--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/dcmd/vm/ClassHierarchyTest.java Wed Feb 11 15:22:43 2015 -0800
@@ -0,0 +1,199 @@
+/*
+ * 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
+ * @summary Test of diagnostic command VM.class_hierarchy
+ * @library /testlibrary
+ * @build com.oracle.java.testlibrary.*
+ * @build com.oracle.java.testlibrary.dcmd.*
+ * @run testng ClassHierarchyTest
+ */
+
+import org.testng.annotations.Test;
+import org.testng.Assert;
+
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import com.oracle.java.testlibrary.dcmd.CommandExecutor;
+import com.oracle.java.testlibrary.dcmd.JMXExecutor;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.util.Iterator;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ClassHierarchyTest {
+
+ // $> jcmd DcmdTestClass VM.class_hierarchy DcmdTestClass | grep DcmdTestClass\$\$Lambda
+ // |--DcmdTestClass$$Lambda$1/4081552/0xa529fbb0
+
+ // > VM.class_hierarchy DcmdBaseClass
+ // java.lang.Object/null
+ // |--DcmdBaseClass/0xa4abcd48
+
+ // > VM.class_hierarchy DcmdBaseClass -s
+ // java.lang.Object/null
+ // |--DcmdBaseClass/0xa4abcd48
+ // | |--DcmdTestClass/0xa4abcd48
+
+ // > VM.class_hierarchy DcmdBaseClass -i -s
+ // java.lang.Object/null
+ // |--DcmdBaseClass/0xa4abcd48
+ // | implements Intf2/0xa4abcd48 (declared intf)
+ // | implements Intf1/0xa4abcd48 (inherited intf)
+ // | |--DcmdTestClass/0xa4abcd48
+ // | | implements Intf1/0xa4abcd48 (inherited intf)
+ // | | implements Intf2/0xa4abcd48 (inherited intf)
+
+ static Pattern expected_lambda_line =
+ Pattern.compile("\\|--DcmdTestClass\\$\\$Lambda.*");
+
+ static Pattern expected_lines[] = {
+ Pattern.compile("java.lang.Object/null"),
+ Pattern.compile("\\|--DcmdBaseClass/0x(\\p{XDigit}*)"),
+ Pattern.compile("\\| implements Intf2/0x(\\p{XDigit}*) \\(declared intf\\)"),
+ Pattern.compile("\\| implements Intf1/0x(\\p{XDigit}*) \\(inherited intf\\)"),
+ Pattern.compile("\\| \\|--DcmdTestClass/0x(\\p{XDigit}*)"),
+ Pattern.compile("\\| \\| implements Intf1/0x(\\p{XDigit}*) \\(inherited intf\\)"),
+ Pattern.compile("\\| \\| implements Intf2/0x(\\p{XDigit}*) \\(inherited intf\\)")
+ };
+
+ public void run(CommandExecutor executor) throws ClassNotFoundException {
+ OutputAnalyzer output;
+ Iterator<String> lines;
+ int i;
+
+ // Load our test class whose hierarchy we will print.
+ Class<?> c = Class.forName("DcmdTestClass");
+
+ // Verify the presence of the lamba anonymous class
+ output = executor.execute("VM.class_hierarchy");
+ lines = output.asLines().iterator();
+ Boolean foundMatch = false;
+ while (lines.hasNext()) {
+ String line = lines.next();
+ Matcher m = expected_lambda_line.matcher(line);
+ if (m.matches()) {
+ foundMatch = true;
+ break;
+ }
+ }
+ if (!foundMatch) {
+ Assert.fail("Failed to find lamda class");
+ }
+
+ // Verify the output for the simple hierachry of just DcmdBaseClass.
+ output = executor.execute("VM.class_hierarchy DcmdBaseClass");
+ lines = output.asLines().iterator();
+ i = 0;
+ while (lines.hasNext()) {
+ String line = lines.next();
+ Matcher m = expected_lines[i].matcher(line);
+ i++;
+ if (!m.matches()) {
+ Assert.fail("Failed to match line #" + i + ": " + line);
+ }
+ // Should only be two lines of output in this form.
+ if (i == 2) break;
+ }
+ if (lines.hasNext()) {
+ String line = lines.next();
+ Assert.fail("Unexpected dcmd output: " + line);
+ }
+
+ // Verify the output for the full hierarchy of DcmdBaseClass, but without interfaces.
+ output = executor.execute("VM.class_hierarchy DcmdBaseClass -s");
+ lines = output.asLines().iterator();
+ i = 0;
+ while (lines.hasNext()) {
+ String line = lines.next();
+ Matcher m = expected_lines[i].matcher(line);
+ i++;
+ if (!m.matches()) {
+ Assert.fail("Failed to match line #" + i + ": " + line);
+ }
+ // "implements" lines should not be in this output.
+ if (i == 2 || i == 4) i += 2;
+ }
+ if (lines.hasNext()) {
+ String line = lines.next();
+ Assert.fail("Unexpected dcmd output: " + line);
+ }
+
+ // Verify the output for the full hierarchy of DcmdBaseClass, including interfaces.
+ output = executor.execute("VM.class_hierarchy DcmdBaseClass -i -s");
+ lines = output.asLines().iterator();
+ i = 0;
+ String classLoaderAddr = null;
+ while (lines.hasNext()) {
+ String line = lines.next();
+ Matcher m = expected_lines[i].matcher(line);
+ i++;
+ if (!m.matches()) {
+ Assert.fail("Failed to match line #" + i + ": " + line);
+ }
+ if (i == 2) {
+ // Fetch the ClassLoader address, which should be the same in
+ // subsequent lines.
+ classLoaderAddr = m.group(1);
+ System.out.println(classLoaderAddr);
+ } else if (i > 2) {
+ if (!classLoaderAddr.equals(m.group(1))) {
+ Assert.fail("Classloader address didn't match on line #"
+ + i + ": " + line);
+ }
+ }
+ if (i == expected_lines.length) break;
+ }
+ if (lines.hasNext()) {
+ String line = lines.next();
+ Assert.fail("Unexpected dcmd output: " + line);
+ }
+ }
+
+ @Test
+ public void jmx() throws ClassNotFoundException {
+ run(new JMXExecutor());
+ }
+}
+
+interface Intf1 {
+}
+
+interface Intf2 extends Intf1 {
+}
+
+class DcmdBaseClass implements Intf2 {
+}
+
+class DcmdTestClass extends DcmdBaseClass {
+ static {
+ // Force creation of anonymous class (for the lambdaform).
+ Runnable r = () -> System.out.println("Hello");
+ r.run();
+ }
+}