t6400383.java

是一款用JAVA 编写的编译器 具有很强的编译功能

/*
 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug 6400383
 * @summary directory foo.java on javac command line causes javac to crash
 */

import java.io.*;
import com.sun.tools.javac.api.*;

public class T6400383 {
    public static void main(String... args) {
	File foo = new File("foo.java");
	foo.delete(); 

	// case 1: file not found
        JavacTool tool = JavacTool.create();
	StringStream out = new StringStream();
	tool.run(null, out, out, foo.getPath());
	check(out.toString());
	

	// case 2: file is a directory
	out.clear();
	try {
	    foo.mkdir();
	    tool.run(null, out, out, foo.getPath());
	    check(out.toString());
	} finally {
	    foo.delete();
	}
    }

    private static void check(String s) {
	System.err.println(s);
	// If the compiler crashed and caught the error, it will print out
	// the "oh golly, I crashed!" message, which will contain the Java
	// name of the exception in the stack trace ... so look for the
	// string "Exception" or "Error".
	if (s.indexOf("Exception") != -1 || s.indexOf("Error") != -1)
	    throw new AssertionError("found exception");
    }

    private static class StringStream extends OutputStream {
	public void write(int i) {
	    sb.append((char) i);
	}

	void clear() {
	    sb.setLength(0);
	}

	public String toString() {
	    return sb.toString();
	}

	private StringBuilder sb = new StringBuilder();
    }
}