T6900149.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 6900149
 * @summary IllegalStateException when compiling same files and DiagnosticListener is set
 */

import java.io.*;
import java.util.*;
import javax.tools.*;
import javax.tools.JavaCompiler.CompilationTask;

public class T6900149 {
    public static void main(String[] args) throws IOException {
        DiagnosticCollector<JavaFileObject> diag =
                new DiagnosticCollector<JavaFileObject>();
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        StandardJavaFileManager fm =
                compiler.getStandardFileManager(null, null, null);
        File emptyFile = File.createTempFile("Empty", ".java");
        File[] files = new File[] { emptyFile, emptyFile };
        CompilationTask task = compiler.getTask(null, fm, diag,
                null, null, fm.getJavaFileObjects(files));
        if (! task.call()) {
            throw new AssertionError("compilation failed");
        }
    }
}