Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/6330997/T6330997.java@7909abb85562 (annotated)
test/tools/javac/6330997/T6330997.java
Wed, 14 Nov 2018 10:18:25 -0800
- author
- diazhou
- date
- Wed, 14 Nov 2018 10:18:25 -0800
- changeset 3762
- 7909abb85562
- parent 1042
- defdd98cb7ce
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
Added tag jdk8u201-b04 for changeset a7f48b9dfb82
| duke@1 | 1 | /* |
| darcy@1042 | 2 | * Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. |
| duke@1 | 8 | * |
| duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 13 | * accompanied this code). |
| duke@1 | 14 | * |
| duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 18 | * |
| ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
| ohair@554 | 21 | * questions. |
| duke@1 | 22 | */ |
| duke@1 | 23 | |
| duke@1 | 24 | /** |
| duke@1 | 25 | * @test |
| darcy@1042 | 26 | * @bug 6330997 7025789 |
| duke@1 | 27 | * @summary javac should accept class files with major version of the next release |
| duke@1 | 28 | * @author Wei Tao |
| duke@1 | 29 | * @clean T1 T2 |
| darcy@1042 | 30 | * @compile -target 8 T1.java |
| darcy@1042 | 31 | * @compile -target 8 T2.java |
| duke@1 | 32 | * @run main/othervm T6330997 |
| duke@1 | 33 | */ |
| duke@1 | 34 | |
| duke@1 | 35 | import java.nio.*; |
| duke@1 | 36 | import java.io.*; |
| duke@1 | 37 | import java.nio.channels.*; |
| duke@1 | 38 | import com.sun.tools.javac.api.JavacTaskImpl; |
| duke@1 | 39 | import com.sun.tools.javac.jvm.ClassReader.BadClassFile; |
| duke@1 | 40 | import com.sun.tools.javac.main.JavaCompiler; |
| duke@1 | 41 | import javax.tools.ToolProvider; |
| duke@1 | 42 | |
| duke@1 | 43 | public class T6330997 { |
| duke@1 | 44 | public static void main(String... args) { |
| duke@1 | 45 | increaseMajor("T1.class", 1); |
| duke@1 | 46 | increaseMajor("T2.class", 2); |
| duke@1 | 47 | javax.tools.JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
| duke@1 | 48 | JavacTaskImpl task = (JavacTaskImpl)tool.getTask(null, null, null, null, null, null); |
| duke@1 | 49 | JavaCompiler compiler = JavaCompiler.instance(task.getContext()); |
| duke@1 | 50 | try { |
| duke@1 | 51 | compiler.resolveIdent("T1").complete(); |
| duke@1 | 52 | } catch (Exception e) { |
| duke@1 | 53 | e.printStackTrace(); |
| duke@1 | 54 | throw new RuntimeException("Failed: unexpected exception while reading class T1"); |
| duke@1 | 55 | } |
| duke@1 | 56 | try { |
| duke@1 | 57 | compiler.resolveIdent("T2").complete(); |
| duke@1 | 58 | } catch (BadClassFile e) { |
| duke@1 | 59 | System.err.println("Passed: expected completion failure " + e.getClass().getName()); |
| duke@1 | 60 | return; |
| duke@1 | 61 | } catch (Exception e) { |
| duke@1 | 62 | e.printStackTrace(); |
| duke@1 | 63 | throw new RuntimeException("Failed: unexpected exception while reading class T2"); |
| duke@1 | 64 | } |
| duke@1 | 65 | throw new RuntimeException("Failed: no error reported"); |
| duke@1 | 66 | } |
| duke@1 | 67 | |
| duke@1 | 68 | // Increase class file cfile's major version by delta |
| duke@1 | 69 | static void increaseMajor(String cfile, int delta) { |
| duke@1 | 70 | try { |
| duke@1 | 71 | RandomAccessFile cls = new RandomAccessFile( |
| duke@1 | 72 | new File(System.getProperty("test.classes", "."), cfile), "rw"); |
| duke@1 | 73 | FileChannel fc = cls.getChannel(); |
| duke@1 | 74 | ByteBuffer rbuf = ByteBuffer.allocate(2); |
| duke@1 | 75 | fc.read(rbuf, 6); |
| duke@1 | 76 | ByteBuffer wbuf = ByteBuffer.allocate(2); |
| duke@1 | 77 | wbuf.putShort(0, (short)(rbuf.getShort(0) + delta)); |
| duke@1 | 78 | fc.write(wbuf, 6); |
| duke@1 | 79 | fc.force(false); |
| duke@1 | 80 | cls.close(); |
| duke@1 | 81 | } catch (Exception e){ |
| duke@1 | 82 | e.printStackTrace(); |
| duke@1 | 83 | throw new RuntimeException("Failed: unexpected exception"); |
| duke@1 | 84 | } |
| duke@1 | 85 | } |
| duke@1 | 86 | } |
