def test_vm_mem_alloc():
code = create_instr("alloc", 0)
vm = Arkhe(code)
vm.registers[0] = 16
vm.exc_instr()
assert len(vm.memory) == 16
vm.counter = 0
vm.exc_instr()
assert len(vm.memory) == 32
def test_vm_mem_read():
code = create_instr("read", 0, 1)
vm = Arkhe(code)
vm.registers[0] = 16
with pytest.raises(MemoryFault):
vm.exc_instr()
vm.memory.alloc(100)
vm.memory[16] = "hello"
vm.counter = 0
vm.exc_instr()
assert vm.registers[1] == "hello"