/*
* 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
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* questions.
*/
/*
* @test
* @bug 7026509
* @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations
*/
import java.io.*;
import java.util.*;
import javax.tools.*;
import javax.tools.JavaCompiler.CompilationTask;
import com.sun.source.util.*;
public class TestJavacTask_Multiple {
public static void main(String... args) throws Exception {
new TestJavacTask_Multiple().run();
}
final int MAX_TASKS = 3;
enum TestKind {
CALL {
int test(CompilationTask t) {
boolean ok = t.call();
if (!ok)
throw new Error("compilation failed");
return 1;
}
},
PARSE {
int test(CompilationTask t) {
try {
((JavacTask) t).parse();
return 1;
} catch (IOException ex) {
throw new Error(ex);
}
}
};
abstract int test(CompilationTask t);
}
int count;
void run() throws Exception {
JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
for (TestKind tk: TestKind.values()) {
test(comp, fm, tk);
}
int expect = TestKind.values().length * MAX_TASKS;
if (count != expect) {
throw new Exception("Unexpected number of tests completed: " + count
+ ", expected: " + expect);
}
}
void test(JavaCompiler comp, StandardJavaFileManager fm, TestKind tk) {
System.err.println("test " + tk);
File testSrc = new File(System.getProperty("test.src"));
String thisClassName = TestJavacTask_Multiple.class.getName();
Iterable<? extends JavaFileObject> files =
fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));
List<CompilationTask> tasks = new ArrayList<CompilationTask>();
for (int i = 1; i <= MAX_TASKS; i++) {
File tmpDir = new File(tk + "_" + i);
tmpDir.mkdirs();
List<String> options = Arrays.asList( "-d", tmpDir.getPath() );
CompilationTask t = comp.getTask(null, fm, null, options, null, files);
((JavacTask) t).setTaskListener(createTaskListener(tk, i));
tasks.add(t);
}
for (CompilationTask t: tasks)
count += tk.test(t);
System.err.println();
}
TaskListener createTaskListener(final TestKind tk, final int i) {
return new TaskListener() {
public void started(TaskEvent e) {
System.err.println(tk + "." + i + ": " + e + " started");
}
public void finished(TaskEvent e) {
System.err.println(tk + "." + i + ": " + e + " finished");
}
};
}
}