Fri, 24 Apr 2020 03:58:51 +0100
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | /* |
aoqi@0 | 27 | * @test |
aoqi@0 | 28 | * @bug 8011181 |
aoqi@0 | 29 | * @summary javac, empty UTF8 entry generated for inner class |
aoqi@0 | 30 | */ |
aoqi@0 | 31 | |
aoqi@0 | 32 | import java.io.BufferedInputStream; |
aoqi@0 | 33 | import java.nio.file.Files; |
aoqi@0 | 34 | import java.nio.file.Path; |
aoqi@0 | 35 | import java.nio.file.Paths; |
aoqi@0 | 36 | |
aoqi@0 | 37 | import com.sun.tools.javac.util.Assert; |
aoqi@0 | 38 | import com.sun.tools.classfile.ClassFile; |
aoqi@0 | 39 | |
aoqi@0 | 40 | import static com.sun.tools.classfile.ConstantPool.CONSTANT_Utf8; |
aoqi@0 | 41 | import static com.sun.tools.classfile.ConstantPool.CONSTANT_Utf8_info; |
aoqi@0 | 42 | import static com.sun.tools.classfile.ConstantPool.CPInfo; |
aoqi@0 | 43 | |
aoqi@0 | 44 | public class EmptyUTF8ForInnerClassNameTest { |
aoqi@0 | 45 | |
aoqi@0 | 46 | public static void main(String[] args) throws Exception { |
aoqi@0 | 47 | new EmptyUTF8ForInnerClassNameTest().run(); |
aoqi@0 | 48 | } |
aoqi@0 | 49 | |
aoqi@0 | 50 | void run() throws Exception { |
aoqi@0 | 51 | checkClassFile(Paths.get(System.getProperty("test.classes"), |
aoqi@0 | 52 | this.getClass().getName() + "$1.class")); |
aoqi@0 | 53 | checkClassFile(Paths.get(System.getProperty("test.classes"), |
aoqi@0 | 54 | this.getClass().getName() + "$EnumPlusSwitch.class")); |
aoqi@0 | 55 | } |
aoqi@0 | 56 | |
aoqi@0 | 57 | void checkClassFile(final Path path) throws Exception { |
aoqi@0 | 58 | ClassFile classFile = ClassFile.read( |
aoqi@0 | 59 | new BufferedInputStream(Files.newInputStream(path))); |
aoqi@0 | 60 | for (CPInfo cpInfo : classFile.constant_pool.entries()) { |
aoqi@0 | 61 | if (cpInfo.getTag() == CONSTANT_Utf8) { |
aoqi@0 | 62 | CONSTANT_Utf8_info utf8Info = (CONSTANT_Utf8_info)cpInfo; |
aoqi@0 | 63 | Assert.check(utf8Info.value.length() > 0, |
aoqi@0 | 64 | "UTF8 with length 0 found at class " + classFile.getName()); |
aoqi@0 | 65 | } |
aoqi@0 | 66 | } |
aoqi@0 | 67 | } |
aoqi@0 | 68 | |
aoqi@0 | 69 | static class EnumPlusSwitch { |
aoqi@0 | 70 | enum E {E1} |
aoqi@0 | 71 | |
aoqi@0 | 72 | public int m (E e) { |
aoqi@0 | 73 | switch (e) { |
aoqi@0 | 74 | case E1: |
aoqi@0 | 75 | return 0; |
aoqi@0 | 76 | } |
aoqi@0 | 77 | return -1; |
aoqi@0 | 78 | } |
aoqi@0 | 79 | } |
aoqi@0 | 80 | |
aoqi@0 | 81 | } |