< prev index next >

test/jdk/java/util/ServiceLoader/BadProvidersTest.java

Print this page

  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  * @library /test/lib
 27  * @modules jdk.compiler
 28  * @build jdk.test.lib.compiler.CompilerUtils
 29  * @run testng/othervm BadProvidersTest
 30  * @summary Basic test of ServiceLoader with bad provider and bad provider
 31  *          factories deployed on the module path
 32  */
 33 
 34 import java.lang.classfile.ClassFile;
 35 import java.lang.constant.ClassDesc;
 36 import java.lang.constant.MethodTypeDesc;
 37 import java.lang.module.Configuration;
 38 import java.lang.module.ModuleFinder;
 39 import java.lang.reflect.AccessFlag;
 40 import java.nio.file.Files;
 41 import java.nio.file.Path;
 42 import java.nio.file.Paths;
 43 import java.nio.file.StandardCopyOption;
 44 import java.util.List;
 45 import java.util.ServiceConfigurationError;

198         Path classFile = Paths.get("p", "Provider.class");
199         Files.copy(output.resolve(classFile),
200                    mods.resolve(TEST2_MODULE).resolve(classFile),
201                    StandardCopyOption.REPLACE_EXISTING);
202 
203         // load providers and instantiate each one
204         loadProviders(mods, TEST2_MODULE).forEach(Provider::get);
205     }
206 
207 
208     /**
209      * Test a service provider that defines more than one no-args
210      * public static "provider" method.
211      */
212     @Test(expectedExceptions = ServiceConfigurationError.class)
213     public void testWithTwoFactoryMethods() throws Exception {
214         Path mods = compileTest(TEST1_MODULE);
215 
216         var bytes = ClassFile.of().build(ClassDesc.of("p", "ProviderFactory"), clb -> {
217             clb.withSuperclass(CD_Object);
218             clb.withFlags(AccessFlag.PUBLIC, AccessFlag.SUPER);
219 
220             var providerFactory$1 = ClassDesc.of("p", "ProviderFactory$1");
221 
222             // public static p.Service provider()
223             clb.withMethodBody("provider", MethodTypeDesc.of(ClassDesc.of("p", "Service")),
224                     ACC_PUBLIC | ACC_STATIC, cob -> {
225                         cob.new_(providerFactory$1);
226                         cob.dup();
227                         cob.invokespecial(providerFactory$1, INIT_NAME, MTD_void);
228                         cob.areturn();
229                     });
230 
231             // public static p.ProviderFactory$1 provider()
232             clb.withMethodBody("provider", MethodTypeDesc.of(providerFactory$1),
233                     ACC_PUBLIC | ACC_STATIC, cob -> {
234                         cob.new_(providerFactory$1);
235                         cob.dup();
236                         cob.invokespecial(providerFactory$1, INIT_NAME, MTD_void);
237                         cob.areturn();
238                     });

  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  * @enablePreview
 27  * @library /test/lib
 28  * @modules jdk.compiler
 29  * @build jdk.test.lib.compiler.CompilerUtils
 30  * @run testng/othervm BadProvidersTest
 31  * @summary Basic test of ServiceLoader with bad provider and bad provider
 32  *          factories deployed on the module path
 33  */
 34 
 35 import java.lang.classfile.ClassFile;
 36 import java.lang.constant.ClassDesc;
 37 import java.lang.constant.MethodTypeDesc;
 38 import java.lang.module.Configuration;
 39 import java.lang.module.ModuleFinder;
 40 import java.lang.reflect.AccessFlag;
 41 import java.nio.file.Files;
 42 import java.nio.file.Path;
 43 import java.nio.file.Paths;
 44 import java.nio.file.StandardCopyOption;
 45 import java.util.List;
 46 import java.util.ServiceConfigurationError;

199         Path classFile = Paths.get("p", "Provider.class");
200         Files.copy(output.resolve(classFile),
201                    mods.resolve(TEST2_MODULE).resolve(classFile),
202                    StandardCopyOption.REPLACE_EXISTING);
203 
204         // load providers and instantiate each one
205         loadProviders(mods, TEST2_MODULE).forEach(Provider::get);
206     }
207 
208 
209     /**
210      * Test a service provider that defines more than one no-args
211      * public static "provider" method.
212      */
213     @Test(expectedExceptions = ServiceConfigurationError.class)
214     public void testWithTwoFactoryMethods() throws Exception {
215         Path mods = compileTest(TEST1_MODULE);
216 
217         var bytes = ClassFile.of().build(ClassDesc.of("p", "ProviderFactory"), clb -> {
218             clb.withSuperclass(CD_Object);
219             clb.withFlags(AccessFlag.PUBLIC, AccessFlag.IDENTITY);
220 
221             var providerFactory$1 = ClassDesc.of("p", "ProviderFactory$1");
222 
223             // public static p.Service provider()
224             clb.withMethodBody("provider", MethodTypeDesc.of(ClassDesc.of("p", "Service")),
225                     ACC_PUBLIC | ACC_STATIC, cob -> {
226                         cob.new_(providerFactory$1);
227                         cob.dup();
228                         cob.invokespecial(providerFactory$1, INIT_NAME, MTD_void);
229                         cob.areturn();
230                     });
231 
232             // public static p.ProviderFactory$1 provider()
233             clb.withMethodBody("provider", MethodTypeDesc.of(providerFactory$1),
234                     ACC_PUBLIC | ACC_STATIC, cob -> {
235                         cob.new_(providerFactory$1);
236                         cob.dup();
237                         cob.invokespecial(providerFactory$1, INIT_NAME, MTD_void);
238                         cob.areturn();
239                     });
< prev index next >