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test/langtools/tools/javac/versions/Versions.java

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  24 /*
  25  * @test
  26  * @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 8028546 8188870 8173382 8173382 8193290 8205619
  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 
  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         String LATEST_MAJOR_VERSION = "56.0";
  68         check(LATEST_MAJOR_VERSION);
  69         check(LATEST_MAJOR_VERSION, "-source 1.6");
  70         check(LATEST_MAJOR_VERSION, "-source 1.7");
  71         check(LATEST_MAJOR_VERSION, "-source 1.8");
  72         check(LATEST_MAJOR_VERSION, "-source 1.9");
  73         check(LATEST_MAJOR_VERSION, "-source 1.10");
  74         check(LATEST_MAJOR_VERSION, "-source 11");
  75         check(LATEST_MAJOR_VERSION, "-source 12");
  76 
  77         check_source_target(true, "50.0", "6", "6");
  78         check_source_target(true, "51.0", "6", "7");
  79         check_source_target(true, "51.0", "7", "7");
  80         check_source_target(true, "52.0", "6", "8");
  81         check_source_target(true, "52.0", "7", "8");
  82         check_source_target(true, "52.0", "8", "8");
  83         check_source_target(true, "53.0", "6", "9");
  84         check_source_target(true, "53.0", "7", "9");
  85         check_source_target(true, "53.0", "8", "9");
  86         check_source_target(true, "53.0", "9", "9");
  87         check_source_target(true, "54.0", "6", "10");
  88         check_source_target(true, "54.0", "7", "10");
  89         check_source_target(true, "54.0", "8", "10");
  90         check_source_target(true, "54.0", "9", "10");
  91         check_source_target(true, "54.0", "10", "10");
  92         check_source_target(false, "55.0", "6", "11");
  93         check_source_target(false, "55.0", "7", "11");
  94         check_source_target(false, "55.0", "8", "11");
  95         check_source_target(false, "55.0", "9", "11");
  96         check_source_target(false, "55.0", "10", "11");
  97         check_source_target(false, "55.0", "11", "11");
  98         check_source_target(false, "56.0", "12", "12");
  99 
 100         checksrc16("-source 1.6");
 101         checksrc16("-source 6");
 102         checksrc16("-source 1.6", "-target 1.6");
 103         checksrc16("-source 6", "-target 6");
 104         checksrc17("-source 1.7");
 105         checksrc17("-source 7");
 106         checksrc17("-source 1.7", "-target 1.7");
 107         checksrc17("-source 7", "-target 7");
 108         checksrc18("-source 1.8");
 109         checksrc18("-source 8");
 110         checksrc18("-source 1.8", "-target 1.8");
 111         checksrc18("-source 8", "-target 8");
 112         checksrc19("-source 1.9");
 113         checksrc19("-source 9");
 114         checksrc19("-source 1.9", "-target 1.9");
 115         checksrc19("-source 9", "-target 9");
 116         checksrc110();
 117         checksrc110("-source 1.10");
 118         checksrc110("-source 10");
 119         checksrc110("-source 1.10", "-target 1.10");
 120         checksrc110("-source 10", "-target 10");
 121         checksrc111("-source 11");
 122         checksrc111("-source 11", "-target 11");
 123         checksrc112("-source 12");
 124         checksrc112("-source 12", "-target 12");
 125         checksrc112("-target 12");
 126 
 127         fail("-source 7", "-target 1.6", "Base.java");
 128         fail("-source 8", "-target 1.6", "Base.java");
 129         fail("-source 8", "-target 1.7", "Base.java");
 130         fail("-source 9", "-target 1.7", "Base.java");
 131         fail("-source 9", "-target 1.8", "Base.java");
 132         fail("-source 10", "-target 1.7", "Base.java");
 133         fail("-source 10", "-target 1.8", "Base.java");
 134         fail("-source 11", "-target 1.9", "Base.java");
 135         fail("-source 11", "-target 1.10", "Base.java");
 136         fail("-source 12", "-target 1.10", "Base.java");
 137         fail("-source 12", "-target 11", "Base.java");
 138 
 139         fail("-source 1.5", "-target 1.5", "Base.java");
 140         fail("-source 1.4", "-target 1.4", "Base.java");
 141         fail("-source 1.3", "-target 1.3", "Base.java");
 142         fail("-source 1.2", "-target 1.2", "Base.java");
 143 
 144         if (failedCases > 0) {
 145             System.err.println("failedCases = " + String.valueOf(failedCases));
 146             throw new Error("Test failed");
 147         }
 148 
 149     }
 150 
 151     protected void printargs(String fname,String... args) {
 152         System.out.printf("test: %s", fname);
 153         for (String onearg : args) {
 154             System.out.printf(" %s", onearg);
 155         }
 156         System.out.printf("\n", fname);
 157     }
 158 
 159     protected void check_source_target(boolean dotOne, String... args) {
 160         printargs("check_source_target", args);
 161         check_target(dotOne, args[0], args[1], args[2]);
 162         if (dotOne) {


 235     protected void checksrc19(String... args) {
 236         printargs("checksrc19", args);
 237         checksrc18(args);
 238     }
 239 
 240     protected void checksrc110(String... args) {
 241         printargs("checksrc110", args);
 242         int asize = args.length;
 243         String[] newargs = new String[asize+1];
 244         System.arraycopy(args, 0, newargs,0 , asize);
 245         newargs[asize] = "New17.java";
 246         pass(newargs);
 247         newargs[asize] = "New18.java";
 248         pass(newargs);
 249         newargs[asize] = "New110.java";
 250         pass(newargs);
 251     }
 252 
 253     protected void checksrc111(String... args) {
 254         printargs("checksrc111", args);
 255         checksrc110(args);










 256     }
 257 
 258     protected void checksrc112(String... args) {
 259         printargs("checksrc112", args);
 260         checksrc111(args);
 261     }
 262 
 263     protected void pass(String... args) {
 264         printargs("pass", args);
 265 
 266         List<String> jcargs = new ArrayList<String>();
 267         jcargs.add("-Xlint:-options");
 268 
 269         // add in args conforming to List requrements of JavaCompiler
 270         for (String onearg : args) {
 271             String[] fields = onearg.split(" ");
 272             for (String onefield : fields) {
 273                 jcargs.add(onefield);
 274             }
 275         }


 382          */
 383         writeSourceFile("New18.java",
 384             "public class New18 { \n" +
 385             "    void m() { \n" +
 386             "    new Thread(() -> { }); \n" +
 387             "    } \n" +
 388             "} \n"
 389         );
 390 
 391         /*
 392          * Create a file with a new feature in 1.10, not in 1.9 : var
 393          */
 394         writeSourceFile("New110.java",
 395             "public class New110 { \n" +
 396             "    void m() { \n" +
 397             "    var tmp = new Thread(() -> { }); \n" +
 398             "    } \n" +
 399             "} \n"
 400         );
 401 











 402     }
 403 
 404     protected boolean checkClassFileVersion
 405         (String filename,String classVersionNumber) {
 406         ByteBuffer bb = ByteBuffer.allocate(1024);
 407         try (FileChannel fc = new FileInputStream(filename).getChannel()) {
 408             bb.clear();
 409             if (fc.read(bb) < 0)
 410                 throw new IOException("Could not read from file : " + filename);
 411             bb.flip();
 412             int minor = bb.getShort(4);
 413             int major = bb.getShort(6);
 414             String fileVersion = major + "." + minor;
 415             if (fileVersion.equals(classVersionNumber)) {
 416                 return true;
 417             } else {
 418                 System.err.println("checkClassFileVersion : Failed");
 419                 System.err.println("\tclassfile version mismatch");
 420                 System.err.println("\texpected : " + classVersionNumber);
 421                 System.err.println("\tfound    : " + fileVersion);


  24 /*
  25  * @test
  26  * @bug 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 8028546 8188870 8173382 8173382 8193290 8205619
  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 import java.util.Set;
  45 import java.util.function.BiConsumer;
  46 
  47 public class Versions {
  48 
  49     protected JavaCompiler javacompiler;
  50     protected int failedCases;
  51 
  52     public Versions() throws IOException {
  53         javacompiler = ToolProvider.getSystemJavaCompiler();
  54         genSourceFiles();
  55         failedCases = 0;
  56     }
  57 
  58     public static void main(String... args) throws IOException {
  59         Versions versions = new Versions();
  60         versions.run();
  61     }
  62 
  63     public static final Set<String> RETIRED_SOURCES =
  64         Set.of("1.2", "1.3", "1.4", "1.5");
  65 
  66     public static final Set<String> VALID_SOURCES =
  67         Set.of("1.6", "1.7", "1.8", "1.9", "1.10", "11", "12");
  68 
  69     public static final String LATEST_MAJOR_VERSION = "56.0";
  70 
  71     static enum SourceTarget {
  72         // Reminder: update switch in checksrc when adding or removing values.
  73         SIX(true,     "50.0",  "6", Versions::checksrc16),
  74         SEVEN(true,   "51.0",  "7", Versions::checksrc17),
  75         EIGHT(true,   "52.0",  "8", Versions::checksrc18),
  76         NINE(true,    "53.0",  "9", Versions::checksrc19),
  77         TEN(true,     "54.0", "10", Versions::checksrc110),
  78         ELEVEN(false, "55.0", "11", Versions::checksrc111),
  79         TWELVE(false, "56.0", "12", Versions::checksrc112);
  80 
  81         private final boolean dotOne;
  82         private final String classFileVer;
  83         private final String target;
  84         private final BiConsumer<Versions, String[]> checker;
  85 
  86         private SourceTarget(boolean dotOne, String classFileVer, String target,
  87                              BiConsumer<Versions, String[]> checker) {
  88             this.dotOne = dotOne;
  89             this.classFileVer = classFileVer;
  90             this.target = target;
  91             this.checker = checker;
  92         }
  93 
  94         public void checksrc(Versions version, String... args) {
  95             checker.accept(version, args);
  96         }
  97 
  98         public boolean dotOne() {
  99             return dotOne;
 100         }
 101 
 102         public String classFileVer() {
 103             return classFileVer;
 104         }
 105 
 106         public String target() {
 107             return target;
 108         }
 109     }
 110 
 111     void run() {
 112 
 113         String TC = "";
 114         System.out.println("Version.java: Starting");
 115 

 116         check(LATEST_MAJOR_VERSION);
 117         for (String source : VALID_SOURCES) {
 118             check(LATEST_MAJOR_VERSION, "-source " + source);
 119         }
 120         
 121         // Verify that a -source value less than a -target value is
 122         // accepted and that the resulting class files are dependent
 123         // on the target setting alone.
 124         SourceTarget[] sourceTargets = SourceTarget.values();
 125         for (int i = 0; i < sourceTargets.length; i++) {
 126             SourceTarget st = sourceTargets[i];
 127             String classFileVer = st.classFileVer();
 128             String target = st.target();
 129             boolean dotOne = st.dotOne();
 130             check_source_target(dotOne, classFileVer, target, target);
 131             for (int j = i; j > 0; j--) {
 132                 String source = sourceTargets[j].target();
 133                 check_source_target(dotOne, classFileVer, source, target);
 134             }
 135         }
 136 
 137         // Verify acceptance of different combinations of -source N,
 138         // -target N
 139         for (int i = 0; i < sourceTargets.length; i++) {
 140             SourceTarget st = sourceTargets[i];
 141             
 142             st.checksrc(this, "-source " + st.target());
 143             st.checksrc(this, "-source " + st.target(), "-target " + st.target());
 144 
 145             if (st.dotOne()) {
 146                 st.checksrc(this, "-source 1." + st.target());
 147                 st.checksrc(this, "-source 1." + st.target(), "-target 1." + st.target());
 148             }
 149 
 150             if (i == sourceTargets.length) {
 151                 // Can use -target without -source setting only for
 152                 // most recent target
 153                 st.checksrc(this, "-target " + st.target());
 154 
 155                 if (!st.classFileVer().equals(LATEST_MAJOR_VERSION)) {
 156                     throw new RuntimeException(st +
 157                                                "does not have class file version" +
 158                                                LATEST_MAJOR_VERSION);
 159                 }
 160             }
 161         }
 162 
 163         // Verify that -source N -target (N-1) is rejected
 164         for (int i = 1 /* Skip zeroth value */; i < sourceTargets.length; i++) {
 165             fail("-source " + sourceTargets[i].target(),
 166                  "-target " + sourceTargets[i-1].target(),
 167                  "Base.java");
 168         }
 169 
 170         // Previously supported source/target values
 171         for (String source  : RETIRED_SOURCES) {
 172             fail("-source " + source, "-target " + source, "Base.java");
 173         }

















 174 
 175         if (failedCases > 0) {
 176             System.err.println("failedCases = " + String.valueOf(failedCases));
 177             throw new Error("Test failed");
 178         }
 179 
 180     }
 181 
 182     protected void printargs(String fname,String... args) {
 183         System.out.printf("test: %s", fname);
 184         for (String onearg : args) {
 185             System.out.printf(" %s", onearg);
 186         }
 187         System.out.printf("\n", fname);
 188     }
 189 
 190     protected void check_source_target(boolean dotOne, String... args) {
 191         printargs("check_source_target", args);
 192         check_target(dotOne, args[0], args[1], args[2]);
 193         if (dotOne) {


 266     protected void checksrc19(String... args) {
 267         printargs("checksrc19", args);
 268         checksrc18(args);
 269     }
 270 
 271     protected void checksrc110(String... args) {
 272         printargs("checksrc110", args);
 273         int asize = args.length;
 274         String[] newargs = new String[asize+1];
 275         System.arraycopy(args, 0, newargs,0 , asize);
 276         newargs[asize] = "New17.java";
 277         pass(newargs);
 278         newargs[asize] = "New18.java";
 279         pass(newargs);
 280         newargs[asize] = "New110.java";
 281         pass(newargs);
 282     }
 283 
 284     protected void checksrc111(String... args) {
 285         printargs("checksrc111", args);
 286         int asize = args.length;
 287         String[] newargs = new String[asize+1];
 288         System.arraycopy(args, 0, newargs,0 , asize);
 289         newargs[asize] = "New17.java";
 290         pass(newargs);
 291         newargs[asize] = "New18.java";
 292         pass(newargs);
 293         newargs[asize] = "New110.java";
 294         pass(newargs);
 295         newargs[asize] = "New111.java";
 296         pass(newargs);
 297     }
 298 
 299     protected void checksrc112(String... args) {
 300         printargs("checksrc112", args);
 301         checksrc111(args);
 302     }
 303 
 304     protected void pass(String... args) {
 305         printargs("pass", args);
 306 
 307         List<String> jcargs = new ArrayList<String>();
 308         jcargs.add("-Xlint:-options");
 309 
 310         // add in args conforming to List requrements of JavaCompiler
 311         for (String onearg : args) {
 312             String[] fields = onearg.split(" ");
 313             for (String onefield : fields) {
 314                 jcargs.add(onefield);
 315             }
 316         }


 423          */
 424         writeSourceFile("New18.java",
 425             "public class New18 { \n" +
 426             "    void m() { \n" +
 427             "    new Thread(() -> { }); \n" +
 428             "    } \n" +
 429             "} \n"
 430         );
 431 
 432         /*
 433          * Create a file with a new feature in 1.10, not in 1.9 : var
 434          */
 435         writeSourceFile("New110.java",
 436             "public class New110 { \n" +
 437             "    void m() { \n" +
 438             "    var tmp = new Thread(() -> { }); \n" +
 439             "    } \n" +
 440             "} \n"
 441         );
 442 
 443         /*
 444          * Create a file with a new feature in 11, not in 10 : var for lambda parameters
 445          */
 446         writeSourceFile("New111.java",
 447             "public class New111 { \n" +
 448             "    static java.util.function.Function<String,String> f = (var x) -> x.substring(0);\n" +
 449             "    void m(String name) { \n" +
 450             "    var tmp = new Thread(() -> { }, f.apply(name)); \n" +
 451             "    } \n" +
 452             "} \n"
 453         );
 454     }
 455 
 456     protected boolean checkClassFileVersion
 457         (String filename,String classVersionNumber) {
 458         ByteBuffer bb = ByteBuffer.allocate(1024);
 459         try (FileChannel fc = new FileInputStream(filename).getChannel()) {
 460             bb.clear();
 461             if (fc.read(bb) < 0)
 462                 throw new IOException("Could not read from file : " + filename);
 463             bb.flip();
 464             int minor = bb.getShort(4);
 465             int major = bb.getShort(6);
 466             String fileVersion = major + "." + minor;
 467             if (fileVersion.equals(classVersionNumber)) {
 468                 return true;
 469             } else {
 470                 System.err.println("checkClassFileVersion : Failed");
 471                 System.err.println("\tclassfile version mismatch");
 472                 System.err.println("\texpected : " + classVersionNumber);
 473                 System.err.println("\tfound    : " + fileVersion);
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