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-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.exp2
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.nix23
2 files changed, 24 insertions, 1 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.exp
index 73e9bc33b083..44154ba6a6b2 100644
--- a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.exp
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.exp
@@ -1 +1 @@
-[ 3 7 0 1 0 0.5 0.5 0.5 42 ]
+[ 3 7 0 1 0 0.5 0.5 0.5 42 1 1 -1 -1 -1 1 1 -1 -1 -1 1 1 -1 -1 -1 -74711 -74711 -74711 ]
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.nix
index 98b8b74bdf2b..dc6ce2781593 100644
--- a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.nix
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-div.nix
@@ -8,4 +8,27 @@
   (builtins.div 1 2.0)
   (builtins.div 1.0 2.0)
   (builtins.div (builtins.div 84 4) 0.5)
+
+  # builtins.div should truncate towards 0
+  (builtins.div 3 2)
+  (builtins.div (-3) (-2))
+  (builtins.div (-3) 2)
+  (builtins.div 3 (-2))
+  (-(builtins.div 3 2))
+
+  (builtins.div 4 3)
+  (builtins.div (-4) (-3))
+  (builtins.div (-4) 3)
+  (builtins.div 4 (-3))
+  (-(builtins.div 4 3))
+
+  (builtins.div 5 3)
+  (builtins.div (-5) (-3))
+  (builtins.div (-5) 3)
+  (builtins.div 5 (-3))
+  (-(builtins.div 5 3))
+
+  (builtins.div 2147812578 (-28748))
+  (builtins.div (-2147812578) 28748)
+  (-(builtins.div 2147812578 28748))
 ]