TST: split series/test_indexing.py (#18614) (#20006)

Author: almaleksia

pandas/tests/series/indexing/__init__.py

@@ -0,0 +1,43 @@
+# coding=utf-8
+# pylint: disable-msg=E1101,W0612
+
+import numpy as np
+
+from pandas import Series
+
+from pandas.compat import lrange, range
+from pandas.util.testing import (assert_series_equal,
+                                 assert_almost_equal)
+
+JOIN_TYPES = ['inner', 'outer', 'left', 'right']
+
+from pandas.tests.series.common import TestData
+
+
+class TestIloc(TestData):
+
+    def test_iloc(self):
+        s = Series(np.random.randn(10), index=lrange(0, 20, 2))
+
+        for i in range(len(s)):
+            result = s.iloc[i]
+            exp = s[s.index[i]]
+            assert_almost_equal(result, exp)
+
+        # pass a slice
+        result = s.iloc[slice(1, 3)]
+        expected = s.loc[2:4]
+        assert_series_equal(result, expected)
+
+        # test slice is a view
+        result[:] = 0
+        assert (s[1:3] == 0).all()
+
+        # list of integers
+        result = s.iloc[[0, 2, 3, 4, 5]]
+        expected = s.reindex(s.index[[0, 2, 3, 4, 5]])
+        assert_series_equal(result, expected)
+
+    def test_iloc_nonunique(self):
+        s = Series([0, 1, 2], index=[0, 1, 0])
+        assert s.iloc[2] == 2