Add test for custom set values

Author: janndriessen

Tests/web3swiftTests/remoteTests/PolicyResolverTests.swift

@@ -6,6 +6,7 @@
 //
 
 import XCTest
+import BigInt
 import Core
 
 @testable import web3swift
@@ -52,4 +53,31 @@ final class PolicyResolverTests: XCTestCase {
         XCTAssertGreaterThan(tx.gasPrice ?? 0, 0)
         XCTAssertGreaterThan(tx.nonce, 0)
     }
+
+    func testResolveExact() async throws {
+        let expectedNonce = BigUInt(42)
+        let expectedGasLimit = BigUInt(22_000)
+        let expectedBaseFee = BigUInt(20)
+        let expectedPriorityFee = BigUInt(9)
+        let web3 = await Web3.InfuraMainnetWeb3(accessToken: Constants.infuraToken)
+        let resolver = PolicyResolver(provider: web3.provider)
+        var tx = CodableTransaction(
+            type: .eip1559,
+            to: EthereumAddress("0xb47292B7bBedA4447564B8336E4eD1f93735e7C7")!,
+            chainID: web3.provider.network!.chainID,
+            value: Utilities.parseToBigUInt("0.1", units: .eth)!,
+            gasLimit: 21_000
+        )
+        // Vitalik's address
+        tx.from = EthereumAddress("0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B")!
+        tx.gasLimitPolicy = .manual(expectedGasLimit)
+        tx.maxFeePerGasPolicy = .manual(expectedBaseFee)
+        tx.maxPriorityFeePerGasPolicy = .manual(expectedPriorityFee)
+        tx.noncePolicy = .exact(expectedNonce)
+        try await resolver.resolveAll(for: &tx)
+        XCTAssertEqual(tx.gasLimit, expectedGasLimit)
+        XCTAssertEqual(tx.maxFeePerGas, expectedBaseFee)
+        XCTAssertEqual(tx.maxPriorityFeePerGas, expectedPriorityFee)
+        XCTAssertEqual(tx.nonce, expectedNonce)
+    }
 }