1 /* 2 * Copyright (c) 2006, 2019, 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 6453386 8216404 8230337 27 * @summary Test Elements.getPackageOf 28 * @author Joseph D. Darcy 29 * @library /tools/javac/lib 30 * @modules java.compiler 31 * jdk.compiler 32 * @build JavacTestingAbstractProcessor TestGetPackageOf 33 * @compile -processor TestGetPackageOf -proc:only TestGetPackageOf.java 34 */ 35 36 import java.util.*; 37 import javax.annotation.processing.*; 38 import javax.lang.model.SourceVersion; 39 import static javax.lang.model.SourceVersion.*; 40 import javax.lang.model.element.*; 41 import javax.lang.model.util.*; 42 import static javax.lang.model.util.ElementFilter.*; 43 import static javax.tools.Diagnostic.Kind.*; 44 import static javax.tools.StandardLocation.*; 45 46 /** 47 * Test basic workings of Elements.getPackageOf 48 */ 49 public class TestGetPackageOf extends JavacTestingAbstractProcessor { 50 /** 51 * Check expected behavior on classes and packages and other elements. 52 */ 53 public boolean process(Set<? extends TypeElement> annotations, 54 RoundEnvironment roundEnv) { 55 if (!roundEnv.processingOver()) { 56 TypeElement charElt = eltUtils.getTypeElement("java.lang.Character"); 57 PackageElement javaLangPkg = eltUtils.getPackageElement("java.lang"); 58 PackageElement unnamedPkg = eltUtils.getPackageElement(""); 59 60 Map<Element, PackageElement> testCases = 61 Map.of(javaLangPkg, javaLangPkg, 62 charElt, javaLangPkg, 63 unnamedPkg, unnamedPkg); 64 65 for(var testCase : testCases.entrySet()) { 66 checkPkg(testCase.getKey(), testCase.getValue()); 67 } 68 69 // The package of fields and methods and nested types of 70 // java.lang.Character is java.lang. 71 for (Element e : charElt.getEnclosedElements()) { 72 checkPkg(e, javaLangPkg); 73 } 74 75 // A module has a null package. 76 checkPkg(eltUtils.getModuleElement("java.base"), null); 77 } 78 return true; 79 } 80 81 private void checkPkg(Element e, PackageElement expectedPkg) { 82 PackageElement actualPkg = eltUtils.getPackageOf(e); 83 if (!Objects.equals(actualPkg, expectedPkg)) { 84 throw new RuntimeException(String.format("Unexpected package ``%s''' for %s %s, expected ``%s''%n", 85 actualPkg, e.getKind(), e.toString(), expectedPkg)); 86 } 87 } 88 }