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 8230337 27 * @summary Test Elements.getModuleOf 28 * @library /tools/javac/lib 29 * @modules java.compiler 30 * jdk.compiler 31 * @build JavacTestingAbstractProcessor TestGetModuleOf 32 * @compile -processor TestGetModuleOf -proc:only TestGetModuleOf.java 33 * @compile -processor TestGetModuleOf -proc:only -source 8 TestGetModuleOf.java 34 */ 35 36 // Also run test under -source 8 to test old behavior pre-modules. 37 38 import java.util.*; 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 Elements.getModuleOf 50 */ 51 public class TestGetModuleOf extends JavacTestingAbstractProcessor { 52 /** 53 * Check expected behavior on classes and packages and other elements. 54 */ 55 public boolean process(Set<? extends TypeElement> annotations, 56 RoundEnvironment roundEnv) { 57 if (!roundEnv.processingOver()) { 58 TypeElement charElt = eltUtils.getTypeElement("java.lang.Character"); 59 PackageElement javaLangPkg = eltUtils.getPackageElement("java.lang"); 60 ModuleElement expectedMod = enclosingToModule(javaLangPkg); 61 62 checkMod(charElt, expectedMod); 63 checkMod(javaLangPkg, expectedMod); 64 65 // The module of fields and methods and nested types of 66 // java.lang.Character should match the module of 67 // java.lang. 68 for (Element e : charElt.getEnclosedElements()) { 69 checkMod(e, expectedMod); 70 } 71 72 // A module of a module is itself 73 if (expectedMod != null) 74 checkMod(expectedMod, expectedMod); 75 } 76 return true; 77 } 78 79 private ModuleElement enclosingToModule(Element e) { 80 Element enclosing = e.getEnclosingElement(); 81 if (enclosing == null) 82 return null; 83 else 84 return ElementFilter.modulesIn(List.of(enclosing)).get(0); 85 } 86 87 private void checkMod(Element e, ModuleElement expectedMod) { 88 ModuleElement actualMod = eltUtils.getModuleOf(e); 89 if (!Objects.equals(actualMod, expectedMod)) { 90 throw new RuntimeException(String.format("Unexpected module ``%s''' for %s %s, expected ``%s''%n", 91 actualMod, e.getKind(), e.toString(), expectedMod)); 92 } 93 } 94 }