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test/hotspot/jtreg/gc/g1/humongousObjects/TestHumongousClassLoader.java

8217385: JTREG: Clean up, make sure to close resources

138             }                                                                                                              
139         };                                                                                                                 
140         private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();                                                  
141 
142         public abstract void provoke();                                                                                    
143     }                                                                                                                      
144 
145     public static void main(String[] args) throws ClassNotFoundException, InstantiationException,                          
146             IllegalAccessException, IOException, NoSuchMethodException, InvocationTargetException {                        
147 
148         if (args.length != 1) {                                                                                            
149             throw new Error("Test Bug: Expected GC type wasn't provided as command line argument");                        
150         }                                                                                                                  
151         GC gc = GC.valueOf(args[0]);                                                                                       
152 
153         Path wrkDir = Paths.get("");                                                                                       
154         URL[] url = {wrkDir.toUri().toURL()};                                                                              
155         URLClassLoader urlLoader = new URLClassLoader(url);                                                                
156 
157         Class<?> simpleClassLoaderClass = urlLoader.loadClass(SIMPLE_CLASSLOADER_NAME);                                    
                                                                                                                           
158 
159         ClassLoader simpleClassLoader = (ClassLoader) simpleClassLoaderClass                                               
160                 .getConstructor(java.lang.ClassLoader.class)                                                               
161                 .newInstance(TestHumongousClassLoader.class.getClassLoader());                                             
162 
163         // Sanity check                                                                                                    
164         Asserts.assertEquals(WB.g1IsHumongous(simpleClassLoader), false,                                                   
165                 "Test Bug: simpleClassLoader is expected to be non-humongous but it's humongous");                         
166 
167 
168         Class<?> humongousClassLoaderClass = simpleClassLoader.loadClass(HUMONGOUS_CLASSLOADER_NAME);                      
169 
170         ClassLoader humongousClassLoader = (ClassLoader) humongousClassLoaderClass                                         
171                 .getConstructor(java.lang.ClassLoader.class)                                                               
172                 .newInstance(simpleClassLoader);                                                                           
173 
174         // Sanity check                                                                                                    
175         Asserts.assertEquals(WB.g1IsHumongous(humongousClassLoader), true,                                                 
176                 "Test Bug: humongousClassLoader is expected to be humongous but it's non-humongous");                      

138             }
139         };
140         private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
141 
142         public abstract void provoke();
143     }
144 
145     public static void main(String[] args) throws ClassNotFoundException, InstantiationException,
146             IllegalAccessException, IOException, NoSuchMethodException, InvocationTargetException {
147 
148         if (args.length != 1) {
149             throw new Error("Test Bug: Expected GC type wasn't provided as command line argument");
150         }
151         GC gc = GC.valueOf(args[0]);
152 
153         Path wrkDir = Paths.get("");
154         URL[] url = {wrkDir.toUri().toURL()};
155         URLClassLoader urlLoader = new URLClassLoader(url);
156 
157         Class<?> simpleClassLoaderClass = urlLoader.loadClass(SIMPLE_CLASSLOADER_NAME);
158         urlLoader.close();
159 
160         ClassLoader simpleClassLoader = (ClassLoader) simpleClassLoaderClass
161                 .getConstructor(java.lang.ClassLoader.class)
162                 .newInstance(TestHumongousClassLoader.class.getClassLoader());
163 
164         // Sanity check
165         Asserts.assertEquals(WB.g1IsHumongous(simpleClassLoader), false,
166                 "Test Bug: simpleClassLoader is expected to be non-humongous but it's humongous");
167 
168 
169         Class<?> humongousClassLoaderClass = simpleClassLoader.loadClass(HUMONGOUS_CLASSLOADER_NAME);
170 
171         ClassLoader humongousClassLoader = (ClassLoader) humongousClassLoaderClass
172                 .getConstructor(java.lang.ClassLoader.class)
173                 .newInstance(simpleClassLoader);
174 
175         // Sanity check
176         Asserts.assertEquals(WB.g1IsHumongous(humongousClassLoader), true,
177                 "Test Bug: humongousClassLoader is expected to be humongous but it's non-humongous");
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