1 /* 2 * Copyright (c) 2018, 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 8207954 27 * @summary Verify that CreateSymbols can handle classfiles from the current release. 28 * @library /tools/lib /tools/javac/lib 29 * @modules jdk.compiler/com.sun.tools.javac.api 30 * jdk.compiler/com.sun.tools.javac.main 31 * @build toolbox.ToolBox toolbox.JavacTask toolbox.Task 32 * @run main CanHandleClassFilesTest 33 */ 34 35 import java.io.Writer; 36 import java.nio.file.Files; 37 import java.nio.file.Path; 38 import java.nio.file.Paths; 39 40 import javax.tools.StandardLocation; 41 42 import toolbox.JavacTask; 43 import toolbox.ToolBox; 44 45 public class CanHandleClassFilesTest { 46 47 public static void main(String... args) throws Exception { 48 new CanHandleClassFilesTest().run(); 49 } 50 51 void run() throws Exception { 52 var testSrc = Paths.get(System.getProperty("test.src", ".")); 53 var targetDir = Paths.get("."); 54 Path createSymbols = null; 55 Path includeList = null; 56 for (Path d = testSrc; d != null; d = d.getParent()) { 57 if (Files.exists(d.resolve("TEST.ROOT"))) { 58 d = d.getParent().getParent(); 59 Path test = d.resolve("make/langtools/src/classes/build/tools/symbolgenerator/CreateSymbols.java"); 60 if (Files.exists(test)) { 61 createSymbols = test; 62 includeList = d.resolve("make/data/symbols/include.list"); 63 break; 64 } 65 } 66 } 67 if (createSymbols == null || includeList == null || !Files.isReadable(includeList)) { 68 System.err.println("Warning: sources not found, test skipped."); 69 return ; 70 } 71 try (ToolBox.MemoryFileManager mfm = new ToolBox.MemoryFileManager()) { 72 ToolBox tb = new ToolBox(); 73 new JavacTask(tb) 74 .options("--add-exports", "jdk.jdeps/com.sun.tools.classfile=ALL-UNNAMED", 75 "--add-exports", "jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED", 76 "--add-exports", "jdk.compiler/com.sun.tools.javac.jvm=ALL-UNNAMED", 77 "--add-exports", "jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED", 78 "--add-modules", "jdk.jdeps") 79 .files(createSymbols) 80 .fileManager(mfm) 81 .run() 82 .writeAll(); 83 84 ClassLoader cl = new ClassLoader() { 85 @Override 86 protected Class<?> findClass(String name) throws ClassNotFoundException { 87 byte[] data = mfm.getFileBytes(StandardLocation.CLASS_OUTPUT, name); 88 if (data != null) { 89 return defineClass(name, data, 0, data.length); 90 } else { 91 throw new ClassNotFoundException(name); 92 } 93 } 94 }; 95 96 var createSymbolsClass = Class.forName("build.tools.symbolgenerator.CreateSymbols", false, cl); 97 var main = createSymbolsClass.getDeclaredMethod("main", String[].class); 98 var symbols = targetDir.resolve("symbols"); 99 100 try (Writer w = Files.newBufferedWriter(symbols)) {} 101 102 main.invoke(null, 103 (Object) new String[] {"build-description-incremental", 104 symbols.toAbsolutePath().toString(), 105 includeList.toAbsolutePath().toString()}); 106 107 main.invoke(null, 108 (Object) new String[] {"build-ctsym", 109 "does-not-exist", 110 symbols.toAbsolutePath().toString(), 111 targetDir.resolve("ct.sym").toAbsolutePath().toString()}); 112 } 113 } 114 115 }