[IO-885] Path visits follow links

src/main/java/org/apache/commons/io/file/CountingPathVisitor.java

@@ -28,7 +28,6 @@
 
 import org.apache.commons.io.file.Counters.PathCounters;
 import org.apache.commons.io.filefilter.IOFileFilter;
-import org.apache.commons.io.filefilter.SymbolicLinkFileFilter;
 import org.apache.commons.io.filefilter.TrueFileFilter;
 import org.apache.commons.io.function.IOBiFunction;
 
@@ -152,7 +151,7 @@ static UnaryOperator<Path> defaultDirectoryTransformer() {
     }
 
     static IOFileFilter defaultFileFilter() {
-        return new SymbolicLinkFileFilter(FileVisitResult.TERMINATE, FileVisitResult.CONTINUE);
+        return TrueFileFilter.INSTANCE;
     }
 
     static PathCounters defaultPathCounters() {

src/test/java/org/apache/commons/io/FileUtilsTest.java

@@ -2986,10 +2986,10 @@ void testSizeOfDirectory() throws Exception {
         // Create a cyclic symlink
         final Path linkPath = createCircularSymbolicLink(file);
         try {
-            assertEquals(TEST_DIRECTORY_SIZE, FileUtils.sizeOfDirectory(file), "Unexpected directory size");
+            // Different result value depending on the Java version and operating system, but should not throw an exception or loop infinitely.
+            FileUtils.sizeOfDirectory(file);
         } finally {
             Files.deleteIfExists(linkPath);
-            assertDelete(true, file);
         }
     }
 
@@ -3014,7 +3014,8 @@ void testSizeOfDirectoryAsBigInteger() throws Exception {
         assertMkdir(true, file);
         final Path linkPath = createCircularSymbolicLink(file);
         try {
-            assertEquals(TEST_DIRECTORY_SIZE_BI, FileUtils.sizeOfDirectoryAsBigInteger(file), "Unexpected directory size");
+            // Different result value depending on the Java version and operating system, but should not throw an exception or loop infinitely.
+            FileUtils.sizeOfDirectoryAsBigInteger(file);
             assertDelete(false, file);
             assertMkdir(false, file);
             final File nonEmptyFile = new File(file, "non-emptyFile" + System.nanoTime());
@@ -3025,12 +3026,12 @@ void testSizeOfDirectoryAsBigInteger() throws Exception {
             } finally {
                 IOUtils.closeQuietly(output);
             }
-            assertEquals(TEST_DIRECTORY_SIZE_GT_ZERO_BI, FileUtils.sizeOfDirectoryAsBigInteger(file), "Unexpected directory size");
+            // Different result value depending on the Java version and operating system, but should not throw an exception or loop infinitely.
+            FileUtils.sizeOfDirectoryAsBigInteger(file);
             assertDelete(true, nonEmptyFile);
             assertDelete(false, file);
         } finally {
             Files.deleteIfExists(linkPath);
-            assertDelete(true, file);
         }
     }