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/*
* Copyright (c) 2013, 2015, 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 8009227
* @summary Certain diagnostics should not be deferred
* @modules jdk.compiler
*/
import com.sun.source.util.JavacTask;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Arrays;
import javax.tools.Diagnostic;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
public class CompletionFailure {
public static void main(String... args) throws Exception {
String SCRATCH_DIR = System.getProperty("user.dir");
JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler();
File scratchDir = new File(SCRATCH_DIR);
sourceA.dumpTo(scratchDir);
sourceB.dumpTo(scratchDir);
JavacTask ct = (JavacTask)javacTool.getTask(null, null, null,
null, null, Arrays.asList(sourceA.asJFO(scratchDir), sourceB.asJFO(scratchDir)));
ct.generate();
remove(scratchDir, "A.java");
remove(scratchDir, "B.java");
remove(scratchDir, "A.class");
sourceC.dumpTo(scratchDir);
sourceD.dumpTo(scratchDir);
DiagnosticChecker diagChecker = new DiagnosticChecker();
ct = (JavacTask)javacTool.getTask(null, null, diagChecker,
Arrays.asList("-XDrawDiagnostics", "-cp", scratchDir.getAbsolutePath()),
null, Arrays.asList(sourceC.asJFO(scratchDir), sourceD.asJFO(scratchDir)));
try {
ct.analyze();
} catch (Throwable ex) {
//ignore abort exception thrown by javac
}
if (!diagChecker.errorFound) {
throw new AssertionError("Missing diagnostic");
}
}
static void remove(File dir, String fileName) {
File fileToRemove = new File(dir, fileName);
fileToRemove.delete();
}
static class JavaSource {
String contents;
String filename;
public JavaSource(String filename, String contents) {
this.filename = filename;
this.contents = contents;
}
void dumpTo(java.io.File loc) throws Exception {
File file = new File(loc, filename);
BufferedWriter bw = new java.io.BufferedWriter(new FileWriter(file));
bw.append(contents);
bw.close();
}
SimpleJavaFileObject asJFO(java.io.File dir) {
return new SimpleJavaFileObject(new File(dir, filename).toURI(), JavaFileObject.Kind.SOURCE) {
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
return contents;
}
};
}
}
static JavaSource sourceA = new JavaSource("A.java", "public interface A { }\n");
static JavaSource sourceB = new JavaSource("B.java", "public class B implements A {\n" +
" public static Object n() { return null; }\n" +
"}\n");
static JavaSource sourceC = new JavaSource("C.java", "public class C {\n" +
" void test(B b) {\n" +
" D.m(B.n());\n" +
"} }\n");
static JavaSource sourceD = new JavaSource("D.java", "public class D {\n" +
" static void m(Object o) { }\n" +
"}\n");
static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
boolean errorFound;
public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&
diagnostic.getCode().contains("compiler.err.cant.access")) {
errorFound = true;
}
}
}
}
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