-                        "removed from the archive " + archive +
-                        " , but was found at offset " + i);
-                }
-            }
-        }
-        System.out.println("Not found: method from unverifiable class has been removed");
-    }
-}