test/tools/javac/processing/model/element/TestNames.java

Thu, 31 Aug 2017 15:17:03 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:17:03 +0800
changeset 2525
2eb010b6cb22
parent 1466
b52a38d4536c
parent 0
959103a6100f
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 6380016
aoqi@0 27 * @summary Test that the constraints guaranteed by the Filer and maintained
aoqi@0 28 * @author Joseph D. Darcy
aoqi@0 29 * @library /tools/javac/lib
aoqi@0 30 * @build JavacTestingAbstractProcessor TestNames
aoqi@0 31 * @compile -processor TestNames -proc:only TestNames.java
aoqi@0 32 */
aoqi@0 33
aoqi@0 34 import java.util.Set;
aoqi@0 35 import javax.annotation.processing.*;
aoqi@0 36 import javax.lang.model.SourceVersion;
aoqi@0 37 import static javax.lang.model.SourceVersion.*;
aoqi@0 38 import javax.lang.model.element.*;
aoqi@0 39 import javax.lang.model.util.*;
aoqi@0 40 import static javax.lang.model.util.ElementFilter.*;
aoqi@0 41 import static javax.tools.Diagnostic.Kind.*;
aoqi@0 42 import static javax.tools.StandardLocation.*;
aoqi@0 43
aoqi@0 44 import java.io.*;
aoqi@0 45
aoqi@0 46 /**
aoqi@0 47 * Basic tests of semantics of javax.lang.model.element.Name
aoqi@0 48 */
aoqi@0 49 public class TestNames extends JavacTestingAbstractProcessor {
aoqi@0 50 private int round = 0;
aoqi@0 51
aoqi@0 52 String stringStringName = "java.lang.String";
aoqi@0 53 Name stringName = null;
aoqi@0 54
aoqi@0 55 public boolean process(Set<? extends TypeElement> annotations,
aoqi@0 56 RoundEnvironment roundEnv) {
aoqi@0 57 round++;
aoqi@0 58 if (!roundEnv.processingOver()) {
aoqi@0 59 boolean failed = false;
aoqi@0 60
aoqi@0 61 switch(round) {
aoqi@0 62 case 1:
aoqi@0 63
aoqi@0 64 TypeElement stringMirror = eltUtils.getTypeElement(stringStringName);
aoqi@0 65 stringName = stringMirror.getQualifiedName();
aoqi@0 66 Name stringPseudoName = Pseudonym.getName(stringName.toString());
aoqi@0 67
aoqi@0 68
aoqi@0 69 if (stringName.equals(stringPseudoName))
aoqi@0 70 failed = true;
aoqi@0 71 if (!stringName.contentEquals(stringStringName))
aoqi@0 72 failed = true;
aoqi@0 73 if (!stringName.contentEquals(stringPseudoName))
aoqi@0 74 failed = true;
aoqi@0 75
aoqi@0 76
aoqi@0 77 try {
aoqi@0 78 // Force another round with a new context
aoqi@0 79 PrintWriter pw = new PrintWriter(filer.createSourceFile("Foo").openWriter());
aoqi@0 80 pw.println("public class Foo {}");
aoqi@0 81 pw.close();
aoqi@0 82 } catch (IOException ioe) {
aoqi@0 83 throw new RuntimeException();
aoqi@0 84 }
aoqi@0 85 break;
aoqi@0 86
aoqi@0 87 case 2:
aoqi@0 88 Name stringStringAsName = eltUtils.getName(stringStringName);
aoqi@0 89 TypeElement stringMirror2 = eltUtils.getTypeElement(stringStringName);
aoqi@0 90 Name stringName2 = stringMirror2.getQualifiedName();
aoqi@0 91
aoqi@0 92 if (stringStringAsName != stringName ||
aoqi@0 93 stringName != stringName2)
aoqi@0 94 failed = true;
aoqi@0 95 break;
aoqi@0 96
aoqi@0 97 default:
aoqi@0 98 throw new RuntimeException("Unexpected round " + round);
aoqi@0 99 }
aoqi@0 100
aoqi@0 101 if (failed)
aoqi@0 102 throw new RuntimeException("Invalid name equality checks.");
aoqi@0 103 }
aoqi@0 104 return true;
aoqi@0 105 }
aoqi@0 106
aoqi@0 107 private static class Pseudonym implements Name {
aoqi@0 108 private String name;
aoqi@0 109
aoqi@0 110 private Pseudonym(String name) {
aoqi@0 111 this.name = name;
aoqi@0 112 }
aoqi@0 113
aoqi@0 114 public static Pseudonym getName(String name) {
aoqi@0 115 return new Pseudonym(name);
aoqi@0 116 }
aoqi@0 117
aoqi@0 118 public boolean contentEquals(CharSequence cs) {
aoqi@0 119 return name.contentEquals(cs);
aoqi@0 120 }
aoqi@0 121
aoqi@0 122 public char charAt(int index) {
aoqi@0 123 return name.charAt(index);
aoqi@0 124 }
aoqi@0 125
aoqi@0 126 public int length() {
aoqi@0 127 return name.length();
aoqi@0 128 }
aoqi@0 129
aoqi@0 130 public CharSequence subSequence(int start, int end) {
aoqi@0 131 return name.subSequence(start, end);
aoqi@0 132 }
aoqi@0 133
aoqi@0 134 public String toString() {
aoqi@0 135 return name;
aoqi@0 136 }
aoqi@0 137 }
aoqi@0 138 }

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