1 /*
   2  * Copyright (c) 2016, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /* @test
  27  * @compile TestFindClass.java TestCls.java
  28  * @run testng/othervm -ea -esa test.java.lang.invoke.t8150782.TestFindClass
  29  */
  30 package test.java.lang.invoke.t8150782;
  31 
  32 import java.lang.invoke.*;
  33 
  34 import static java.lang.invoke.MethodHandles.*;
  35 
  36 import static org.testng.AssertJUnit.*;
  37 
  38 import org.testng.annotations.*;
  39 
  40 public class TestFindClass {
  41 
  42     private static final String PACKAGE_PREFIX = "test.java.lang.invoke.t8150782.";
  43 
  44     private static boolean initializedClass1;
  45 
  46     private static class Class1 {
  47         static {
  48             initializedClass1 = true;
  49         }
  50     }
  51 
  52     @Test
  53     public void initializerNotRun() throws IllegalAccessException, ClassNotFoundException {
  54         lookup().findClass(PACKAGE_PREFIX + "TestFindClass$Class1");
  55         assertFalse(initializedClass1);
  56     }
  57 
  58     @Test
  59     public void returnsRequestedClass() throws IllegalAccessException, ClassNotFoundException {
  60         Class<?> aClass = lookup().findClass(PACKAGE_PREFIX + "TestFindClass$Class1");
  61         assertEquals(Class1.class, aClass);
  62     }
  63 
  64     @Test(expectedExceptions = {ClassNotFoundException.class})
  65     public void classNotFoundExceptionTest() throws IllegalAccessException, ClassNotFoundException {
  66         lookup().findClass(PACKAGE_PREFIX + "TestFindClass$NonExistent");
  67     }
  68 
  69     @DataProvider
  70     Object[][] illegalAccessFind() {
  71         return new Object[][] {
  72                 {publicLookup(), PACKAGE_PREFIX + "TestFindClass$Class1"},
  73                 {publicLookup(), PACKAGE_PREFIX + "TestCls$PrivateSIC"}
  74         };
  75     }
  76 
  77     /**
  78      * Assertion: @throws IllegalAccessException if the class is not accessible, using the allowed access modes.
  79      */
  80     @Test(dataProvider = "illegalAccessFind", expectedExceptions = {ClassNotFoundException.class})
  81     public void illegalAccessExceptionTest(Lookup lookup, String className) throws IllegalAccessException, ClassNotFoundException {
  82         lookup.findClass(className);
  83     }
  84 
  85     @Test
  86     public void okAccess() throws IllegalAccessException, ClassNotFoundException {
  87         lookup().findClass(PACKAGE_PREFIX + "TestCls$PrivateSIC");
  88     }
  89 
  90 }