Tue, 25 May 2010 15:54:51 -0700
6943119: Rebrand source copyright notices
Reviewed-by: darcy
1 /*
2 * Copyright (c) 2006, 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 */
24 /*
25 * @test
26 * @bug 6406164
27 * @summary Test that ElementFilter iterable methods behave properly.
28 * @author Joseph D. Darcy
29 * @compile TestIterables.java
30 * @compile -processor TestIterables -proc:only Foo1.java
31 * @compile Foo1.java
32 * @compile -processor TestIterables Foo1 TestIterables.java
33 */
35 import java.util.Set;
36 import java.util.HashSet;
37 import java.util.Arrays;
38 import java.util.Iterator;
39 import javax.annotation.processing.*;
40 import javax.lang.model.SourceVersion;
41 import static javax.lang.model.SourceVersion.*;
42 import javax.lang.model.element.*;
43 import javax.lang.model.util.*;
44 import static javax.tools.Diagnostic.Kind.*;
46 import static javax.lang.model.util.ElementFilter.*;
48 /**
49 * Verify that the {@code ElementFilter} methods taking iterables
50 * behave correctly by comparing ExpectedElementCounts with actual
51 * results.
52 */
53 @SupportedAnnotationTypes("ExpectedElementCounts")
54 @ExpectedElementCounts(methods=3)
55 public class TestIterables extends AbstractProcessor {
57 public boolean process(Set<? extends TypeElement> annotations,
58 RoundEnvironment roundEnv) {
59 if (!roundEnv.processingOver()) {
60 boolean error = false;
61 int topLevelCount = 0;
63 for (TypeElement type : typesIn(roundEnv.getRootElements())) {
64 topLevelCount++;
65 ExpectedElementCounts elementCounts = type.getAnnotation(ExpectedElementCounts.class);
66 if (elementCounts == null)
67 throw new RuntimeException("Missing ExpectedElementCounts annotation!");
69 Iterable<? extends Element> irritable = type.getEnclosedElements();
71 int constructorCount = getCount(constructorsIn(irritable));
72 int fieldCount = getCount(fieldsIn(irritable));
73 int methodCount = getCount(methodsIn(irritable));
74 int typeCount = getCount(typesIn(irritable));
76 System.out.println("\nType: " + type.getQualifiedName());
77 System.out.format("Element Actual\tExpected%n");
78 System.out.format("constructors %d\t\t%d%n", constructorCount, elementCounts.constructors());
79 System.out.format("fields %d\t\t%d%n", fieldCount, elementCounts.fields());
80 System.out.format("methods %d\t\t%d%n", methodCount, elementCounts.methods());
81 System.out.format("types %d\t\t%d%n", typeCount, elementCounts.types());
83 if ((constructorCount != elementCounts.constructors()) ||
84 (fieldCount != elementCounts.fields()) ||
85 (methodCount != elementCounts.methods()) ||
86 (typeCount != elementCounts.types()) )
87 error = true;
88 }
90 if (topLevelCount == 0)
91 error = true;
93 if (error)
94 throw new RuntimeException("A count mismatch has occured.");
95 }
97 return true;
98 }
100 private int getCount(Iterable<? extends Element> iter) {
101 int count1 = 0;
102 int count2 = 0;
104 Iterator<? extends Element> iterator = iter.iterator();
105 while (iterator.hasNext() ) {
106 count1++;
107 iterator.next();
108 }
110 iterator = iter.iterator();
111 while (iterator.hasNext() ) {
112 count2++;
113 iterator.next();
114 }
116 if (count1 != count2)
117 throw new RuntimeException("Inconsistent counts from iterator.");
119 return count1;
120 }
122 @Override
123 public SourceVersion getSupportedSourceVersion() {
124 return SourceVersion.latest();
125 }
127 }