J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /** |
| 25 | * @test |
| 26 | * @bug 4870984 |
| 27 | * @summary JPDA: Add support for RFE 4856541 - varargs |
| 28 | * |
| 29 | * @author jjh |
| 30 | * |
| 31 | * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| 32 | * @run compile -g -source 1.5 -target 1.5 VarargsTest.java |
| 33 | * @run main VarargsTest |
| 34 | */ |
| 35 | import com.sun.jdi.*; |
| 36 | import com.sun.jdi.event.*; |
| 37 | import com.sun.jdi.request.*; |
| 38 | |
| 39 | import java.util.*; |
| 40 | |
| 41 | /********** target program **********/ |
| 42 | |
| 43 | class VarargsTarg { |
| 44 | |
| 45 | // These are args that will get passed |
| 46 | static String[] strArray = new String[] {"a", "b"}; |
| 47 | static int[] intArray = new int[] {1, 2}; |
| 48 | |
| 49 | // We will pass these to a varargs instance method |
| 50 | static VarargsTarg vt1 = new VarargsTarg("vt1", ""); |
| 51 | static VarargsTarg vt2 = new VarargsTarg("vt2", ""); |
| 52 | |
| 53 | String iname; |
| 54 | |
| 55 | VarargsTarg(String ... name) { |
| 56 | iname = ""; |
| 57 | for (int ii = 0; ii < name.length; ii++) { |
| 58 | iname += name[ii]; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | public static void main(String[] args){ |
| 63 | System.out.println("Howdy!"); |
| 64 | /* |
| 65 | * This isn't really part of the test, it just shows |
| 66 | * the kinds of calls the debugger test will do and lets |
| 67 | * you verify how javac handles these calls. |
| 68 | */ |
| 69 | System.out.println("debuggee: " + varString()); |
| 70 | System.out.println("debuggee: " + varString(null)); |
| 71 | System.out.println("debuggee: " + varString("a")); |
| 72 | System.out.println("debuggee: " + varString("b", "c")); |
| 73 | System.out.println("debuggee: " + fixedString(null)); |
| 74 | System.out.println("debuggee: " + vt1.varStringInstance(vt1, vt2)); |
| 75 | System.out.println("debuggge: " + varInt(1, 2, 3)); |
| 76 | System.out.println("debuggee: " + varInteger( new Integer(89))); |
| 77 | |
| 78 | // Should be autoboxed: javac converts the ints to Integers |
| 79 | // Needs a new method in java.lang.Integer which is only |
| 80 | // in the generics workspace. |
| 81 | System.out.println("debugggee: " + varInteger(3, 5, 6)); |
| 82 | |
| 83 | System.out.println("Goodbye from VarargsTarg!"); |
| 84 | bkpt(); |
| 85 | } |
| 86 | static void bkpt() { |
| 87 | } |
| 88 | |
| 89 | /* |
| 90 | * Define the methods to be called from the debugger |
| 91 | */ |
| 92 | static String fixedInt(int p1) { |
| 93 | return "" + p1; |
| 94 | } |
| 95 | |
| 96 | static String fixedInteger(Integer p1) { |
| 97 | return "" + p1; |
| 98 | } |
| 99 | |
| 100 | static String varInt(int... ss) { |
| 101 | String retVal = ""; |
| 102 | for (int ii = 0; ii < ss.length; ii++) { |
| 103 | retVal += ss[ii]; |
| 104 | } |
| 105 | return retVal; |
| 106 | } |
| 107 | |
| 108 | static String varInteger(Integer... ss) { |
| 109 | String retVal = ""; |
| 110 | for (int ii = 0; ii < ss.length; ii++) { |
| 111 | retVal += ss[ii]; |
| 112 | } |
| 113 | return retVal; |
| 114 | } |
| 115 | |
| 116 | static String varString(String... ss) { |
| 117 | if (ss == null) { |
| 118 | return "-null-"; |
| 119 | } |
| 120 | |
| 121 | String retVal = ""; |
| 122 | for (int ii = 0; ii < ss.length; ii++) { |
| 123 | retVal += ss[ii]; |
| 124 | } |
| 125 | return retVal; |
| 126 | } |
| 127 | |
| 128 | static String varString2(int p1, String... ss) { |
| 129 | return p1 + varString(ss); |
| 130 | } |
| 131 | |
| 132 | static String fixedString(String ss) { |
| 133 | return "-fixed-"; |
| 134 | } |
| 135 | |
| 136 | String varStringInstance(VarargsTarg... args) { |
| 137 | if (args == null) { |
| 138 | return "-null-"; |
| 139 | } |
| 140 | //System.out.println("debugee: ss length = " + ss.length); |
| 141 | String retVal = iname + ": "; |
| 142 | for (int ii = 0; ii < args.length; ii++) { |
| 143 | retVal += args[ii].iname; |
| 144 | } |
| 145 | return retVal; |
| 146 | } |
| 147 | |
| 148 | } |
| 149 | |
| 150 | /********** test program **********/ |
| 151 | |
| 152 | public class VarargsTest extends TestScaffold { |
| 153 | ClassType targetClass; |
| 154 | ThreadReference mainThread; |
| 155 | |
| 156 | VarargsTest (String args[]) { |
| 157 | super(args); |
| 158 | } |
| 159 | |
| 160 | public static void main(String[] args) throws Exception { |
| 161 | new VarargsTest(args).startTests(); |
| 162 | } |
| 163 | |
| 164 | void fail(String reason) { |
| 165 | failure(reason); |
| 166 | } |
| 167 | |
| 168 | /* |
| 169 | * Call a method in the debuggee and verify the return value. |
| 170 | */ |
| 171 | void doInvoke(Object ct, Method mm, List args, Object expected) { |
| 172 | StringReference returnValue = null; |
| 173 | try { |
| 174 | returnValue = doInvokeNoVerify(ct, mm, args); |
| 175 | } catch (Exception ee) { |
| 176 | fail("failure: invokeMethod got exception : " + ee); |
| 177 | ee.printStackTrace(); |
| 178 | return; |
| 179 | } |
| 180 | if (!returnValue.value().equals(expected)) { |
| 181 | fail("failure: expected \"" + expected + "\", got \"" + |
| 182 | returnValue.value() + "\""); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | * Call a method in the debuggee. |
| 188 | */ |
| 189 | StringReference doInvokeNoVerify(Object ct, Method mm, List args) |
| 190 | throws Exception { |
| 191 | StringReference returnValue = null; |
| 192 | if (ct instanceof ClassType) { |
| 193 | returnValue = (StringReference)((ClassType)ct). |
| 194 | invokeMethod(mainThread, mm, args, 0); |
| 195 | } else { |
| 196 | returnValue = (StringReference)((ObjectReference)ct). |
| 197 | invokeMethod(mainThread, mm, args, 0); |
| 198 | } |
| 199 | return returnValue; |
| 200 | } |
| 201 | |
| 202 | /********** test core **********/ |
| 203 | |
| 204 | protected void runTests() throws Exception { |
| 205 | /* |
| 206 | * Get to the top of main() |
| 207 | * to determine targetClass and mainThread |
| 208 | */ |
| 209 | BreakpointEvent bpe = startToMain("VarargsTarg"); |
| 210 | targetClass = (ClassType)bpe.location().declaringType(); |
| 211 | mainThread = bpe.thread(); |
| 212 | |
| 213 | /* |
| 214 | * Run past the calls the debuggee makes |
| 215 | * just to see what they do. |
| 216 | */ |
| 217 | bpe = resumeTo("VarargsTarg", "bkpt", "()V"); |
| 218 | |
| 219 | /* |
| 220 | * Find Method objects for varString and varString2 |
| 221 | * Both are tested just to show that the code works |
| 222 | * if there is just one param or if there is more than one. |
| 223 | */ |
| 224 | ReferenceType rt = findReferenceType("VarargsTarg"); |
| 225 | |
| 226 | List mList; |
| 227 | |
| 228 | /* |
| 229 | * The test consists of calling the varargs static and instance methods |
| 230 | * (and constructor) passing primitives, Strings, and Objects, and also |
| 231 | * passing arrays of the above instead of individual args. |
| 232 | * The same code is used in the underlying JDI implementations |
| 233 | * for calling instance methods, static methods, and constructors |
| 234 | * so this test doesn't have to try all possible argument configurations |
| 235 | * with each type of method. |
| 236 | */ |
| 237 | |
| 238 | mList = rt.methodsByName("varString"); |
| 239 | Method varString = (Method)mList.get(0); |
| 240 | |
| 241 | mList = rt.methodsByName("varString2"); |
| 242 | Method varString2 = (Method)mList.get(0); |
| 243 | |
| 244 | if (!varString.isVarArgs()) { |
| 245 | fail("failure: varString is not flagged as being var args"); |
| 246 | } |
| 247 | if (!varString2.isVarArgs()) { |
| 248 | fail("failure: varString2 is not flagged as being var args"); |
| 249 | } |
| 250 | |
| 251 | /* |
| 252 | * Setup arg lists for both varString and varString2 that |
| 253 | * have null in the varargs position. |
| 254 | */ |
| 255 | |
| 256 | { |
| 257 | // call varString() |
| 258 | ArrayList nullArg1 = new ArrayList(0); |
| 259 | doInvoke(targetClass, varString, nullArg1, ""); |
| 260 | } |
| 261 | { |
| 262 | // call varString(null) |
| 263 | ArrayList nullArg1 = new ArrayList(1); |
| 264 | nullArg1.add(null); |
| 265 | doInvoke(targetClass, varString, nullArg1, "-null-"); |
| 266 | } |
| 267 | { |
| 268 | // call varString(9) |
| 269 | ArrayList nullArg2 = new ArrayList(1); |
| 270 | nullArg2.add(vm().mirrorOf(9)); |
| 271 | doInvoke(targetClass, varString2, nullArg2, "9"); |
| 272 | } |
| 273 | { |
| 274 | // call varString(9, null) |
| 275 | ArrayList nullArg2 = new ArrayList(2); |
| 276 | nullArg2.add(vm().mirrorOf(9)); |
| 277 | nullArg2.add(null); |
| 278 | doInvoke(targetClass, varString2, nullArg2, "9-null-"); |
| 279 | } |
| 280 | { |
| 281 | ArrayList args1 = new ArrayList(4); |
| 282 | args1.add(vm().mirrorOf("1")); |
| 283 | |
| 284 | // call varString("1") |
| 285 | doInvoke(targetClass, varString, args1, "1"); |
| 286 | |
| 287 | // call varString("1", "2") |
| 288 | args1.add(vm().mirrorOf("2")); |
| 289 | args1.add(vm().mirrorOf("3")); |
| 290 | args1.add(vm().mirrorOf("4")); |
| 291 | doInvoke(targetClass, varString, args1, "1234"); |
| 292 | } |
| 293 | { |
| 294 | ArrayList args2 = new ArrayList(2); |
| 295 | args2.add(vm().mirrorOf(9)); |
| 296 | args2.add(vm().mirrorOf("1")); |
| 297 | |
| 298 | // call varString2(9, "1"); |
| 299 | doInvoke(targetClass, varString2, args2, "91"); |
| 300 | |
| 301 | // call varString2(9, "1", "2"); |
| 302 | args2.add(vm().mirrorOf("2")); |
| 303 | doInvoke(targetClass, varString2, args2, "912"); |
| 304 | } |
| 305 | |
| 306 | { |
| 307 | /* |
| 308 | * Passing an array of Strings should work too. |
| 309 | */ |
| 310 | Field ff = targetClass.fieldByName("strArray"); |
| 311 | Value vv1 = targetClass.getValue(ff); |
| 312 | |
| 313 | // call varString(new String[] {"a", "b"}) |
| 314 | ArrayList argsArray = new ArrayList(1); |
| 315 | argsArray.add(vv1); |
| 316 | doInvoke(targetClass, varString, argsArray, "ab"); |
| 317 | |
| 318 | /* |
| 319 | * But passing an array of Strings and another String |
| 320 | * should fail |
| 321 | */ |
| 322 | argsArray.add(vm().mirrorOf("x")); |
| 323 | boolean isOk = false; |
| 324 | try { |
| 325 | // call varString(new String[] {"a", "b"}, "x") |
| 326 | doInvokeNoVerify(targetClass, varString, argsArray); |
| 327 | } catch (Exception ee) { |
| 328 | /* |
| 329 | * Since the number of args passed is > than |
| 330 | * the number of params, JDI assumes they are var args |
| 331 | * and tries to put the array containing the "a" and |
| 332 | * "be" elements into a the first element of an array |
| 333 | * of Strings. This fails because you can't store |
| 334 | * an array into a String |
| 335 | */ |
| 336 | isOk = true; |
| 337 | //ee.printStackTrace(); |
| 338 | } |
| 339 | if (!isOk) { |
| 340 | fail("failure: an array and a String didn't cause an exception"); |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | { |
| 345 | /* |
| 346 | * Test calling instance method instead of static method, |
| 347 | * and passing non-String objects |
| 348 | */ |
| 349 | Field vtField = targetClass.fieldByName("vt1"); |
| 350 | Value vv1 = targetClass.getValue(vtField); |
| 351 | |
| 352 | vtField = targetClass.fieldByName("vt2"); |
| 353 | Value vv2 = targetClass.getValue(vtField); |
| 354 | |
| 355 | /* Create a new instance by calling the varargs |
| 356 | * ctor. |
| 357 | * call new VarargsTarg("vt3", "xx"); |
| 358 | */ |
| 359 | Value vv3; |
| 360 | { |
| 361 | mList = rt.methodsByName("<init>"); |
| 362 | Method ctor = (Method)mList.get(0); |
| 363 | if (!ctor.isVarArgs()) { |
| 364 | fail("failure: Constructor is not varargs"); |
| 365 | } |
| 366 | ArrayList argsArray = new ArrayList(2); |
| 367 | argsArray.add(vm().mirrorOf("vt3")); |
| 368 | argsArray.add(vm().mirrorOf("xx")); |
| 369 | vv3 = targetClass.newInstance(mainThread, ctor, argsArray, 0); |
| 370 | } |
| 371 | // call vt1.varStringInstance(vv1, vv2, vv3) |
| 372 | mList = rt.methodsByName("varStringInstance"); |
| 373 | Method varStringInstance = (Method)mList.get(0); |
| 374 | |
| 375 | ArrayList argsArray = new ArrayList(3); |
| 376 | argsArray.add(vv1); |
| 377 | argsArray.add(vv2); |
| 378 | argsArray.add(vv3); |
| 379 | doInvoke(vv1, varStringInstance, argsArray, "vt1: vt1vt2vt3xx"); |
| 380 | } |
| 381 | { |
| 382 | /* |
| 383 | * tests with primitive types |
| 384 | */ |
| 385 | List mlist; |
| 386 | Method mm; |
| 387 | ArrayList ll = new ArrayList(2); |
| 388 | |
| 389 | // call fixedInt(21) |
| 390 | mlist = rt.methodsByName("fixedInt"); |
| 391 | mm = (Method)mlist.get(0); |
| 392 | ll.add(vm().mirrorOf(21)); |
| 393 | doInvoke(targetClass, mm, ll, "21"); |
| 394 | |
| 395 | // autoboxing is not implemented in JDI. |
| 396 | // call fixedInteger(21) |
| 397 | //mlist = rt.methodsByName("fixedInteger"); |
| 398 | //mm = (Method)mlist.get(0); |
| 399 | //doInvoke(targetClass, mm, ll, "21"); |
| 400 | |
| 401 | mlist = rt.methodsByName("varInt"); |
| 402 | mm = (Method)mlist.get(0); |
| 403 | |
| 404 | // call varInt( new int[] {1, 2}); |
| 405 | Field ff = targetClass.fieldByName("intArray"); |
| 406 | Value vv1 = targetClass.getValue(ff); |
| 407 | ll.set(0, vv1); |
| 408 | doInvoke(targetClass, mm, ll, "12"); |
| 409 | |
| 410 | // call varInt(21, 22) |
| 411 | ll.set(0, vm().mirrorOf(21)); |
| 412 | ll.add(vm().mirrorOf(22)); |
| 413 | doInvoke(targetClass, mm, ll, "2122"); |
| 414 | |
| 415 | mlist = rt.methodsByName("varInteger"); |
| 416 | mm = (Method)mlist.get(0); |
| 417 | |
| 418 | // call varInteger(1, 2) |
| 419 | // autoboxing is not implemented. |
| 420 | //doInvoke(targetClass, mm, ll, "2122"); |
| 421 | } |
| 422 | |
| 423 | /* |
| 424 | * We don't really need this for the test, but |
| 425 | * but without it, we sometimes hit 4728096. |
| 426 | */ |
| 427 | listenUntilVMDisconnect(); |
| 428 | /* |
| 429 | * deal with results of test |
| 430 | * if anything has called failure("foo") testFailed will be true |
| 431 | */ |
| 432 | if (!testFailed) { |
| 433 | println("VarargsTest: passed"); |
| 434 | } else { |
| 435 | throw new Exception("VarargsTest: failed"); |
| 436 | } |
| 437 | } |
| 438 | } |