langtools/test/tools/javac/6410653/T6410653.java

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/**
 * @test
 * @bug     6410653 6401277
 * @summary REGRESSION: javac crashes if -d or -s argument is a file
 * @author  Peter von der Ah\u00e9
 * @modules java.compiler
 *          jdk.compiler/com.sun.tools.javac.util:open
 */

import java.lang.reflect.Field;
import java.lang.reflect.Module;
import java.io.File;
import java.io.ByteArrayOutputStream;
import javax.tools.*;

public class T6410653 {
    public static void main(String... args) throws Exception {
        File testSrc = new File(System.getProperty("test.src"));
        String source = new File(testSrc, "T6410653.java").getPath();
        Tool compiler = ToolProvider.getSystemJavaCompiler();
        Module compilerModule = compiler.getClass().getModule();
        Class<?> log = Class.forName(compilerModule, "com.sun.tools.javac.util.Log");
        Field useRawMessages = log.getDeclaredField("useRawMessages");
        useRawMessages.setAccessible(true);
        useRawMessages.setBoolean(null, true);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        compiler.run(null, null, out, "-d", source, source);
        System.err.println(">>>" + out + "<<<");
        useRawMessages.setBoolean(null, false);
        if (!out.toString().equals(String.format("%s%n",
                                                 "javac: javac.err.file.not.directory"))) {
            throw new AssertionError(out);
        }
        System.out.println("Test PASSED.  Running javac again to see localized output:");
        compiler.run(null, null, System.out, "-d", source, source);
    }
}