langtools/test/tools/javac/options/T7022337.java
author ntoda
Thu, 10 Jul 2014 13:57:27 -0700
changeset 25445 603f0c93d5c9
parent 14963 974d4423c999
child 30730 d3ce7619db2c
permissions -rw-r--r--
8011044: Remove support for 1.5 and earlier source and target options Reviewed-by: darcy, jjg Contributed-by: neil.toda@oracle.com, brian.goetz@oracle.com
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/*
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 * Copyright (c) 2011, 2014, 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 7022337
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 * @summary repeated warnings about bootclasspath not set
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 * @library /tools/javac/lib
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 * @build JavacTestingAbstractProcessor T7022337
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 * @run main T7022337
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 */
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import java.io.*;
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import java.util.*;
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import javax.annotation.processing.*;
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import javax.lang.model.element.*;
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import javax.tools.*;
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public class T7022337 extends JavacTestingAbstractProcessor {
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    public static void main(String... args) throws Exception {
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        new T7022337().run();
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    }
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    void run() throws Exception {
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        String myName = T7022337.class.getSimpleName();
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        File testSrc = new File(System.getProperty("test.src"));
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        File file = new File(testSrc, myName + ".java");
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        String out = compile(
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            "-XDrawDiagnostics",
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            "-d", ".",
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            "-processor", myName,
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            "-source", "8", // explicit use of older source value without bootclasspath
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            file.getPath());
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        int count = 0;
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        for (String line: out.split("[\r\n]+")) {
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            if (line.contains("compiler.warn.source.no.bootclasspath"))
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                count++;
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        }
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        if (count != 1)
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            throw new Exception("unexpected number of warnings found: " + count + ", expected: 1");
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    }
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    String compile(String... args) throws Exception {
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        StringWriter sw = new StringWriter();
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        PrintWriter pw = new PrintWriter(sw);
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        int rc = com.sun.tools.javac.Main.compile(args, pw);
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        pw.close();
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        String out = sw.toString();
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        if (!out.isEmpty())
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            System.err.println(out);
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        if (rc != 0)
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            throw new Exception("compilation failed unexpectedly: rc=" + rc);
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        return out;
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    }
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    // ----------
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    int round = 0;
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    @Override
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    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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        round++;
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        final int MAXROUNDS = 3;
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        if (round < MAXROUNDS)
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            generate("Gen" + round);
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        return true;
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    }
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    void generate(String name) {
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        try {
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            JavaFileObject fo = filer.createSourceFile(name);
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            Writer out = fo.openWriter();
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            try {
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                out.write("class " + name + " { }");
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            } finally {
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                out.close();
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            }
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        } catch (IOException e) {
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            throw new Error(e);
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        }
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    }
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}