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authorVincent Ambo <mail@tazj.in>2022-09-03T01·25+0300
committertazjin <tazjin@tvl.su>2022-09-08T20·17+0000
commit678533bfc487dddfc4a2ad87b307159af952a225 (patch)
tree8772f7b4ce7edc79182ac2031ad0de1194d9c239 /tvix/eval/src
parent09eaa0d4ae63b0513c934535a40fa2aaa25846e1 (diff)
test(tvix/eval): add test for stack slot accounting edge-case r/4764
This was fixed by some of the previous commits around scopes. It's
somewhat similar to a few other tests, but I had this one failing
earlier and everything else succeeding, so it is useful to keep it
around for sure.

Change-Id: Ie6cf372b5c805daf992cd87aeb3dfe91542c381c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6431
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/eval/src')
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix17
2 files changed, 18 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp
new file mode 100644
index 000000000000..e45ef1da2f54
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.exp
@@ -0,0 +1 @@
+[ 1 2 3 4 5 6 7 ]
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix
new file mode 100644
index 000000000000..811bb4361bf7
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-nested-let-slots.nix
@@ -0,0 +1,17 @@
+# This test deals with a tricky edge-case around scopes, where the
+# stack slot accounting must correctly account for the position at
+# which the body of a let expression is being initialised when
+# resolving upvalues.
+
+let
+  a = 1;
+  b = 2;
+  outer = let
+    c = 3;
+    d = 4;
+    inner = let
+      e = 5;
+      f = 6;
+    in g: [ a b c d e f g ];
+  in inner;
+in outer 7