| /* |
| * Copyright (c) 2012, 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 8005046 8011052 8025087 |
| * @summary Test basic properties of javax.lang.element.ExecutableElement |
| * @author Joseph D. Darcy |
| * @library /tools/javac/lib |
| * @modules java.compiler |
| * jdk.compiler |
| * @build JavacTestingAbstractProcessor TestExecutableElement |
| * @compile -processor TestExecutableElement -proc:only -AexpectedMethodCount=7 TestExecutableElement.java |
| * @compile/process -processor TestExecutableElement -proc:only -AexpectedMethodCount=3 ProviderOfDefault |
| */ |
| |
| import java.lang.annotation.*; |
| import java.util.Formatter; |
| import java.util.Set; |
| import java.util.regex.*; |
| import javax.annotation.processing.*; |
| import javax.lang.model.element.*; |
| import static javax.lang.model.util.ElementFilter.*; |
| import static javax.tools.Diagnostic.Kind.*; |
| |
| /** |
| * Test some basic workings of javax.lang.element.ExecutableElement |
| */ |
| @SupportedOptions("expectedMethodCount") |
| public class TestExecutableElement extends JavacTestingAbstractProcessor implements ProviderOfDefault { |
| private int seenMethods = 0; |
| @IsDefault(false) |
| public boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnv) { |
| if (!roundEnv.processingOver()) { |
| for (Element element : roundEnv.getRootElements()) { |
| for (ExecutableElement method : methodsIn(element.getEnclosedElements())) { |
| checkIsDefault(method); |
| seenMethods++; |
| } |
| } |
| } else { |
| String expectedMethodCountStr = processingEnv.getOptions().get("expectedMethodCount"); |
| if (expectedMethodCountStr == null) { |
| messager.printMessage(ERROR, "No expected method count specified."); |
| } else { |
| int expectedMethodCount = Integer.parseInt(expectedMethodCountStr); |
| |
| if (seenMethods != expectedMethodCount) { |
| messager.printMessage(ERROR, "Wrong number of seen methods: " + seenMethods); |
| } |
| } |
| } |
| return true; |
| } |
| |
| @IsDefault(false) |
| void checkIsDefault(ExecutableElement method) { |
| System.out.println("Testing " + method); |
| IsDefault expectedIsDefault = method.getAnnotation(IsDefault.class); |
| |
| boolean expectedDefault = (expectedIsDefault != null) ? |
| expectedIsDefault.value() : |
| false; |
| |
| boolean methodIsDefault = method.isDefault(); |
| |
| if (expectedDefault) { |
| if (!method.getModifiers().contains(Modifier.DEFAULT)) { |
| messager.printMessage(ERROR, |
| "Modifier \"default\" not present as expected.", |
| method); |
| } |
| |
| // Check printing output |
| java.io.Writer stringWriter = new java.io.StringWriter(); |
| eltUtils.printElements(stringWriter, method); |
| Pattern p = Pattern.compile(expectedIsDefault.expectedTextRegex(), Pattern.DOTALL); |
| |
| if (! p.matcher(stringWriter.toString()).matches()) { |
| messager.printMessage(ERROR, |
| new Formatter().format("Unexpected printing ouptput:%n\tgot %s,%n\texpected pattern %s.", |
| stringWriter.toString(), |
| expectedIsDefault.expectedTextRegex()).toString(), |
| method); |
| } |
| |
| System.out.println("\t" + stringWriter.toString()); |
| |
| } else { |
| if (method.getModifiers().contains(Modifier.DEFAULT)) { |
| messager.printMessage(ERROR, |
| "Modifier \"default\" present when not expected.", |
| method); |
| } |
| } |
| |
| if (methodIsDefault != expectedDefault) { |
| messager.printMessage(ERROR, |
| new Formatter().format("Unexpected Executable.isDefault result: got ``%s'', expected ``%s''.", |
| expectedDefault, |
| methodIsDefault).toString(), |
| method); |
| } |
| } |
| } |
| |
| /** |
| * Expected value of the ExecutableElement.isDefault method. |
| */ |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target(ElementType.METHOD) |
| @interface IsDefault { |
| boolean value(); |
| String expectedTextRegex() default ""; |
| } |
| |
| /** |
| * Test interface to provide a default method. |
| */ |
| interface ProviderOfDefault { |
| @IsDefault(false) |
| boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnv); |
| |
| @IsDefault(value=true, expectedTextRegex="\\s*@IsDefault\\(.*\\)\\s*default strictfp void quux\\(\\);\\s*$") |
| default strictfp void quux() {}; |
| @IsDefault(false) |
| static void statik() {} |
| } |