bf2d27c5a4
8219256: Update javac diags tests to use properties Co-authored-by: Jonathan Gibbons <jonathan.gibbons@oracle.com> Reviewed-by: jjg, jlahoda, darcy, iignatyev
93 lines
3.7 KiB
Java
93 lines
3.7 KiB
Java
/*
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* Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6330997 7025789 8000961 8188870 8193290
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* @summary javac should accept class files with major version of the next release
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* @author Wei Tao
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.comp
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.javac.util
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* @clean T1 T2
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* @compile T1.java
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* @compile T2.java
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* @run main/othervm T6330997
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*/
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import java.nio.*;
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import java.io.*;
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import java.nio.channels.*;
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import com.sun.tools.javac.api.JavacTaskImpl;
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import com.sun.tools.javac.code.ClassFinder.BadClassFile;
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import com.sun.tools.javac.code.Symtab;
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import com.sun.tools.javac.util.Names;
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import javax.tools.ToolProvider;
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public class T6330997 {
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public static void main(String... args) {
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increaseMajor("T1.class", 1);
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increaseMajor("T2.class", 2);
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javax.tools.JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
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JavacTaskImpl task = (JavacTaskImpl)tool.getTask(null, null, null, null, null, null);
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Symtab syms = Symtab.instance(task.getContext());
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Names names = Names.instance(task.getContext());
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task.ensureEntered();
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try {
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syms.enterClass(syms.unnamedModule, names.fromString("T1")).complete();
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("Failed: unexpected exception while reading class T1");
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}
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try {
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syms.enterClass(syms.unnamedModule, names.fromString("T2")).complete();
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} catch (BadClassFile e) {
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System.err.println("Passed: expected completion failure " + e.getClass().getName());
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return;
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} catch (Exception e) {
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e.printStackTrace();
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throw new RuntimeException("Failed: unexpected exception while reading class T2");
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}
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throw new RuntimeException("Failed: no error reported");
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}
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// Increase class file cfile's major version by delta
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static void increaseMajor(String cfile, int delta) {
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try (RandomAccessFile cls =
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new RandomAccessFile(new File(System.getProperty("test.classes", "."), cfile), "rw");
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FileChannel fc = cls.getChannel()) {
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ByteBuffer rbuf = ByteBuffer.allocate(2);
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fc.read(rbuf, 6);
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ByteBuffer wbuf = ByteBuffer.allocate(2);
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wbuf.putShort(0, (short)(rbuf.getShort(0) + delta));
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fc.write(wbuf, 6);
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fc.force(false);
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} catch (Exception e){
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throw new RuntimeException("Failed: unexpected exception");
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}
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}
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}
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