From a7ea2ba3f4aecce78f7a76cf55d356af0fc08f4a Mon Sep 17 00:00:00 2001
From: Jeff Reback <jeff@reback.net>
Date: Mon, 3 Dec 2018 11:03:08 -0500
Subject: [PATCH] TST: run setitem tests for IntegerArray (#24054)

* TST: run setitem tests for IntegerArray

* doc-string
---
 pandas/core/arrays/integer.py          | 5 +++++
 pandas/tests/extension/test_integer.py | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/pandas/core/arrays/integer.py b/pandas/core/arrays/integer.py
index 7996e24d0c914f..f500422f0cbc57 100644
--- a/pandas/core/arrays/integer.py
+++ b/pandas/core/arrays/integer.py
@@ -58,6 +58,11 @@ def numpy_dtype(self):
     def kind(self):
         return self.numpy_dtype.kind
 
+    @cache_readonly
+    def itemsize(self):
+        """ Return the number of bytes in this dtype """
+        return self.numpy_dtype.itemsize
+
     @classmethod
     def construct_array_type(cls):
         """Return the array type associated with this dtype
diff --git a/pandas/tests/extension/test_integer.py b/pandas/tests/extension/test_integer.py
index efee6473898841..218b2e9bd0e118 100644
--- a/pandas/tests/extension/test_integer.py
+++ b/pandas/tests/extension/test_integer.py
@@ -174,6 +174,10 @@ class TestGetitem(base.BaseGetitemTests):
     pass
 
 
+class TestSetitem(base.BaseSetitemTests):
+    pass
+
+
 class TestMissing(base.BaseMissingTests):
     pass