1 /* 2 * Copyright (c) 2014, 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 /* 25 * @test 26 * @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 8028546 8188870 8173382 8173382 27 * @summary Check interpretation of -target and -source options 28 * @modules java.compiler 29 * jdk.compiler 30 * @run main Versions 31 */ 32 33 import java.io.*; 34 import java.nio.*; 35 import java.nio.channels.*; 36 37 import javax.tools.JavaCompiler; 38 import javax.tools.ToolProvider; 39 import javax.tools.JavaFileObject; 40 import javax.tools.StandardJavaFileManager; 41 import java.util.List; 42 import java.util.ArrayList; 43 import java.util.Arrays; 44 45 46 public class Versions { 47 48 protected JavaCompiler javacompiler; 49 protected int failedCases; 50 Versions()51 public Versions() throws IOException { 52 javacompiler = ToolProvider.getSystemJavaCompiler(); 53 genSourceFiles(); 54 failedCases = 0; 55 } 56 main(String... args)57 public static void main(String... args) throws IOException { 58 Versions versions = new Versions(); 59 versions.run(); 60 } 61 run()62 void run() { 63 64 String TC = ""; 65 System.out.println("Version.java: Starting"); 66 67 check("55.0"); 68 check("55.0", "-source 1.6"); 69 check("55.0", "-source 1.7"); 70 check("55.0", "-source 1.8"); 71 check("55.0", "-source 1.9"); 72 check("55.0", "-source 1.10"); 73 check("55.0", "-source 11"); 74 75 check_source_target(true, "50.0", "6", "6"); 76 check_source_target(true, "51.0", "6", "7"); 77 check_source_target(true, "51.0", "7", "7"); 78 check_source_target(true, "52.0", "6", "8"); 79 check_source_target(true, "52.0", "7", "8"); 80 check_source_target(true, "52.0", "8", "8"); 81 check_source_target(true, "53.0", "6", "9"); 82 check_source_target(true, "53.0", "7", "9"); 83 check_source_target(true, "53.0", "8", "9"); 84 check_source_target(true, "53.0", "9", "9"); 85 check_source_target(true, "54.0", "6", "10"); 86 check_source_target(true, "54.0", "7", "10"); 87 check_source_target(true, "54.0", "8", "10"); 88 check_source_target(true, "54.0", "9", "10"); 89 check_source_target(true, "54.0", "10", "10"); 90 check_source_target(false, "55.0", "6", "11"); 91 check_source_target(false, "55.0", "7", "11"); 92 check_source_target(false, "55.0", "8", "11"); 93 check_source_target(false, "55.0", "9", "11"); 94 check_source_target(false, "55.0", "10", "11"); 95 check_source_target(false, "55.0", "11", "11"); 96 97 checksrc16("-source 1.6"); 98 checksrc16("-source 6"); 99 checksrc16("-source 1.6", "-target 1.6"); 100 checksrc16("-source 6", "-target 6"); 101 checksrc17("-source 1.7"); 102 checksrc17("-source 7"); 103 checksrc17("-source 1.7", "-target 1.7"); 104 checksrc17("-source 7", "-target 7"); 105 checksrc18("-source 1.8"); 106 checksrc18("-source 8"); 107 checksrc18("-source 1.8", "-target 1.8"); 108 checksrc18("-source 8", "-target 8"); 109 checksrc19("-source 1.9"); 110 checksrc19("-source 9"); 111 checksrc19("-source 1.9", "-target 1.9"); 112 checksrc19("-source 9", "-target 9"); 113 checksrc110(); 114 checksrc110("-source 1.10"); 115 checksrc110("-source 10"); 116 checksrc110("-source 1.10", "-target 1.10"); 117 checksrc110("-source 10", "-target 10"); 118 checksrc111("-source 11"); 119 checksrc111("-source 11", "-target 11"); 120 checksrc111("-target 11"); 121 122 fail("-source 7", "-target 1.6", "Base.java"); 123 fail("-source 8", "-target 1.6", "Base.java"); 124 fail("-source 8", "-target 1.7", "Base.java"); 125 fail("-source 9", "-target 1.7", "Base.java"); 126 fail("-source 9", "-target 1.8", "Base.java"); 127 fail("-source 10", "-target 1.7", "Base.java"); 128 fail("-source 10", "-target 1.8", "Base.java"); 129 fail("-source 11", "-target 1.9", "Base.java"); 130 fail("-source 11", "-target 1.10", "Base.java"); 131 132 fail("-source 1.5", "-target 1.5", "Base.java"); 133 fail("-source 1.4", "-target 1.4", "Base.java"); 134 fail("-source 1.3", "-target 1.3", "Base.java"); 135 fail("-source 1.2", "-target 1.2", "Base.java"); 136 137 if (failedCases > 0) { 138 System.err.println("failedCases = " + String.valueOf(failedCases)); 139 throw new Error("Test failed"); 140 } 141 142 } 143 printargs(String fname,String... args)144 protected void printargs(String fname,String... args) { 145 System.out.printf("test: %s", fname); 146 for (String onearg : args) { 147 System.out.printf(" %s", onearg); 148 } 149 System.out.printf("\n", fname); 150 } 151 check_source_target(boolean dotOne, String... args)152 protected void check_source_target(boolean dotOne, String... args) { 153 printargs("check_source_target", args); 154 check_target(dotOne, args[0], args[1], args[2]); 155 if (dotOne) { 156 check_target(dotOne, args[0], "1." + args[1], args[2]); 157 } 158 } 159 check_target(boolean dotOne, String... args)160 protected void check_target(boolean dotOne, String... args) { 161 check(args[0], "-source " + args[1], "-target " + args[2]); 162 if (dotOne) { 163 check(args[0], "-source " + args[1], "-target 1." + args[2]); 164 } 165 } 166 check(String major, String... args)167 protected void check(String major, String... args) { 168 printargs("check", args); 169 List<String> jcargs = new ArrayList<>(); 170 jcargs.add("-Xlint:-options"); 171 172 // add in args conforming to List requrements of JavaCompiler 173 for (String onearg : args) { 174 String[] fields = onearg.split(" "); 175 for (String onefield : fields) { 176 jcargs.add(onefield); 177 } 178 } 179 180 boolean creturn = compile("Base.java", jcargs); 181 if (!creturn) { 182 // compilation errors note and return.. assume no class file 183 System.err.println("check: Compilation Failed"); 184 System.err.println("\t classVersion:\t" + major); 185 System.err.println("\t arguments:\t" + jcargs); 186 failedCases++; 187 188 } else if (!checkClassFileVersion("Base.class", major)) { 189 failedCases++; 190 } 191 } 192 checksrc16(String... args)193 protected void checksrc16(String... args) { 194 printargs("checksrc16", args); 195 int asize = args.length; 196 String[] newargs = new String[asize + 1]; 197 System.arraycopy(args, 0, newargs, 0, asize); 198 newargs[asize] = "Base.java"; 199 pass(newargs); 200 newargs[asize] = "New17.java"; 201 fail(newargs); 202 } 203 checksrc17(String... args)204 protected void checksrc17(String... args) { 205 printargs("checksrc17", args); 206 int asize = args.length; 207 String[] newargs = new String[asize+1]; 208 System.arraycopy(args, 0, newargs,0 , asize); 209 newargs[asize] = "New17.java"; 210 pass(newargs); 211 newargs[asize] = "New18.java"; 212 fail(newargs); 213 } 214 checksrc18(String... args)215 protected void checksrc18(String... args) { 216 printargs("checksrc18", args); 217 int asize = args.length; 218 String[] newargs = new String[asize+1]; 219 System.arraycopy(args, 0, newargs,0 , asize); 220 newargs[asize] = "New17.java"; 221 pass(newargs); 222 newargs[asize] = "New18.java"; 223 pass(newargs); 224 newargs[asize] = "New110.java"; 225 fail(newargs); 226 } 227 checksrc19(String... args)228 protected void checksrc19(String... args) { 229 printargs("checksrc19", args); 230 checksrc18(args); 231 } 232 checksrc110(String... args)233 protected void checksrc110(String... args) { 234 printargs("checksrc110", args); 235 int asize = args.length; 236 String[] newargs = new String[asize+1]; 237 System.arraycopy(args, 0, newargs,0 , asize); 238 newargs[asize] = "New17.java"; 239 pass(newargs); 240 newargs[asize] = "New18.java"; 241 pass(newargs); 242 newargs[asize] = "New110.java"; 243 pass(newargs); 244 } 245 checksrc111(String... args)246 protected void checksrc111(String... args) { 247 printargs("checksrc111", args); 248 checksrc110(args); 249 } 250 pass(String... args)251 protected void pass(String... args) { 252 printargs("pass", args); 253 254 List<String> jcargs = new ArrayList<String>(); 255 jcargs.add("-Xlint:-options"); 256 257 // add in args conforming to List requrements of JavaCompiler 258 for (String onearg : args) { 259 String[] fields = onearg.split(" "); 260 for (String onefield : fields) { 261 jcargs.add(onefield); 262 } 263 } 264 265 // empty list is error 266 if (jcargs.isEmpty()) { 267 System.err.println("error: test error in pass() - No arguments"); 268 System.err.println("\t arguments:\t" + jcargs); 269 failedCases++; 270 return; 271 } 272 273 // the last argument is the filename *.java 274 String filename = jcargs.get(jcargs.size() - 1); 275 jcargs.remove(jcargs.size() - 1); 276 277 boolean creturn = compile(filename, jcargs); 278 // expect a compilation failure, failure if otherwise 279 if (!creturn) { 280 System.err.println("pass: Compilation erroneously failed"); 281 System.err.println("\t arguments:\t" + jcargs); 282 System.err.println("\t file :\t" + filename); 283 failedCases++; 284 285 } 286 287 } 288 fail(String... args)289 protected void fail(String... args) { 290 printargs("fail", args); 291 292 List<String> jcargs = new ArrayList<String>(); 293 jcargs.add("-Xlint:-options"); 294 295 // add in args conforming to List requrements of JavaCompiler 296 for (String onearg : args) { 297 String[] fields = onearg.split(" "); 298 for (String onefield : fields) { 299 jcargs.add(onefield); 300 } 301 } 302 303 // empty list is error 304 if (jcargs.isEmpty()) { 305 System.err.println("error: test error in fail()- No arguments"); 306 System.err.println("\t arguments:\t" + jcargs); 307 failedCases++; 308 return; 309 } 310 311 // the last argument is the filename *.java 312 String filename = jcargs.get(jcargs.size() - 1); 313 jcargs.remove(jcargs.size() - 1); 314 315 boolean creturn = compile(filename, jcargs); 316 // expect a compilation failure, failure if otherwise 317 if (creturn) { 318 System.err.println("fail: Compilation erroneously succeeded"); 319 System.err.println("\t arguments:\t" + jcargs); 320 System.err.println("\t file :\t" + filename); 321 failedCases++; 322 } 323 } 324 compile(String sourceFile, List<String>options)325 protected boolean compile(String sourceFile, List<String>options) { 326 JavaCompiler.CompilationTask jctask; 327 try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) { 328 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile); 329 330 jctask = javacompiler.getTask( 331 null, // Writer 332 fm, // JavaFileManager 333 null, // DiagnosticListener 334 options, // Iterable<String> 335 null, // Iterable<String> classes 336 files); // Iterable<? extends JavaFileObject> 337 338 try { 339 return jctask.call(); 340 } catch (IllegalStateException e) { 341 System.err.println(e); 342 return false; 343 } 344 } catch (IOException e) { 345 throw new Error(e); 346 } 347 } 348 writeSourceFile(String fileName, String body)349 protected void writeSourceFile(String fileName, String body) throws IOException{ 350 try (Writer fw = new FileWriter(fileName)) { 351 fw.write(body); 352 } 353 } 354 genSourceFiles()355 protected void genSourceFiles() throws IOException{ 356 /* Create a file that executes with all supported versions. */ 357 writeSourceFile("Base.java","public class Base { }\n"); 358 359 /* 360 * Create a file with a new feature in 1.7, not in 1.6 : "<>" 361 */ 362 writeSourceFile("New17.java", 363 "import java.util.List;\n" + 364 "import java.util.ArrayList;\n" + 365 "class New17 { List<String> s = new ArrayList<>(); }\n" 366 ); 367 368 /* 369 * Create a file with a new feature in 1.8, not in 1.7 : lambda 370 */ 371 writeSourceFile("New18.java", 372 "public class New18 { \n" + 373 " void m() { \n" + 374 " new Thread(() -> { }); \n" + 375 " } \n" + 376 "} \n" 377 ); 378 379 /* 380 * Create a file with a new feature in 1.10, not in 1.9 : var 381 */ 382 writeSourceFile("New110.java", 383 "public class New110 { \n" + 384 " void m() { \n" + 385 " var tmp = new Thread(() -> { }); \n" + 386 " } \n" + 387 "} \n" 388 ); 389 390 } 391 checkClassFileVersion(String filename,String classVersionNumber)392 protected boolean checkClassFileVersion 393 (String filename,String classVersionNumber) { 394 ByteBuffer bb = ByteBuffer.allocate(1024); 395 try (FileChannel fc = new FileInputStream(filename).getChannel()) { 396 bb.clear(); 397 if (fc.read(bb) < 0) 398 throw new IOException("Could not read from file : " + filename); 399 bb.flip(); 400 int minor = bb.getShort(4); 401 int major = bb.getShort(6); 402 String fileVersion = major + "." + minor; 403 if (fileVersion.equals(classVersionNumber)) { 404 return true; 405 } else { 406 System.err.println("checkClassFileVersion : Failed"); 407 System.err.println("\tclassfile version mismatch"); 408 System.err.println("\texpected : " + classVersionNumber); 409 System.err.println("\tfound : " + fileVersion); 410 return false; 411 } 412 } 413 catch (IOException e) { 414 System.err.println("checkClassFileVersion : Failed"); 415 System.err.println("\terror :\t" + e.getMessage()); 416 System.err.println("\tfile:\tfilename"); 417 } 418 return false; 419 } 420 } 421 422