Wed, 27 Apr 2016 01:34:52 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17
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 | } |