/*
* Copyright (c) 2011, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6430241
* @summary Hard to disable symbol file feature through API
*/
import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.source.util.JavacTask;
import com.sun.tools.javac.api.JavacTool;
public class T6430241 {
public static void main(String... args) throws Exception {
new T6430241().run();
}
void run() throws Exception {
setup();
testCommandLine();
testSimpleAPI();
testTaskAPI();
if (errors > 0)
throw new Exception(errors + " errors found");
}
void setup() throws Exception {
classesDir = new File("classes");
classesDir.mkdirs();
emptyDir = new File("empty");
emptyDir.mkdirs();
bootClassPath = System.getProperty("sun.boot.class.path");
File srcDir = new File("src");
String test = "import sun.misc.Unsafe; class Test { }";
testFile = writeFile(srcDir, "Test.java", test);
}
//----- tests for command line invocation
void testCommandLine() throws Exception {
testCommandLine(true);
testCommandLine(true, "-Xbootclasspath/p:" + emptyDir);
testCommandLine(false, "-Xbootclasspath:" + bootClassPath);
testCommandLine(true, "-Xbootclasspath/a:" + emptyDir);
testCommandLine(false, "-XDignore.symbol.file");
System.err.println();
}
void testCommandLine(boolean expectWarnings, String... opts) throws Exception {
System.err.println("test command line: " + Arrays.asList(opts));
String[] args = initArgs(opts);
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
int rc = com.sun.tools.javac.Main.compile(args, pw);
String out = showOutput(sw.toString());
checkCompilationOK(rc);
checkOutput(out, expectWarnings);
}
//----- tests for simple API invocation
void testSimpleAPI() {
testSimpleAPI(true);
testSimpleAPI(true, "-Xbootclasspath/p:" + emptyDir);
testSimpleAPI(false, "-Xbootclasspath:" + bootClassPath);
testSimpleAPI(true, "-Xbootclasspath/a:" + emptyDir);
testSimpleAPI(false, "-XDignore.symbol.file");
System.err.println();
}
void testSimpleAPI(boolean expectWarnings, String... opts) {
System.err.println("test simple API: " + Arrays.asList(opts));
String[] args = initArgs(opts);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
JavacTool tool = JavacTool.create();
int rc = tool.run(null, null, ps, args);
String out = showOutput(baos.toString());
checkCompilationOK(rc);
checkOutput(out, expectWarnings);
}
//----- tests for CompilationTask API invocation
void testTaskAPI() throws Exception {
List<File> bcp = new ArrayList<File>();
for (String f: bootClassPath.split(File.pathSeparator)) {
if (!f.isEmpty())
bcp.add(new File(f));
}
testTaskAPI(true, null);
testTaskAPI(false, bcp);
System.err.println();
}
void testTaskAPI(boolean expectWarnings, Iterable<? extends File> pcp) throws Exception {
System.err.println("test task API: " + pcp);
JavacTool tool = JavacTool.create();
StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
if (pcp != null)
fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, pcp);
Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(testFile);
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
JavacTask task = tool.getTask(pw, fm, null, null, null, files);
boolean ok = task.call();
String out = showOutput(sw.toString());
checkCompilationOK(ok);
checkOutput(out, expectWarnings);
}
//----- utility methods
/**
* Create a file with given content.
*/
File writeFile(File dir, String path, String content) throws IOException {
File f = new File(dir, path);
f.getParentFile().mkdirs();
FileWriter out = new FileWriter(f);
try {
out.write(content);
} finally {
out.close();
}
return f;
}
/**
* Initialize args for compilation with given opts.
* @return opts -d classesDir testFile
*/
String[] initArgs(String[] opts) {
List<String> args = new ArrayList<String>();
args.addAll(Arrays.asList(opts));
args.add("-d");
args.add(classesDir.getPath());
args.add(testFile.getPath());
return args.toArray(new String[args.size()]);
}
/**
* Show output from compilation if non empty.
*/
String showOutput(String out) {
if (!out.isEmpty())
System.err.println(out);
return out;
}
/**
* Verify compilation succeeeded.
*/
void checkCompilationOK(boolean ok) {
if (!ok)
error("compilation failed");
}
/**
* Verify compilation succeeeded.
*/
void checkCompilationOK(int rc) {
if (rc != 0)
error("compilation failed, rc: " + rc);
}
/**
* Check whether output contains warnings if and only if warnings
* are expected.
*/
void checkOutput(String out, boolean expectWarnings) {
boolean foundWarnings = out.contains("warning");
if (foundWarnings) {
if (!expectWarnings)
error("unexpected warnings found");
} else {
if (expectWarnings)
error("expected warnings not found");
}
}
/**
* Report an error.
*/
void error(String msg) {
System.err.println("error: " + msg);
errors++;
}
String bootClassPath;
File classesDir;
File emptyDir;
File testFile;
int errors;
}