class_docstr: Tests for ExtensionArray.__getitem__.
code: def test_iloc_frame_single_block(self, data):
      # GH#32959 null slice along index, slice along columns with single-block
      df = pd.DataFrame({"A": data})
  
      result = df.iloc[:, :]
      tm.assert_frame_equal(result, df)
  
      result = df.iloc[:, :1]
      tm.assert_frame_equal(result, df)
  
      result = df.iloc[:, :2]
      tm.assert_frame_equal(result, df)
  
      result = df.iloc[:, ::2]
      tm.assert_frame_equal(result, df)
  
      result = df.iloc[:, 1:2]
      tm.assert_frame_equal(result, df.iloc[:, :0])
  
      result = df.iloc[:, -1:]
      tm.assert_frame_equal(result, df)
  
imports: import numpy
  import pytest
  import pandas
  import pandas._testing
label_desc: Use image node_id 3 for calling the BaseGetitemTests obj's underlying member method code with example usage: obj.test_iloc_frame_single_block(data) without return types