tests/python/ir/test_name_supply.py

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import tvm
import tvm.testing
from tvm.ir.supply import NameSupply


def test_fresh_name_empty_string():
    """Empty name should produce a valid variable name, not an empty string."""
    ns = NameSupply("")
    name = ns.fresh_name("", add_prefix=False)
    assert name == "v"
    name2 = ns.fresh_name("", add_prefix=False)
    assert name2 == "v_1"


def test_fresh_name_empty_string_with_prefix():
    """Empty name with prefix should produce a valid variable name."""
    ns = NameSupply("prefix")
    name = ns.fresh_name("", add_prefix=True)
    assert name == "prefix_v"
    name2 = ns.fresh_name("", add_prefix=True)
    assert name2 == "prefix_v_1"


if __name__ == "__main__":
    tvm.testing.main()