diff --git a/contracts/tests/OpenNFTsV4Skale/OpenNFTsV4SkaleTest.t.sol b/contracts/tests/OpenNFTsV4Skale/OpenNFTsV4SkaleTest.t.sol
new file mode 100644
index 00000000..bb5ac4d9
--- /dev/null
+++ b/contracts/tests/OpenNFTsV4Skale/OpenNFTsV4SkaleTest.t.sol
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: MITs
+pragma solidity ^0.8.19;
+
+import "forge-std/Test.sol";
+
+import "src/OpenNFTsV4Skale.sol";
+
+contract OpenNFTsV4SkaleTest is Test {
+    address owner = makeAddr("owner");
+    address minter = makeAddr("minter");
+    OpenNFTsV4Skale collection;
+    string constant TOKEN_URI = "ipfs://bafkreidfhassyaujwpbarjwtrc6vgn2iwfjmukw3v7hvgggvwlvdngzllm";
+
+    function setUp() public {
+        bool[] memory options = new bool[](1);
+        options[0] = true;
+
+        vm.startPrank(owner);
+        collection = new OpenNFTsV4Skale();
+        collection.initialize(
+            "SkaleTest", "SKTEST", owner, abi.encode(abi.encode(0, address(0), 0, options), address(0), 0)
+        );
+        vm.stopPrank();
+    }
+
+    function test_OpenNFTsV4Skale_cooldownPeriod(uint256 coolDownPeriod) public {
+        vm.assume(coolDownPeriod < 1e16);
+
+        vm.prank(owner);
+        collection.setCooldownPeriod(coolDownPeriod);
+
+        vm.startPrank(minter);
+        collection.mint(TOKEN_URI);
+
+        vm.warp(block.timestamp + coolDownPeriod);
+
+        vm.expectRevert();
+        collection.mint(TOKEN_URI);
+
+        vm.warp(block.timestamp + 1);
+
+        collection.mint(TOKEN_URI);
+        vm.stopPrank();
+    }
+
+    function test_OpenNFTsV4Skale_tokenUriMaxLength() public {
+        vm.prank(minter);
+        collection.mint(TOKEN_URI);
+
+        vm.prank(owner);
+        collection.setTokenUriMaxLength(64);
+
+        vm.prank(minter);
+        vm.expectRevert();
+        collection.mint(TOKEN_URI);
+    }
+}