struct TestCase {
        uint256 a;
        uint256 b;
        uint256 expected;
    }
    
    function fixtureSums() public returns (TestCase[] memory) {
        TestCase[] memory entries = new TestCase[](2);
        entries[0] = TestCase(1, 2, 3);
        entries[1] = TestCase(4, 5, 9);
        return entries;
    }

    function tableSumsTest(TestCase memory sums) public pure {
        require(sums.a + sums.b == sums.expected, "wrong sum");
    }

contract SwapTableTest is Test {
    struct Wallet {
        address owner;
        uint256 amount;
    }

    struct Swap {
        bool swap;
        uint256 amount;
    }
    
    Wallet[] public fixtureWallet;
    Swap[] public fixtureSwap;

    function setUp() public {
        // first table test input
        fixtureWallet.push(Wallet(address(11), 11));
        fixtureSwap.push(Swap(true, 11));

        // second table test input
        fixtureWallet.push(Wallet(address(12), 12));        
        fixtureSwap.push(Swap(false, 12));
    }

    function tableSwapTest(Wallet memory wallet, Swap memory swap) public pure {
        require(
            (wallet.owner == address(11) && swap.swap) || (wallet.owner == address(12) && !swap.swap), "not allowed"
        );
    }
}