1 /*
2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
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 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 // THIS TEST IS LINE NUMBER SENSITIVE
25
26 /**
27 * @test
28 * @bug 4386002 4429245
29 * @summary Test fix for: Incorrect values reported for some locals of type long
30 * @author Tim Bell
31 *
32 * @run build TestScaffold VMConnection TargetListener TargetAdapter
33 * @run compile -g FetchLocals.java
34 * @run driver FetchLocals
35 */
36 import com.sun.jdi.*;
37 import com.sun.jdi.event.*;
38 import java.util.*;
39
40 class FetchLocalsDebugee {
41 public long testMethod() {
42 short s = 12345;
43 int i = 8675309;
44 boolean pt = true;
45 long w = 973230999L;
46 byte b = 0x3b;
47 long x = w * 1000L;
48 char c = '\u005A'; // 005A = "Z"
49 long y = 22;
50 float f = 6.66f;
51 double d = 7.77;
52
53 System.out.print("pt is: ");
54 System.out.println(pt);
55 System.out.print("b is: ");
56 System.out.println(b);
57 System.out.print("c is: ");
58 System.out.println(c);
59 System.out.print("s is: ");
60 System.out.println(s);
61 System.out.print("i is: ");
62 System.out.println(i);
63
64 System.out.print("w is: ");
65 System.out.print(w);
66 System.out.print(" (0x");
67 System.out.print(Long.toHexString(w));
68 System.out.println(")");
69
70 System.out.print("x is: ");
71 System.out.print(x);
72 System.out.print(" (0x");
73 System.out.print(Long.toHexString(x));
74 System.out.println(")");
75
76 System.out.print("y is: ");
77 System.out.print(y);
78 System.out.print(" (0x");
79 System.out.print(Long.toHexString(y));
80 System.out.println(")");
81
82 System.out.print("f is: ");
83 System.out.println(f);
84 System.out.print("d is: ");
85 System.out.println(d);
86 System.out.println(); // This is FetchLocals::LINE
87 if (w == 0xde00ad00be00ef00L) {
88 System.out.print ("The debugger was here. w modified to: 0x");
89 System.out.println(Long.toHexString(w));
90 } else {
91 System.out.print ("w contains : 0x");
92 System.out.println(Long.toHexString(w));
93 }
94 System.out.println();
95 return x;
96 }
97 public static void main(String[] args) {
98 System.out.print ("FetchLocalsDebugee");
99 System.out.println(" Starting up...");
100 FetchLocalsDebugee my = new FetchLocalsDebugee ();
101 long result = my.testMethod();
102 System.out.print ("testMethod() returned: ");
103 System.out.print (result);
104 System.out.print (" (0x");
105 System.out.print (Long.toHexString(result));
106 System.out.println(")");
107
108 System.out.print ("FetchLocalsDebugee");
109 System.out.println(" Shutting down...");
110 }
111 }
112
113 public class FetchLocals extends TestScaffold {
114 static final int LINE = 86;
115
116 FetchLocals (String args[]) {
117 super(args);
118 }
119
120 public static void main(String[] args)
121 throws Exception
122 {
123 new FetchLocals (args).startTests();
124 }
125
126 /** Express a 64 bit double as a hex string
127 */
128 private static String hexify(double d) {
129 long bits = Double.doubleToLongBits(d);
130 return (" (0x" + java.lang.Long.toHexString(bits) + ")");
131 }
132 /** Express a 32 bit float as a hex string
133 */
134 private static String hexify(float f) {
135 int bits = Float.floatToIntBits(f);
136 return (" (0x" + java.lang.Integer.toHexString(bits) + ")");
137 }
138
139 protected void test(String name, BooleanValue testV, boolean expectV)
140 throws Exception
141 {
142 if (testV.value() != expectV) {
143 System.out.println("Error for " + name + " = " + testV.value() +
144 " should be: " + expectV);
145 testFailed = true;
146 } else {
147 System.out.print ("Tested OK: ");
148 System.out.print (name);
149 System.out.print (" = ");
150 System.out.println(expectV);
151 }
152 }
153
154 protected void test(String name, ByteValue testV, byte expectV)
155 throws Exception
156 {
157 if (testV.value() != expectV) {
158 System.out.println("Error for " + name + " = " + testV.value() +
159 " should be: " + expectV);
160 testFailed = true;
161 } else {
162 System.out.print ("Tested OK: ");
163 System.out.print (name);
164 System.out.print (" = ");
165 System.out.println(expectV);
166 }
167 }
168
169 protected void test(String name, CharValue testV, char expectV)
170 throws Exception
171 {
172 if (testV.value() != expectV) {
173 System.out.println("Error for " + name + " = " + testV.value() +
174 " should be: " + expectV);
175 testFailed = true;
176 } else {
177 System.out.print ("Tested OK: ");
178 System.out.print (name);
179 System.out.print (" = ");
180 System.out.println(expectV);
181 }
182 }
183
184 protected void test(String name, ShortValue testV, short expectV)
185 throws Exception
186 {
187 if (testV.value() != expectV) {
188 System.out.println("Error for " + name + " = " + testV.value() +
189 " should be: " + expectV);
190 testFailed = true;
191 } else {
192 System.out.print ("Tested OK: ");
193 System.out.print (name);
194 System.out.print (" = ");
195 System.out.println(expectV);
196 }
197 }
198
199 protected void test(String name, IntegerValue testV, int expectV)
200 throws Exception
201 {
202 if (testV.value() != expectV) {
203 System.out.println("Error for " + name + " = " + testV.value() +
204 " should be: " + expectV);
205 testFailed = true;
206 } else {
207 System.out.print ("Tested OK: ");
208 System.out.print (name);
209 System.out.print (" = ");
210 System.out.println(expectV);
211 }
212 }
213
214 protected void test(String name, LongValue testV, long expectV)
215 throws Exception
216 {
217 if (testV.value() != expectV) {
218 System.out.println("Error for " + name + " = 0x" +
219 Long.toHexString(testV.value()) +
220 " should be: 0x" +
221 Long.toHexString(expectV));
222 testFailed = true;
223 } else {
224 System.out.print ("Tested OK: ");
225 System.out.print (name);
226 System.out.print (" = ");
227 System.out.println(expectV);
228 }
229 }
230
231 protected void test(String name, FloatValue testV, float expectV)
232 throws Exception
233 {
234 if (testV.value() != expectV) {
235 System.out.println("Error for " + name + " = " + testV.value() +
236 hexify(testV.value()) +
237 " should be: " + expectV +
238 hexify(expectV));
239 testFailed = true;
240 } else {
241 System.out.print ("Tested OK: ");
242 System.out.print (name);
243 System.out.print (" = ");
244 System.out.println(expectV);
245 }
246 }
247
248 protected void test(String name, DoubleValue testV, double expectV)
249 throws Exception
250 {
251 if (testV.value() != expectV) {
252 System.out.println("Error for " + name + " = " + testV.value() +
253 hexify(testV.value()) +
254 " should be: " + expectV +
255 hexify(expectV));
256 testFailed = true;
257 } else {
258 System.out.print ("Tested OK: ");
259 System.out.print (name);
260 System.out.print (" = ");
261 System.out.println(expectV);
262 }
263 }
264
265 protected void testLocalVariables (StackFrame sf)
266 throws Exception
267 {
268 /*
269 * Test values in the local method testMethod ():
270 * 1) Read current data
271 * 2) Test against the expected value
272 * 3) Set to a new value
273 * 4) Read again
274 * 5) Test against the expected value
275 */
276 LocalVariable lv = sf.visibleVariableByName("pt");
277 BooleanValue booleanV = (BooleanValue) sf.getValue(lv);
278 test("pt", booleanV, true);
279 booleanV = vm().mirrorOf(false);
280 sf.setValue(lv, booleanV);
281 booleanV = (BooleanValue) sf.getValue(lv);
282 test("pt", booleanV, false);
283
284 lv = sf.visibleVariableByName("b");
285 ByteValue byteV = (ByteValue) sf.getValue(lv);
286 byte bTmp = 0x3b;
287 test("b", byteV, bTmp);
288 bTmp = 0x7e;
289 byteV = vm().mirrorOf(bTmp);
290 sf.setValue(lv, byteV);
291 byteV = (ByteValue) sf.getValue(lv);
292 test("b", byteV, bTmp);
293
294 lv = sf.visibleVariableByName("c");
295 CharValue charV = (CharValue) sf.getValue(lv);
296 char cTmp = '\u005A';
297 test("c", charV, cTmp);
298 cTmp = 'A';
299 charV = vm().mirrorOf(cTmp);
300 sf.setValue(lv, charV);
301 charV = (CharValue) sf.getValue(lv);
302 test("c", charV, cTmp);
303
304 lv = sf.visibleVariableByName("s");
305 ShortValue shortV = (ShortValue) sf.getValue(lv);
306 short sTmp = 12345;
307 test("s", shortV, sTmp);
308 sTmp = -32766;
309 shortV = vm().mirrorOf(sTmp);
310 sf.setValue(lv, shortV);
311 shortV = (ShortValue) sf.getValue(lv);
312 test("s", shortV, sTmp);
313
314 lv = sf.visibleVariableByName("i");
315 IntegerValue integerV = (IntegerValue) sf.getValue(lv);
316 int iTmp = 8675309;
317 test("i", integerV, iTmp);
318 iTmp = -42;
319 integerV = vm().mirrorOf(iTmp);
320 sf.setValue(lv, integerV);
321 integerV = (IntegerValue) sf.getValue(lv);
322 test("i", integerV, iTmp);
323
324 lv = sf.visibleVariableByName("w");
325 LongValue longV = (LongValue) sf.getValue(lv);
326 long wTmp = 973230999L;
327 test("w", longV, wTmp);
328 wTmp = 0xde00ad00be00ef00L;
329 longV = vm().mirrorOf(wTmp);
330 sf.setValue(lv, longV);
331 longV = (LongValue) sf.getValue(lv);
332 test("w", longV, wTmp);
333
334 lv = sf.visibleVariableByName("x");
335 longV = (LongValue) sf.getValue(lv);
336 long xTmp = 973230999L * 1000L;
337 test("x", longV, xTmp);
338 xTmp = 0xca00fe00ba00be00L;
339 longV = vm().mirrorOf(xTmp);
340 sf.setValue(lv, longV);
341 longV = (LongValue) sf.getValue(lv);
342 test("x", longV, xTmp);
343
344 lv = sf.visibleVariableByName("y");
345 longV = (LongValue) sf.getValue(lv);
346 long yTmp = 22;
347 test("y", longV, yTmp);
348 yTmp = 0xdeadbeefcafebabeL;
349 longV = vm().mirrorOf(yTmp);
350 sf.setValue(lv, longV);
351 longV = (LongValue) sf.getValue(lv);
352 test("x", longV, yTmp);
353
354 lv = sf.visibleVariableByName("f");
355 FloatValue floatV = (FloatValue) sf.getValue(lv);
356 float fTmp = 6.66f;
357 test("f", floatV, fTmp);
358 fTmp = (float)java.lang.Math.PI;
359 floatV = vm().mirrorOf(fTmp);
360 sf.setValue(lv, floatV);
361 floatV = (FloatValue)sf.getValue(lv);
362 test("f", floatV, fTmp);
363
364 lv = sf.visibleVariableByName("d");
365 DoubleValue doubleV = (DoubleValue) sf.getValue(lv);
366 double dTmp = 7.77;
367 test("d", doubleV, dTmp);
368 dTmp = java.lang.Math.E;
369 doubleV = vm().mirrorOf(dTmp);
370 sf.setValue(lv, doubleV);
371 doubleV = (DoubleValue) sf.getValue(lv);
372 test("d", doubleV, dTmp);
373 }
374
375 protected void runTests()
376 throws Exception
377 {
378 startToMain("FetchLocalsDebugee");
379 /*
380 * Get to the bottom of testMethod():
381 */
382 try {
383 BreakpointEvent bpe = resumeTo("FetchLocalsDebugee", LINE);
384 /*
385 * Fetch values from fields; what did we get?
386 */
387 StackFrame sf = bpe.thread().frame(0);
388 testLocalVariables (sf);
389
390 } catch(Exception ex) {
391 ex.printStackTrace();
392 testFailed = true;
393 } finally {
394 // Allow application to complete and shut down
395 resumeToVMDisconnect();
396 }
397 if (!testFailed) {
398 System.out.println("FetchLocals: passed");
399 } else {
400 throw new Exception("FetchLocals: failed");
401 }
402 }
403 }