1 /* 2 * Copyright (c) 2016, 2018, 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 import java.lang.module.ModuleDescriptor; 25 import java.lang.module.ModuleDescriptor.*; 26 import java.lang.module.ModuleFinder; 27 import java.lang.module.ModuleReference; 28 import java.io.IOException; 29 import java.io.UncheckedIOException; 30 import java.nio.file.Files; 31 import java.nio.file.Path; 32 import java.nio.file.Paths; 33 import java.util.List; 34 import java.util.Map; 35 import java.util.Set; 36 37 import jdk.internal.access.JavaLangModuleAccess; 38 import jdk.internal.access.SharedSecrets; 39 import org.testng.annotations.Test; 40 import static org.testng.Assert.*; 41 42 /** 43 * @test 44 * @bug 8142968 8173381 45 * @library /lib/testlibrary 46 * @modules java.base/jdk.internal.access 47 * @modules java.base/jdk.internal.module 48 * @modules java.base/jdk.internal.org.objectweb.asm 49 * @build ModuleTargetHelper 50 * @run testng SystemModulesTest 51 * @summary Verify the properties of ModuleDescriptor created 52 * by SystemModules 53 */ 54 55 public class SystemModulesTest { 56 private static final JavaLangModuleAccess JLMA = 57 SharedSecrets.getJavaLangModuleAccess(); 58 private static final String OS_NAME = System.getProperty("os.name"); 59 private static final String OS_ARCH = System.getProperty("os.arch"); 60 // system modules containing no package 61 private static final Set<String> EMPTY_MODULES = 62 Set.of("java.se", "jdk.jdwp.agent", "jdk.pack"); 63 64 @Test 65 public void testSystemModules() { 66 Path jimage = Paths.get(System.getProperty("java.home"), "lib", "modules"); 67 if (Files.notExists(jimage)) 68 return; 69 70 ModuleFinder.ofSystem().findAll().stream() 71 .forEach(this::checkAttributes); 72 } 73 74 // JMOD files are created with OS name and arch matching the bundle name 75 private boolean checkOSName(String name) { 76 if (OS_NAME.startsWith("Windows")) { 77 return name.equals("windows"); 78 } 79 80 switch (OS_NAME) { 81 case "Linux": 82 return name.equals("linux"); 83 case "SunOS": 84 return name.equals("solaris"); 85 case "Mac OS X": 86 return name.equals("macos"); 87 default: 88 // skip validation on unknown platform 89 System.out.println("Skip checking OS name in ModuleTarget: " + name); 90 return true; 91 } 92 } 93 94 private boolean checkOSArch(String name) { 95 if (name.equals(OS_ARCH)) 96 return true; 97 98 switch (OS_ARCH) { 99 case "i386": 100 case "x86": 101 return name.equals("x86"); 102 case "amd64": 103 case "x86_64": 104 return name.equals("amd64"); 105 default: 106 // skip validation on unknown platform 107 System.out.println("Skip checking OS arch in ModuleTarget: " + name); 108 return true; 109 } 110 } 111 112 private void checkAttributes(ModuleReference modRef) { 113 try { 114 ModuleTargetHelper.ModuleTarget mt = ModuleTargetHelper.read(modRef); 115 String[] values = mt.targetPlatform().split("-"); 116 assertTrue(checkOSName(values[0])); 117 assertTrue(checkOSArch(values[1])); 118 } catch (IOException exp) { 119 throw new UncheckedIOException(exp); 120 } 121 } 122 123 /** 124 * Verify ModuleDescriptor contains unmodifiable sets 125 */ 126 @Test 127 public void testUnmodifableDescriptors() throws Exception { 128 ModuleFinder.ofSystem().findAll() 129 .stream() 130 .map(ModuleReference::descriptor) 131 .forEach(this::testModuleDescriptor); 132 } 133 134 private void testModuleDescriptor(ModuleDescriptor md) { 135 assertUnmodifiable(md.packages(), "package"); 136 assertUnmodifiable(md.requires(), 137 JLMA.newRequires(Set.of(Requires.Modifier.TRANSITIVE), 138 "require", null)); 139 for (Requires req : md.requires()) { 140 assertUnmodifiable(req.modifiers(), Requires.Modifier.TRANSITIVE); 141 } 142 143 assertUnmodifiable(md.exports(), JLMA.newExports(Set.of(), "export", Set.of())); 144 for (Exports exp : md.exports()) { 145 assertUnmodifiable(exp.modifiers(), Exports.Modifier.SYNTHETIC); 146 assertUnmodifiable(exp.targets(), "target"); 147 } 148 149 assertUnmodifiable(md.opens(), JLMA.newOpens(Set.of(), "open", Set.of())); 150 for (Opens opens : md.opens()) { 151 assertUnmodifiable(opens.modifiers(), Opens.Modifier.SYNTHETIC); 152 assertUnmodifiable(opens.targets(), "target"); 153 } 154 155 assertUnmodifiable(md.uses(), "use"); 156 157 assertUnmodifiable(md.provides(), 158 JLMA.newProvides("provide", List.of("provide"))); 159 for (Provides provides : md.provides()) { 160 assertUnmodifiable(provides.providers(), "provide"); 161 } 162 163 } 164 165 private <T> void assertUnmodifiable(Set<T> set, T dummy) { 166 try { 167 set.add(dummy); 168 fail("Should throw UnsupportedOperationException"); 169 } catch (UnsupportedOperationException e) { 170 // pass 171 } catch (Exception e) { 172 fail("Should throw UnsupportedOperationException"); 173 } 174 } 175 176 private <T> void assertUnmodifiable(List<T> list, T dummy) { 177 try { 178 list.add(dummy); 179 fail("Should throw UnsupportedOperationException"); 180 } catch (UnsupportedOperationException e) { 181 // pass 182 } catch (Exception e) { 183 fail("Should throw UnsupportedOperationException"); 184 } 185 } 186 187 private <T, V> void assertUnmodifiable(Map<T, V> set, T dummyKey, V dummyValue) { 188 try { 189 set.put(dummyKey, dummyValue); 190 fail("Should throw UnsupportedOperationException"); 191 } catch (UnsupportedOperationException e) { 192 // pass 193 } catch (Exception e) { 194 fail("Should throw UnsupportedOperationException"); 195 } 196 } 197 198 }