tests/python/test_stl.py

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import pathlib

import pytest
import tvm_ffi.cpp
from tvm_ffi.module import Module


def test_stl() -> None:
    cpp_path = pathlib.Path(__file__).parent.resolve() / "cpp_src" / "test_stl.cc"
    output_lib_path = tvm_ffi.cpp.build(
        name="test_stl",
        sources=[str(cpp_path)],
    )

    mod: Module = tvm_ffi.load_module(output_lib_path)

    assert list(mod.test_tuple([1, 2.5])) == [2.5, 1]
    assert mod.test_vector(None) is None
    assert list(mod.test_vector([[1, 2], [3, 4]])) == [3, 7]
    assert mod.test_variant(1) == "int"
    assert mod.test_variant(1.0) == "float"
    assert list(mod.test_variant([1, 1.0])) == ["int", "float"]
    assert dict(mod.test_map({"a": 1, "b": 2})) == {1: "a", 2: "b"}
    assert dict(mod.test_map_2({"a": 1, "b": 2})) == {1: "a", 2: "b"}
    assert mod.test_function(lambda: 0)() == 1
    assert mod.test_function(lambda: 10)() == 11

    with pytest.raises(TypeError):
        mod.test_tuple([1.5, 2.5])
    with pytest.raises(TypeError):
        mod.test_function(lambda: 0)(100)


if __name__ == "__main__":
    pytest.main([__file__])