rdblue commented on code in PR #11785:
URL: https://github.com/apache/iceberg/pull/11785#discussion_r1887251904


##########
data/src/test/java/org/apache/iceberg/data/parquet/TestGenericData.java:
##########
@@ -131,14 +136,143 @@ public void testTwoLevelList() throws IOException {
             .reuseContainers()
             .createReaderFunc(fileSchema -> 
GenericParquetReaders.buildReader(schema, fileSchema))
             .build()) {
-      CloseableIterator it = reader.iterator();
-      assertThat(it).hasNext();
-      while (it.hasNext()) {
-        GenericRecord actualRecord = (GenericRecord) it.next();
+      for (Record actualRecord : reader) {
         assertThat(actualRecord.get(0, 
ArrayList.class)).first().isEqualTo(expectedBinary);
         assertThat(actualRecord.get(1, 
ByteBuffer.class)).isEqualTo(expectedBinary);
-        assertThat(it).isExhausted();
       }
+
+      assertThat(Lists.newArrayList(reader).size()).isEqualTo(1);
     }
   }
+
+  @Test
+  public void testMissingRequiredWithoutDefault() {
+    Schema writeSchema =
+        new Schema(
+            required(1, "id", Types.LongType.get()),

Review Comment:
   I'll drop the data field, but I think it's good to have an ID field so that 
we get unique records and can compare the lists easily when debugging.



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