1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/annotations/typeAnnotations/api/ArrayPositionConsistency.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,141 @@
1.4 +/*
1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @summary Checks that the interaction between annotated and unannotated
1.30 + * array levels
1.31 + */
1.32 +
1.33 +import com.sun.tools.javac.api.JavacTool;
1.34 +import java.lang.annotation.*;
1.35 +import java.io.File;
1.36 +import java.io.PrintWriter;
1.37 +import java.util.Arrays;
1.38 +import java.util.List;
1.39 +import java.util.Map;
1.40 +import java.util.HashMap;
1.41 +import javax.tools.JavaFileManager;
1.42 +import javax.tools.JavaFileObject;
1.43 +import com.sun.source.tree.*;
1.44 +import com.sun.source.util.JavacTask;
1.45 +import com.sun.source.util.TreeScanner;
1.46 +import javax.tools.StandardJavaFileManager;
1.47 +
1.48 +
1.49 +public class ArrayPositionConsistency {
1.50 + public static void main(String[] args) throws Exception {
1.51 + PrintWriter out = new PrintWriter(System.out, true);
1.52 + JavacTool tool = JavacTool.create();
1.53 + StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
1.54 + File testSrc = new File(System.getProperty("test.src"));
1.55 + Iterable<? extends JavaFileObject> f =
1.56 + fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, "ArrayPositionConsistency.java")));
1.57 + JavacTask task = tool.getTask(out, fm, null, null, null, f);
1.58 + Iterable<? extends CompilationUnitTree> trees = task.parse();
1.59 + out.flush();
1.60 +
1.61 + Scanner s = new Scanner();
1.62 + for (CompilationUnitTree t: trees)
1.63 + s.scan(t, null);
1.64 +
1.65 + }
1.66 +
1.67 + private static class Scanner extends TreeScanner<Void,Void> {
1.68 + int foundAnnotations = 0;
1.69 + public Void visitCompilationUnit(CompilationUnitTree node, Void ignore) {
1.70 + super.visitCompilationUnit(node, ignore);
1.71 + if (foundAnnotations != expectedAnnotations) {
1.72 + throw new AssertionError("Expected " + expectedAnnotations +
1.73 + " annotations but found: " + foundAnnotations);
1.74 + }
1.75 + return null;
1.76 + }
1.77 +
1.78 + private void testAnnotations(List<? extends AnnotationTree> annos, int found) {
1.79 + String annotation = annos.get(0).toString();
1.80 + foundAnnotations++;
1.81 +
1.82 + int expected = -1;
1.83 + if (annotation.equals("@A()"))
1.84 + expected = 0;
1.85 + else if (annotation.equals("@B()"))
1.86 + expected = 1;
1.87 + else if (annotation.equals("@C()"))
1.88 + expected = 2;
1.89 + else
1.90 + throw new AssertionError("found an unexpected annotation: " + annotation);
1.91 + if (found != expected) {
1.92 + throw new AssertionError("Unexpected found length" +
1.93 + ", found " + found + " but expected " + expected);
1.94 + }
1.95 + }
1.96 +
1.97 + public Void visitAnnotatedType(AnnotatedTypeTree node, Void ignore) {
1.98 + testAnnotations(node.getAnnotations(), arrayLength(node));
1.99 + return super.visitAnnotatedType(node, ignore);
1.100 + }
1.101 +
1.102 + private int arrayLength(Tree tree) {
1.103 + switch (tree.getKind()) {
1.104 + case ARRAY_TYPE:
1.105 + return 1 + arrayLength(((ArrayTypeTree)tree).getType());
1.106 + case ANNOTATED_TYPE:
1.107 + return arrayLength(((AnnotatedTypeTree)tree).getUnderlyingType());
1.108 + default:
1.109 + return 0;
1.110 + }
1.111 + }
1.112 + }
1.113 +
1.114 + static int expectedAnnotations = 23;
1.115 +
1.116 + // visited code
1.117 + @A String @C [] @B [] field1;
1.118 + @A String @C [] [] field2;
1.119 + @A String [] @B [] field3;
1.120 + String [] @B [] field4;
1.121 +
1.122 + @A List<String> @C [] @B [] genfield1;
1.123 + @A List<String> @C [] [] genfield2;
1.124 + @A List<String> [] @B [] genfield3;
1.125 + List<String> [] @B [] genfield4;
1.126 +
1.127 + List<@A String @C [] @B []> typearg1;
1.128 + List<@A String @C [] []> typearg2;
1.129 + List<@A String [] @B []> typearg3;
1.130 + List< String [] @B []> typearg4;
1.131 +
1.132 + void vararg1(@A String @C [] @B ... arg) {}
1.133 + void vararg2(@A String @C [] ... arg) {}
1.134 + void vararg3(@A String [] @B ... arg) {}
1.135 + void vararg4( String [] @B ... arg) {}
1.136 +
1.137 + @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
1.138 + @interface A {}
1.139 + @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
1.140 + @interface B {}
1.141 + @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
1.142 + @interface C {}
1.143 +
1.144 +}
