EIP-4399: add test cases (#5068)

danfinlay · May 2, 2022 · 2b59973 · 2b59973
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diff --git a/EIPS/eip-4399.md b/EIPS/eip-4399.md
@@ -108,7 +108,9 @@ The second category is comprised of applications that use the return value of th
 
 ## Test Cases
 
-Testing this functionality goes beyond this document and should be done in a form of integration testing.
+* In one of ancestors of `TRANSITION_BLOCK` deploy a contract that stores return value of  `DIFFICULTY (0x44)` to the state
+* Check that value returned by `DIFFICULTY (0x44)` in transaction executed within the parent of `TRANSITION_BLOCK` equals `difficulty` field value
+* Check that value returned by `PREVRANDAO (0x44)` in transaction executed within `TRANSITION_BLOCK` equals `prevRandao` field value
 
 
 ## Security Considerations