text: import numpy as np
  from numpy.testing import run_module_suite
  
  import lulu.int_array as iarr
  from lulu.int_array import IntArray
  
  def test_init():
      x = IntArray()
  
  def test_append():
      x = IntArray()
      iarr.append(x, 3)
  
  def test_size_increase():
      x = IntArray()
      for i in range(1000):
          iarr.append(x, 3)
  
  def test_copy():
      x = IntArray()
      for i in range(1000):
          iarr.append(x, i)
  
      y = IntArray()
      for i in range(1000):
          iarr.append(y, 1000 - i)
  
      iarr.copy(x, y)
  
      assert iarr.get(y, 0) == 0
  
  def test_from_list():
      x = IntArray()
      iarr.from_list(x, list(range(15)))
      assert iarr.get(x, 0) == 0
      assert iarr.get(x, 14) == 14
  
  def test_min():
      x = IntArray()
      iarr.from_list(x, [1, 5, -2, 9, 12])
      assert iarr.min(x) == -2
      assert iarr.max(x) == 12
  
  if __name__ == "__main__":
      run_module_suite()
  