Adding tests for scoping (#476)

Adding tests for Scoping

Signed-off-by: Stefan Stefanov <[email protected]>

contracts/solidity/scoping/Scoping.sol

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: Apache-2.0
+pragma solidity ^0.8.20;
+
+contract Scoping {
+    function minimalScoping() pure public {
+        {
+            uint same;
+            same = 1;
+        }
+
+        {
+            uint same;
+            same = 3;
+        }
+    }
+
+    function reassign() pure public returns (uint) {
+        uint x = 1;
+        {
+            x = 2; // this will assign to the outer variable
+            uint x;
+        }
+        return x; // x has value 2
+    }
+}

test/constants.js

@@ -111,6 +111,7 @@ const Contract = {
   Functions: 'Functions',
   FunctionsChild: 'FunctionsChild',
   FunctionsParent: 'FunctionsParent',
+  Scoping: 'Scoping',
 }
 
 const CALL_EXCEPTION = 'CALL_EXCEPTION'

test/solidity/scoping/scoping.js

@@ -0,0 +1,39 @@
+/*-
+ *
+ * Hedera JSON RPC Relay - Hardhat Example
+ *
+ * Copyright (C) 2023 Hedera Hashgraph, LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+const { expect } = require('chai')
+const { ethers } = require('hardhat')
+const Constants = require('../../constants')
+
+describe('Scoping tests', () => {
+  let contract
+
+  before(async () => {
+    const factory = await ethers.getContractFactory(Constants.Contract.Scoping)
+    contract = await factory.deploy()
+  })
+
+  it('should verify the solidity functionality: "scoping"', async () => {
+    await contract.minimalScoping();
+    const resReassign = await contract.reassign();
+
+    expect(resReassign).to.equal(2);
+  })
+})