Add DATACOPY to evm.memory_access test

Author: gumb0

test/unittests/evm_memory_test.cpp

@@ -123,6 +123,7 @@ memory_access_opcode memory_access_opcodes[] = {
     {OP_MSTORE8, 0, -1},
     {OP_MCOPY, 0, 2},
     {OP_MCOPY, 1, 2},
+    {OP_DATACOPY, 0, 2},
     {OP_EXTCODECOPY, 1, 3},
     {OP_RETURNDATACOPY, 0, 2},
     {OP_LOG0, 0, 1},
@@ -208,6 +209,15 @@ TEST_P(evm, memory_access)
 
             code += bytecode{t.opcode};
 
+            if (t.opcode == OP_DATACOPY)
+            {
+                if (is_advanced())
+                    continue;
+
+                code += bytecode{OP_STOP};
+                code = eof1_bytecode(code, 3, bytes(32, 0));
+            }
+
             const auto gas = 8796294610952;
             execute(gas, code);