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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 6380016
* @summary Test that the constraints guaranteed by the Filer and maintained
* @author Joseph D. Darcy
* @library /tools/javac/lib
* @modules java.compiler
* jdk.compiler
* @build JavacTestingAbstractProcessor TestNames
* @compile -processor TestNames -proc:only TestNames.java
*/
import java.util.Set;
import javax.annotation.processing.*;
import javax.lang.model.SourceVersion;
import static javax.lang.model.SourceVersion.*;
import javax.lang.model.element.*;
import javax.lang.model.util.*;
import static javax.lang.model.util.ElementFilter.*;
import static javax.tools.Diagnostic.Kind.*;
import static javax.tools.StandardLocation.*;
import java.io.*;
/**
* Basic tests of semantics of javax.lang.model.element.Name
*/
public class TestNames extends JavacTestingAbstractProcessor {
private int round = 0;
String stringStringName = "java.lang.String";
Name stringName = null;
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnv) {
round++;
if (!roundEnv.processingOver()) {
boolean failed = false;
switch(round) {
case 1:
TypeElement stringMirror = eltUtils.getTypeElement(stringStringName);
stringName = stringMirror.getQualifiedName();
Name stringPseudoName = Pseudonym.getName(stringName.toString());
if (stringName.equals(stringPseudoName))
failed = true;
if (!stringName.contentEquals(stringStringName))
failed = true;
if (!stringName.contentEquals(stringPseudoName))
failed = true;
try {
// Force another round with a new context
PrintWriter pw = new PrintWriter(filer.createSourceFile("Foo").openWriter());
pw.println("public class Foo {}");
pw.close();
} catch (IOException ioe) {
throw new RuntimeException();
}
break;
case 2:
Name stringStringAsName = eltUtils.getName(stringStringName);
TypeElement stringMirror2 = eltUtils.getTypeElement(stringStringName);
Name stringName2 = stringMirror2.getQualifiedName();
if (stringStringAsName != stringName ||
stringName != stringName2)
failed = true;
break;
default:
throw new RuntimeException("Unexpected round " + round);
}
if (failed)
throw new RuntimeException("Invalid name equality checks.");
}
return true;
}
private static class Pseudonym implements Name {
private String name;
private Pseudonym(String name) {
this.name = name;
}
public static Pseudonym getName(String name) {
return new Pseudonym(name);
}
public boolean contentEquals(CharSequence cs) {
return name.contentEquals(cs);
}
public char charAt(int index) {
return name.charAt(index);
}
public int length() {
return name.length();
}
public CharSequence subSequence(int start, int end) {
return name.subSequence(start, end);
}
public String toString() {
return name;
}
}
}
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