diff --git a/packages/contracts-bedrock/test/L1/L2OutputOracle.t.sol b/packages/contracts-bedrock/test/L1/L2OutputOracle.t.sol
index 490ae07c927..5719d3fa558 100644
--- a/packages/contracts-bedrock/test/L1/L2OutputOracle.t.sol
+++ b/packages/contracts-bedrock/test/L1/L2OutputOracle.t.sol
@@ -99,6 +99,31 @@ contract L2OutputOracle_getter_Test is L2OutputOracle_TestBase {
         l2OutputOracle.getL2Output(nextOutputIndex + 1);
     }
 
+    /// @dev Tests that `getL2OutputAfter` of an L2 block number returns the L2 output of the `getL2OutputIndexAfter` of
+    /// that block number.
+    function test_getL2OutputAfter_succeeds() external {
+        uint8 iterations = 5;
+
+        Types.OutputProposal memory output;
+        Types.OutputProposal memory expectedOutput;
+
+        for (uint8 i; i < iterations; i++) {
+            proposeAnotherOutput();
+        }
+
+        uint256 latestBlockNumber = l2OutputOracle.latestBlockNumber();
+        for (uint8 i = iterations - 1; i > 0; i--) {
+            uint256 index = l2OutputOracle.getL2OutputIndexAfter(latestBlockNumber);
+            output = l2OutputOracle.getL2OutputAfter(latestBlockNumber);
+            expectedOutput = l2OutputOracle.getL2Output(index);
+            assertEq(output.outputRoot, expectedOutput.outputRoot);
+            assertEq(output.timestamp, expectedOutput.timestamp);
+            assertEq(output.l2BlockNumber, expectedOutput.l2BlockNumber);
+
+            latestBlockNumber -= l2OutputOracle.SUBMISSION_INTERVAL();
+        }
+    }
+
     /// @dev Tests that `getL2OutputIndexAfter` returns the correct value
     ///      when the input is the exact block number of the proposal.
     function test_getL2OutputIndexAfter_sameBlock_succeeds() external {
diff --git a/packages/contracts-bedrock/test/L2/GasPriceOracle.t.sol b/packages/contracts-bedrock/test/L2/GasPriceOracle.t.sol
index 0a1d97c9351..f013325ef7e 100644
--- a/packages/contracts-bedrock/test/L2/GasPriceOracle.t.sol
+++ b/packages/contracts-bedrock/test/L2/GasPriceOracle.t.sol
@@ -117,6 +117,26 @@ contract GasPriceOracleBedrock_Test is GasPriceOracle_Test {
         vm.expectRevert("GasPriceOracle: Fjord can only be activated after Ecotone");
         gasPriceOracle.setFjord();
     }
+
+    /// @dev Tests that `getL1Fee` returns the expected value when both fjord and ecotone are not active
+    function test_getL1Fee_whenFjordAndEcotoneNotActive_succeeds() external {
+        vm.store(address(gasPriceOracle), bytes32(uint256(0)), bytes32(0));
+        bytes memory data = hex"1111";
+
+        uint256 price = gasPriceOracle.getL1Fee(data);
+        assertEq(price, 28_600); // ((((16 * data.length(i.e 2)) * (68 * 16)) + l1FeeOverhead(i.e. 310)) *
+            // l1BaseFee(i.e. 2M) *
+            // l1FeeScalar(i.e. 10)) / 1e6
+    }
+
+    /// @dev Tests that `getL1GasUsed` returns the expected value when both fjord and ecotone are not active
+    function test_getL1GasUsed_whenFjordAndEcotoneNotActive_succeeds() external {
+        vm.store(address(gasPriceOracle), bytes32(uint256(0)), bytes32(0));
+        bytes memory data = hex"1111";
+
+        uint256 gas = gasPriceOracle.getL1GasUsed(data);
+        assertEq(gas, 1_430); // 1398 + (16 * data.length(i.e 2))
+    }
 }
 
 contract GasPriceOracleEcotone_Test is GasPriceOracle_Test {