liyafan82 commented on a change in pull request #9581:
URL: https://github.com/apache/arrow/pull/9581#discussion_r583529700
##########
File path:
java/vector/src/test/java/org/apache/arrow/vector/util/TestVectorAppender.java
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@@ -120,6 +142,26 @@ public void testAppendVariableWidthVector() {
}
}
+ @Test
+ public void testAppendEmptyVariableWidthVector() {
+ try (VarCharVector target = new VarCharVector("", allocator);
+ VarCharVector delta = new VarCharVector("", allocator)) {
+
+ target.allocateNew(5, 10);
Review comment:
This is not needed either, as `ValueVectorDataPopulator.setVector` calls
the `getSafe` method.
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