@Test public void shouldUseExtendedBeanInfoWhenApplicable() throws NoSuchMethodException, SecurityException { // given a class with a non-void returning setter method @SuppressWarnings("unused") class C { public Object setFoo(String s) { return this; } public String getFoo() { return null; } } // CachedIntrospectionResults should delegate to ExtendedBeanInfo CachedIntrospectionResults results = CachedIntrospectionResults.forClass(C.class); BeanInfo info = results.getBeanInfo(); PropertyDescriptor pd = null; for (PropertyDescriptor candidate : info.getPropertyDescriptors()) { if (candidate.getName().equals("foo")) { pd = candidate; } } // resulting in a property descriptor including the non-standard setFoo method assertThat(pd, notNullValue()); assertThat(pd.getReadMethod(), equalTo(C.class.getMethod("getFoo"))); assertThat( "No write method found for non-void returning 'setFoo' method. " + "Check to see if CachedIntrospectionResults is delegating to " + "ExtendedBeanInfo as expected", pd.getWriteMethod(), equalTo(C.class.getMethod("setFoo", String.class))); }
@Test public void clearClassLoaderForSystemClassLoader() throws Exception { BeanUtils.getPropertyDescriptors(ArrayList.class); assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(ArrayList.class)); CachedIntrospectionResults.clearClassLoader(ArrayList.class.getClassLoader()); assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(ArrayList.class)); }
@Test public void acceptAndClearClassLoader() throws Exception { BeanWrapper bw = new BeanWrapperImpl(TestBean.class); assertTrue(bw.isWritableProperty("name")); assertTrue(bw.isWritableProperty("age")); assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(TestBean.class)); ClassLoader child = new OverridingClassLoader(getClass().getClassLoader()); Class<?> tbClass = child.loadClass("org.springframework.tests.sample.beans.TestBean"); assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(tbClass)); CachedIntrospectionResults.acceptClassLoader(child); bw = new BeanWrapperImpl(tbClass); assertTrue(bw.isWritableProperty("name")); assertTrue(bw.isWritableProperty("age")); assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(tbClass)); CachedIntrospectionResults.clearClassLoader(child); assertFalse(CachedIntrospectionResults.strongClassCache.containsKey(tbClass)); assertTrue(CachedIntrospectionResults.strongClassCache.containsKey(TestBean.class)); }