1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *
15  *  See the License for the specific language governing permissions and
16  *  limitations under the License.
17  */
18 
19 package org.apache.harmony.jpda.tests.jdwp.Events;
20 
21 import org.apache.harmony.jpda.tests.framework.jdwp.CommandPacket;
22 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants;
23 import org.apache.harmony.jpda.tests.framework.jdwp.ParsedEvent;
24 import org.apache.harmony.jpda.tests.framework.jdwp.VmMirror;
25 import org.apache.harmony.jpda.tests.share.JPDADebuggeeSynchronizer;
26 
27 import java.util.HashSet;
28 import java.util.Set;
29 
30 /**
31  * JDWP Unit test for multiple BREAKPOINT events.
32  */
33 public class BreakpointMultipleTest extends JDWPEventTestCase {
getDebuggeeClassName()34     protected String getDebuggeeClassName() {
35         return BreakpointDebuggee.class.getName();
36     }
37 
38     /**
39      * This testcase is for BREAKPOINT event. It checks we can set
40      * multiple breakpoints at the same location.
41      * <BR>It runs BreakpointDebuggee and sets two breakpoints in the
42      * breakpointTest method, then clears both breakpoints.
43      */
testSetAndClearMultipleBreakpoint()44     public void testSetAndClearMultipleBreakpoint() {
45         logWriter.println("testSetAndClearMultipleBreakpoint started");
46 
47         synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
48 
49         // Set breakpoints.
50         long classID = getClassIDBySignature(getDebuggeeClassSignature());
51         int breakpoint1 = setBreakpoint(classID);
52         int breakpoint2 = setBreakpoint(classID);
53 
54         // Clear breakpoints
55         debuggeeWrapper.vmMirror.clearBreakpoint(breakpoint1);
56         debuggeeWrapper.vmMirror.clearBreakpoint(breakpoint2);
57 
58         // Set breakpoint again to be sure we cleared breakpoints correctly in the runtime.
59         int breakpoint3 = setBreakpoint(classID);
60         debuggeeWrapper.vmMirror.clearBreakpoint(breakpoint3);
61 
62         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
63 
64         logWriter.println("testSetAndClearMultipleBreakpoint done");
65     }
66 
67     /**
68      * This testcase is for BREAKPOINT event. It checks we can set
69      * multiple breakpoints at the same location.
70      * <BR>It runs BreakpointDebuggee and sets two breakpoints in the
71      * breakpointTest method, then checks we receive both events at
72      * the same time.
73      */
testSetMultipleBreakpoint()74     public void testSetMultipleBreakpoint() {
75         logWriter.println("testSetMultipleBreakpoint started");
76 
77         synchronizer.receiveMessage(JPDADebuggeeSynchronizer.SGNL_READY);
78 
79         // Set breakpoints.
80         long classID = getClassIDBySignature(getDebuggeeClassSignature());
81         int breakpoint1 = setBreakpoint(classID);
82         int breakpoint2 = setBreakpoint(classID);
83 
84         synchronizer.sendMessage(JPDADebuggeeSynchronizer.SGNL_CONTINUE);
85 
86         // Wait for event.
87         CommandPacket event = debuggeeWrapper.vmMirror.receiveEvent();
88 
89         // Check we received all our BREAKPOINT events at the same time.
90         ParsedEvent[] parsedEvents = ParsedEvent.parseEventPacket(event);
91         assertEquals("Invalid number of events,", 2, parsedEvents.length);
92         Set<Integer> request_ids = new HashSet<Integer>();
93         checkBreakpointEvent(parsedEvents[0], request_ids);
94         checkBreakpointEvent(parsedEvents[1], request_ids);
95         assertTrue("Breakpoint 1 is missing", request_ids.contains(breakpoint1));
96         assertTrue("Breakpoint 2 is missing", request_ids.contains(breakpoint2));
97 
98         // Clear breakpoints.
99         debuggeeWrapper.vmMirror.clearBreakpoint(breakpoint1);
100         debuggeeWrapper.vmMirror.clearBreakpoint(breakpoint2);
101 
102         // Resume debuggee so the test ends cleanly.
103         resumeDebuggee();
104 
105         logWriter.println("testSetMultipleBreakpoint done");
106     }
107 
108     /**
109      * Sets a breakpoint at the start of the "breakpointTest"
110      * method and returns its request ID.
111      */
setBreakpoint(long classID)112     private int setBreakpoint(long classID) {
113         VmMirror mirror = debuggeeWrapper.vmMirror;
114         return mirror.setBreakpointAtMethodBegin(classID, "breakpointTest");
115     }
116 
117     /**
118      * Checks the given event is a BREAKPOINT event and adds its request
119      * ID to the given request set.
120      */
checkBreakpointEvent(ParsedEvent parsedEvent, Set<Integer> request_ids)121     private void checkBreakpointEvent(ParsedEvent parsedEvent, Set<Integer> request_ids) {
122         byte eventKind = parsedEvent.getEventKind();
123         assertEquals("Invalid event kind,",
124                      JDWPConstants.EventKind.BREAKPOINT,
125                      eventKind,
126                      JDWPConstants.EventKind.getName(JDWPConstants.EventKind.BREAKPOINT),
127                      JDWPConstants.EventKind.getName(eventKind));
128         request_ids.add(parsedEvent.getRequestID());
129     }
130 }
131