def testDuplicateBranchInAlternative(self):
a = builder.makeAlternative(
[Terminal("bar"),
Terminal("foo"),
Terminal("bar"), Null])
b = Alternative([Terminal("bar"), Terminal("foo"), Null])
self.assertEqual(a, b)
def testMultipleSimplifcationSteps(self):
a = builder.makeAlternative([Terminal("bar"), Alternative([Terminal("bar"), Terminal("bar")])])
b = Terminal("bar")
self.assertEqual(a, b)
def testDuplicateBranchInAlternative(self):
a = builder.makeAlternative([Terminal("bar"), Terminal("foo"), Terminal("bar"), Null])
b = Alternative([Terminal("bar"), Terminal("foo"), Null])
self.assertEqual(a, b)
def testAlternativeInAlternative(self):
a = builder.makeAlternative([Terminal("foo"), Alternative([Terminal("bar"), Terminal("baz")])])
b = Alternative([Terminal("foo"), Terminal("bar"), Terminal("baz")])
self.assertEqual(a, b)
def testAlternativeWithOneBranch(self):
a = builder.makeAlternative([Terminal("foo")])
b = Terminal("foo")
self.assertEqual(a, b)
def testMultipleSimplifcationSteps(self):
a = builder.makeAlternative(
[Terminal("bar"),
Alternative([Terminal("bar"), Terminal("bar")])])
b = Terminal("bar")
self.assertEqual(a, b)
def testAlternativeInAlternative(self):
a = builder.makeAlternative(
[Terminal("foo"),
Alternative([Terminal("bar"), Terminal("baz")])])
b = Alternative([Terminal("foo"), Terminal("bar"), Terminal("baz")])
self.assertEqual(a, b)
def testAlternativeWithOneBranch(self):
a = builder.makeAlternative([Terminal("foo")])
b = Terminal("foo")
self.assertEqual(a, b)