1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,205 @@
1.4 +/*
1.5 + * Copyright (c) 2011, 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 +/*
1.29 + * @test
1.30 + * @bug 6639645 7026414 7025809
1.31 + * @summary Modeling type implementing missing interfaces
1.32 + * @library /tools/javac/lib
1.33 + * @build JavacTestingAbstractProcessor TestMissingElement
1.34 + * @compile/fail/ref=TestMissingElement.ref -proc:only -XprintRounds -XDrawDiagnostics -processor TestMissingElement InvalidSource.java
1.35 + */
1.36 +
1.37 +import java.io.PrintWriter;
1.38 +import java.util.*;
1.39 +import javax.annotation.processing.*;
1.40 +import javax.lang.model.element.*;
1.41 +import javax.lang.model.type.*;
1.42 +import javax.lang.model.util.*;
1.43 +import static javax.tools.Diagnostic.Kind.*;
1.44 +
1.45 +import com.sun.tools.javac.processing.JavacProcessingEnvironment;
1.46 +import com.sun.tools.javac.util.Log;
1.47 +
1.48 +public class TestMissingElement extends JavacTestingAbstractProcessor {
1.49 + private PrintWriter out;
1.50 +
1.51 + @Override
1.52 + public void init(ProcessingEnvironment env) {
1.53 + super.init(env);
1.54 + out = ((JavacProcessingEnvironment) env).getContext().get(Log.outKey);
1.55 + }
1.56 +
1.57 + @Override
1.58 + public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
1.59 + for (TypeElement te: ElementFilter.typesIn(roundEnv.getRootElements())) {
1.60 + if (isSimpleName(te, "InvalidSource")) {
1.61 + for (Element c: te.getEnclosedElements()) {
1.62 + for (AnnotationMirror am: c.getAnnotationMirrors()) {
1.63 + Element ate = am.getAnnotationType().asElement();
1.64 + if (isSimpleName(ate, "ExpectInterfaces")) {
1.65 + checkInterfaces((TypeElement) c, getValue(am));
1.66 + } else if (isSimpleName(ate, "ExpectSupertype")) {
1.67 + checkSupertype((TypeElement) c, getValue(am));
1.68 + }
1.69 + }
1.70 + }
1.71 + }
1.72 + }
1.73 + return true;
1.74 + }
1.75 +
1.76 + private boolean isSimpleName(Element e, String name) {
1.77 + return e.getSimpleName().contentEquals(name);
1.78 + }
1.79 +
1.80 + private String getValue(AnnotationMirror am) {
1.81 + Map<? extends ExecutableElement, ? extends AnnotationValue> map = am.getElementValues();
1.82 + if (map.size() != 1) throw new IllegalArgumentException();
1.83 + AnnotationValue v = map.values().iterator().next();
1.84 + return (String) v.getValue();
1.85 + }
1.86 +
1.87 + private void checkInterfaces(TypeElement te, String expect) {
1.88 + out.println("check interfaces: " + te + " -- " + expect);
1.89 + String found = asString(te.getInterfaces(), ", ");
1.90 + checkEqual("interfaces", te, found, expect);
1.91 + }
1.92 +
1.93 + private void checkSupertype(TypeElement te, String expect) {
1.94 + out.println("check supertype: " + te + " -- " + expect);
1.95 + String found = asString(te.getSuperclass());
1.96 + checkEqual("supertype", te, found, expect);
1.97 + }
1.98 +
1.99 + private void checkEqual(String label, TypeElement te, String found, String expect) {
1.100 + if (found.equals(expect)) {
1.101 +// messager.printMessage(NOTE, "expected " + label + " found: " + expect, te);
1.102 + } else {
1.103 + out.println("unexpected " + label + ": " + te + "\n"
1.104 + + " found: " + found + "\n"
1.105 + + "expect: " + expect);
1.106 + messager.printMessage(ERROR, "unexpected " + label + " found: " + found + "; expected: " + expect, te);
1.107 + }
1.108 + }
1.109 +
1.110 + private String asString(List<? extends TypeMirror> ts, String sep) {
1.111 + StringBuilder sb = new StringBuilder();
1.112 + for (TypeMirror t: ts) {
1.113 + if (sb.length() != 0) sb.append(sep);
1.114 + sb.append(asString(t));
1.115 + }
1.116 + return sb.toString();
1.117 + }
1.118 +
1.119 + private String asString(TypeMirror t) {
1.120 + if (t == null)
1.121 + return "[typ:null]";
1.122 + return t.accept(new SimpleTypeVisitor<String, Void>() {
1.123 + @Override
1.124 + public String defaultAction(TypeMirror t, Void ignore) {
1.125 + return "[typ:" + t.toString() + "]";
1.126 + }
1.127 +
1.128 + @Override
1.129 + public String visitDeclared(DeclaredType t, Void ignore) {
1.130 + checkEqual(t.asElement(), types.asElement(t));
1.131 + String s = asString(t.asElement());
1.132 + List<? extends TypeMirror> args = t.getTypeArguments();
1.133 + if (!args.isEmpty())
1.134 + s += "<" + asString(args, ",") + ">";
1.135 + return s;
1.136 + }
1.137 +
1.138 + @Override
1.139 + public String visitTypeVariable(TypeVariable t, Void ignore) {
1.140 + return "tvar " + t;
1.141 + }
1.142 +
1.143 + @Override
1.144 + public String visitError(ErrorType t, Void ignore) {
1.145 + return "!:" + visitDeclared(t, ignore);
1.146 + }
1.147 + }, null);
1.148 + }
1.149 +
1.150 + private String asString(Element e) {
1.151 + if (e == null)
1.152 + return "[elt:null]";
1.153 + return e.accept(new SimpleElementVisitor<String, Void>() {
1.154 + @Override
1.155 + public String defaultAction(Element e, Void ignore) {
1.156 + return "[elt:" + e.getKind() + " " + e.toString() + "]";
1.157 + }
1.158 + @Override
1.159 + public String visitPackage(PackageElement e, Void ignore) {
1.160 + return "pkg " + e.getQualifiedName();
1.161 + }
1.162 + @Override
1.163 + public String visitType(TypeElement e, Void ignore) {
1.164 + StringBuilder sb = new StringBuilder();
1.165 + if (e.getEnclosedElements().isEmpty())
1.166 + sb.append("empty ");
1.167 + ElementKind ek = e.getKind();
1.168 + switch (ek) {
1.169 + case CLASS:
1.170 + sb.append("clss");
1.171 + break;
1.172 + case INTERFACE:
1.173 + sb.append("intf");
1.174 + break;
1.175 + default:
1.176 + sb.append(ek);
1.177 + break;
1.178 + }
1.179 + sb.append(" ");
1.180 + Element encl = e.getEnclosingElement();
1.181 + if (!isUnnamedPackage(encl) && encl.asType().getKind() != TypeKind.NONE) {
1.182 + sb.append("(");
1.183 + sb.append(asString(encl));
1.184 + sb.append(")");
1.185 + sb.append(".");
1.186 + }
1.187 + sb.append(e.getSimpleName());
1.188 + if (e.asType().getKind() == TypeKind.ERROR) sb.append("!");
1.189 + return sb.toString();
1.190 + }
1.191 + }, null);
1.192 + }
1.193 +
1.194 + boolean isUnnamedPackage(Element e) {
1.195 + return (e != null && e.getKind() == ElementKind.PACKAGE
1.196 + && ((PackageElement) e).isUnnamed());
1.197 + }
1.198 +
1.199 + void checkEqual(Element e1, Element e2) {
1.200 + if (e1 != e2) {
1.201 + throw new AssertionError("elements not equal as expected: "
1.202 + + e1 + ", " + e2);
1.203 + }
1.204 + }
1.205 +}
1.206 +
1.207 +
1.208 +
