1 /* 2 * Copyright (c) 2006, 2015, 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 6449798 6399404 8173776 27 * @summary Test basic workings of PackageElement 28 * @author Joseph D. Darcy 29 * @library /tools/javac/lib 30 * @modules java.compiler 31 * jdk.compiler 32 * @build JavacTestingAbstractProcessor TestPackageElement 33 * @compile -processor TestPackageElement -proc:only TestPackageElement.java 34 * @compile -processor TestPackageElement -proc:only --release 8 TestPackageElement.java 35 */ 36 37 import java.util.Objects; 38 import java.util.Set; 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.lang.model.util.ElementFilter.*; 45 import static javax.tools.Diagnostic.Kind.*; 46 import static javax.tools.StandardLocation.*; 47 48 /** 49 * Test basic workings of PackageElement. 50 */ 51 public class TestPackageElement extends JavacTestingAbstractProcessor { 52 public boolean process(Set<? extends TypeElement> annotations, 53 RoundEnvironment roundEnv) { 54 if (!roundEnv.processingOver()) { 55 PackageElement unnamedPkg = eltUtils.getPackageElement(""); 56 57 if (!unnamedPkg.getQualifiedName().contentEquals("")) 58 throw new RuntimeException("The unnamed package is named!"); 59 60 // The next line tests an implementation detail upon which 61 // some diagnostics depend. 62 if (!unnamedPkg.toString().equals("unnamed package")) 63 throw new RuntimeException( 64 "toString on unnamed package: " + unnamedPkg); 65 66 if (!unnamedPkg.isUnnamed()) 67 throw new RuntimeException("The isUnnamed method on the unnamed package returned false!"); 68 69 PackageElement javaLang = eltUtils.getPackageElement("java.lang"); 70 if (javaLang.isUnnamed()) 71 throw new RuntimeException("Package java.lang is unnamed!"); 72 73 testEnclosingElement(javaLang); 74 } 75 return true; 76 } 77 78 void testEnclosingElement(PackageElement javaLang) { 79 SourceVersion version = processingEnv.getSourceVersion(); 80 Element enclosing = javaLang.getEnclosingElement(); 81 Element expectedEnclosing = 82 (version.compareTo(RELEASE_9) < 0) ? // No modules 83 null : 84 eltUtils.getModuleElement("java.base"); 85 86 if (!Objects.equals(enclosing, expectedEnclosing)) 87 throw new RuntimeException("Unexpected enclosing element under source version " + 88 version); 89 } 90 }