jdk-24/test/langtools/tools/javac/api/TestGetScopeErrors.java
Jan Lahoda d24296edf4 8223443: Calling Trees.getScope early changes names of local/anonymous classes
Ensure Trees.getScope does not affect the rest of the compilation.

Reviewed-by: mcimadamore
2019-07-09 09:20:04 +02:00

132 lines
4.7 KiB
Java

/*
* Copyright (c) 2019, 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 8223443
* @summary Verify errors are not reported when computing Scopes.
* @modules jdk.compiler
*/
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.tools.Diagnostic;
import javax.tools.DiagnosticListener;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
import static javax.tools.JavaFileObject.Kind.SOURCE;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.Tree;
import com.sun.source.util.JavacTask;
import com.sun.source.util.TaskEvent;
import com.sun.source.util.TaskListener;
import com.sun.source.util.TreePath;
import com.sun.source.util.TreePathScanner;
import com.sun.source.util.Trees;
public class TestGetScopeErrors {
public static void main(String... args) throws IOException {
new TestGetScopeErrors().run();
}
void run() throws IOException {
JavaCompiler c = ToolProvider.getSystemJavaCompiler();
String code =
"public class Test {" +
" private Object obj = new Object() {" +
" private Unresolvable u;" +
" };" +
" void test() {" +
" new Object() {" +
" private Unresolvable u;" +
" };" +
" }" +
"}";
class MyFileObject extends SimpleJavaFileObject {
MyFileObject() {
super(URI.create("myfo:///Test.java"), SOURCE);
}
@Override
public String getCharContent(boolean ignoreEncodingErrors) {
return code;
}
}
AtomicBoolean enterDone = new AtomicBoolean();
List<String> errors = new ArrayList<>();
DiagnosticListener<JavaFileObject> noErrors = d -> {
if (!enterDone.get() && d.getKind() == Diagnostic.Kind.ERROR) {
throw new AssertionError(d.toString());
}
errors.add(d.getSource().getName() + ":" +
d.getPosition() + ":" +
d.getCode());
};
JavacTask t =
(JavacTask) c.getTask(null, null, noErrors,
Arrays.asList("-XDrawDiagnostics"),
null, List.of(new MyFileObject()));
CompilationUnitTree cut = t.parse().iterator().next();
Trees trees = Trees.instance(t);
t.addTaskListener(new TaskListener() {
@Override
public void finished(TaskEvent e) {
if (e.getKind() == TaskEvent.Kind.ENTER) {
new TreePathScanner<Void, Void>() {
@Override
public Void scan(Tree tree, Void p) {
if (tree != null) {
TreePath path =
new TreePath(getCurrentPath(), tree);
trees.getScope(path);
}
return super.scan(tree, p);
}
}.scan(cut, null);
enterDone.set(true);
}
}
});
t.analyze();
List<String> expectedErrors = List.of(
"/Test.java:74:compiler.err.cant.resolve",
"/Test.java:154:compiler.err.cant.resolve"
);
if (!expectedErrors.equals(errors)) {
throw new IllegalStateException("Unexpected errors: " + errors);
}
}
}