nastra commented on code in PR #12079:
URL: https://github.com/apache/iceberg/pull/12079#discussion_r1932378730


##########
parquet/src/test/java/org/apache/iceberg/parquet/TestParquet.java:
##########
@@ -219,6 +228,191 @@ public void testTwoLevelList() throws IOException {
     assertThat(recordRead.get("topbytes")).isEqualTo(expectedBinary);
   }
 
+  @Test
+  public void testStreamClosedProperly() throws IOException {
+    // test for input
+    {
+      class TestStreamClosedProperlyStream extends SeekableInputStream
+          implements DelegatingInputStream {
+        boolean thisClosed = false;
+        boolean delegateClosed = false;
+
+        {
+          reset();
+        }
+
+        @Override
+        public InputStream getDelegate() {
+          return new FSDataInputStream(
+              new InputStream() {

Review Comment:
   is this actually the right type of stream being created here? Should this 
rather be as shown below?
   
   ```
         return new FSDataInputStream(
             HadoopStreams.wrap(
                 new SeekableInputStream() {
                   @Override
                   public long getPos() throws IOException {
                     return 0;
                   }
   
                   @Override
                   public void seek(long newPos) throws IOException {}
   
                   @Override
                   public int read() {
                     return 0;
                   }
   
                   @Override
                   public void close() {
                     delegateClosed = true;
                   }
                 }));
   
   ```



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