text: import unittest
  from python.src import coverage_demo
  
  class test_coverage_demo(unittest.TestCase):
  
  	def test_foo_returns_true(self):
  		self.assertTrue(coverage_demo.foo(1))
  
  	def test_foo_returns_false(self):
  		self.assertFalse(coverage_demo.foo(0))
  
  """
  	def test_foo_throws_exception(self):
  		#self.assertFalse(coverage_demo.foo(0----0))
  		self.assertRaises(TypeError, coverage_demo.foo(0----0))
  
  """