def test_multi_operation_type_inference():
expression = "(%x.(x+1)==2)"
type_validity_expected = "true"
type_expected = "int->bool"
#Testing call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
type_actual = output_returned[2]
type_actual = type_actual.lower()
assert type_validity_expected in type_validity_actual and type_expected in type_actual, "test failed because type validity = " + str(
type_validity_actual) + " with type = " + str(
type_actual) + " when I expected " + str(type_expected)
#Testing call-by-value
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
type_actual = output_returned[2]
type_actual = type_actual.lower()
assert type_validity_expected in type_validity_actual and type_expected in type_actual, "test failed because type validity = " + str(
type_validity_actual) + " with type = " + str(
type_actual) + " when I expected " + str(type_expected)
def test_type_multiple_function_types():
expression = "(%x:bool.%y:int.y+1)"
type_expected = "bool->int->int"
type_validity_expected = "true"
#Testing call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
type_actual = output_returned[2]
tupe_actual = type_actual.lower()
assert type_expected in type_actual and type_validity_expected in type_validity_actual, "test failed because type validity = " + str(
type_validity_actual) + " and type = " + str(type_actual)
#Testing call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
type_actual = output_returned[2]
tupe_actual = type_actual.lower()
assert type_expected in type_actual and type_validity_expected in type_validity_actual, "test failed because type validity = " + str(
type_validity_actual) + " and type = " + str(type_actual)
def test_type_valid_clashing():
expression = "(%x:int.x+1)"
output_expected = "(%x.x+1)"
type_expected = "int->int"
type_validity_expected = "true"
#Test call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
type_actual = output_returned[2]
tupe_actual = type_actual.lower()
assert output_expected in output_actual and type_expected in type_actual and type_validity_expected in type_validity_actual, "test failed because returned = " + str(
output_actual) + " with type validity = " + str(
type_validity_actual) + " and type = " + str(type_actual)
#Test call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
output_actual = output_returned[0]
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
type_actual = output_returned[2]
tupe_actual = type_actual.lower()
assert output_expected in output_actual and type_expected in type_actual and type_validity_expected in type_validity_actual, "test failed because returned = " + str(
output_actual) + " with type validity = " + str(
type_validity_actual) + " and type = " + str(type_actual)
def test_type_clashing():
expression = "(%x:bool.x+1)"
output_expected = "(%x.x+1)"
type_expected = "false"
#Test call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
type_validity = output_returned[1]
type_validity = type_validity.lower()
assert output_expected in output_actual and type_expected in type_validity, "test failed because returned = " + str(
output_actual) + " with type = " + str(type_validity)
#Test call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
output_actual = output_returned[0]
type_validity = output_returned[1]
type_validity = type_validity.lower()
assert output_expected in output_actual and type_expected in type_validity, "test failed because returned = " + str(
output_actual) + " with type = " + str(type_validity)
def test_int_to_bool():
expression = "(%x.x>4)3"
output_expected = "False"
type_expected = "bool"
#Test call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
type_actual = output_returned[2]
type_actual = type_actual.lower()
assert output_expected in output_actual and type_expected in type_actual, "test failed because returned = " + str(
output_actual) + " with type = " + str(type_actual)
#Test call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
output_actual = output_returned[0]
type_actual = output_returned[2]
type_actual = type_actual.lower()
assert output_expected in output_actual and type_expected in type_actual, "test failed because returned = " + str(
output_actual) + " with type = " + str(type_actual)
def test_order_of_operations():
expression = "(%x.x*5)3(%y.y+2)"
output_expected = "15(%y.y+2)"
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
def test_call_by_value():
expression = "(%x.%y.y)((%z.zz)(%z.zz))"
output_expected = "cannot be found"
output_returned = unit_t_interface(expression, "v")
output_actual = output_returned
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
def test_call_by_name():
expression = "(%x.%y.y)((%z.zz)(%z.zz))"
output_expected = "(%y.y)"
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
def test_scope_of_bound_variables():
expression = "(%x.x+%x.x)3"
output_expected = "3+%x.x"
#Testing call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
#Testing call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
def test_multi_input():
expression = "(%b.b+(%a.a+b)3)4"
output_expected = "11"
#Test call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
#Test call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
output_actual = output_returned[0]
assert output_expected in output_actual, "test failed because returned = " + str(
output_actual)
def test_order_of_arithmetic():
expression = "(%x.x^2+x^3)2"
result_expected = "12"
#Testing call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
result_actual = output_returned[0]
assert result_expected == result_actual, "test failed because result = " + str(
result_actual) + " when I expected " + str(result_expected)
#Testing call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
result_actual = output_returned[0]
assert result_expected == result_actual, "test failed because result = " + str(
result_actual) + " when I expected " + str(result_expected)
def test_variable_type_clashes():
expression = "(%x:int.x:bool)"
type_validity_expected = "false"
#Testing call-by-name
output_returned = unit_t_interface(expression, "n")
if len(output_returned) > 2:
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
assert type_validity_expected in type_validity_actual, "test failed because type validity = " + str(
type_validity_actual)
#Testing call-by-value
output_returned = unit_t_interface(expression, "v")
if len(output_returned) > 2:
type_validity_actual = output_returned[1]
type_validity_actual = type_validity_actual.lower()
assert type_validity_expected in type_validity_actual, "test failed because type validity = " + str(
type_validity_actual)