def test_empty(self):
vm = VM()
vm.push(10)
stack.new(vm)
vm.dup0()
stack.isempty(vm)
self.assertTrue(vm.stack[0])
vm.pop()
stack.push(vm)
stack.isempty(vm)
self.assertFalse(vm.stack[0])
def test_compress_aux(self):
vm = VM()
vm.aux_stack.items = list(range(93))
stack_manip.compress_aux(vm)
vm2 = VM()
stack.new(vm2)
for i in range(93):
vm2.push(i)
stack.push(vm2)
self.assertEqual(vm.stack[:], vm2.stack[:])
def test_simple(self):
vm = VM()
stack.new(vm)
for val in range(200):
vm.push(val)
vm.swap1()
stack.push(vm)
for val in range(199, -1, -1):
stack.pop(vm)
self.assertEqual(vm.stack[0], val)
vm.pop()