liyafan82 commented on a change in pull request #8605:
URL: https://github.com/apache/arrow/pull/8605#discussion_r520405424
##########
File path:
java/vector/src/test/java/org/apache/arrow/vector/TestFixedSizeListVector.java
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@@ -402,6 +402,34 @@ public void testSplitAndTransfer() throws Exception {
}
}
+ @Test
+ public void testZeroWidthVector() throws Exception {
+ try (final FixedSizeListVector vector1 =
FixedSizeListVector.empty("vector", 0, allocator)) {
+
+ UnionFixedSizeListWriter writer1 = vector1.getWriter();
+ writer1.allocate();
+
+ int[] values1 = new int[] {};
+ int[] values2 = new int[] {};
+ int[] values3 = new int[] {};
+
+ //set some values
+ writeListVector(writer1, values1);
+ writeListVector(writer1, values2);
+ writeListVector(writer1, values3);
+ writer1.setValueCount(3);
Review comment:
Maybe we can add a case to insert null into the vector?
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