openzeppelin-contracts/contracts/mocks/SafeMathMockUpgradeable.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/math/SafeMathUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

contract SafeMathMockUpgradeable is Initializable {
    function __SafeMathMock_init() internal onlyInitializing {
    }

    function __SafeMathMock_init_unchained() internal onlyInitializing {
    }
    function tryAdd(uint256 a, uint256 b) public pure returns (bool flag, uint256 value) {
        return SafeMathUpgradeable.tryAdd(a, b);
    }

    function trySub(uint256 a, uint256 b) public pure returns (bool flag, uint256 value) {
        return SafeMathUpgradeable.trySub(a, b);
    }

    function tryMul(uint256 a, uint256 b) public pure returns (bool flag, uint256 value) {
        return SafeMathUpgradeable.tryMul(a, b);
    }

    function tryDiv(uint256 a, uint256 b) public pure returns (bool flag, uint256 value) {
        return SafeMathUpgradeable.tryDiv(a, b);
    }

    function tryMod(uint256 a, uint256 b) public pure returns (bool flag, uint256 value) {
        return SafeMathUpgradeable.tryMod(a, b);
    }

    // using the do* naming convention to avoid warnings due to clashing opcode names

    function doAdd(uint256 a, uint256 b) public pure returns (uint256) {
        return SafeMathUpgradeable.add(a, b);
    }

    function doSub(uint256 a, uint256 b) public pure returns (uint256) {
        return SafeMathUpgradeable.sub(a, b);
    }

    function doMul(uint256 a, uint256 b) public pure returns (uint256) {
        return SafeMathUpgradeable.mul(a, b);
    }

    function doDiv(uint256 a, uint256 b) public pure returns (uint256) {
        return SafeMathUpgradeable.div(a, b);
    }

    function doMod(uint256 a, uint256 b) public pure returns (uint256) {
        return SafeMathUpgradeable.mod(a, b);
    }

    function subWithMessage(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) public pure returns (uint256) {
        return SafeMathUpgradeable.sub(a, b, errorMessage);
    }

    function divWithMessage(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) public pure returns (uint256) {
        return SafeMathUpgradeable.div(a, b, errorMessage);
    }

    function modWithMessage(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) public pure returns (uint256) {
        return SafeMathUpgradeable.mod(a, b, errorMessage);
    }

    function addMemoryCheck() public pure returns (uint256 mem) {
        uint256 length = 32;
        assembly {
            mem := mload(0x40)
        }
        for (uint256 i = 0; i < length; ++i) {
            SafeMathUpgradeable.add(1, 1);
        }
        assembly {
            mem := sub(mload(0x40), mem)
        }
    }

    function subMemoryCheck() public pure returns (uint256 mem) {
        uint256 length = 32;
        assembly {
            mem := mload(0x40)
        }
        for (uint256 i = 0; i < length; ++i) {
            SafeMathUpgradeable.sub(1, 1);
        }
        assembly {
            mem := sub(mload(0x40), mem)
        }
    }

    function mulMemoryCheck() public pure returns (uint256 mem) {
        uint256 length = 32;
        assembly {
            mem := mload(0x40)
        }
        for (uint256 i = 0; i < length; ++i) {
            SafeMathUpgradeable.mul(1, 1);
        }
        assembly {
            mem := sub(mload(0x40), mem)
        }
    }

    function divMemoryCheck() public pure returns (uint256 mem) {
        uint256 length = 32;
        assembly {
            mem := mload(0x40)
        }
        for (uint256 i = 0; i < length; ++i) {
            SafeMathUpgradeable.div(1, 1);
        }
        assembly {
            mem := sub(mload(0x40), mem)
        }
    }

    function modMemoryCheck() public pure returns (uint256 mem) {
        uint256 length = 32;
        assembly {
            mem := mload(0x40)
        }
        for (uint256 i = 0; i < length; ++i) {
            SafeMathUpgradeable.mod(1, 1);
        }
        assembly {
            mem := sub(mload(0x40), mem)
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}