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/*
* Copyright (c) 2025, 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 8347474
* @summary Verify -XDrawDiagnostics flag is picked up by JavacMessages singleton
* @library /tools/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.file
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.util:+open
*/
import java.io.PrintWriter;
import java.io.Writer;
import java.lang.reflect.Field;
import java.net.URI;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Objects;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.main.Main;
import com.sun.tools.javac.util.Context;
import com.sun.tools.javac.util.JavacMessages;
import com.sun.tools.javac.util.RawDiagnosticFormatter;
import toolbox.JavacTask;
import toolbox.TestRunner;
import toolbox.ToolBox;
public class OptionsOrderingTest extends TestRunner {
protected final ToolBox tb;
public OptionsOrderingTest() {
super(System.err);
tb = new ToolBox();
}
public void testJavacMessagesDiagFormatter() throws Exception {
// Write source file
Path dir = Paths.get(getClass().getSimpleName());
tb.writeJavaFiles(dir, "class Test { }");
// Run the compiler where we supply the Context
Context context = new Context();
JavacFileManager.preRegister(context);
Main compiler = new Main("javac", new PrintWriter(Writer.nullWriter()));
String[] args = new String[] {
"-XDrawDiagnostics",
tb.findJavaFiles(dir)[0].toString()
};
Main.Result result = compiler.compile(args, context);
// Verify field JavacMessages.diagFormatter is a RawDiagnosticFormatter
JavacMessages messages = JavacMessages.instance(context);
Field diagFormatterField = messages.getClass().getDeclaredField("diagFormatter");
diagFormatterField.setAccessible(true);
Class<?> diagFormatterClass = diagFormatterField.get(messages).getClass();
if (!Objects.equals(diagFormatterClass, RawDiagnosticFormatter.class)) {
throw new AssertionError(String.format(
"diagFormatter: expected %s but found %s",
RawDiagnosticFormatter.class, diagFormatterClass));
}
}
public static void main(String... args) throws Exception {
new OptionsOrderingTest().testJavacMessagesDiagFormatter();
}
}
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