1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/processing/model/element/TestExecutableElement.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,148 @@
1.4 +/*
1.5 + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 8005046 8011052 8025087
1.30 + * @summary Test basic properties of javax.lang.element.ExecutableElement
1.31 + * @author Joseph D. Darcy
1.32 + * @library /tools/javac/lib
1.33 + * @build JavacTestingAbstractProcessor TestExecutableElement
1.34 + * @compile -processor TestExecutableElement -proc:only -AexpectedMethodCount=7 TestExecutableElement.java
1.35 + * @compile/process -processor TestExecutableElement -proc:only -AexpectedMethodCount=3 ProviderOfDefault
1.36 + */
1.37 +
1.38 +import java.lang.annotation.*;
1.39 +import java.util.Formatter;
1.40 +import java.util.Set;
1.41 +import java.util.regex.*;
1.42 +import javax.annotation.processing.*;
1.43 +import javax.lang.model.element.*;
1.44 +import static javax.lang.model.util.ElementFilter.*;
1.45 +import static javax.tools.Diagnostic.Kind.*;
1.46 +
1.47 +/**
1.48 + * Test some basic workings of javax.lang.element.ExecutableElement
1.49 + */
1.50 +@SupportedOptions("expectedMethodCount")
1.51 +public class TestExecutableElement extends JavacTestingAbstractProcessor implements ProviderOfDefault {
1.52 + private int seenMethods = 0;
1.53 + @IsDefault(false)
1.54 + public boolean process(Set<? extends TypeElement> annotations,
1.55 + RoundEnvironment roundEnv) {
1.56 + if (!roundEnv.processingOver()) {
1.57 + for (Element element : roundEnv.getRootElements()) {
1.58 + for (ExecutableElement method : methodsIn(element.getEnclosedElements())) {
1.59 + checkIsDefault(method);
1.60 + seenMethods++;
1.61 + }
1.62 + }
1.63 + } else {
1.64 + String expectedMethodCountStr = processingEnv.getOptions().get("expectedMethodCount");
1.65 + if (expectedMethodCountStr == null) {
1.66 + messager.printMessage(ERROR, "No expected method count specified.");
1.67 + } else {
1.68 + int expectedMethodCount = Integer.parseInt(expectedMethodCountStr);
1.69 +
1.70 + if (seenMethods != expectedMethodCount) {
1.71 + messager.printMessage(ERROR, "Wrong number of seen methods: " + seenMethods);
1.72 + }
1.73 + }
1.74 + }
1.75 + return true;
1.76 + }
1.77 +
1.78 + @IsDefault(false)
1.79 + void checkIsDefault(ExecutableElement method) {
1.80 + System.out.println("Testing " + method);
1.81 + IsDefault expectedIsDefault = method.getAnnotation(IsDefault.class);
1.82 +
1.83 + boolean expectedDefault = (expectedIsDefault != null) ?
1.84 + expectedIsDefault.value() :
1.85 + false;
1.86 +
1.87 + boolean methodIsDefault = method.isDefault();
1.88 +
1.89 + if (expectedDefault) {
1.90 + if (!method.getModifiers().contains(Modifier.DEFAULT)) {
1.91 + messager.printMessage(ERROR,
1.92 + "Modifier \"default\" not present as expected.",
1.93 + method);
1.94 + }
1.95 +
1.96 + // Check printing output
1.97 + java.io.Writer stringWriter = new java.io.StringWriter();
1.98 + eltUtils.printElements(stringWriter, method);
1.99 + Pattern p = Pattern.compile(expectedIsDefault.expectedTextRegex(), Pattern.DOTALL);
1.100 +
1.101 + if (! p.matcher(stringWriter.toString()).matches()) {
1.102 + messager.printMessage(ERROR,
1.103 + new Formatter().format("Unexpected printing ouptput:%n\tgot %s,%n\texpected pattern %s.",
1.104 + stringWriter.toString(),
1.105 + expectedIsDefault.expectedTextRegex()).toString(),
1.106 + method);
1.107 + }
1.108 +
1.109 + System.out.println("\t" + stringWriter.toString());
1.110 +
1.111 + } else {
1.112 + if (method.getModifiers().contains(Modifier.DEFAULT)) {
1.113 + messager.printMessage(ERROR,
1.114 + "Modifier \"default\" present when not expected.",
1.115 + method);
1.116 + }
1.117 + }
1.118 +
1.119 + if (methodIsDefault != expectedDefault) {
1.120 + messager.printMessage(ERROR,
1.121 + new Formatter().format("Unexpected Executable.isDefault result: got ``%s'', expected ``%s''.",
1.122 + expectedDefault,
1.123 + methodIsDefault).toString(),
1.124 + method);
1.125 + }
1.126 + }
1.127 +}
1.128 +
1.129 +/**
1.130 + * Expected value of the ExecutableElement.isDefault method.
1.131 + */
1.132 +@Retention(RetentionPolicy.RUNTIME)
1.133 +@Target(ElementType.METHOD)
1.134 +@interface IsDefault {
1.135 + boolean value();
1.136 + String expectedTextRegex() default "";
1.137 +}
1.138 +
1.139 +/**
1.140 + * Test interface to provide a default method.
1.141 + */
1.142 +interface ProviderOfDefault {
1.143 + @IsDefault(false)
1.144 + boolean process(Set<? extends TypeElement> annotations,
1.145 + RoundEnvironment roundEnv);
1.146 +
1.147 + @IsDefault(value=true, expectedTextRegex="\\s*@IsDefault\\(.*\\)\\s*default strictfp void quux\\(\\);\\s*$")
1.148 + default strictfp void quux() {};
1.149 + @IsDefault(false)
1.150 + static void statik() {}
1.151 +}
