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"""Test cases for various RType operations."""
from __future__ import annotations
import unittest
from mypyc.ir.rtypes import (
RUnion,
bit_rprimitive,
bool_rprimitive,
int16_rprimitive,
int32_rprimitive,
int64_rprimitive,
int_rprimitive,
object_rprimitive,
short_int_rprimitive,
str_rprimitive,
)
from mypyc.rt_subtype import is_runtime_subtype
from mypyc.subtype import is_subtype
native_int_types = [int64_rprimitive, int32_rprimitive, int16_rprimitive]
class TestSubtype(unittest.TestCase):
def test_bit(self) -> None:
assert is_subtype(bit_rprimitive, bool_rprimitive)
assert is_subtype(bit_rprimitive, int_rprimitive)
assert is_subtype(bit_rprimitive, short_int_rprimitive)
for rt in native_int_types:
assert is_subtype(bit_rprimitive, rt)
def test_bool(self) -> None:
assert not is_subtype(bool_rprimitive, bit_rprimitive)
assert is_subtype(bool_rprimitive, int_rprimitive)
assert is_subtype(bool_rprimitive, short_int_rprimitive)
for rt in native_int_types:
assert is_subtype(bool_rprimitive, rt)
def test_int64(self) -> None:
assert is_subtype(int64_rprimitive, int64_rprimitive)
assert is_subtype(int64_rprimitive, int_rprimitive)
assert not is_subtype(int64_rprimitive, short_int_rprimitive)
assert not is_subtype(int64_rprimitive, int32_rprimitive)
assert not is_subtype(int64_rprimitive, int16_rprimitive)
def test_int32(self) -> None:
assert is_subtype(int32_rprimitive, int32_rprimitive)
assert is_subtype(int32_rprimitive, int_rprimitive)
assert not is_subtype(int32_rprimitive, short_int_rprimitive)
assert not is_subtype(int32_rprimitive, int64_rprimitive)
assert not is_subtype(int32_rprimitive, int16_rprimitive)
def test_int16(self) -> None:
assert is_subtype(int16_rprimitive, int16_rprimitive)
assert is_subtype(int16_rprimitive, int_rprimitive)
assert not is_subtype(int16_rprimitive, short_int_rprimitive)
assert not is_subtype(int16_rprimitive, int64_rprimitive)
assert not is_subtype(int16_rprimitive, int32_rprimitive)
class TestRuntimeSubtype(unittest.TestCase):
def test_bit(self) -> None:
assert is_runtime_subtype(bit_rprimitive, bool_rprimitive)
assert not is_runtime_subtype(bit_rprimitive, int_rprimitive)
def test_bool(self) -> None:
assert not is_runtime_subtype(bool_rprimitive, bit_rprimitive)
assert not is_runtime_subtype(bool_rprimitive, int_rprimitive)
def test_union(self) -> None:
bool_int_mix = RUnion([bool_rprimitive, int_rprimitive])
assert not is_runtime_subtype(bool_int_mix, short_int_rprimitive)
assert not is_runtime_subtype(bool_int_mix, int_rprimitive)
assert not is_runtime_subtype(short_int_rprimitive, bool_int_mix)
assert not is_runtime_subtype(int_rprimitive, bool_int_mix)
class TestUnionSimplification(unittest.TestCase):
def test_simple_type_result(self) -> None:
assert RUnion.make_simplified_union([int_rprimitive]) == int_rprimitive
def test_remove_duplicate(self) -> None:
assert RUnion.make_simplified_union([int_rprimitive, int_rprimitive]) == int_rprimitive
def test_cannot_simplify(self) -> None:
assert RUnion.make_simplified_union(
[int_rprimitive, str_rprimitive, object_rprimitive]
) == RUnion([int_rprimitive, str_rprimitive, object_rprimitive])
def test_nested(self) -> None:
assert RUnion.make_simplified_union(
[int_rprimitive, RUnion([str_rprimitive, int_rprimitive])]
) == RUnion([int_rprimitive, str_rprimitive])
assert RUnion.make_simplified_union(
[int_rprimitive, RUnion([str_rprimitive, RUnion([int_rprimitive])])]
) == RUnion([int_rprimitive, str_rprimitive])
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