def testPushOneBadType(self):
# Create an RPNCalculator and try to push a non-numeric ValueError
try:
s = RPNCaculator()
s.push('Seed')
except TypeError:
pass
def testPushOne(self):
#Test the push method
#pushing in only one element each time
#and check the corresponding stack status
S = RPNCaculator()
S.push(5)
self.assertEqual(str(S), '[5*]')
S = RPNCaculator()
S.push(7.5)
self.assertEqual(str(S), '[7.5*]')
def testAddFloat(self):
# Test the addition of the floats
# Push two floats
# apply addition method
# CHeck just the resultant sum value on the stack
s = RPNCaculator()
s.push(2.3)
s.push(5.7)
s.add()
self.assertEqual(str(s),'[8.0*]')
a = s.pop()
self.assertEqual(a,8)
def testSubInt(self):
# Test the subtraction of integers
# Benign test of two pushes
# Apply the subtraction Method
# Check just the resultant subtraction value on the stack
s = RPNCaculator()
s.push(2)
s.push(5)
s.sub()
self.assertEqual(str(s), '[-3*]')
a = s.pop()
self.assertEqual(a, -3)
def testPushOne(self):
#Test the push method
#pushing in only one element each time
#and check the corresponding stack status
S = RPNCaculator()
S.push(5)
self.assertEqual(str(S), '[5*]')
S = RPNCaculator()
S.push(7.5)
self.assertEqual(str(S), '[7.5*]')
def testAddFloat(self):
# Test the addition of the floats
# Push two floats
# apply addition method
# CHeck just the resultant sum value on the stack
s = RPNCaculator()
s.push(2.3)
s.push(5.7)
s.add()
self.assertEqual(str(s), '[8.0*]')
a = s.pop()
self.assertEqual(a, 8)
def testSubInt(self):
# Test the subtraction of integers
# Benign test of two pushes
# Apply the subtraction Method
# Check just the resultant subtraction value on the stack
s = RPNCaculator()
s.push(2)
s.push(5)
s.sub()
self.assertEqual(str(s),'[-3*]')
a = s.pop()
self.assertEqual(a,-3)
def testAddInt(self):
#Test the addition of two integers
# Benign test of two pushes
# apply the add Method
# Check just the resultant sum value on the stack
s = RPNCaculator()
s.push(2)
s.push(5)
s.add()
#check just the result on the stack
self.assertEqual(str(s), '[7*]')
a = s.pop()
self.assertEqual(a, 7)
def testAddInt(self):
#Test the addition of two integers
# Benign test of two pushes
# apply the add Method
# Check just the resultant sum value on the stack
s = RPNCaculator()
s.push(2)
s.push(5)
s.add()
#check just the result on the stack
self.assertEqual(str(s),'[7*]')
a = s.pop()
self.assertEqual(a,7)
def testPushTwo(self):
# Create an RPNCalculator, push two values and compare string result
s = RPNCaculator()
s.push(2)
s.push(5)
self.assertEqual(str(s),'[5*, 2]')
s = RPNCaculator()
s.push(2)
s.push(5.78)
self.assertEqual(str(s),'[5.78*, 2]')
def testPushTwo(self):
# Create an RPNCalculator, push two values and compare string result
s = RPNCaculator()
s.push(2)
s.push(5)
self.assertEqual(str(s), '[5*, 2]')
s = RPNCaculator()
s.push(2)
s.push(5.78)
self.assertEqual(str(s), '[5.78*, 2]')
def testAddThree(self):
#Test adding of three numbers (Mixture of the floats and integers)
#Push first two values onto the stack
#Apply the addition (the sum back to the stack)
#push the third to the stack
#apply the addition
#Check just the final resultant sum value on the stack
s = RPNCaculator()
s.push(3)
s.push(5.7)
s.add()
s.push(2.3)
s.add()
self.assertEqual(str(s),'[11.0*]')
a = s.pop()
self.assertEqual(a,11.0)
def testAddThree(self):
#Test adding of three numbers (Mixture of the floats and integers)
#Push first two values onto the stack
#Apply the addition (the sum back to the stack)
#push the third to the stack
#apply the addition
#Check just the final resultant sum value on the stack
s = RPNCaculator()
s.push(3)
s.push(5.7)
s.add()
s.push(2.3)
s.add()
self.assertEqual(str(s), '[11.0*]')
a = s.pop()
self.assertEqual(a, 11.0)
