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test/hotspot/jtreg/runtime/Dictionary/CleanProtectionDomain.java

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  61       ProtectionDomain pd = new ProtectionDomain(null, null);
  62       byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
  63       Class<?> klass = classloader.defineClass("TestClass", klassbuf, pd);
  64     }
  65 
  66     public static void main(String[] args) throws Exception {
  67       WhiteBox wb = WhiteBox.getWhiteBox();
  68       int removedCountOrig =  wb.protectionDomainRemovedCount();
  69       int removedCount;
  70 
  71       test();
  72 
  73       // Wait until ServiceThread cleans ProtectionDomain table.
  74       // When the TestClassLoader is unloaded by GC, at least one
  75       // ProtectionDomainCacheEntry will be eligible for removal.
  76       int cnt = 0;
  77       while (true) {
  78         if (cnt++ % 30 == 0) {
  79           System.gc();
  80         }
  81         removedCount = wb.resolvedMethodRemovedCount();
  82         if (removedCountOrig != removedCount) {
  83           break;
  84         }
  85         Thread.sleep(100);
  86       }
  87     }
  88 
  89     private static class TestClassLoader extends ClassLoader {
  90       public TestClassLoader() {
  91         super();
  92       }
  93 
  94       public Class<?> defineClass(String name, byte[] bytes, ProtectionDomain pd) {
  95         return defineClass(name, bytes, 0, bytes.length, pd);
  96       }
  97     }
  98   }
  99 }


  61       ProtectionDomain pd = new ProtectionDomain(null, null);
  62       byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
  63       Class<?> klass = classloader.defineClass("TestClass", klassbuf, pd);
  64     }
  65 
  66     public static void main(String[] args) throws Exception {
  67       WhiteBox wb = WhiteBox.getWhiteBox();
  68       int removedCountOrig =  wb.protectionDomainRemovedCount();
  69       int removedCount;
  70 
  71       test();
  72 
  73       // Wait until ServiceThread cleans ProtectionDomain table.
  74       // When the TestClassLoader is unloaded by GC, at least one
  75       // ProtectionDomainCacheEntry will be eligible for removal.
  76       int cnt = 0;
  77       while (true) {
  78         if (cnt++ % 30 == 0) {
  79           System.gc();
  80         }
  81         removedCount = wb.protectionDomainRemovedCount();
  82         if (removedCountOrig != removedCount) {
  83           break;
  84         }
  85         Thread.sleep(100);
  86       }
  87     }
  88 
  89     private static class TestClassLoader extends ClassLoader {
  90       public TestClassLoader() {
  91         super();
  92       }
  93 
  94       public Class<?> defineClass(String name, byte[] bytes, ProtectionDomain pd) {
  95         return defineClass(name, bytes, 0, bytes.length, pd);
  96       }
  97     }
  98   }
  99 }
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