"""按可用余额打满:min(余额, 单笔预算)."""
from __future__ import annotations

from lib.options.options_pricing_lib import resolve_budget_full_usdc


def test_balance_above_budget_uses_budget():
    assert resolve_budget_full_usdc(100.0, 10.0) == 10.0


def test_balance_below_budget_uses_balance():
    assert resolve_budget_full_usdc(5.0, 10.0) == 5.0


def test_balance_equals_budget():
    assert resolve_budget_full_usdc(10.0, 10.0) == 10.0