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 7157626 8001112 8188870 8173382 8193290 8205619 27 * @summary Test major version for all legal combinations for -source and -target 28 * @author sgoel 29 * 30 * @modules jdk.compiler 31 */ 32 33 import java.io.*; 34 import java.nio.*; 35 import java.util.*; 36 import java.util.regex.*; 37 38 public class ClassVersionChecker { 39 40 int errors; 41 String[] jdk = {"", "1.6", "1.7", "1.8", "1.9", "1.10", "11", "12"}; 42 File javaFile = null; 43 44 public static void main(String[] args) throws Throwable { 45 new ClassVersionChecker().run(); 46 } 47 48 void run() throws Exception { 49 writeTestFile(); 50 /* Rules applicable for -source and -target combinations 51 * 1. If both empty, version num is for the current release 52 * 2. If source is not empty and target is empty, version is based on source 53 * 3. If both non-empty, version is based on target 54 */ 55 56 /* -source (0=>empty,1=>1.2,...) X -target (0=>empty,1=>1.2,...) 57 * ver[0][0] => no -source or -target was given 58 * -1 => invalid combinations 59 */ 60 int[][] ver = 61 {{56, -1, -1, -1, -1, -1, -1, -1}, 62 {56, 50, 51, 52, 53, 54, 55, 56}, 63 {56, -1, 51, 52, 53, 54, 55, 56}, 64 {56, -1, -1, 52, 53, 54, 55, 56}, 65 {56, -1, -1, -1, 53, 54, 55, 56}, 66 {56, -1, -1, -1, -1, 54, 55, 56}}; 67 68 // Loop to run all possible combinations of source/target values 69 for (int i = 0; i< ver.length; i++) { 70 for (int j = 0 ; j< ver[i].length; j++) { 71 if(ver[i][j] != -1) { 72 logMsg("Index values for i = " + i + " j = " + j); 73 logMsg("Running for src = " + jdk[i] + " target = "+jdk[j] +" expected = " + ver[i][j]); 74 test(i,j, ver[i][j]); 75 } 76 } 77 } 78 79 if (errors > 0) 80 throw new Exception(errors + " errors found"); 81 } 82 83 void test (int i, int j, int expected) { 84 File classFile = compileTestFile(i, j, javaFile); 85 short majorVer = getMajorVersion(classFile); 86 checkVersion(majorVer, expected); 87 } 88 89 void writeTestFile() throws IOException { 90 javaFile = new File("Test.java"); 91 try(PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(javaFile)));) { 92 out.println("class Test { "); 93 out.println(" public void foo() { }"); 94 out.println("}"); 95 } catch (IOException ioe) { 96 error("IOException while creating Test.java" + ioe); 97 } 98 } 99 100 File compileTestFile(int i , int j, File f) { 101 int rc = -1; 102 // Src and target are empty 103 if (i == 0 && j == 0 ) { 104 rc = compile("-g", f.getPath()); 105 } else if( j == 0 ) { // target is empty 106 rc = compile("-source", jdk[i], "-g", f.getPath()); 107 } else { 108 rc = compile("-source", jdk[i], "-target", jdk[j], "-g", f.getPath()); 109 } 110 if (rc != 0) 111 throw new Error("compilation failed. rc=" + rc); 112 String path = f.getPath(); 113 return new File(path.substring(0, path.length() - 5) + ".class"); 114 } 115 116 int compile(String... args) { 117 return com.sun.tools.javac.Main.compile(args); 118 } 119 120 void logMsg (String str) { 121 System.out.println(str); 122 } 123 124 short getMajorVersion(File f) { 125 List<String> args = new ArrayList<String>(); 126 short majorVer = 0; 127 try(DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(f)));) { 128 in.readInt(); | 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 7157626 8001112 8188870 8173382 8193290 8205619 27 * @summary Test major version for all legal combinations for -source and -target 28 * @author sgoel 29 * 30 * @modules jdk.compiler 31 */ 32 33 import java.io.*; 34 import java.nio.*; 35 import java.util.*; 36 import java.util.regex.*; 37 38 public class ClassVersionChecker { 39 private static enum Version { 40 SIX("6", 50), 41 SEVEN("7", 51), 42 EIGHT("8", 52), 43 NINE("9", 53), 44 TEN("10", 54), 45 ELEVEN("11", 55), 46 TWELVE("12", 56); 47 48 private Version(String release, int classFileVer) { 49 this.release = release; 50 this.classFileVer = classFileVer; 51 } 52 private final String release; 53 private final int classFileVer; 54 55 String release() {return release;} 56 int classFileVer() {return classFileVer;} 57 } 58 59 static final Version CURRENT; 60 static { 61 Version[] versions = Version.values(); 62 int index = versions.length; 63 CURRENT = versions[index - 1]; 64 } 65 66 int errors; 67 68 File javaFile = null; 69 70 public static void main(String[] args) throws Throwable { 71 new ClassVersionChecker().run(); 72 } 73 74 void run() throws Exception { 75 writeTestFile(); 76 /* 77 * Rules applicable for -source and -target combinations: 78 * 1. If both empty, version num is for the current release 79 * 2. If source is not empty and target is empty, version is based on the current release 80 * 3. If both non-empty, version is based on target 81 */ 82 test("", "", CURRENT.classFileVer()); 83 for (Version source : Version.values()) { 84 test(source.release(), "", CURRENT.classFileVer()); // no target 85 for (Version target : Version.values()) { 86 if (target.compareTo(source) < 0) 87 continue; // Target < source not a valid set of arguments 88 else { 89 logMsg("Running for src = " + source + " target = "+ target + 90 " expected = " + target.classFileVer()); 91 test(source.release(), target.release(), target.classFileVer()); 92 } 93 } 94 } 95 96 if (errors > 0) 97 throw new Exception(errors + " errors found"); 98 } 99 100 void test (String i, String j, int expected) { 101 File classFile = compileTestFile(i, j, javaFile); 102 short majorVer = getMajorVersion(classFile); 103 checkVersion(majorVer, expected); 104 } 105 106 void writeTestFile() throws IOException { 107 javaFile = new File("Test.java"); 108 try(PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(javaFile)));) { 109 out.println("class Test { "); 110 out.println(" public void foo() { }"); 111 out.println("}"); 112 } catch (IOException ioe) { 113 error("IOException while creating Test.java" + ioe); 114 } 115 } 116 117 File compileTestFile(String i , String j, File f) { 118 int rc = -1; 119 // Src and target are empty 120 if (i.isEmpty() && j.isEmpty() ) { 121 rc = compile("-g", f.getPath()); 122 } else if( j.isEmpty()) { // target is empty 123 rc = compile("-source", i, "-g", f.getPath()); 124 } else { 125 rc = compile("-source", i, "-target", j, "-g", f.getPath()); 126 } 127 if (rc != 0) 128 throw new Error("compilation failed. rc=" + rc); 129 String path = f.getPath(); 130 return new File(path.substring(0, path.length() - 5) + ".class"); 131 } 132 133 int compile(String... args) { 134 return com.sun.tools.javac.Main.compile(args); 135 } 136 137 void logMsg (String str) { 138 System.out.println(str); 139 } 140 141 short getMajorVersion(File f) { 142 List<String> args = new ArrayList<String>(); 143 short majorVer = 0; 144 try(DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(f)));) { 145 in.readInt(); |