def test_add_node(self):
g1 = AdjMat()
g1.add_node(1)
assert g1.get_num_node() == 1
assert g1.contains_node(1)
g1.add_node(2)
assert g1.get_num_node() == 2
assert g1.contains_node(2)
try:
g1.add_node(2)
raise Exception("Test should panic.")
except GraphException:
pass
def test_add_edge(self):
g1 = AdjMat()
g1.add_edge(1, 2, 3)
assert g1.get_num_edge() == 1
assert g1.get_num_node() == 2
g1.add_edge(2, 1, 4)
assert g1.get_num_edge() == 2
assert g1.get_num_node() == 2
try:
g1.add_edge(1, 2, 1)
raise Exception("Test should panic.")
except GraphException:
pass