foundry.toml

@@ -3,8 +3,8 @@ src = "src"
 out = "out"
 libs = ["lib", "dependencies"]
 remappings = [
-    "openzeppelin-contracts/=dependencies/@openzeppelin-contracts-5.2.0/",
+    "@openzeppelin-contracts/=dependencies/@openzeppelin-contracts-5.2.0/",
-    "solmate/=dependencies/solmate-6.8.0/src/",
+    "solmate/=dependencies/solmate-6.8.0/",
 ]
 
 [dependencies]

script/Counter.s.sol

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Script, console} from "forge-std/Script.sol";
+import {Counter} from "../src/Counter.sol";
+
+contract CounterScript is Script {
+    Counter public counter;
+
+    function setUp() public {}
+
+    function run() public {
+        vm.startBroadcast();
+
+        counter = new Counter();
+
+        vm.stopBroadcast();
+    }
+}

src/Counter.sol

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+contract Counter {
+    uint256 public number;
+
+    function setNumber(uint256 newNumber) public {
+        number = newNumber;
+    }
+
+    function increment() public {
+        number++;
+    }
+}

src/NFT.sol

@@ -1,24 +0,0 @@
-// SPDX-License-Identifier: UNLICENSED
-pragma solidity 0.8.28;
-
-import {ERC721} from "solmate/tokens/ERC721.sol";
-import {Strings} from "openzeppelin-contracts/utils/Strings.sol";
-
-contract NFT is ERC721 {
-	uint256 public currentTokenId;
-
-	constructor(
-		string memory _name,
-		string memory _symbol
-	) ERC721(_name, _symbol) {}
-
-	function mintTo(address recipient) public payable returns (uint256) {
-		uint256 newItemId = ++currentTokenId;
-		_safeMint(recipient, newItemId);
-		return newItemId;
-	}
-
-	function tokenURI(uint256 id) public view virtual override returns (string memory) {
-		return Strings.toString(id);
-	}
-}

test/Counter.t.sol

@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Test, console} from "forge-std/Test.sol";
+import {Counter} from "../src/Counter.sol";
+
+contract CounterTest is Test {
+    Counter public counter;
+
+    function setUp() public {
+        counter = new Counter();
+        counter.setNumber(0);
+    }
+
+    function test_Increment() public {
+        counter.increment();
+        assertEq(counter.number(), 1);
+    }
+
+    function testFuzz_SetNumber(uint256 x) public {
+        counter.setNumber(x);
+        assertEq(counter.number(), x);
+    }
+}