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 } 45 46 private static void testLatestSupported() { 47 if (SourceVersion.latest() != RELEASE_10 || 48 SourceVersion.latestSupported() != RELEASE_10) 49 throw new RuntimeException("Unexpected release value(s) found:\n" + 50 "latest:\t" + SourceVersion.latest() + "\n" + 51 "latestSupported:\t" + SourceVersion.latestSupported()); 52 } 53 54 private static void testVersionVaryingKeywords() { 55 Map<String, SourceVersion> keyWordStart = 56 Map.of("strictfp", RELEASE_2, 57 "assert", RELEASE_4, 58 "enum", RELEASE_5, 59 "_", RELEASE_9); 60 61 for (Map.Entry<String, SourceVersion> entry : keyWordStart.entrySet()) { 62 String key = entry.getKey(); 63 SourceVersion value = entry.getValue(); 64 65 check(true, isKeyword(key), "keyword", latest()); 66 check(false, isName(key), "name", latest()); 67 68 for(SourceVersion version : SourceVersion.values()) { 69 boolean isKeyword = version.compareTo(value) >= 0; 70 71 check(isKeyword, isKeyword(key, version), "keyword", version); 72 check(!isKeyword, isName(key, version), "name", version); 73 } 74 } 75 } 76 77 private static void check(boolean result, boolean expected, 78 String message, SourceVersion version) { 79 if (result != expected) { 80 throw new RuntimeException("Unexpected " + message + "-ness of _ on " + version); 81 } 82 } 83 } | 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 69 for(SourceVersion version : SourceVersion.values()) { 70 boolean isKeyword = version.compareTo(value) >= 0; 71 72 check(isKeyword, isKeyword(key, version), "keyword", version); 73 check(!isKeyword, isName(key, version), "name", version); 74 } 75 } 76 } 77 78 private static void testRestrictedKeywords() { 79 // Restricted keywords are not full keywords 80 81 /* 82 * JLS 3.9 83 * " A further ten character sequences are restricted 84 * keywords: open, module, requires, transitive, exports, 85 * opens, to, uses, provides, and with" 86 */ 87 Set<String> restrictedKeywords = 88 Set.of("open", "module", "requires", "transitive", "exports", 89 "opens", "to", "uses", "provides", "with"); 90 91 for(String key : restrictedKeywords) { 92 for(SourceVersion version : SourceVersion.values()) { 93 check(false, isKeyword(key, version), "keyword", version); 94 check(true, isName(key, version), "name", version); 95 } 96 } 97 } 98 99 private static void check(boolean result, boolean expected, 100 String message, SourceVersion version) { 101 if (result != expected) { 102 throw new RuntimeException("Unexpected " + message + "-ness of _ on " + version); 103 } 104 } 105 } |