1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
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23 
24 package jit.graph;
25 import java.util.*;
26 import java.lang.*;
27 import java.lang.reflect.*;
28 import nsk.share.TestFailure;
29 
30 class CGTThread extends Thread
31 {
32     private String ThreadName = null;
33     private Vector Sumation = new Vector(100000);
34     private Vector IDlist = new Vector(100000);
35 
36 
CGTThread( String name )37     CGTThread( String name )
38     {
39                 ThreadName = name;
40                 setName(name);
41     }
42 
43 
run()44     public void run()
45     {
46                 if (Globals.VERBOSE)
47                     System.out.println("\t\t" + Thread.currentThread().getName() + " started");
48                 Long numFcalls = new Long(Globals.RANDOM_LOOP - 1);
49                 Integer staticFcalls = new Integer(Globals.STATIC_LOOP);
50                 MethodData methodCallStr = Globals.nextRandomMethod();
51                 Globals.addFunctionIDToVector(methodCallStr.id, IDlist);
52                 Throwable invocationExcept = null;
53 
54                 boolean skipVerify = false;
55 
56                 try
57                 {
58                         methodCallStr.nextMethod.invoke(methodCallStr.instance, new Object []{Sumation, IDlist, numFcalls, staticFcalls});
59                 }
60                 catch (IllegalAccessException iax)
61                 {
62                         throw new TestFailure("Illegal Access Exception");
63                 }
64                 catch (InvocationTargetException itx)
65                 {
66                         System.out.println("Invocation Target Exception");
67                         invocationExcept = itx.getTargetException();
68                         System.out.println(invocationExcept);
69                         if (invocationExcept.getClass() == itx.getClass())
70                         {
71                                 System.out.println("Processing Exception Invocation Target Exception");
72                                 while (invocationExcept.getClass() == itx.getClass())
73                                         invocationExcept = ((InvocationTargetException)invocationExcept).getTargetException();
74                                 System.out.println(invocationExcept);
75                         }
76                         if (invocationExcept instanceof StackOverflowError)
77                         //StackOverFlow is not a failure
78                         {
79                                 System.out.println("Warning: stack overflow: skipping verification...");
80                                 skipVerify = true;
81                         }
82                         else if (invocationExcept instanceof OutOfMemoryError)
83                         //OutOfMemoryError is not a failure
84                         {
85                                 System.out.println("Warning: test devoured heap ;), skipping verification...");
86                                 skipVerify = true;
87                         }
88                         else
89                         {
90                                 invocationExcept.printStackTrace();
91                                 System.exit(1);
92                         }
93                 }
94 
95             if( !skipVerify )
96                 verify(Sumation, IDlist);
97     }
98 
verify(Vector Sum, Vector ID)99     void verify(Vector Sum, Vector ID)
100     {
101                 long oldsum = 0;
102                 long newsum;
103                 System.out.println(ThreadName + " has begun call stack validation");
104                 if (Sum.size() != ID.size())
105                     {
106                                 System.out.println("Vector Length's Do Not Match, VERIFY ERROR");
107                                 System.out.println("Thread Name: " + ThreadName);
108                                 throw new TestFailure("Sumation Element Count = " + Sum.size() + " ID Element Count = " +ID.size());
109                     }
110                 long vectorSize = Sum.size();
111                 while (!Sum.isEmpty())
112                     {
113                                 if (CGT.shouldFinish())
114                                 {
115                                    System.out.println(Thread.currentThread().getName() + ": skipping verification due to timeout");
116                                    return;
117                                 }
118 
119                                 newsum = ((Long)Sum.firstElement()).longValue();
120                                 Sum.removeElementAt(0);
121 
122                                 int functionID = ((Integer)ID.firstElement()).intValue();
123                                 ID.removeElementAt(0);
124 
125                                 if ((newsum - oldsum) != (functionID))
126                                     {
127                                                 System.out.println("Function Call structure invalid, VERIFY ERROR");
128                                                 System.out.println("Thread Name: " + ThreadName);
129                                                 System.out.println("Expected = " +(newsum - oldsum) + " Actual = " +functionID);
130                                                 throw new TestFailure("Test failed.");
131 //                                                System.exit(1);
132                                     }
133                                 oldsum = newsum;
134                     }
135                 Globals.decNumThreads();
136                 System.out.println(ThreadName + "'s function call structure validated succesfully ("+vectorSize+" calls validated)");
137     }
138 
139 }
140