TestMissingElement.java revision 2933:49d207bf704d
1/* 2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25/* 26 * @test 27 * @bug 6639645 7026414 7025809 28 * @summary Modeling type implementing missing interfaces 29 * @library /tools/javac/lib 30 * @modules jdk.compiler/com.sun.tools.javac.processing 31 * jdk.compiler/com.sun.tools.javac.util 32 * @build JavacTestingAbstractProcessor TestMissingElement 33 * @compile/fail/ref=TestMissingElement.ref -proc:only -XprintRounds -XDrawDiagnostics -processor TestMissingElement InvalidSource.java 34 */ 35 36import java.io.PrintWriter; 37import java.util.*; 38import javax.annotation.processing.*; 39import javax.lang.model.element.*; 40import javax.lang.model.type.*; 41import javax.lang.model.util.*; 42import static javax.tools.Diagnostic.Kind.*; 43 44import com.sun.tools.javac.processing.JavacProcessingEnvironment; 45import com.sun.tools.javac.util.Log; 46 47public class TestMissingElement extends JavacTestingAbstractProcessor { 48 private PrintWriter out; 49 50 @Override 51 public void init(ProcessingEnvironment env) { 52 super.init(env); 53 out = ((JavacProcessingEnvironment) env).getContext().get(Log.outKey); 54 } 55 56 @Override 57 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { 58 for (TypeElement te: ElementFilter.typesIn(roundEnv.getRootElements())) { 59 if (isSimpleName(te, "InvalidSource")) { 60 for (Element c: te.getEnclosedElements()) { 61 for (AnnotationMirror am: c.getAnnotationMirrors()) { 62 Element ate = am.getAnnotationType().asElement(); 63 if (isSimpleName(ate, "ExpectInterfaces")) { 64 checkInterfaces((TypeElement) c, getValue(am)); 65 } else if (isSimpleName(ate, "ExpectSupertype")) { 66 checkSupertype((TypeElement) c, getValue(am)); 67 } 68 } 69 } 70 } 71 } 72 return true; 73 } 74 75 private boolean isSimpleName(Element e, String name) { 76 return e.getSimpleName().contentEquals(name); 77 } 78 79 private String getValue(AnnotationMirror am) { 80 Map<? extends ExecutableElement, ? extends AnnotationValue> map = am.getElementValues(); 81 if (map.size() != 1) throw new IllegalArgumentException(); 82 AnnotationValue v = map.values().iterator().next(); 83 return (String) v.getValue(); 84 } 85 86 private void checkInterfaces(TypeElement te, String expect) { 87 out.println("check interfaces: " + te + " -- " + expect); 88 String found = asString(te.getInterfaces(), ", "); 89 checkEqual("interfaces", te, found, expect); 90 } 91 92 private void checkSupertype(TypeElement te, String expect) { 93 out.println("check supertype: " + te + " -- " + expect); 94 String found = asString(te.getSuperclass()); 95 checkEqual("supertype", te, found, expect); 96 } 97 98 private void checkEqual(String label, TypeElement te, String found, String expect) { 99 if (found.equals(expect)) { 100// messager.printMessage(NOTE, "expected " + label + " found: " + expect, te); 101 } else { 102 out.println("unexpected " + label + ": " + te + "\n" 103 + " found: " + found + "\n" 104 + "expect: " + expect); 105 messager.printMessage(ERROR, "unexpected " + label + " found: " + found + "; expected: " + expect, te); 106 } 107 } 108 109 private String asString(List<? extends TypeMirror> ts, String sep) { 110 StringBuilder sb = new StringBuilder(); 111 for (TypeMirror t: ts) { 112 if (sb.length() != 0) sb.append(sep); 113 sb.append(asString(t)); 114 } 115 return sb.toString(); 116 } 117 118 private String asString(TypeMirror t) { 119 if (t == null) 120 return "[typ:null]"; 121 return t.accept(new SimpleTypeVisitor<String, Void>() { 122 @Override 123 public String defaultAction(TypeMirror t, Void ignore) { 124 return "[typ:" + t.toString() + "]"; 125 } 126 127 @Override 128 public String visitDeclared(DeclaredType t, Void ignore) { 129 checkEqual(t.asElement(), types.asElement(t)); 130 String s = asString(t.asElement()); 131 List<? extends TypeMirror> args = t.getTypeArguments(); 132 if (!args.isEmpty()) 133 s += "<" + asString(args, ",") + ">"; 134 return s; 135 } 136 137 @Override 138 public String visitTypeVariable(TypeVariable t, Void ignore) { 139 return "tvar " + t; 140 } 141 142 @Override 143 public String visitError(ErrorType t, Void ignore) { 144 return "!:" + visitDeclared(t, ignore); 145 } 146 }, null); 147 } 148 149 private String asString(Element e) { 150 if (e == null) 151 return "[elt:null]"; 152 return e.accept(new SimpleElementVisitor<String, Void>() { 153 @Override 154 public String defaultAction(Element e, Void ignore) { 155 return "[elt:" + e.getKind() + " " + e.toString() + "]"; 156 } 157 @Override 158 public String visitPackage(PackageElement e, Void ignore) { 159 return "pkg " + e.getQualifiedName(); 160 } 161 @Override 162 public String visitType(TypeElement e, Void ignore) { 163 StringBuilder sb = new StringBuilder(); 164 if (e.getEnclosedElements().isEmpty()) 165 sb.append("empty "); 166 ElementKind ek = e.getKind(); 167 switch (ek) { 168 case CLASS: 169 sb.append("clss"); 170 break; 171 case INTERFACE: 172 sb.append("intf"); 173 break; 174 default: 175 sb.append(ek); 176 break; 177 } 178 sb.append(" "); 179 Element encl = e.getEnclosingElement(); 180 if (!isUnnamedPackage(encl) && encl.asType().getKind() != TypeKind.NONE) { 181 sb.append("("); 182 sb.append(asString(encl)); 183 sb.append(")"); 184 sb.append("."); 185 } 186 sb.append(e.getSimpleName()); 187 if (e.asType().getKind() == TypeKind.ERROR) sb.append("!"); 188 return sb.toString(); 189 } 190 }, null); 191 } 192 193 boolean isUnnamedPackage(Element e) { 194 return (e != null && e.getKind() == ElementKind.PACKAGE 195 && ((PackageElement) e).isUnnamed()); 196 } 197 198 void checkEqual(Element e1, Element e2) { 199 if (e1 != e2) { 200 throw new AssertionError("elements not equal as expected: " 201 + e1 + ", " + e2); 202 } 203 } 204} 205 206 207 208