/*
* Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* questions.
*/
/*
* @test
* @bug 7118295
* @summary javac does not explicitly close -Xstdout file
* @run main StdoutCloseTest
*/
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.main.Main;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
public class StdoutCloseTest {
public static void main(String[] args) throws Exception {
new StdoutCloseTest().test();
}
static final String program = "public class Test {\n" +
" public boolean test() {\n" +
" int i;\n" +
" if (i > 0) return true;\n" +
" return false;\n" +
" }\n" +
"}\n";
public void test() throws Exception {
final String sourceName = "Test.java";
final String outName = "Test.out";
File source = new File(sourceName);
PrintWriter pw = new PrintWriter(source);
pw.write(program);
pw.flush();
pw.close();
PrintWriter log = compileClass(sourceName, outName);
File outFile = new File(outName);
if (!outFile.exists()) {
throw new Exception("Output file was not created!");
}
if (!log.checkError()) { // will return true if the stream is still open
log.close(); // Close output PrintWriter manually
throw new Exception("Output file was still open!");
}
}
public PrintWriter compileClass(String src, String out) {
List<String> options = new ArrayList<>();
options.add("-Xstdout");
options.add(out);
options.add(src);
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
Main compiler = new Main("javac", pw);
compiler.compile(options.toArray(new String[options.size()]));
pw.flush();
if (sw.getBuffer().length() > 0) {
System.err.println(sw.toString());
}
return compiler.log.getWriter(Log.WriterKind.NOTICE);
}
}