Versions.java revision 3890:05b91c7f6f9e
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 27 * @summary Check interpretation of -target and -source options 28 * @modules java.compiler 29 * jdk.compiler 30 * @run main Versions 31 */ 32 33import java.io.*; 34import java.nio.*; 35import java.nio.channels.*; 36 37import javax.tools.JavaCompiler; 38import javax.tools.ToolProvider; 39import javax.tools.JavaFileObject; 40import javax.tools.StandardJavaFileManager; 41import java.util.List; 42import java.util.ArrayList; 43import java.util.Arrays; 44 45 46public class Versions { 47 48 protected JavaCompiler javacompiler; 49 protected int failedCases; 50 51 public Versions() throws IOException { 52 javacompiler = ToolProvider.getSystemJavaCompiler(); 53 genSourceFiles(); 54 failedCases = 0; 55 } 56 57 public static void main(String... args) throws IOException { 58 Versions versions = new Versions(); 59 versions.run(); 60 } 61 62 void run() { 63 64 String TC = ""; 65 System.out.println("Version.java: Starting"); 66 67 check("53.0"); 68 check("53.0", "-source 1.6"); 69 check("53.0", "-source 1.7"); 70 check("53.0", "-source 1.8"); 71 check("53.0", "-source 1.9"); 72 check("53.0", "-source 1.10"); 73 74 check_source_target("50.0", "6", "6"); 75 check_source_target("51.0", "6", "7"); 76 check_source_target("51.0", "7", "7"); 77 check_source_target("52.0", "6", "8"); 78 check_source_target("52.0", "7", "8"); 79 check_source_target("52.0", "8", "8"); 80 check_source_target("53.0", "6", "9"); 81 check_source_target("53.0", "7", "9"); 82 check_source_target("53.0", "8", "9"); 83 check_source_target("53.0", "9", "9"); 84 check_source_target("53.0", "10", "10"); 85 86 checksrc16("-source 1.6"); 87 checksrc16("-source 6"); 88 checksrc16("-source 1.6", "-target 1.6"); 89 checksrc16("-source 6", "-target 6"); 90 checksrc17("-source 1.7"); 91 checksrc17("-source 7"); 92 checksrc17("-source 1.7", "-target 1.7"); 93 checksrc17("-source 7", "-target 7"); 94 checksrc18("-source 1.8"); 95 checksrc18("-source 8"); 96 checksrc18("-source 1.8", "-target 1.8"); 97 checksrc18("-source 8", "-target 8"); 98 checksrc19("-source 1.9"); 99 checksrc19("-source 9"); 100 checksrc19("-source 1.9", "-target 1.9"); 101 checksrc19("-source 9", "-target 9"); 102 103 checksrc110(); 104 checksrc110("-source 1.10"); 105 checksrc110("-source 10"); 106 checksrc110("-source 1.10", "-target 1.10"); 107 checksrc110("-source 10", "-target 10"); 108 checksrc110("-target 1.10"); 109 checksrc110("-target 10"); 110 111 fail("-source 7", "-target 1.6", "Base.java"); 112 fail("-source 8", "-target 1.6", "Base.java"); 113 fail("-source 8", "-target 1.7", "Base.java"); 114 fail("-source 9", "-target 1.7", "Base.java"); 115 fail("-source 9", "-target 1.8", "Base.java"); 116 fail("-source 10", "-target 1.7", "Base.java"); 117 fail("-source 10", "-target 1.8", "Base.java"); 118 119 fail("-source 1.5", "-target 1.5", "Base.java"); 120 fail("-source 1.4", "-target 1.4", "Base.java"); 121 fail("-source 1.3", "-target 1.3", "Base.java"); 122 fail("-source 1.2", "-target 1.2", "Base.java"); 123 124 if (failedCases > 0) { 125 System.err.println("failedCases = " + String.valueOf(failedCases)); 126 throw new Error("Test failed"); 127 } 128 129 } 130 131 protected void printargs(String fname,String... args) { 132 System.out.printf("test: %s", fname); 133 for (String onearg : args) { 134 System.out.printf(" %s", onearg); 135 } 136 System.out.printf("\n", fname); 137 } 138 139 protected void check_source_target(String... args) { 140 printargs("check_source_target", args); 141 check_target(args[0], args[1], args[2]); 142 check_target(args[0], "1." + args[1], args[2]); 143 } 144 145 protected void check_target(String... args) { 146 check(args[0], "-source " + args[1], "-target " + args[2]); 147 check(args[0], "-source " + args[1], "-target 1." + args[2]); 148 } 149 150 protected void check(String major, String... args) { 151 printargs("check", args); 152 List<String> jcargs = new ArrayList<String>(); 153 jcargs.add("-Xlint:-options"); 154 155 // add in args conforming to List requrements of JavaCompiler 156 for (String onearg : args) { 157 String[] fields = onearg.split(" "); 158 for (String onefield : fields) { 159 jcargs.add(onefield); 160 } 161 } 162 163 boolean creturn = compile("Base.java", jcargs); 164 if (!creturn) { 165 // compilation errors note and return.. assume no class file 166 System.err.println("check: Compilation Failed"); 167 System.err.println("\t classVersion:\t" + major); 168 System.err.println("\t arguments:\t" + jcargs); 169 failedCases++; 170 171 } else if (!checkClassFileVersion("Base.class", major)) { 172 failedCases++; 173 } 174 } 175 176 protected void checksrc16(String... args) { 177 printargs("checksrc16", args); 178 int asize = args.length; 179 String[] newargs = new String[asize + 1]; 180 System.arraycopy(args, 0, newargs, 0, asize); 181 newargs[asize] = "Base.java"; 182 pass(newargs); 183 newargs[asize] = "New17.java"; 184 fail(newargs); 185 } 186 187 protected void checksrc17(String... args) { 188 printargs("checksrc17", args); 189 int asize = args.length; 190 String[] newargs = new String[asize+1]; 191 System.arraycopy(args, 0, newargs,0 , asize); 192 newargs[asize] = "New17.java"; 193 pass(newargs); 194 newargs[asize] = "New18.java"; 195 fail(newargs); 196 } 197 198 protected void checksrc18(String... args) { 199 printargs("checksrc18", args); 200 int asize = args.length; 201 String[] newargs = new String[asize+1]; 202 System.arraycopy(args, 0, newargs,0 , asize); 203 newargs[asize] = "New17.java"; 204 pass(newargs); 205 newargs[asize] = "New18.java"; 206 pass(newargs); 207 } 208 209 protected void checksrc19(String... args) { 210 printargs("checksrc19", args); 211 checksrc18(args); 212 } 213 214 protected void checksrc110(String... args) { 215 printargs("checksrc110", args); 216 checksrc19(args); 217 } 218 219 protected void pass(String... args) { 220 printargs("pass", args); 221 222 List<String> jcargs = new ArrayList<String>(); 223 jcargs.add("-Xlint:-options"); 224 225 // add in args conforming to List requrements of JavaCompiler 226 for (String onearg : args) { 227 String[] fields = onearg.split(" "); 228 for (String onefield : fields) { 229 jcargs.add(onefield); 230 } 231 } 232 233 // empty list is error 234 if (jcargs.isEmpty()) { 235 System.err.println("error: test error in pass() - No arguments"); 236 System.err.println("\t arguments:\t" + jcargs); 237 failedCases++; 238 return; 239 } 240 241 // the last argument is the filename *.java 242 String filename = jcargs.get(jcargs.size() - 1); 243 jcargs.remove(jcargs.size() - 1); 244 245 boolean creturn = compile(filename, jcargs); 246 // expect a compilation failure, failure if otherwise 247 if (!creturn) { 248 System.err.println("pass: Compilation erroneously failed"); 249 System.err.println("\t arguments:\t" + jcargs); 250 System.err.println("\t file :\t" + filename); 251 failedCases++; 252 253 } 254 255 } 256 257 protected void fail(String... args) { 258 printargs("fail", args); 259 260 List<String> jcargs = new ArrayList<String>(); 261 jcargs.add("-Xlint:-options"); 262 263 // add in args conforming to List requrements of JavaCompiler 264 for (String onearg : args) { 265 String[] fields = onearg.split(" "); 266 for (String onefield : fields) { 267 jcargs.add(onefield); 268 } 269 } 270 271 // empty list is error 272 if (jcargs.isEmpty()) { 273 System.err.println("error: test error in fail()- No arguments"); 274 System.err.println("\t arguments:\t" + jcargs); 275 failedCases++; 276 return; 277 } 278 279 // the last argument is the filename *.java 280 String filename = jcargs.get(jcargs.size() - 1); 281 jcargs.remove(jcargs.size() - 1); 282 283 boolean creturn = compile(filename, jcargs); 284 // expect a compilation failure, failure if otherwise 285 if (creturn) { 286 System.err.println("fail: Compilation erroneously succeeded"); 287 System.err.println("\t arguments:\t" + jcargs); 288 System.err.println("\t file :\t" + filename); 289 failedCases++; 290 } 291 } 292 293 protected boolean compile(String sourceFile, List<String>options) { 294 JavaCompiler.CompilationTask jctask; 295 try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) { 296 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile); 297 298 jctask = javacompiler.getTask( 299 null, // Writer 300 fm, // JavaFileManager 301 null, // DiagnosticListener 302 options, // Iterable<String> 303 null, // Iterable<String> classes 304 files); // Iterable<? extends JavaFileObject> 305 306 try { 307 return jctask.call(); 308 } catch (IllegalStateException e) { 309 System.err.println(e); 310 return false; 311 } 312 } catch (IOException e) { 313 throw new Error(e); 314 } 315 } 316 317 protected void writeSourceFile(String fileName, String body) throws IOException{ 318 try (Writer fw = new FileWriter(fileName)) { 319 fw.write(body); 320 } 321 } 322 323 protected void genSourceFiles() throws IOException{ 324 /* Create a file that executes with all supported versions. */ 325 writeSourceFile("Base.java","public class Base { }\n"); 326 327 /* 328 * Create a file with a new feature in 1.7, not in 1.6 : "<>" 329 */ 330 writeSourceFile("New17.java", 331 "import java.util.List;\n" + 332 "import java.util.ArrayList;\n" + 333 "class New17 { List<String> s = new ArrayList<>(); }\n" 334 ); 335 336 /* 337 * Create a file with a new feature in 1.8, not in 1.7 : lambda 338 */ 339 writeSourceFile("New18.java", 340 "public class New18 { \n" + 341 " void m() { \n" + 342 " new Thread(() -> { }); \n" + 343 " } \n" + 344 "} \n" 345 ); 346 347 } 348 349 protected boolean checkClassFileVersion 350 (String filename,String classVersionNumber) { 351 ByteBuffer bb = ByteBuffer.allocate(1024); 352 try (FileChannel fc = new FileInputStream(filename).getChannel()) { 353 bb.clear(); 354 if (fc.read(bb) < 0) 355 throw new IOException("Could not read from file : " + filename); 356 bb.flip(); 357 int minor = bb.getShort(4); 358 int major = bb.getShort(6); 359 String fileVersion = major + "." + minor; 360 if (fileVersion.equals(classVersionNumber)) { 361 return true; 362 } else { 363 System.err.println("checkClassFileVersion : Failed"); 364 System.err.println("\tclassfile version mismatch"); 365 System.err.println("\texpected : " + classVersionNumber); 366 System.err.println("\tfound : " + fileVersion); 367 return false; 368 } 369 } 370 catch (IOException e) { 371 System.err.println("checkClassFileVersion : Failed"); 372 System.err.println("\terror :\t" + e.getMessage()); 373 System.err.println("\tfile:\tfilename"); 374 } 375 return false; 376 } 377} 378 379