// SPDX-License-Identifier: MITpragma solidity 0.8.24;import {Test} from "forge-std/Test.sol";import {PragmaNFT} from "../src/PragmaNFT.sol";contract ReceiverMock {    bool public accept;    constructor(bool accept_) { accept = accept_; }    function onERC721Received(address, address, uint256, bytes calldata)        external        view        returns (bytes4)    {        require(accept, "rejected");        return 0x150b7a02;    }}contract PragmaNFTSecurityTest is Test {    PragmaNFT internal nft;    address internal alice = address(0xA11CE);    address internal bob = address(0xB0B);    function setUp() public {        nft = new PragmaNFT("Pragma NFT", "PRAGMA", "ipfs://collection/", 100, 500);    }    function testSafeTransferToReceiver() public {        nft.mint(alice);        ReceiverMock receiver = new ReceiverMock(true);        vm.prank(alice);        nft.safeTransferFrom(alice, address(receiver), 1);        assertEq(nft.ownerOf(1), address(receiver));    }    function testSafeTransferRejectsBadReceiver() public {        nft.mint(alice);        ReceiverMock receiver = new ReceiverMock(false);        vm.prank(alice);        vm.expectRevert(PragmaNFT.UnsafeRecipient.selector);        nft.safeTransferFrom(alice, address(receiver), 1);    }    function testOperatorCanTransfer() public {        nft.mint(alice);        vm.prank(alice);        nft.setApprovalForAll(bob, true);        vm.prank(bob);        nft.transferFrom(alice, bob, 1);        assertEq(nft.ownerOf(1), bob);    }    function testOwnerCanTransferOwnership() public {        nft.transferOwnership(bob);        assertEq(nft.owner(), bob);    }    function testOldOwnerCannotMintAfterOwnershipTransfer() public {        nft.transferOwnership(bob);        vm.expectRevert(PragmaNFT.NotOwner.selector);        nft.mint(alice);    }    function testRoyaltyBoundary() public {        nft.mint(alice);        (, uint256 zeroRoyalty) = nft.royaltyInfo(1, 0);        (, uint256 maxRoyalty) = nft.royaltyInfo(1, 10_000);        assertEq(zeroRoyalty, 0);        assertEq(maxRoyalty, 500);    }}