def test_dneg(self):
stack = IntrptEvalStack()
stack.push(PyVMValue.pydouble(10))
stack.push(PyVMValue.pydouble(20))
self.assertEqual(stack.size(), 2)
stack.dneg()
self.assertEqual(stack.size(), 2)
val = stack.pop()
self.assertPyVMDouble(val, -20)
self.assertEqual(stack.size(), 1)
def test_drem(self):
stack = IntrptEvalStack()
stack.push(PyVMValue.pydouble(5))
stack.push(PyVMValue.pydouble(3))
self.assertEqual(stack.size(), 2)
stack.drem()
self.assertEqual(stack.size(), 1)
val = stack.pop()
self.assertPyVMDouble(val, 2)
self.assertEqual(stack.size(), 0)
stack.push(PyVMValue.pydouble(3))
stack.push(PyVMValue.pydouble(5))
self.assertEqual(stack.size(), 2)
stack.drem()
self.assertEqual(stack.size(), 1)
val = stack.pop()
self.assertPyVMDouble(val, 3)
self.assertEqual(stack.size(), 0)
def dload(self, index: int):
p1: PyVMValue = self.args[index].clone()
p2: PyVMValue = self.args[index + 1].clone()
return PyVMValue.pydouble((p1.value << 8) + p2.value)
def assertPyVMDouble(self, actual: PyVMValue, expected: float) -> None:
self.assertValue(actual, PyVMValue.pydouble(expected))