def problem1(self, s):
"""Test the Backpack class. 10 points."""
# Test the constructor (2 points)
b1 = Backpack("Teacher", "silver")
b2 = s.Backpack("Student", "green")
points = 2
# Test put() (6 points).
for item in range(5):
b1.put(item); b2.put(item)
points += self._eqTest(b1.contents, b2.contents,
"Backpack.put() failed to update Backpack.contents correctly")
print("\nCorrect output:\t"),; b1.put(5)
print("Student output:\t"),; b2.put(5)
points += self._grade(1, 'Backpack.put() failed to print "No Room!"')
points += self._eqTest(b1.contents, b2.contents,
"Backpack.put() failed to update Backpack.contents correctly")
b1 = Backpack("Teacher", "silver", 1)
b2 = s.Backpack("Student", "green", 1)
b1.put(100); b2.put(100)
print("\nCorrect output:\t"),; b1.put(200)
print("Student output:\t"),; b2.put(200)
points += self._grade(1, 'Backpack.put() failed to print "No Room!"')
points += 2*self._eqTest(b1.contents, b2.contents,
"Backpack.put() failed to update Backpack.contents correctly")
# Test dump() (2 points)
b1.dump(); b2.dump()
points += 2*self._eqTest(b1.contents, b2.contents,
"Backpack.dump() failed to empty contents")
return points
