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23 
24 package nsk.jvmti.GetLocalVariableTable;
25 
26 import java.io.*;
27 
28 import nsk.share.*;
29 
30 /**
31  * This test checks that the JVMTI function <code>GetLocalVariableTable()</code>
32  * returns local variable information properly.<br>
33  * The test creates a dummy instance of tested class 'localtab004a' which
34  * must be compiled with debugging info. Then an agent part verifies
35  * the local variable table for the following methods of localtab004a:
36  * <li>constructor
37  * <li>static method statMethod()
38  * <li>instance method finMethod()
39  */
40 public class localtab004 {
41     static {
42         try {
43             System.loadLibrary("localtab004");
44         } catch (UnsatisfiedLinkError ule) {
45             System.err.println("Could not load \"localtab004\" library");
46             System.err.println("java.library.path:"
47                 + System.getProperty("java.library.path"));
48             throw ule;
49         }
50     }
51 
52     native int check(localtab004a _localtab004a);
53 
54     public static void main(String[] argv) {
55         argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
56 
57         // produce JCK-like exit status
58         System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE);
59     }
60 
61     public static int run(String argv[], PrintStream out) {
62         return new localtab004().runThis(argv, out);
63     }
64 
65     private int runThis(String argv[], PrintStream out) {
66         localtab004a _localtab004a = new localtab004a();
67 
68         return check(_localtab004a);
69     }
70 }
71 
72 /**
73  * Dummy class used only for testing local variable information in an agent.
74  */
75 class localtab004a {
76     localtab004a() {
77         int constr_i = 2;
78         long constr_l = 3487687L;
79         double constr_d = 4589.34D;
80         float constr_f = 6708.05F;
81         char constr_c = 'a';
82 
83         return;
84     }
85 
86     static double statMethod(int stat_x, int stat_y, int stat_z) {
87         double stat_j = 5.0D;
88 
89         for (int stat_i=10; stat_i>stat_z; stat_i--) {
90             stat_j += stat_x*stat_y;
91         }
checkAttr(JNIEnv * jni_env,jclass testedCls)92         return stat_j;
93     }
94 
95     final void finMethod(char fin_c, long fin_i, int fin_j, long fin_k) {
96         long fin_l = 44444L;
97 
98         do {
99             fin_j -= fin_k*(fin_l+fin_i);
100             fin_i = fin_j+fin_k;
101             if (fin_i == 123456789L)
102                 break;
103         } while (fin_i != 123456789L);
104         float fin_f = fin_i;
105     }
106 }
107