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/*
* Copyright (c) 2017, 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 8176714
* @summary javac is wrongly assuming that field JCMemberReference.overloadKind has been assigned to
* @library /tools/javac/lib
* @modules jdk.compiler/com.sun.source.util
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.code
* jdk.compiler/com.sun.tools.javac.file
* jdk.compiler/com.sun.tools.javac.tree
* jdk.compiler/com.sun.tools.javac.util
* @build DPrinter
* @run main FieldOverloadKindNotAssignedTest
*/
import java.net.URI;
import java.util.Arrays;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.util.JavacTask;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCMemberReference;
import com.sun.tools.javac.tree.TreeScanner;
import com.sun.tools.javac.util.Assert;
import com.sun.tools.javac.util.Context;
public class FieldOverloadKindNotAssignedTest {
public static void main(String... args) throws Exception {
new FieldOverloadKindNotAssignedTest().run();
}
void run() throws Exception {
Context context = new Context();
JavacFileManager.preRegister(context);
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, Arrays.asList(new JavaSource()));
Iterable<? extends CompilationUnitTree> elements = ct.parse();
ct.analyze();
Assert.check(elements.iterator().hasNext());
JCTree topLevel = (JCTree)elements.iterator().next();
new TreeScanner() {
@Override
public void visitReference(JCMemberReference tree) {
Assert.check(tree.getOverloadKind() != null);
}
}.scan(topLevel);
}
static class JavaSource extends SimpleJavaFileObject {
String source =
"import java.util.function.*;\n" +
"class Test {\n" +
" void m(Predicate<String> psi) {}\n" +
" void m(Function<String, String> fss) {}\n" +
" void foo(boolean b) {\n" +
" m(b ? s -> false : Test::g);\n" +
" }\n" +
" static boolean g(String s) { return false; }\n" +
" static boolean g(Integer i) { return false; }\n" +
"}";
public JavaSource() {
super(URI.create("myfo:/Foo.java"), JavaFileObject.Kind.SOURCE);
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return source;
}
}
}
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