test/jdk/com/sun/jdi/ClassesByName2Test.java
changeset 47216 71c04702a3d5
parent 44423 306c020eb154
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/com/sun/jdi/ClassesByName2Test.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2001, 2016, 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
+ * @bug 4406439 4925740
+ * @summary ClassesByName2 verifies that all the classes in the loaded class list can be found with classesByName..
+ * @author Tim Bell (based on ClassesByName by Robert Field)
+ *
+ * @modules jdk.jdi
+ *          java.desktop
+ *
+ * @run build TestScaffold VMConnection TargetListener TargetAdapter
+ * @run compile -g ClassesByName2Test.java
+ * @run driver ClassesByName2Test
+ */
+import com.sun.jdi.*;
+import com.sun.jdi.event.*;
+import com.sun.jdi.request.*;
+
+import java.util.*;
+
+    /********** target program **********/
+
+class ClassesByName2Targ {
+    static void bkpt() {
+    }
+
+    public static void main(String[] args){
+        System.out.println("Howdy!");
+        try {
+
+            Thread zero = new Thread ("ZERO") {
+                    public void run () {
+                        System.setProperty("java.awt.headless", "true");
+                        java.awt.Toolkit tk = java.awt.Toolkit.getDefaultToolkit();
+
+                    }
+                };
+
+            Thread one = new Thread ("ONE") {
+                    public void run () {
+                        try {
+                            java.security.KeyPairGenerator keyGen =
+                                java.security.KeyPairGenerator.getInstance("DSA", "SUN");
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                    }
+                };
+
+            Thread two = new Thread ("TWO") {
+                public void run () {
+                    try {
+                        String s = String.format("%02x", 0xff);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            };
+
+            two.start();
+            one.start();
+            zero.start();
+
+            try {
+                zero.join();
+                System.out.println("zero joined");
+                one.join();
+                System.out.println("one joined");
+                two.join();
+                System.out.println("two joined");
+            } catch (InterruptedException iex) {
+                iex.printStackTrace();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        bkpt();
+        System.out.println("Goodbye from ClassesByName2Targ!");
+    }
+}
+
+    /********** test program **********/
+
+public class ClassesByName2Test extends TestScaffold {
+    volatile boolean stop = false;
+
+    ClassesByName2Test (String args[]) {
+        super(args);
+    }
+
+    public void breakpointReached(BreakpointEvent event) {
+        System.out.println("Got BreakpointEvent: " + event);
+        stop = true;
+    }
+
+    public void eventSetComplete(EventSet set) {
+        // Don't resume.
+    }
+
+    public static void main(String[] args)      throws Exception {
+        new ClassesByName2Test(args).startTests();
+    }
+
+    void breakpointAtMethod(ReferenceType ref, String methodName)
+                                           throws Exception {
+        List meths = ref.methodsByName(methodName);
+        if (meths.size() != 1) {
+            throw new Exception("test error: should be one " +
+                                methodName);
+        }
+        Method meth = (Method)meths.get(0);
+        BreakpointRequest bkptReq = vm().eventRequestManager().
+            createBreakpointRequest(meth.location());
+        bkptReq.enable();
+        try {
+            addListener (this);
+        } catch (Exception ex){
+            ex.printStackTrace();
+            failure("failure: Could not add listener");
+            throw new Exception("ClassesByname2Test: failed");
+        }
+    }
+
+    protected void runTests() throws Exception {
+        BreakpointEvent bpe = startToMain("ClassesByName2Targ");
+
+        /*
+          Bug 6263966 - Don't just resume because the debuggee can
+          complete and disconnect while the following loop is
+          accessing it.
+        */
+        breakpointAtMethod(bpe.location().declaringType(), "bkpt");
+        vm().resume();
+
+        /* The test of 'stop' is so that we stop when the debuggee hits
+           the bkpt.  The 150 is so we stop if the debuggee
+           is slow (eg, -Xcomp -server) - we don't want to
+           spend all day waiting for it to get to the bkpt.
+        */
+        for (int i = 0; i < 150 && !stop; i++) {
+            List all = vm().allClasses();
+            System.out.println("\n++++ Lookup number: " + i + ".  allClasses() returned " +
+                               all.size() + " classes.");
+            for (Iterator it = all.iterator(); it.hasNext(); ) {
+                ReferenceType cls = (ReferenceType)it.next();
+                String name = cls.name();
+                List found = vm().classesByName(name);
+                if (found.contains(cls)) {
+                    //System.out.println("Found class: " + name);
+                } else {
+                    System.out.println("CLASS NOT FOUND: " + name);
+                    throw new Exception("CLASS NOT FOUND (by classesByName): " +
+                                        name);
+                }
+            }
+        }
+
+        // In case of a slow debuggee, we don't want to resume the debuggee and wait
+        // for it to complete.
+        vm().exit(0);
+
+        /*
+         * deal with results of test
+         * if anything has called failure("foo") testFailed will be true
+         */
+        if (!testFailed) {
+            println("ClassesByName2Test: passed");
+        } else {
+            throw new Exception("ClassesByName2Test: failed");
+        }
+    }
+}