diff -r 5af6a5e4343b -r e77e8ef5bf9b src/HOL/Codegenerator_Test/Code_Test_OCaml.thy
--- a/src/HOL/Codegenerator_Test/Code_Test_OCaml.thy	Sun Dec 22 08:46:03 2024 +0100
+++ b/src/HOL/Codegenerator_Test/Code_Test_OCaml.thy	Mon Dec 23 21:22:10 2024 +0100
@@ -1,10 +1,15 @@
 (*  Title:      HOL/Codegenerator_Test/Code_Test_OCaml.thy
     Author:     Andreas Lochbihler, ETH Zurich
-
-Test case for test_code on OCaml
+    Author:     Florian Haftmann, TU Muenchen
 *)
 
-theory Code_Test_OCaml imports  "HOL-Library.Code_Test" Code_Lazy_Test begin
+theory Code_Test_OCaml
+imports
+  "HOL-Library.Code_Test"
+  Code_Lazy_Test
+begin
+
+text \<open>Test cases for \<^text>\<open>test_code\<close>\<close>
 
 test_code "14 + 7 * -12 = (140 div -2 :: integer)" in OCaml
 
@@ -22,4 +27,163 @@
 
 test_code "stake 10 (cycle ''ab'') = ''ababababab''" in OCaml
 
+text \<open>Test cases for bit operations on target language numerals\<close>
+
+unbundle bit_operations_syntax
+
+lemma \<open>bit (473514 :: integer) 5\<close>
+  by normalization
+
+test_code \<open>bit (473514 :: integer) 5\<close> in OCaml
+
+lemma \<open>bit (- 805167 :: integer) 7\<close>
+  by normalization
+
+test_code \<open>bit (- 805167 :: integer) 7\<close> in OCaml
+
+lemma \<open>473514 AND (767063 :: integer) = 208898\<close>
+  by normalization
+
+test_code \<open>473514 AND (767063 :: integer) = 208898\<close> in OCaml
+
+lemma \<open>- 805167 AND (767063 :: integer) = 242769\<close>
+  by normalization
+
+test_code \<open>- 805167 AND (767063 :: integer) = 242769\<close> in OCaml
+
+lemma \<open>473514 AND (- 314527 :: integer) = 209184\<close>
+  by normalization
+
+test_code \<open>473514 AND (- 314527 :: integer) = 209184\<close> in OCaml
+
+lemma \<open>- 805167 AND (- 314527 :: integer) = - 839103\<close>
+  by normalization
+
+test_code \<open>- 805167 AND (- 314527 :: integer) = - 839103\<close> in OCaml
+
+lemma \<open>473514 OR (767063 :: integer) = 1031679\<close>
+  by normalization
+
+test_code \<open>473514 OR (767063 :: integer) = 1031679\<close> in OCaml
+
+lemma \<open>- 805167 OR (767063 :: integer) = - 280873\<close>
+  by normalization
+
+test_code \<open>- 805167 OR (767063 :: integer) = - 280873\<close> in OCaml
+
+lemma \<open>473514 OR (- 314527 :: integer) = - 50197\<close>
+  by normalization
+
+test_code \<open>473514 OR (- 314527 :: integer) = - 50197\<close> in OCaml
+
+lemma \<open>- 805167 OR (- 314527 :: integer) = - 280591\<close>
+  by normalization
+
+test_code \<open>- 805167 OR (- 314527 :: integer) = - 280591\<close> in OCaml
+
+lemma \<open>473514 XOR (767063 :: integer) = 822781\<close>
+  by normalization
+
+test_code \<open>473514 XOR (767063 :: integer) = 822781\<close> in OCaml
+
+lemma \<open>- 805167 XOR (767063 :: integer) = - 523642\<close>
+  by normalization
+
+test_code \<open>- 805167 XOR (767063 :: integer) = - 523642\<close> in OCaml
+
+lemma \<open>473514 XOR (- 314527 :: integer) = - 259381\<close>
+  by normalization
+
+test_code \<open>473514 XOR (- 314527 :: integer) = - 259381\<close> in OCaml
+
+lemma \<open>- 805167 XOR (- 314527 :: integer) = 558512\<close>
+  by normalization
+
+test_code \<open>- 805167 XOR (- 314527 :: integer) = 558512\<close> in OCaml
+
+lemma \<open>NOT (473513 :: integer) = - 473514\<close>
+  by normalization
+
+test_code \<open>NOT (473513 :: integer) = - 473514\<close> in OCaml
+
+lemma \<open>NOT (- 805167 :: integer) = 805166\<close>
+  by normalization
+
+test_code \<open>NOT (- 805167 :: integer) = 805166\<close> in OCaml
+
+lemma \<open>(mask 39 :: integer) = 549755813887\<close>
+  by normalization
+
+test_code \<open>(mask 39 :: integer) = 549755813887\<close> in OCaml
+
+lemma \<open>set_bit 15 (473514 :: integer) = 506282\<close>
+  by normalization
+
+test_code \<open>set_bit 15 (473514 :: integer) = 506282\<close> in OCaml
+
+lemma \<open>set_bit 11 (- 805167 :: integer) = - 803119\<close>
+  by normalization
+
+test_code \<open>set_bit 11 (- 805167 :: integer) = - 803119\<close> in OCaml
+
+lemma \<open>unset_bit 13 (473514 :: integer) = 465322\<close>
+  by normalization
+
+test_code \<open>unset_bit 13 (473514 :: integer) = 465322\<close> in OCaml
+
+lemma \<open>unset_bit 12 (- 805167 :: integer) = - 809263\<close>
+  by normalization
+
+test_code \<open>unset_bit 12 (- 805167 :: integer) = - 809263\<close> in OCaml
+
+lemma \<open>flip_bit 15 (473514 :: integer) = 506282\<close>
+  by normalization
+
+test_code \<open>flip_bit 15 (473514 :: integer) = 506282\<close> in OCaml
+
+lemma \<open>flip_bit 12 (- 805167 :: integer) = - 809263\<close>
+  by normalization
+
+test_code \<open>flip_bit 12 (- 805167 :: integer) = - 809263\<close> in OCaml
+
+lemma \<open>push_bit 12 (473514 :: integer) = 1939513344\<close>
+  by normalization
+
+test_code \<open>push_bit 12 (473514 :: integer) = 1939513344\<close> in OCaml
+
+lemma \<open>push_bit 12 (- 805167 :: integer) = - 3297964032\<close>
+  by normalization
+
+test_code \<open>push_bit 12 (- 805167 :: integer) = - 3297964032\<close> in OCaml
+
+lemma \<open>drop_bit 12 (473514 :: integer) = 115\<close>
+  by normalization
+
+test_code \<open>drop_bit 12 (473514 :: integer) = 115\<close> in OCaml
+
+lemma \<open>drop_bit 12 (- 805167 :: integer) = - 197\<close>
+  by normalization
+
+test_code \<open>drop_bit 12 (- 805167 :: integer) = - 197\<close> in OCaml
+
+lemma \<open>take_bit 12 (473514 :: integer) = 2474\<close>
+  by normalization
+
+test_code \<open>take_bit 12 (473514 :: integer) = 2474\<close> in OCaml
+
+lemma \<open>take_bit 12 (- 805167 :: integer) = 1745\<close>
+  by normalization
+
+test_code \<open>take_bit 12 (- 805167 :: integer) = 1745\<close> in OCaml
+
+lemma \<open>signed_take_bit 12 (473514 :: integer) = - 1622\<close>
+  by normalization
+
+test_code \<open>signed_take_bit 12 (473514 :: integer) = - 1622\<close> in OCaml
+
+lemma \<open>signed_take_bit 12 (- 805167 :: integer) = - 2351\<close>
+  by normalization
+
+test_code \<open>signed_take_bit 12 (- 805167 :: integer) = - 2351\<close> in OCaml
+
 end