text: import pytest
  
  from pandas import interval_range
  from pandas.util.testing import assert_interval_array_equal
  
  
  @pytest.mark.parametrize("kwargs", [
      dict(start=0, periods=4),
      dict(start=1, periods=5),
      dict(start=5, end=10, closed="left"),
  ])
  def test_interval_array_equal(kwargs):
      arr = interval_range(**kwargs).values
      assert_interval_array_equal(arr, arr)
  
  
  def test_interval_array_equal_closed_mismatch():
      kwargs = dict(start=0, periods=5)
      arr1 = interval_range(closed="left", **kwargs).values
      arr2 = interval_range(closed="right", **kwargs).values
  
      msg = """\
  IntervalArray are different
  
  Attribute "closed" are different
  \\[left\\]:  left
  \\[right\\]: right"""
  
      with pytest.raises(AssertionError, match=msg):
          assert_interval_array_equal(arr1, arr2)
  
  
  def test_interval_array_equal_periods_mismatch():
      kwargs = dict(start=0)
      arr1 = interval_range(periods=5, **kwargs).values
      arr2 = interval_range(periods=6, **kwargs).values
  
      msg = """\
  IntervalArray.left are different
  
  IntervalArray.left length are different
  \\[left\\]:  5, Int64Index\\(\\[0, 1, 2, 3, 4\\], dtype='int64'\\)
  \\[right\\]: 6, Int64Index\\(\\[0, 1, 2, 3, 4, 5\\], dtype='int64'\\)"""
  
      with pytest.raises(AssertionError, match=msg):
          assert_interval_array_equal(arr1, arr2)
  
  
  def test_interval_array_equal_end_mismatch():
      kwargs = dict(start=0, periods=5)
      arr1 = interval_range(end=10, **kwargs).values
      arr2 = interval_range(end=20, **kwargs).values
  
      msg = """\
  IntervalArray.left are different
  
  IntervalArray.left values are different \\(80.0 %\\)
  \\[left\\]:  Int64Index\\(\\[0, 2, 4, 6, 8\\], dtype='int64'\\)
  \\[right\\]: Int64Index\\(\\[0, 4, 8, 12, 16\\], dtype='int64'\\)"""
  
      with pytest.raises(AssertionError, match=msg):
          assert_interval_array_equal(arr1, arr2)
  
  
  def test_interval_array_equal_start_mismatch():
      kwargs = dict(periods=4)
      arr1 = interval_range(start=0, **kwargs).values
      arr2 = interval_range(start=1, **kwargs).values
  
      msg = """\
  IntervalArray.left are different
  
  IntervalArray.left values are different \\(100.0 %\\)
  \\[left\\]:  Int64Index\\(\\[0, 1, 2, 3\\], dtype='int64'\\)
  \\[right\\]: Int64Index\\(\\[1, 2, 3, 4\\], dtype='int64'\\)"""
  
      with pytest.raises(AssertionError, match=msg):
          assert_interval_array_equal(arr1, arr2)
  