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 7025809 8028543 6415644 8028544 8029942
  27  * @summary Test latest, latestSupported, underscore as keyword, etc.
  28  * @author  Joseph D. Darcy
  29  * @modules java.compiler
  30  *          jdk.compiler
  31  */
  32 
  33 import java.util.*;
  34 import javax.lang.model.SourceVersion;
  35 import static javax.lang.model.SourceVersion.*;
  36 
  37 /**
  38  * Verify latest[Supported] behavior.
  39  */
  40 public class TestSourceVersion {
  41     public static void main(String... args) {
  42         testLatestSupported();
  43         testVersionVaryingKeywords();
  44         testRestrictedKeywords();
  45     }
  46 
  47     private static void testLatestSupported() {
  48         if (SourceVersion.latest() != RELEASE_10 ||
  49             SourceVersion.latestSupported() != RELEASE_10)
  50             throw new RuntimeException("Unexpected release value(s) found:\n" +
  51                                        "latest:\t" + SourceVersion.latest() + "\n" +
  52                                        "latestSupported:\t" + SourceVersion.latestSupported());
  53     }
  54 
  55     private static void testVersionVaryingKeywords() {
  56         Map<String, SourceVersion> keyWordStart =
  57             Map.of("strictfp", RELEASE_2,
  58                    "assert",   RELEASE_4,
  59                    "enum",     RELEASE_5,
  60                    "_",        RELEASE_9);
  61 
  62         for (Map.Entry<String, SourceVersion> entry : keyWordStart.entrySet()) {
  63             String key = entry.getKey();
  64             SourceVersion value = entry.getValue();
  65 
  66             check(true, isKeyword(key), "keyword", latest());
  67             check(false, isName(key),   "name",    latest());
  68 

   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 7025809 8028543 6415644 8028544 8029942 8193291
  27  * @summary Test latest, latestSupported, underscore as keyword, etc.
  28  * @author  Joseph D. Darcy
  29  * @modules java.compiler
  30  *          jdk.compiler
  31  */
  32 
  33 import java.util.*;
  34 import javax.lang.model.SourceVersion;
  35 import static javax.lang.model.SourceVersion.*;
  36 
  37 /**
  38  * Verify latest[Supported] behavior.
  39  */
  40 public class TestSourceVersion {
  41     public static void main(String... args) {
  42         testLatestSupported();
  43         testVersionVaryingKeywords();
  44         testRestrictedKeywords();
  45     }
  46 
  47     private static void testLatestSupported() {
  48         if (SourceVersion.latest() != RELEASE_11 ||
  49             SourceVersion.latestSupported() != RELEASE_10)
  50             throw new RuntimeException("Unexpected release value(s) found:\n" +
  51                                        "latest:\t" + SourceVersion.latest() + "\n" +
  52                                        "latestSupported:\t" + SourceVersion.latestSupported());
  53     }
  54 
  55     private static void testVersionVaryingKeywords() {
  56         Map<String, SourceVersion> keyWordStart =
  57             Map.of("strictfp", RELEASE_2,
  58                    "assert",   RELEASE_4,
  59                    "enum",     RELEASE_5,
  60                    "_",        RELEASE_9);
  61 
  62         for (Map.Entry<String, SourceVersion> entry : keyWordStart.entrySet()) {
  63             String key = entry.getKey();
  64             SourceVersion value = entry.getValue();
  65 
  66             check(true, isKeyword(key), "keyword", latest());
  67             check(false, isName(key),   "name",    latest());
  68