Sat, 01 Dec 2007 00:00:00 +0000
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duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
duke@1 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 21 | * have any questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | /* |
duke@1 | 25 | * @test |
duke@1 | 26 | * @bug 6406164 |
duke@1 | 27 | * @summary Test that ElementFilter iterable methods behave properly. |
duke@1 | 28 | * @author Joseph D. Darcy |
duke@1 | 29 | * @compile TestIterables.java |
duke@1 | 30 | * @compile -processor TestIterables -proc:only Foo1.java |
duke@1 | 31 | * @compile Foo1.java |
duke@1 | 32 | * @compile -processor TestIterables Foo1 TestIterables.java |
duke@1 | 33 | */ |
duke@1 | 34 | |
duke@1 | 35 | import java.util.Set; |
duke@1 | 36 | import java.util.HashSet; |
duke@1 | 37 | import java.util.Arrays; |
duke@1 | 38 | import java.util.Iterator; |
duke@1 | 39 | import javax.annotation.processing.*; |
duke@1 | 40 | import javax.lang.model.SourceVersion; |
duke@1 | 41 | import static javax.lang.model.SourceVersion.*; |
duke@1 | 42 | import javax.lang.model.element.*; |
duke@1 | 43 | import javax.lang.model.util.*; |
duke@1 | 44 | import static javax.tools.Diagnostic.Kind.*; |
duke@1 | 45 | |
duke@1 | 46 | import static javax.lang.model.util.ElementFilter.*; |
duke@1 | 47 | |
duke@1 | 48 | /** |
duke@1 | 49 | * Verify that the {@code ElementFilter} methods taking iterables |
duke@1 | 50 | * behave correctly by comparing ExpectedElementCounts with actual |
duke@1 | 51 | * results. |
duke@1 | 52 | */ |
duke@1 | 53 | @SupportedAnnotationTypes("ExpectedElementCounts") |
duke@1 | 54 | @ExpectedElementCounts(methods=3) |
duke@1 | 55 | public class TestIterables extends AbstractProcessor { |
duke@1 | 56 | |
duke@1 | 57 | public boolean process(Set<? extends TypeElement> annotations, |
duke@1 | 58 | RoundEnvironment roundEnv) { |
duke@1 | 59 | if (!roundEnv.processingOver()) { |
duke@1 | 60 | boolean error = false; |
duke@1 | 61 | int topLevelCount = 0; |
duke@1 | 62 | |
duke@1 | 63 | for (TypeElement type : typesIn(roundEnv.getRootElements())) { |
duke@1 | 64 | topLevelCount++; |
duke@1 | 65 | ExpectedElementCounts elementCounts = type.getAnnotation(ExpectedElementCounts.class); |
duke@1 | 66 | if (elementCounts == null) |
duke@1 | 67 | throw new RuntimeException("Missing ExpectedElementCounts annotation!"); |
duke@1 | 68 | |
duke@1 | 69 | Iterable<? extends Element> irritable = type.getEnclosedElements(); |
duke@1 | 70 | |
duke@1 | 71 | int constructorCount = getCount(constructorsIn(irritable)); |
duke@1 | 72 | int fieldCount = getCount(fieldsIn(irritable)); |
duke@1 | 73 | int methodCount = getCount(methodsIn(irritable)); |
duke@1 | 74 | int typeCount = getCount(typesIn(irritable)); |
duke@1 | 75 | |
duke@1 | 76 | System.out.println("\nType: " + type.getQualifiedName()); |
duke@1 | 77 | System.out.format("Element Actual\tExpected%n"); |
duke@1 | 78 | System.out.format("constructors %d\t\t%d%n", constructorCount, elementCounts.constructors()); |
duke@1 | 79 | System.out.format("fields %d\t\t%d%n", fieldCount, elementCounts.fields()); |
duke@1 | 80 | System.out.format("methods %d\t\t%d%n", methodCount, elementCounts.methods()); |
duke@1 | 81 | System.out.format("types %d\t\t%d%n", typeCount, elementCounts.types()); |
duke@1 | 82 | |
duke@1 | 83 | if ((constructorCount != elementCounts.constructors()) || |
duke@1 | 84 | (fieldCount != elementCounts.fields()) || |
duke@1 | 85 | (methodCount != elementCounts.methods()) || |
duke@1 | 86 | (typeCount != elementCounts.types()) ) |
duke@1 | 87 | error = true; |
duke@1 | 88 | } |
duke@1 | 89 | |
duke@1 | 90 | if (topLevelCount == 0) |
duke@1 | 91 | error = true; |
duke@1 | 92 | |
duke@1 | 93 | if (error) |
duke@1 | 94 | throw new RuntimeException("A count mismatch has occured."); |
duke@1 | 95 | } |
duke@1 | 96 | |
duke@1 | 97 | return true; |
duke@1 | 98 | } |
duke@1 | 99 | |
duke@1 | 100 | private int getCount(Iterable<? extends Element> iter) { |
duke@1 | 101 | int count1 = 0; |
duke@1 | 102 | int count2 = 0; |
duke@1 | 103 | |
duke@1 | 104 | Iterator<? extends Element> iterator = iter.iterator(); |
duke@1 | 105 | while (iterator.hasNext() ) { |
duke@1 | 106 | count1++; |
duke@1 | 107 | iterator.next(); |
duke@1 | 108 | } |
duke@1 | 109 | |
duke@1 | 110 | iterator = iter.iterator(); |
duke@1 | 111 | while (iterator.hasNext() ) { |
duke@1 | 112 | count2++; |
duke@1 | 113 | iterator.next(); |
duke@1 | 114 | } |
duke@1 | 115 | |
duke@1 | 116 | if (count1 != count2) |
duke@1 | 117 | throw new RuntimeException("Inconsistent counts from iterator."); |
duke@1 | 118 | |
duke@1 | 119 | return count1; |
duke@1 | 120 | } |
duke@1 | 121 | |
duke@1 | 122 | @Override |
duke@1 | 123 | public SourceVersion getSupportedSourceVersion() { |
duke@1 | 124 | return SourceVersion.latest(); |
duke@1 | 125 | } |
duke@1 | 126 | |
duke@1 | 127 | } |