test/hotspot/jtreg/runtime/cds/appcds/ArchiveRelocationTest.java
changeset 59070 22ee476cc664
child 59098 124164752fe4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/ArchiveRelocationTest.java	Wed Nov 13 16:36:54 2019 -0800
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2019, 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
+ * @comment the test uses -XX:ArchiveRelocationMode=1 to force relocation.
+ * @requires vm.cds
+ * @summary Testing relocation of CDS archive (during both dump time and run time)
+ * @comment JDK-8231610 Relocate the CDS archive if it cannot be mapped to the requested address
+ * @bug 8231610
+ * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds/test-classes
+ * @build Hello
+ * @run driver ClassFileInstaller -jar hello.jar Hello
+ * @run driver ArchiveRelocationTest
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jtreg.SkippedException;
+
+public class ArchiveRelocationTest {
+    public static void main(String... args) throws Exception {
+        try {
+            test(true,  false);
+            test(false, true);
+            test(true,  true);
+        } catch (SkippedException s) {
+            s.printStackTrace();
+            throw new RuntimeException("Archive mapping should always succeed after JDK-8231610 (did the machine run out of memory?)");
+        }
+    }
+
+    static int caseCount = 0;
+
+    // dump_reloc - force relocation of archive during dump time?
+    // run_reloc  - force relocation of archive during run time?
+    static void test(boolean dump_reloc, boolean run_reloc) throws Exception {
+        caseCount += 1;
+        System.out.println("============================================================");
+        System.out.println("case = " + caseCount + ", dump = " + dump_reloc
+                           + ", run = " + run_reloc);
+        System.out.println("============================================================");
+
+
+        String appJar = ClassFileInstaller.getJarPath("hello.jar");
+        String mainClass = "Hello";
+        String forceRelocation = "-XX:ArchiveRelocationMode=1";
+        String dumpRelocArg = dump_reloc ? forceRelocation : "-showversion";
+        String runRelocArg  = run_reloc  ? forceRelocation : "-showversion";
+        String logArg = "-Xlog:cds=debug,cds+reloc=debug";
+        String unlockArg = "-XX:+UnlockDiagnosticVMOptions";
+
+        OutputAnalyzer out = TestCommon.dump(appJar,
+                                             TestCommon.list(mainClass),
+                                             unlockArg, dumpRelocArg, logArg);
+        if (dump_reloc) {
+            out.shouldContain("ArchiveRelocationMode == 1: always allocate class space at an alternative address");
+            out.shouldContain("Relocating archive from");
+        }
+
+        TestCommon.run("-cp", appJar, unlockArg, runRelocArg, logArg,  mainClass)
+            .assertNormalExit(output -> {
+                    if (run_reloc) {
+                        output.shouldContain("ArchiveRelocationMode == 1: always map archive(s) at an alternative address");
+                        output.shouldContain("runtime archive relocation start");
+                        output.shouldContain("runtime archive relocation done");
+                    }
+                });
+    }
+}