mirror of https://github.com/ConsenSys/mythril
blockchainethereumsmart-contractssoliditysecurityprogram-analysissecurity-analysissymbolic-execution
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56 lines
1.2 KiB
56 lines
1.2 KiB
import pytest
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from mythril.laser.ethereum.state import MachineStack
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from mythril.laser.ethereum.evm_exceptions import *
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from tests import BaseTestCase
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class MachineStackTest(BaseTestCase):
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@staticmethod
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def test_mstack_constructor():
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mstack = MachineStack([1, 2])
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assert(mstack == [1, 2])
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@staticmethod
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def test_mstack_append_single_element():
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mstack = MachineStack()
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mstack.append(0)
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assert(mstack == [0])
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@staticmethod
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def test_mstack_append_multiple_elements():
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mstack = MachineStack()
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for i in range(mstack.STACK_LIMIT):
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mstack.append(1)
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with pytest.raises(StackOverflowException):
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mstack.append(1000)
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@staticmethod
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def test_mstack_pop():
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mstack = MachineStack([2])
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assert mstack.pop() == 2
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with pytest.raises(StackUnderflowException):
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mstack.pop()
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@staticmethod
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def test_mstack_no_support_add():
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mstack = MachineStack([0, 1])
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with pytest.raises(NotImplementedError):
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mstack = mstack + [2]
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@staticmethod
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def test_mstack_no_support_iadd():
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mstack = MachineStack()
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with pytest.raises(NotImplementedError):
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mstack += mstack
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