def test_aload():
ins = instructions.keywords['aload']
frm = make_frame()
arr = value_containers.ValueIntArrayRef()
frm.variables[4] = arr
VM.exec_frame(frm, ins(value_containers.ValueInt(4)))
assert frm.stack.pop() == arr
def test_ins_if_icmplt():
ins = instructions.keywords['if_icmple']
frm = make_frame()
frm.stack.append(value_containers.ValueInt(100))
frm.stack.append(value_containers.ValueInt(101))
VM.exec_frame(frm, ins(value_containers.ValueInt(2)))
assert frm.pc == 2
def test_ins_pop():
frm = make_frame()
frm.stack.append(value_containers.ValueInt(99))
assert len(frm.stack) == 1
VM.exec_frame(frm, instructions.keywords['pop']())
assert frm.pc == VM_PC_START + 1
assert len(frm.stack) == 0
def test_astore():
ins = instructions.keywords['astore']
frm = make_frame()
arr = value_containers.ValueIntArrayRef()
frm.stack.append(arr)
VM.exec_frame(frm, ins(value_containers.ValueInt(4)))
assert frm.variables[4] == arr
def test_ins_fpush():
frm = make_frame()
value = value_containers.ValueFloat(9.9)
assert len(frm.stack) == 0
VM.exec_frame(frm, instructions.keywords['fpush'](value))
assert frm.pc == VM_PC_START + 1
assert frm.stack[0] == value
def test_ins_imul():
ins = instructions.keywords['imul']
frm = make_frame()
frm.stack.append(value_containers.ValueInt(100))
frm.stack.append(value_containers.ValueInt(101))
VM.exec_frame(frm, ins())
assert frm.stack[0] == value_containers.ValueInt(10100)
def test_ins_iadd():
ins = instructions.keywords['iadd']
frm = make_frame()
frm.stack.append(value_containers.ValueInt(100))
frm.stack.append(value_containers.ValueInt(101))
VM.exec_frame(frm, ins())
assert frm.pc == VM_PC_START + 1
assert frm.stack[0] == value_containers.ValueInt(201)
def test_ins_dup():
frm = make_frame()
frm.stack.append(value_containers.ValueInt(99))
assert len(frm.stack) == 1
VM.exec_frame(frm, instructions.keywords['dup']())
assert frm.pc == VM_PC_START + 1
assert len(frm.stack) == 2
assert frm.stack[0].__class__ == frm.stack[1].__class__
assert frm.stack[0].value == frm.stack[1].value
def test_ins_freturn():
ins = instructions.keywords['freturn']
frm = make_frame()
value = value_containers.ValueFloat(9.9)
frm.stack.append(value)
VM.exec_frame(frm, ins())
assert frm.pc == VM_PC_START + 1
assert frm.finished is True
assert frm.return_value == value
def test_ins_fload():
frm = make_frame()
value = value_containers.ValueFloat(9.9)
frm.variables[0] = value
assert len(frm.stack) == 0
VM.exec_frame(frm,
instructions.keywords['fload'](value_containers.ValueInt(0)))
assert frm.pc == VM_PC_START + 1
assert frm.stack[0] == value
def test_ins_fstore():
ins = instructions.keywords['fstore']
frm = make_frame()
value = value_containers.ValueFloat(9.9)
frm.stack.append(value)
VM.exec_frame(frm, ins(value_containers.ValueInt(0)))
assert frm.variables[0] == value
assert frm.pc == VM_PC_START + 1
assert len(frm.stack) == 0
def test_ins_fdiv():
ins = instructions.keywords['fdiv']
frm = make_frame()
frm.stack.append(value_containers.ValueFloat(55.0))
frm.stack.append(value_containers.ValueFloat(10.0))
VM.exec_frame(frm, ins())
assert frm.stack[0] == value_containers.ValueFloat(5.5)
frm.stack.append(value_containers.ValueInt(9))
frm.stack.append(value_containers.ValueInt(9))
pytest.raises(TypeError, VM.exec_frame, frm, ins())
def test_ins_areturn():
ins = instructions.keywords['areturn']
frm = make_frame()
value = value_containers.ValueFloatArrayRef()
value.allocate(10)
value[2] = value_containers.ValueFloat(4.0)
frm.stack.append(value)
VM.exec_frame(frm, ins())
assert frm.pc == VM_PC_START + 1
assert frm.finished is True
assert frm.return_value == value
def test_ins_array_length():
ins = instructions.keywords['arraylength']
frm = make_frame()
value = value_containers.ValueFloatArrayRef()
value.allocate(10)
value[2] = value_containers.ValueFloat(4.0)
frm.stack.append(value)
VM.exec_frame(frm, ins())
assert frm.pc == VM_PC_START + 1
v = frm.stack.pop()
assert v == value_containers.ValueInt(10)
pytest.raises(IndexError, ins().execute, frm)
def test_fastore():
vt = value_containers.ValueFloat
ins = instructions.keywords['fastore']
frm = make_frame()
arr = value_containers.ValueFloatArrayRef()
arr.allocate(10)
arr[2] = value_containers.ValueFloat(4.0)
frm.stack.append(arr)
frm.stack.append(value_containers.ValueInt(0))
frm.stack.append(value_containers.ValueFloat(5.0))
VM.exec_frame(frm, ins())
assert arr[0] == vt(5.0)
assert arr[1].is_none
assert arr[1].__class__ == vt
def test_ins_if_fcmpeq():
ins = instructions.keywords['if_fcmpeq']
frm = make_frame()
frm.stack.append(value_containers.ValueFloat(9.9))
frm.stack.append(value_containers.ValueFloat(9.9))
assert len(frm.stack) == 2
VM.exec_frame(frm, ins(value_containers.ValueInt(2)))
assert frm.pc == 2
assert len(frm.stack) == 0
frm = make_frame()
frm.stack.append(value_containers.ValueFloat(9.9))
frm.stack.append(value_containers.ValueFloat(9.91))
VM.exec_frame(frm, ins(value_containers.ValueInt(2)))
assert frm.pc == VM_PC_START + 1
def test_ins_swap():
frm = make_frame()
frm.stack.append(value_containers.ValueInt(99))
frm.stack.append(value_containers.ValueFloat(5.5))
assert len(frm.stack) == 2
assert isinstance(frm.stack[0], value_containers.ValueInt)
assert isinstance(frm.stack[1], value_containers.ValueFloat)
assert frm.stack[0].value == 99
assert frm.stack[1].value == 5.5
VM.exec_frame(frm, instructions.keywords['swap']())
assert frm.pc == VM_PC_START + 1
assert len(frm.stack) == 2
assert isinstance(frm.stack[1], value_containers.ValueInt)
assert isinstance(frm.stack[0], value_containers.ValueFloat)
assert frm.stack[1].value == 99
assert frm.stack[0].value == 5.5
def test_faload():
vt = value_containers.ValueFloat
ins = instructions.keywords['faload']
frm = make_frame()
arr = value_containers.ValueFloatArrayRef()
arr.allocate(10)
arr[2] = value_containers.ValueFloat(4.0)
frm.stack.append(arr)
frm.stack.append(value_containers.ValueInt(2))
VM.exec_frame(frm, ins())
assert frm.stack.pop() == vt(4.0)
frm.stack.append(arr)
frm.stack.append(value_containers.ValueInt(1))
VM.exec_frame(frm, ins())
sv = frm.stack.pop()
assert sv.is_none
assert sv.__class__ == vt
def test_ins_nop():
frm = make_frame()
VM.exec_frame(frm, instructions.keywords['nop']())
assert frm.pc == VM_PC_START + 1
assert len(frm.stack) == 0
def test_newarray():
ins = instructions.keywords['newarray']
frm = make_frame()
frm.stack.append(value_containers.ValueInt(10))
VM.exec_frame(frm, ins(value_containers.ValueInt(1)))
assert frm.stack.pop().__class__ == value_containers.ValueFloatArrayRef
def test_ins_f2i():
ins = instructions.keywords['f2i']
frm = make_frame()
frm.stack.append(value_containers.ValueFloat(9.9))
VM.exec_frame(frm, ins())
assert frm.stack[0] == value_containers.ValueInt(9)
def test_ins_goto():
ins = instructions.keywords['goto']
frm = make_frame()
VM.exec_frame(frm, ins(value_containers.ValueInt(8)))
assert frm.pc == 8
def test_ins_ifnull():
frm = make_frame()
frm.stack.append(value_containers.ValueInt())
VM.exec_frame(
frm, instructions.keywords['ifnull'](value_containers.ValueInt(2)))
assert frm.pc == 2