Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/processing/model/util/filter/TestIterables.java
test/tools/javac/processing/model/util/filter/TestIterables.java
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| 1 /* | |
| 2 * Copyright (c) 2006, 2010, 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 * @test | |
| 26 * @bug 6406164 | |
| 27 * @summary Test that ElementFilter iterable methods behave properly. | |
| 28 * @author Joseph D. Darcy | |
| 29 * @library /tools/javac/lib | |
| 30 * @build JavacTestingAbstractProcessor | |
| 31 * @compile TestIterables.java | |
| 32 * @compile -processor TestIterables -proc:only Foo1.java | |
| 33 * @compile Foo1.java | |
| 34 * @compile -processor TestIterables Foo1 TestIterables.java | |
| 35 */ | |
| 36 | |
| 37 import java.util.Set; | |
| 38 import java.util.HashSet; | |
| 39 import java.util.Arrays; | |
| 40 import java.util.Iterator; | |
| 41 import javax.annotation.processing.*; | |
| 42 import javax.lang.model.SourceVersion; | |
| 43 import static javax.lang.model.SourceVersion.*; | |
| 44 import javax.lang.model.element.*; | |
| 45 import javax.lang.model.util.*; | |
| 46 import static javax.tools.Diagnostic.Kind.*; | |
| 47 | |
| 48 import static javax.lang.model.util.ElementFilter.*; | |
| 49 | |
| 50 /** | |
| 51 * Verify that the {@code ElementFilter} methods taking iterables | |
| 52 * behave correctly by comparing ExpectedElementCounts with actual | |
| 53 * results. | |
| 54 */ | |
| 55 @SupportedAnnotationTypes("ExpectedElementCounts") | |
| 56 @ExpectedElementCounts(methods=2) | |
| 57 public class TestIterables extends JavacTestingAbstractProcessor { | |
| 58 public boolean process(Set<? extends TypeElement> annotations, | |
| 59 RoundEnvironment roundEnv) { | |
| 60 if (!roundEnv.processingOver()) { | |
| 61 boolean error = false; | |
| 62 int topLevelCount = 0; | |
| 63 | |
| 64 for (TypeElement type : typesIn(roundEnv.getRootElements())) { | |
| 65 topLevelCount++; | |
| 66 ExpectedElementCounts elementCounts = type.getAnnotation(ExpectedElementCounts.class); | |
| 67 if (elementCounts == null) | |
| 68 throw new RuntimeException("Missing ExpectedElementCounts annotation!"); | |
| 69 | |
| 70 Iterable<? extends Element> irritable = type.getEnclosedElements(); | |
| 71 | |
| 72 int constructorCount = getCount(constructorsIn(irritable)); | |
| 73 int fieldCount = getCount(fieldsIn(irritable)); | |
| 74 int methodCount = getCount(methodsIn(irritable)); | |
| 75 int typeCount = getCount(typesIn(irritable)); | |
| 76 | |
| 77 System.out.println("\nType: " + type.getQualifiedName()); | |
| 78 System.out.format("Element Actual\tExpected%n"); | |
| 79 System.out.format("constructors %d\t\t%d%n", constructorCount, elementCounts.constructors()); | |
| 80 System.out.format("fields %d\t\t%d%n", fieldCount, elementCounts.fields()); | |
| 81 System.out.format("methods %d\t\t%d%n", methodCount, elementCounts.methods()); | |
| 82 System.out.format("types %d\t\t%d%n", typeCount, elementCounts.types()); | |
| 83 | |
| 84 if ((constructorCount != elementCounts.constructors()) || | |
| 85 (fieldCount != elementCounts.fields()) || | |
| 86 (methodCount != elementCounts.methods()) || | |
| 87 (typeCount != elementCounts.types()) ) | |
| 88 error = true; | |
| 89 } | |
| 90 | |
| 91 if (topLevelCount == 0) | |
| 92 error = true; | |
| 93 | |
| 94 if (error) | |
| 95 throw new RuntimeException("A count mismatch has occured."); | |
| 96 } | |
| 97 | |
| 98 return true; | |
| 99 } | |
| 100 | |
| 101 private int getCount(Iterable<? extends Element> iter) { | |
| 102 int count1 = 0; | |
| 103 int count2 = 0; | |
| 104 | |
| 105 Iterator<? extends Element> iterator = iter.iterator(); | |
| 106 while (iterator.hasNext() ) { | |
| 107 count1++; | |
| 108 iterator.next(); | |
| 109 } | |
| 110 | |
| 111 iterator = iter.iterator(); | |
| 112 while (iterator.hasNext() ) { | |
| 113 count2++; | |
| 114 iterator.next(); | |
| 115 } | |
| 116 | |
| 117 if (count1 != count2) | |
| 118 throw new RuntimeException("Inconsistent counts from iterator."); | |
| 119 | |
| 120 return count1; | |
| 121 } | |
| 122 } |
