6956638: JavacTask.generate does not generate all required files

Wed, 16 Jun 2010 16:23:27 -0700

author
jjg
date
Wed, 16 Jun 2010 16:23:27 -0700
changeset 585
0840dd65b9e2
parent 584
d1ea43cb71c1
child 587
e2b845fdc437

6956638: JavacTask.generate does not generate all required files
Reviewed-by: darcy
Contributed-by: joshuamaurice@gmail.com

test/tools/javac/T6956638.java file | annotate | diff | comparison | revisions
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/T6956638.java	Wed Jun 16 16:23:27 2010 -0700
     1.3 @@ -0,0 +1,156 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +import java.io.BufferedWriter;
    1.28 +import java.io.File;
    1.29 +import java.io.FileWriter;
    1.30 +import java.io.IOException;
    1.31 +import java.io.StringWriter;
    1.32 +import java.util.Arrays;
    1.33 +import java.util.Iterator;
    1.34 +import java.util.List;
    1.35 +
    1.36 +import javax.lang.model.element.Element;
    1.37 +import javax.tools.DiagnosticCollector;
    1.38 +import javax.tools.JavaCompiler;
    1.39 +import javax.tools.JavaFileObject;
    1.40 +import javax.tools.StandardJavaFileManager;
    1.41 +import javax.tools.ToolProvider;
    1.42 +
    1.43 +import com.sun.source.tree.CompilationUnitTree;
    1.44 +import com.sun.source.util.JavacTask;
    1.45 +
    1.46 +/**
    1.47 + * @test
    1.48 + * @bug 6956638
    1.49 + * @summary JavacTask.generate does not generate all required files
    1.50 + */
    1.51 +public class T6956638 {
    1.52 +    public static void main(String[] args) throws Exception {
    1.53 +        new T6956638().run();
    1.54 +    }
    1.55 +
    1.56 +    void run() throws Exception {
    1.57 +        File srcDir = new File("src");
    1.58 +
    1.59 +        File[] files = {
    1.60 +            writeFile(new File(srcDir, "T1.java"),
    1.61 +                "public class T1 extends T2 {}\n"),
    1.62 +            writeFile(new File(srcDir, "T2.java"),
    1.63 +                "public class T2 extends T3 {}\n"),
    1.64 +            writeFile(new File(srcDir, "T3.java"),
    1.65 +                "public class T3 { public static final int C = 1; }\n"),
    1.66 +            writeFile(new File(srcDir, "Test.java"),
    1.67 +                "public class Test { public static final int D = T1.C; }\n")
    1.68 +        };
    1.69 +
    1.70 +        for (File f1: files) {
    1.71 +            for (File f2: files) {
    1.72 +                if (f2 == f1) continue;
    1.73 +                for (File f3: files) {
    1.74 +                    if (f3 == f2 || f3 == f1) continue;
    1.75 +                    for (File f4: files) {
    1.76 +                        if (f4 == f3 || f4 == f2 || f4 == f1) continue;
    1.77 +                        try {
    1.78 +                            test(f1, f2, f3, f4);
    1.79 +                        } catch (Exception e) {
    1.80 +                            error(e);
    1.81 +                        }
    1.82 +                    }
    1.83 +                }
    1.84 +            }
    1.85 +        }
    1.86 +
    1.87 +        if (errors > 0)
    1.88 +            throw new Exception(errors + " tests failed");
    1.89 +    }
    1.90 +
    1.91 +    void test(File... sourceFiles) throws Exception {
    1.92 +        System.err.println("Test " + (++count) + ": " + Arrays.asList(sourceFiles));
    1.93 +
    1.94 +        File classesDir = new File("classes" + count);
    1.95 +        classesDir.mkdirs();
    1.96 +
    1.97 +        StringWriter compilerOutputStream = new StringWriter();
    1.98 +
    1.99 +        List<String> compileOptions = Arrays.asList("-d", classesDir.getPath());
   1.100 +        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
   1.101 +        DiagnosticCollector<JavaFileObject> diagnosticCollector = new DiagnosticCollector<JavaFileObject>();
   1.102 +        StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnosticCollector, null, null);
   1.103 +        Iterable<? extends JavaFileObject> sourceFileObjects = fileManager.getJavaFileObjects(sourceFiles);
   1.104 +        System.err.println("1- javac given java source JavaFileObjects " + sourceFileObjects);
   1.105 +        JavaCompiler.CompilationTask task = compiler.getTask(compilerOutputStream, fileManager, null, compileOptions, null, sourceFileObjects);
   1.106 +        JavacTask javacTask = (JavacTask) task;
   1.107 +
   1.108 +        Iterable<? extends CompilationUnitTree> parsedTrees = javacTask.parse();
   1.109 +        Iterable<? extends Element> analyzedTrees = javacTask.analyze();
   1.110 +        Iterable<? extends JavaFileObject> generatedFiles = javacTask.generate();
   1.111 +
   1.112 +        System.err.println("2- parsed:" + size(parsedTrees) + " analysed:" + size(analyzedTrees) + " generated:" + size(generatedFiles));
   1.113 +
   1.114 +        System.err.print("3-");
   1.115 +        for (JavaFileObject f : generatedFiles)
   1.116 +            System.err.print(" " + f);
   1.117 +        System.err.println("");
   1.118 +
   1.119 +        System.err.print("5-");
   1.120 +        for (File f : classesDir.listFiles())
   1.121 +            System.err.print(" " + f);
   1.122 +        System.err.println("");
   1.123 +
   1.124 +        System.err.println("----");
   1.125 +        System.err.println(compilerOutputStream.toString());
   1.126 +
   1.127 +        if (size(generatedFiles) != size(parsedTrees)) {
   1.128 +            throw new Exception("wrong number of files generated: " + size(generatedFiles)
   1.129 +                    + " expected: " + size(parsedTrees));
   1.130 +        }
   1.131 +    }
   1.132 +
   1.133 +    private void error(Throwable t) {
   1.134 +        t.printStackTrace();
   1.135 +        errors++;
   1.136 +    }
   1.137 +
   1.138 +    int count;
   1.139 +    int errors;
   1.140 +
   1.141 +    private static <E> int size(Iterable<E> x) {
   1.142 +        int n = 0;
   1.143 +        for (Iterator<E> iter = x.iterator(); iter.hasNext(); ++n)
   1.144 +            iter.next();
   1.145 +        return n;
   1.146 +    }
   1.147 +
   1.148 +    private static File writeFile(File f, String str) throws IOException {
   1.149 +        f.getParentFile().mkdirs();
   1.150 +        BufferedWriter fout = new BufferedWriter(new FileWriter(f));
   1.151 +        try {
   1.152 +            fout.write(str);
   1.153 +            fout.flush();
   1.154 +        } finally {
   1.155 +            fout.close();
   1.156 +        }
   1.157 +        return f;
   1.158 +    }
   1.159 +}

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