1 /* 2 * Copyright (c) 2016, 2017, 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 * @modules java.base/jdk.internal.misc 27 * @library /test/lib .. 28 * @build sun.hotspot.WhiteBox 29 * @compile/module=java.base java/lang/ModuleHelper.java 30 * @run main ClassFileInstaller sun.hotspot.WhiteBox 31 * sun.hotspot.WhiteBox$WhiteBoxPermission 32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI JVMDefineModule 33 */ 34 35 import static jdk.test.lib.Asserts.*; 36 import java.sql.Time; 37 38 public class JVMDefineModule { 39 40 public static void main(String args[]) throws Throwable { 41 MyClassLoader cl = new MyClassLoader(); 42 Object m; 43 44 // NULL classloader argument, expect success 45 m = ModuleHelper.ModuleObject("mymodule", null, new String[] { "mypackage" }); 46 assertNotNull(m, "Module should not be null"); 47 ModuleHelper.DefineModule(m, false, "9.0", "mymodule/here", new String[] { "mypackage" }); 48 49 /* Invalid test, won't compile. 50 // Invalid classloader argument, expect an IAE 51 try { 52 m = ModuleHelper.ModuleObject("mymodule_one", new Object(), new String[] { "mypackage1" }); 53 ModuleHelper.DefineModule(m, false, "9.0", "mymodule/here", new String[] { "mypackage1" }); 54 throw new RuntimeException("Failed to get expected IAE for bad loader"); 55 } catch(IllegalArgumentException e) { 56 // Expected 57 } 58 */ 59 60 // NULL package argument, should not throw an exception 61 m = ModuleHelper.ModuleObject("mymoduleTwo", cl, new String[] { "nullpkg" }); 62 assertNotNull(m, "Module should not be null"); 63 ModuleHelper.DefineModule(m, false, "9.0", "mymoduleTwo/here", null); 64 65 // Null module argument, expect an NPE 66 try { 67 ModuleHelper.DefineModule(null, false, "9.0", "mymodule/here", new String[] { "mypackage1" }); 68 throw new RuntimeException("Failed to get expected NPE for null module"); 69 } catch(NullPointerException e) { 70 if (!e.getMessage().contains("Null module object")) { 71 throw new RuntimeException("Failed to get expected IAE message for null module: " + e.getMessage()); 72 } 73 // Expected 74 } 75 76 // Invalid module argument, expect an IAE 77 try { 78 ModuleHelper.DefineModule(new Object(), false, "9.0", "mymodule/here", new String[] { "mypackage1" }); 79 throw new RuntimeException("Failed to get expected IAE or NPE for bad module"); 80 } catch(IllegalArgumentException e) { 81 if (!e.getMessage().contains("module is not an instance of type java.lang.Module")) { 82 throw new RuntimeException("Failed to get expected IAE message for bad module: " + e.getMessage()); 83 } 84 } 85 86 // NULL module name, expect an IAE or NPE 87 try { 88 m = ModuleHelper.ModuleObject(null, cl, new String[] { "mypackage2" }); 89 ModuleHelper.DefineModule(m, false, "9.0", "mymodule/here", new String[] { "mypackage2" }); 90 throw new RuntimeException("Failed to get expected NPE for NULL module"); 91 } catch(IllegalArgumentException e) { 92 // Expected 93 } catch(NullPointerException e) { 94 // Expected 95 } 96 97 // module name is java.base, expect an IAE 98 m = ModuleHelper.ModuleObject("java.base", cl, new String[] { "mypackage3" }); 99 try { 100 ModuleHelper.DefineModule(m, false, "9.0", "mymodule/here", new String[] { "mypackage3" }); 101 throw new RuntimeException("Failed to get expected IAE for java.base, not defined with boot class loader"); 102 } catch(IllegalArgumentException e) { 103 if (!e.getMessage().contains("Class loader must be the boot class loader")) { 104 throw new RuntimeException("Failed to get expected IAE message for java.base: " + e.getMessage()); 105 } 106 } 107 108 // Empty entry in package list, expect an IAE 109 m = ModuleHelper.ModuleObject("module.y", cl, new String[] { "mypackageX", "mypackageY" }); 110 try { 111 ModuleHelper.DefineModule(m, false, "9.0", "mymodule/here", new String[] { "mypackageX", "", "mypackageY" }); 112 throw new RuntimeException("Failed to get IAE for empty package"); 113 } catch(IllegalArgumentException e) { 114 if (!e.getMessage().contains("Invalid package name")) { 115 throw new RuntimeException("Failed to get expected IAE message empty package entry: " + e.getMessage()); 116 } 117 } 118 119 // Duplicate module name, expect an ISE 120 m = ModuleHelper.ModuleObject("Module_A", cl, new String[] { "mypackage6" }); 121 assertNotNull(m, "Module should not be null"); 122 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage6" }); 123 try { 124 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage6a" }); 125 throw new RuntimeException("Failed to get ISE for duplicate module"); 126 } catch(IllegalStateException e) { 127 if (!e.getMessage().contains("Module Module_A is already defined")) { 128 throw new RuntimeException("Failed to get expected ISE message for duplicate module: " + e.getMessage()); 129 } 130 } 131 132 // Package is already defined for class loader, expect an ISE 133 m = ModuleHelper.ModuleObject("dupl.pkg.module", cl, new String[] { "mypackage6b" }); 134 try { 135 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage6" }); 136 throw new RuntimeException("Failed to get ISE for existing package"); 137 } catch(IllegalStateException e) { 138 if (!e.getMessage().contains("Package mypackage6 for module dupl.pkg.module is already in another module, Module_A, defined to the class loader")) { 139 throw new RuntimeException("Failed to get expected ISE message for duplicate package: " + e.getMessage()); 140 } 141 } 142 143 // Empty module name, expect an IAE 144 try { 145 m = ModuleHelper.ModuleObject("", cl, new String[] { "mypackage8" }); 146 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage8" }); 147 throw new RuntimeException("Failed to get expected IAE for empty module name"); 148 } catch(IllegalArgumentException e) { 149 // Expected 150 } 151 152 // Module name with ';', not allowed in java source 153 try { 154 m = ModuleHelper.ModuleObject("bad;name", cl, new String[] { "mypackage9" }); 155 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage9" }); 156 throw new RuntimeException("Failed to get expected IAE for bad;name"); 157 } catch(IllegalArgumentException e) { 158 // Expected 159 } 160 161 // Module name with leading dot, not allowed in java source 162 try { 163 m = ModuleHelper.ModuleObject(".leadingdot", cl, new String[] { "mypackage9a" }); 164 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage9a" }); 165 throw new RuntimeException("Failed to get expected IAE for .leadingdot"); 166 } catch(IllegalArgumentException e) { 167 // Expected 168 } 169 170 // Module name with trailing dot, not allowed in java source 171 try { 172 m = ModuleHelper.ModuleObject("trailingdot.", cl, new String[] { "mypackage9b" }); 173 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage9b" }); 174 throw new RuntimeException("Failed to get expected IAE for trailingdot."); 175 } catch(IllegalArgumentException e) { 176 // Expected 177 } 178 179 // Module name with consecutive dots, not allowed in java source 180 try { 181 m = ModuleHelper.ModuleObject("trailingdot.", cl, new String[] { "mypackage9b" }); 182 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage9b" }); 183 throw new RuntimeException("Failed to get expected IAE for trailingdot."); 184 } catch(IllegalArgumentException e) { 185 // Expected 186 } 187 188 // module name with multiple dots, should be okay 189 m = ModuleHelper.ModuleObject("more.than.one.dat", cl, new String[] { "mypackage9d" }); 190 assertNotNull(m, "Module should not be null"); 191 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "mypackage9d" }); 192 193 // Zero length package list, should be okay 194 m = ModuleHelper.ModuleObject("zero.packages", cl, new String[] { }); 195 assertNotNull(m, "Module should not be null"); 196 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { }); 197 198 // Invalid package name, expect an IAE 199 m = ModuleHelper.ModuleObject("moduleFive", cl, new String[] { "your.package" }); 200 try { 201 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "your.package" }); 202 throw new RuntimeException("Failed to get expected IAE for your.package"); 203 } catch(IllegalArgumentException e) { 204 if (!e.getMessage().contains("Invalid package name")) { 205 throw new RuntimeException("Failed to get expected IAE message for bad package name: " + e.getMessage()); 206 } 207 } 208 209 // Invalid package name, expect an IAE 210 m = ModuleHelper.ModuleObject("moduleSix", cl, new String[] { "foo" }); // Name irrelevant 211 try { 212 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { ";your/package" }); 213 throw new RuntimeException("Failed to get expected IAE for ;your.package"); 214 } catch(IllegalArgumentException e) { 215 if (!e.getMessage().contains("Invalid package name")) { 216 throw new RuntimeException("Failed to get expected IAE message for bad package name: " + e.getMessage()); 217 } 218 } 219 220 // Invalid package name, expect an IAE 221 m = ModuleHelper.ModuleObject("moduleSeven", cl, new String[] { "foo" }); // Name irrelevant 222 try { 223 ModuleHelper.DefineModule(m, false, "9.0", "module.name/here", new String[] { "7[743" }); 224 throw new RuntimeException("Failed to get expected IAE for package 7[743"); 225 } catch(IllegalArgumentException e) { 226 if (!e.getMessage().contains("Invalid package name")) { 227 throw new RuntimeException("Failed to get expected IAE message for bad package name: " + e.getMessage()); 228 } 229 } 230 231 // Package named "java" defined to a class loader other than the boot or platform class loader, expect an IAE 232 m = ModuleHelper.ModuleObject("modulejavapkgOne", cl, new String[] { "java/foo" }); 233 try { 234 // module m is defined to an instance of MyClassLoader class loader 235 ModuleHelper.DefineModule(m, false, "9.0", "modulejavapkgOne", new String[] { "java/foo" }); 236 throw new RuntimeException("Failed to get expected IAE for package java/foo"); 237 } catch(IllegalArgumentException e) { 238 if (!e.getMessage().contains("prohibited package name")) { 239 throw new RuntimeException("Failed to get expected IAE message for prohibited package name: " + e.getMessage()); 240 } 241 } 242 243 // Package named "javabar" defined to a class loader other than the boot or platform class loader, should be ok 244 m = ModuleHelper.ModuleObject("modulejavapkgTwo", cl, new String[] { "javabar" }); 245 assertNotNull(m, "Module should not be null"); 246 ModuleHelper.DefineModule(m, false, "9.0", "modulejavapkgTwo", new String[] { "javabar" }); 247 248 // Package named "java" defined to the boot class loader, should be ok 249 // m's type is a java.lang.Object, module is java.base 250 // java.base module is defined to the boot loader 251 ClassLoader boot_loader = m.getClass().getClassLoader(); 252 m = ModuleHelper.ModuleObject("modulejavapkgThree", boot_loader, new String[] { "java/foo" }); 253 assertNotNull(m, "Module should not be null"); 254 ModuleHelper.DefineModule(m, false, "9.0", "modulejavapkgThree", new String[] { "java/foo" }); 255 256 // Package named "java" defined to the platform class loader, should be ok 257 // java.sql module defined to the platform class loader. 258 java.sql.Time jst = new java.sql.Time(45 * 1000); 259 ClassLoader platform_loader = jst.getClass().getClassLoader(); 260 m = ModuleHelper.ModuleObject("modulejavapkgFour", platform_loader, new String[] { "java/foo" }); 261 assertNotNull(m, "Module should not be null"); 262 ModuleHelper.DefineModule(m, false, "9.0", "modulejavapkgFour", new String[] { "java/foo" }); 263 264 // module version that is null, should be okay 265 m = ModuleHelper.ModuleObject("moduleEight", cl, new String[] { "a_package_8" }); 266 assertNotNull(m, "Module should not be null"); 267 ModuleHelper.DefineModule(m, false, null, "moduleEight/here", new String[] { "a_package_8" }); 268 269 // module version that is "", should be okay 270 m = ModuleHelper.ModuleObject("moduleNine", cl, new String[] { "a_package_9" }); 271 assertNotNull(m, "Module should not be null"); 272 ModuleHelper.DefineModule(m, false, "", "moduleNine/here", new String[] { "a_package_9" }); 273 274 // module location that is null, should be okay 275 m = ModuleHelper.ModuleObject("moduleTen", cl, new String[] { "a_package_10" }); 276 assertNotNull(m, "Module should not be null"); 277 ModuleHelper.DefineModule(m, false, "9.0", null, new String[] { "a_package_10" }); 278 279 // module location that is "", should be okay 280 m = ModuleHelper.ModuleObject("moduleEleven", cl, new String[] { "a_package_11" }); 281 assertNotNull(m, "Module should not be null"); 282 ModuleHelper.DefineModule(m, false, "9.0", "", new String[] { "a_package_11" }); 283 } 284 285 static class MyClassLoader extends ClassLoader { } 286 }