8052313: Backport CDS tests from JDK-9 to jdk8_u40

Summary: Copied CDS tests from jdk-9 to jdk8u40
Reviewed-by: ccheung, dholmes

test/runtime/SharedArchiveFile/ArchiveDoesNotExist.java

+/*
+ * Copyright (c) 2014, 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 ArchiveDoesNotExist
+ * @summary Test how VM handles "file does not exist" situation while
+ *          attempting to use CDS archive. JVM should exit gracefully
+ *          when sharing mode is ON, and continue w/o sharing if sharing
+ *          mode is AUTO.
+ * @library /testlibrary
+ * @run main ArchiveDoesNotExist
+ */
+
+import com.oracle.java.testlibrary.*;
+import java.io.File;
+
+public class ArchiveDoesNotExist {
+    public static void main(String[] args) throws Exception {
+        String fileName = "test.jsa";
+
+        File cdsFile = new File(fileName);
+        if (cdsFile.exists())
+            throw new RuntimeException("Test error: cds file already exists");
+
+        // Sharing: on
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+           "-XX:+UnlockDiagnosticVMOptions",
+           "-XX:SharedArchiveFile=./" + fileName,
+           "-Xshare:on",
+           "-version");
+
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldContain("Specified shared archive not found");
+        output.shouldHaveExitValue(1);
+
+        // Sharing: auto
+        pb = ProcessTools.createJavaProcessBuilder(
+           "-XX:+UnlockDiagnosticVMOptions",
+           "-XX:SharedArchiveFile=./" + fileName,
+           "-Xshare:auto",
+           "-version");
+
+        output = new OutputAnalyzer(pb.start());
+        output.shouldMatch("(java|openjdk) version");
+        output.shouldNotContain("sharing");
+        output.shouldHaveExitValue(0);
+    }
+}

test/runtime/SharedArchiveFile/CdsDifferentObjectAlignment.java

 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2014, 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
@@ -29,6 +29,7 @@
  *          is different from object alignment for creating a CDS file
  *          should fail when loading.
  * @library /testlibrary
+ * @bug 8025642
  */
 
 import com.oracle.java.testlibrary.*;
@@ -82,7 +83,11 @@ public class CdsDifferentObjectAlignment {
             createAlignment,
             loadAlignment);
 
+        try {
             output.shouldContain(expectedErrorMsg);
+        } catch (RuntimeException e) {
+            output.shouldContain("Unable to use shared archive");
+        }
         output.shouldHaveExitValue(1);
     }
 }

test/runtime/SharedArchiveFile/DefaultUseWithClient.java

+/*
+ * Copyright (c) 2014, 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 DefaultUseWithClient
+ * @summary Test default behavior of sharing with -client
+ * @library /testlibrary
+ * @run main DefaultUseWithClient
+ * @bug 8032224
+ */
+
+import com.oracle.java.testlibrary.*;
+import java.io.File;
+
+public class DefaultUseWithClient {
+    public static void main(String[] args) throws Exception {
+        String fileName = "test.jsa";
+
+        // On 32-bit windows CDS should be on by default in "-client" config
+        // Skip this test on any other platform
+        boolean is32BitWindows = (Platform.isWindows() && Platform.is32bit());
+        if (!is32BitWindows) {
+            System.out.println("Test only applicable on 32-bit Windows. Skipping");
+            return;
+        }
+
+        // create the archive
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+           "-XX:+UnlockDiagnosticVMOptions",
+           "-XX:SharedArchiveFile=./" + fileName,
+           "-Xshare:dump");
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder(
+           "-XX:+UnlockDiagnosticVMOptions",
+           "-XX:SharedArchiveFile=./" + fileName,
+           "-client",
+           "-XX:+PrintSharedSpaces",
+           "-version");
+
+        output = new OutputAnalyzer(pb.start());
+        try {
+            output.shouldContain("sharing");
+        } catch (RuntimeException e) {
+            // if sharing failed due to ASLR or similar reasons,
+            // check whether sharing was attempted at all (UseSharedSpaces)
+            output.shouldContain("UseSharedSpaces:");
+        }
+        output.shouldHaveExitValue(0);
+   }
+}

test/runtime/SharedArchiveFile/LimitSharedSizes.java

+/*
+ * Copyright (c) 2014, 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 LimitSharedSizes
+ * @summary Test handling of limits on shared space size
+ * @library /testlibrary
+ * @run main LimitSharedSizes
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class LimitSharedSizes {
+    private static class SharedSizeTestData {
+        public String optionName;
+        public String optionValue;
+        public String expectedErrorMsg;
+
+        public SharedSizeTestData(String name, String value, String msg) {
+            optionName = name;
+            optionValue = value;
+            expectedErrorMsg = msg;
+        }
+    }
+
+    private static final SharedSizeTestData[] testTable = {
+        // values in this part of the test table should cause failure
+        // (shared space sizes are deliberately too small)
+        new SharedSizeTestData("-XX:SharedReadOnlySize", "4M",      "read only"),
+        new SharedSizeTestData("-XX:SharedReadWriteSize","4M",      "read write"),
+
+        // Known issue, JDK-8038422 (assert() on Windows)
+        // new SharedSizeTestData("-XX:SharedMiscDataSize", "500k",    "miscellaneous data"),
+
+        // This will cause a VM crash; commenting out for now; see bug JDK-8038268
+        // @ignore JDK-8038268
+        // new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k",     "miscellaneous code"),
+
+        // these values are larger than default ones, but should
+        // be acceptable and not cause failure
+        new SharedSizeTestData("-XX:SharedReadOnlySize",    "20M", null),
+        new SharedSizeTestData("-XX:SharedReadWriteSize",   "20M", null),
+        new SharedSizeTestData("-XX:SharedMiscDataSize",    "20M", null),
+        new SharedSizeTestData("-XX:SharedMiscCodeSize",    "20M", null)
+    };
+
+    public static void main(String[] args) throws Exception {
+        String fileName = "test.jsa";
+
+        for (SharedSizeTestData td : testTable) {
+            String option = td.optionName + "=" + td.optionValue;
+            System.out.println("testing option <" + option + ">");
+
+            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+               "-XX:+UnlockDiagnosticVMOptions",
+               "-XX:SharedArchiveFile=./" + fileName,
+               option,
+               "-Xshare:dump");
+
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+            if (td.expectedErrorMsg != null) {
+                output.shouldContain("The shared " + td.expectedErrorMsg
+                    + " space is not large enough");
+
+                output.shouldHaveExitValue(2);
+            } else {
+                output.shouldNotContain("space is not large enough");
+                output.shouldHaveExitValue(0);
+            }
+        }
+    }
+}

test/runtime/SharedArchiveFile/SharedBaseAddress.java

+/*
+ * Copyright (c) 2014, 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 SharedBaseAddress
+ * @summary Test variety of values for SharedBaseAddress, making sure
+ *          VM handles normal values as well as edge values w/o a crash.
+ * @library /testlibrary
+ * @run main SharedBaseAddress
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class SharedBaseAddress {
+
+    // shared base address test table
+    private static final String[] testTable = {
+        "1g", "8g", "64g","512g", "4t",
+        "32t", "128t", "0",
+        "1", "64k", "64M"
+    };
+
+    public static void main(String[] args) throws Exception {
+        // Known issue on Solaris-Sparc
+        // @ignore JDK-8044600
+        if (Platform.isSolaris() && Platform.isSparc())
+            return;
+
+        for (String testEntry : testTable) {
+            System.out.println("sharedBaseAddress = " + testEntry);
+
+            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+               "-XX:+UnlockDiagnosticVMOptions",
+               "-XX:SharedArchiveFile=test.jsa",
+               "-XX:SharedBaseAddress=" + testEntry,
+               "-Xshare:dump");
+
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+            output.shouldContain("Loading classes to share");
+
+            try {
+                pb = ProcessTools.createJavaProcessBuilder(
+                    "-XX:+UnlockDiagnosticVMOptions",
+                    "-XX:SharedArchiveFile=test.jsa",
+                    "-Xshare:on",
+                    "-version");
+                output = new OutputAnalyzer(pb.start());
+                output.shouldContain("sharing");
+                output.shouldHaveExitValue(0);
+            } catch (RuntimeException e) {
+                output.shouldContain("Unable to use shared archive");
+                output.shouldHaveExitValue(1);
+            }
+        }
+    }
+}

test/runtime/SharedArchiveFile/SpaceUtilizationCheck.java

+/*
+ * Copyright (c) 2014, 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 SpaceUtilizationCheck
+ * @summary Check if the space utilization for shared spaces is adequate
+ * @library /testlibrary
+ * @run main SpaceUtilizationCheck
+ */
+
+import com.oracle.java.testlibrary.*;
+
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import java.util.ArrayList;
+import java.lang.Integer;
+
+public class SpaceUtilizationCheck {
+    // Minimum allowed utilization value (percent)
+    // The goal is to have this number to be 50% for RO and RW regions
+    // Once that feature is implemented, increase the MIN_UTILIZATION to 50
+    private static final int MIN_UTILIZATION = 30;
+
+    // Only RO and RW regions are considered for this check, since they
+    // currently account for the bulk of the shared space
+    private static final int NUMBER_OF_CHECKED_SHARED_REGIONS = 2;
+
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+           "-XX:+UnlockDiagnosticVMOptions",
+           "-XX:SharedArchiveFile=./test.jsa",
+           "-Xshare:dump");
+
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        String stdout = output.getStdout();
+        ArrayList<String> utilization = findUtilization(stdout);
+
+        if (utilization.size() != NUMBER_OF_CHECKED_SHARED_REGIONS )
+            throw new RuntimeException("The output format of sharing summary has changed");
+
+        for(String str : utilization) {
+            int value = Integer.parseInt(str);
+            if (value < MIN_UTILIZATION) {
+                System.out.println(stdout);
+                throw new RuntimeException("Utilization for one of the regions" +
+                    "is below a threshold of " + MIN_UTILIZATION + "%");
+            }
+        }
+    }
+
+    public static ArrayList<String> findUtilization(String input) {
+        ArrayList<String> regions = filterRegionsOfInterest(input.split("\n"));
+        return filterByPattern(filterByPattern(regions, "bytes \\[.*% used\\]"), "\\d+");
+    }
+
+    private static ArrayList<String> filterByPattern(Iterable<String> input, String pattern) {
+        ArrayList<String> result = new ArrayList<String>();
+        for (String str : input) {
+            Matcher matcher = Pattern.compile(pattern).matcher(str);
+            if (matcher.find()) {
+                result.add(matcher.group());
+            }
+        }
+        return result;
+    }
+
+    private static ArrayList<String> filterRegionsOfInterest(String[] inputLines) {
+        ArrayList<String> result = new ArrayList<String>();
+        for (String str : inputLines) {
+            if (str.contains("ro space:") || str.contains("rw space:")) {
+                result.add(str);
+            }
+        }
+        return result;
+    }
+}