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/*
* Copyright (c) 2006, 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 6557752
* @summary Test for wrapping the original type in ErrorType.
* @library ../lib
* @modules jdk.compiler/com.sun.tools.javac.util
* @compile T6557752.java
* @run main T6557752
*/
import com.sun.source.tree.AssignmentTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.MethodInvocationTree;
import com.sun.source.util.JavacTask;
import com.sun.source.util.TreePath;
import com.sun.source.util.TreePathScanner;
import com.sun.source.util.Trees;
import com.sun.tools.javac.util.List;
import java.io.IOException;
import java.net.URI;
import javax.lang.model.type.ErrorType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
import javax.lang.model.util.Types;
public class T6557752 {
static class MyFileObject extends SimpleJavaFileObject {
public MyFileObject() {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
}
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return "import java.util.*;\n"
+ "public class Test {\n"
+ " void foobar() {\n"
+ " Iterator<Number> itr = null;\n"
+ " String str = itr.next();\n"
+ " FooBar fooBar = FooBar.foobar();\n"
+ " }\n"
+ "}";
}
}
static Trees trees;
static JavacTask task = null;
public static void main(String[] args) throws IOException {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
Iterable<? extends CompilationUnitTree> asts = task.parse();
task.analyze();
trees = Trees.instance(task);
MyVisitor myVisitor = new MyVisitor();
for (CompilationUnitTree ast : asts) {
myVisitor.compilationUnit = ast;
myVisitor.scan(ast, null);
}
if (!myVisitor.foundError) {
throw new AssertionError("Expected error not found!");
}
}
static class MyVisitor extends TreePathScanner<Void,Void> {
public boolean foundError = false;
CompilationUnitTree compilationUnit = null;
int i = 0;
@Override
public Void visitMethodInvocation(MethodInvocationTree node, Void ignored) {
TreePath path = TreePath.getPath(compilationUnit, node);
TypeMirror typeMirror = trees.getTypeMirror(path);
if (typeMirror.getKind() == TypeKind.ERROR) {
if (i == 0) {
String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
if (!str1.equals("java.lang.Number")) {
throw new AssertionError("Trees.getOriginalType() error!");
}
Types types = task.getTypes();
str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
if (!str1.equals("java.lang.Number")) {
throw new AssertionError("Types.asElement() error!");
}
i++;
}
else if (i == 1) {
String str1 = trees.getOriginalType((ErrorType)typeMirror).toString();
if (!str1.equals("FooBar")) {
throw new AssertionError("Trees.getOriginalType() error!");
}
Types types = task.getTypes();
str1 = types.asElement(trees.getOriginalType((ErrorType)typeMirror)).toString();
if (!str1.equals("FooBar")) {
throw new AssertionError("Types.asElement() error!");
}
foundError = true;
}
}
return null;
}
}
}
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