BTT TokenERC721

src/test/burn-to-claim-drop-BTT/logic/other-functions/other.t.sol

@@ -65,11 +65,16 @@ contract MyBurnToClaimDrop721Logic is BurnToClaimDrop721Logic {
     function beforeClaim(uint256 _quantity, AllowlistProof calldata proof) external {
         _beforeClaim(address(0), _quantity, address(0), 0, proof, "");
     }
+
+    function mintTo(address _recipient) external {
+        _safeMint(_recipient, 1);
+    }
 }
 
 contract BurnToClaimDrop721Logic_OtherFunctions is BaseTest, IExtension {
     MyBurnToClaimDrop721Logic public drop;
     address internal caller;
+    address internal recipient;
 
     function setUp() public override {
         super.setUp();
@@ -106,6 +111,7 @@ contract BurnToClaimDrop721Logic_OtherFunctions is BaseTest, IExtension {
         );
 
         caller = getActor(5);
+        recipient = getActor(6);
     }
 
     function _setupExtensions() internal returns (Extension[] memory extensions) {
@@ -146,7 +152,7 @@ contract BurnToClaimDrop721Logic_OtherFunctions is BaseTest, IExtension {
             implementation: dropLogic
         });
 
-        extension_drop.functions = new ExtensionFunction[](15);
+        extension_drop.functions = new ExtensionFunction[](18);
         extension_drop.functions[0] = ExtensionFunction(
             MyBurnToClaimDrop721Logic.canSetPlatformFeeInfo.selector,
             "canSetPlatformFeeInfo()"
@@ -204,6 +210,12 @@ contract BurnToClaimDrop721Logic_OtherFunctions is BaseTest, IExtension {
             BurnToClaimDrop721Logic.setMaxTotalMinted.selector,
             "setMaxTotalMinted(uint256)"
         );
+        extension_drop.functions[15] = ExtensionFunction(BurnToClaimDrop721Logic.burn.selector, "burn(uint256)");
+        extension_drop.functions[16] = ExtensionFunction(MyBurnToClaimDrop721Logic.mintTo.selector, "mintTo(address)");
+        extension_drop.functions[17] = ExtensionFunction(
+            IERC721.setApprovalForAll.selector,
+            "setApprovalForAll(address,bool)"
+        );
 
         extensions[1] = extension_drop;
     }
@@ -347,4 +359,41 @@ contract BurnToClaimDrop721Logic_OtherFunctions is BaseTest, IExtension {
 
         drop.beforeClaim(10, proof); // no revert if max total mint cap is set to 0
     }
+
+    //=========== burn tests =========
+
+    function test_burn_whenNotOwnerNorApproved() public {
+        // mint
+        drop.mintTo(recipient);
+
+        // burn
+        vm.expectRevert();
+        drop.burn(0);
+    }
+
+    function test_burn_whenOwner() public {
+        // mint
+        drop.mintTo(recipient);
+
+        // burn
+        vm.prank(recipient);
+        drop.burn(0);
+
+        vm.expectRevert(); // checking non-existent token, because burned
+        drop.ownerOf(0);
+    }
+
+    function test_burn_whenApproved() public {
+        drop.mintTo(recipient);
+
+        vm.prank(recipient);
+        drop.setApprovalForAll(caller, true);
+
+        // burn
+        vm.prank(caller);
+        drop.burn(0);
+
+        vm.expectRevert(); // checking non-existent token, because burned
+        drop.ownerOf(0);
+    }
 }

src/test/burn-to-claim-drop-BTT/logic/other-functions/other.tree

@@ -47,9 +47,11 @@ _canSetBurnToClaim()
     └── it should return true ✅
 
 burn(uint256 tokenId)
-├── when the caller isn't the owner of `tokenId`
+├── when the caller isn't the owner of `tokenId` or token not approved to caller
 │   └── it should revert ✅
 └── when the caller owns `tokenId`
+│   └── it should burn the token ✅
+└── when the `tokenId` is approved to caller
     └── it should burn the token ✅
 
 _beforeTokenTransfers(

src/test/tokenerc721-BTT/burn/burn.t.sol

@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.0;
+
+import "../../utils/BaseTest.sol";
+
+import { TWProxy } from "contracts/infra/TWProxy.sol";
+
+contract MyTokenERC721 is TokenERC721 {}
+
+contract TokenERC721Test_Burn is BaseTest {
+    address public implementation;
+    address public proxy;
+    address public caller;
+    address public recipient;
+    string public uri;
+
+    MyTokenERC721 internal tokenContract;
+
+    event MetadataUpdate(uint256 _tokenId);
+    event TokensMinted(address indexed mintedTo, uint256 indexed tokenIdMinted, string uri);
+
+    function setUp() public override {
+        super.setUp();
+
+        // Deploy implementation.
+        implementation = address(new MyTokenERC721());
+        caller = getActor(1);
+        recipient = getActor(2);
+
+        // Deploy proxy pointing to implementaion.
+        vm.prank(deployer);
+        proxy = address(
+            new TWProxy(
+                implementation,
+                abi.encodeCall(
+                    TokenERC721.initialize,
+                    (
+                        deployer,
+                        NAME,
+                        SYMBOL,
+                        CONTRACT_URI,
+                        forwarders(),
+                        saleRecipient,
+                        royaltyRecipient,
+                        royaltyBps,
+                        platformFeeBps,
+                        platformFeeRecipient
+                    )
+                )
+            )
+        );
+
+        tokenContract = MyTokenERC721(proxy);
+        uri = "uri";
+
+        vm.prank(deployer);
+        tokenContract.grantRole(keccak256("MINTER_ROLE"), caller);
+    }
+
+    function test_burn_whenNotOwnerNorApproved() public {
+        // state before
+        uint256 _tokenIdToMint = tokenContract.nextTokenIdToMint();
+
+        // mint
+        vm.prank(caller);
+        uint256 _tokenId = tokenContract.mintTo(recipient, uri);
+
+        // burn
+        vm.expectRevert("ERC721Burnable: caller is not owner nor approved");
+        tokenContract.burn(_tokenId);
+    }
+
+    function test_burn_whenOwner() public {
+        // state before
+        uint256 _tokenIdToMint = tokenContract.nextTokenIdToMint();
+
+        // mint
+        vm.prank(caller);
+        uint256 _tokenId = tokenContract.mintTo(recipient, uri);
+
+        // burn
+        vm.prank(recipient);
+        tokenContract.burn(_tokenId);
+
+        vm.expectRevert(); // checking non-existent token, because burned
+        tokenContract.ownerOf(_tokenId);
+    }
+
+    function test_burn_whenApproved() public {
+        // state before
+        uint256 _tokenIdToMint = tokenContract.nextTokenIdToMint();
+
+        // mint
+        vm.prank(caller);
+        uint256 _tokenId = tokenContract.mintTo(recipient, uri);
+
+        vm.prank(recipient);
+        tokenContract.setApprovalForAll(caller, true);
+
+        // burn
+        vm.prank(caller);
+        tokenContract.burn(_tokenId);
+
+        vm.expectRevert(); // checking non-existent token, because burned
+        tokenContract.ownerOf(_tokenId);
+    }
+}

src/test/tokenerc721-BTT/burn/burn.tree

@@ -0,0 +1,8 @@
+burn(uint256 tokenId)
+├── when the caller isn't the owner of `tokenId` or token not approved to caller
+│   └── it should revert ✅
+└── when the caller owns `tokenId`
+│   └── it should burn the token ✅
+└── when the `tokenId` is approved to caller
+    └── it should burn the token ✅
+