[KAIABridge] Handled untouched branch coverage

contracts/.solcover.js

@@ -1,3 +1,3 @@
 module.exports = {
-  skipFiles: ["libs", "testing"],
+  skipFiles: ["libs", "testing", "system_contracts/kaiabridge/ReentrancyGuardUpgradeable.sol"],
 };

contracts/contracts/testing/kaiabridge/EnumerableSetUint64.sol

@@ -0,0 +1,34 @@
+// Copyright 2024 The klaytn Authors
+// This file is part of the klaytn library.
+//
+// The klaytn library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The klaytn library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
+
+// SPDX-License-Identifier: LGPL-3.0-only
+pragma solidity 0.8.24;
+
+import "../../system_contracts/kaiabridge/EnumerableSetUint64.sol";
+
+contract TestEnumSet {
+    EnumerableSet.UintSet s;
+
+    constructor() {}
+
+    function add(uint64 v) public {
+        EnumerableSetUint64.setAdd(s, v);
+    }
+
+    function at(uint64 idx) public view returns (uint64) {
+        return EnumerableSetUint64.setAt(s, idx);
+    }
+}

contracts/test/KAIABridge/addr.ts

@@ -1,6 +1,14 @@
 import { expect } from "chai";
 
 describe("", function () {
+  const validAddrs = [
+    "link1hpufl3l8g44aaz3qsqw886sjanhhu73ul6tllxuw3pqlhxzq9e4svku69h",
+    "link10pgvx8pn5qwgwv066g93jlqux6mnsp0kajg9hp",
+  ];
+  const invalidAddrs = [
+    "link1hpufl3l8g44aaz3qsqw886sjanhhu63ul6tllxuw3pqlhxzq9e4svku69h",
+    "link10pgvx8pn5qwgwv066g93jlqux5mnsp0kajg9hp",
+  ];
   let bech32;
 
   beforeEach(async function() {
@@ -9,23 +17,36 @@ describe("", function () {
   })
 
   it("FNSA address validation", async function () {
-    const validAddrs = [
-      "link1hpufl3l8g44aaz3qsqw886sjanhhu73ul6tllxuw3pqlhxzq9e4svku69h",
-      "link10pgvx8pn5qwgwv066g93jlqux6mnsp0kajg9hp",
-    ];
-
-    const invalidAddrs = [
-      "link1hpufl3l8g44aaz3qsqw886sjanhhu63ul6tllxuw3pqlhxzq9e4svku69h",
-      "link10pgvx8pn5qwgwv066g93jlqux5mnsp0kajg9hp",
-    ];
-
     for (let validAddr of validAddrs) {
-      expect(await (bech32.verifyAddrFNSA(validAddr, false))).to.be.equal(true);
+      expect(await (bech32.verifyAddrFNSA(validAddr.toLowerCase(), true))).to.be.equal(true);
+      expect(await (bech32.verifyAddrFNSA(validAddr.toLowerCase(), false))).to.be.equal(true);
+      expect(await (bech32.verifyAddrFNSA(validAddr.toUpperCase(), true))).to.be.equal(true);
     }
 
     for (let invalidAddr of invalidAddrs) {
-      await expect(bech32.verifyAddrFNSA(invalidAddr, false))
+      await expect(bech32.verifyAddrFNSA(invalidAddr.toLowerCase(), true))
+        .to.be.revertedWith("Invalid checksum");
+      await expect(bech32.verifyAddrFNSA(invalidAddr.toLowerCase(), false))
+        .to.be.revertedWith("Invalid checksum");
+      await expect(bech32.verifyAddrFNSA(invalidAddr.toUpperCase(), true))
         .to.be.revertedWith("Invalid checksum");
     }
+
+    await expect(bech32.decodeNoLimit("0x1234", false))
+      .to.be.revertedWith("invalid bech32 string length")
+  })
+
+  it("Input validation", async function () {
+    await expect(bech32.normalize("0xAA"))
+      .to.be.revertedWith("Not allowed ASCII value");
+
+    await expect(bech32.normalize(Buffer.from("Link10pgvx8pn5qwgwv066g93jlqux6mnsp0kajg9hp")))
+      .to.be.revertedWith("string not all lowercase or all uppercase");
+
+    await expect(bech32.copyBytes("0xaa", 1, 0))
+      .to.be.revertedWith("from must be less than to");
+
+    await expect(bech32.copyBytes("0xaa", 0, 10))
+      .to.be.revertedWith("to must be less than or equal source length");
   })
 })