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#
#   http://www.apache.org/licenses/LICENSE-2.0
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# testcases appearing in example docstrings
from typing import Any

import tvm_ffi


def test_register_global_func() -> None:
    # we can use decorator to register a function
    @tvm_ffi.register_global_func("example.echo")
    def echo(x: Any) -> Any:
        return x

    # After registering, we can get the function by its name
    f = tvm_ffi.get_global_func("example.echo")
    assert f(1) == 1
    # we can also directly register a function
    tvm_ffi.register_global_func("example.add_one", lambda x: x + 1)
    f = tvm_ffi.get_global_func("example.add_one")
    assert f(1) == 2


def test_array() -> None:
    a = tvm_ffi.convert([1, 2, 3])
    assert isinstance(a, tvm_ffi.Array)
    assert len(a) == 3


def test_map() -> None:
    amap = tvm_ffi.convert({"a": 1, "b": 2})
    assert isinstance(amap, tvm_ffi.Map)
    assert len(amap) == 2
    assert amap["a"] == 1
    assert amap["b"] == 2