1/* 2 * Copyright (c) 2013, 2017, 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 */ 36import com.sun.jdi.*; 37import com.sun.jdi.event.*; 38import java.util.*; 39 40class 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 113public 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} 404