test for multiple error types on a function

Co-Authored-By: Eric Mastro <eric.mastro@gmail.com>

testmodule/testCustomErrors.nim

@@ -85,6 +85,16 @@ suite "Contract custom errors":
       check error.arguments.one == ("1", 2.u256)
       check error.arguments.two == (3.u256, 4.u256)
 
+  test "handles multiple error types":
+    proc revertsMultipleErrors(contract: TestCustomErrors, simple: bool)
+      {.contract, errors:[SimpleError, ErrorWithArguments].}
+
+    let contract = contract.connect(provider.getSigner())
+    expect SimpleError:
+      await contract.revertsMultipleErrors(simple = true)
+    expect ErrorWithArguments:
+      await contract.revertsMultipleErrors(simple = false)
+
   test "handles gas estimation errors":
     proc revertsTransaction(contract: TestCustomErrors)
       {.contract, errors:[ErrorWithArguments].}

testnode/contracts/TestCustomErrors.sol

@@ -42,6 +42,13 @@ contract TestCustomErrors {
     );
   }
 
+  function revertsMultipleErrors(bool simple) public pure {
+    if (simple) {
+      revert SimpleError();
+    }
+    revert ErrorWithArguments(1, false);
+  }
+
   string private state;
 
   function revertsTransaction() public {