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authorWilliam Carroll <wpcarro@gmail.com>2022-09-05T18·43-0700
committerclbot <clbot@tvl.fyi>2022-09-15T20·37+0000
commite834a2cbc47cf18d5f35bb258ccc754c54c4f4e1 (patch)
treef11441a3a3951cf4bb2224b76bbb28b4a2a3233c /tvix/eval/src/tests
parent04503cf063340464fb4e8a185fe3b550ed48fa34 (diff)
feat(tvix/eval): Support builtins.attrNames r/4864
Define `.len()` method on `NixAttrs` to preallocate the capacity of the result
vector.

Also anchor an errant comment to its context (I think).

Change-Id: I268f15025d453d7b3ae1146558c80e51433dd2a8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6546
Reviewed-by: wpcarro <wpcarro@gmail.com>
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/eval/src/tests')
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.nix13
2 files changed, 14 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.exp
new file mode 100644
index 0000000000..6521066a8e
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.exp
@@ -0,0 +1 @@
+[ [ ] [ "bar" "baz" "foo" ] [ "Baz" "Foo" "bar" ] [ "Eric Idle" "Graham Chapman" "John Cleese" "Michael Palin" "Terry Gilliam" "Terry Jones" ] ]
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.nix
new file mode 100644
index 0000000000..67f7dcee56
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-attrnames.nix
@@ -0,0 +1,13 @@
+[
+  (builtins.attrNames {})
+  (builtins.attrNames { foo = 1; bar = 2; baz = 3; })
+  (builtins.attrNames { Foo = 1; bar = 2; Baz = 3; })
+  (builtins.attrNames {
+    "Graham Chapman" = true;
+    "John Cleese" = true;
+    "Terry Gilliam" = true;
+    "Eric Idle" = true;
+    "Terry Jones" = true;
+    "Michael Palin" = true;
+  })
+]