def test_linearroots():
assert rt.linear_roots(5, 10) == -2
def test_linear_zeroceoff():
try:
rt.linear_roots(a=0)
except ValueError as err:
assert (sys.exc_info()[0] == ValueError)
def test_linearroots_types():
with pytest.raises(TypeError):
roots.linear_roots("ocean", 6.0)
def test_linearroots_zerocoeff():
with pytest.raises(ValueError):
roots.linear_roots(a=0.0)
def test_linearroots_zerocoeff():
try:
roots.linear_roots(a=0.0)
except ValueError as err:
assert(type(err) == ValueError)
def test_linearoots_result():
assert roots.linear_roots(2.0, -3.0) == 1.5
def test_linearroots_types():
try:
roots.linear_roots("ocean", 6.0)
except TypeError as err:
assert(type(err) == TypeError)
def test_linroots_types():
with pytest.raises(TypeError):
roots.linear_roots("o", 9.0)
def test_linroots_result():
assert roots.linear_roots(6.0, -12.0) == 2
def test_linearroots_types():
with pytest.raises(TypeError):
roots.linear_roots("", "green", "hi")
def test_linearroots_result():
assert roots.linear_roots(1.0, 2.0) == -2.0
