146 lines
5.4 KiB
Java
146 lines
5.4 KiB
Java
/*
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* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8005046 8011052
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* @summary Test basic properties of javax.lang.element.Element
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* @author Joseph D. Darcy
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* @library /tools/javac/lib
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* @build JavacTestingAbstractProcessor TestExecutableElement
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* @compile -processor TestExecutableElement -proc:only TestExecutableElement.java
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*/
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import java.lang.annotation.*;
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import java.util.Formatter;
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import java.util.Set;
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import java.util.Objects;
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import java.util.regex.*;
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import javax.annotation.processing.*;
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import javax.lang.model.SourceVersion;
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import static javax.lang.model.SourceVersion.*;
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import javax.lang.model.element.*;
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import javax.lang.model.util.*;
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import static javax.lang.model.util.ElementFilter.*;
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import static javax.tools.Diagnostic.Kind.*;
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import static javax.tools.StandardLocation.*;
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/**
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* Test some basic workings of javax.lang.element.ExecutableElement
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*/
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public class TestExecutableElement extends JavacTestingAbstractProcessor implements ProviderOfDefault {
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@IsDefault(false)
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public boolean process(Set<? extends TypeElement> annotations,
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RoundEnvironment roundEnv) {
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int errors = 0;
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if (!roundEnv.processingOver()) {
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boolean hasRun = false;
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for (Element element : roundEnv.getRootElements()) {
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for (ExecutableElement method : methodsIn(element.getEnclosedElements())) {
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hasRun = true;
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errors += checkIsDefault(method);
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}
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}
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if (!hasRun) {
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messager.printMessage(ERROR, "No test cases run; test fails.");
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}
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}
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return true;
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}
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@IsDefault(false)
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int checkIsDefault(ExecutableElement method) {
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System.out.println("Testing " + method);
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IsDefault expectedIsDefault = method.getAnnotation(IsDefault.class);
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boolean expectedDefault = (expectedIsDefault != null) ?
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expectedIsDefault.value() :
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false;
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boolean methodIsDefault = method.isDefault();
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if (expectedDefault) {
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if (!method.getModifiers().contains(Modifier.DEFAULT)) {
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messager.printMessage(ERROR,
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"Modifier \"default\" not present as expected.",
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method);
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}
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// Check printing output
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java.io.Writer stringWriter = new java.io.StringWriter();
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eltUtils.printElements(stringWriter, method);
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Pattern p = Pattern.compile(expectedIsDefault.expectedTextRegex(), Pattern.DOTALL);
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if (! p.matcher(stringWriter.toString()).matches()) {
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messager.printMessage(ERROR,
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new Formatter().format("Unexpected printing ouptput:%n\tgot %s,%n\texpected pattern %s.",
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stringWriter.toString(),
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expectedIsDefault.expectedTextRegex()).toString(),
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method);
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}
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System.out.println("\t" + stringWriter.toString());
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} else {
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if (method.getModifiers().contains(Modifier.DEFAULT)) {
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messager.printMessage(ERROR,
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"Modifier \"default\" present when not expected.",
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method);
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}
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}
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if (methodIsDefault != expectedDefault) {
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messager.printMessage(ERROR,
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new Formatter().format("Unexpected Executable.isDefault result: got ``%s'', expected ``%s''.",
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expectedDefault,
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methodIsDefault).toString(),
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method);
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return 1;
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}
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return 0;
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}
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}
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/**
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* Expected value of the ExecutableElement.isDefault method.
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target(ElementType.METHOD)
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@interface IsDefault {
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boolean value();
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String expectedTextRegex() default "";
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}
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/**
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* Test interface to provide a default method.
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*/
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interface ProviderOfDefault {
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@IsDefault(false)
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boolean process(Set<? extends TypeElement> annotations,
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RoundEnvironment roundEnv);
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@IsDefault(value=true, expectedTextRegex="\\s*@IsDefault\\(.*\\)\\s*default strictfp void quux\\(\\);\\s*$")
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default strictfp void quux() {};
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}
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