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-rw-r--r--tests/lang/eval-okay-listToAttrs.nix8
-rw-r--r--tests/lang/eval-okay-listToAttrs.out1
2 files changed, 9 insertions, 0 deletions
diff --git a/tests/lang/eval-okay-listToAttrs.nix b/tests/lang/eval-okay-listToAttrs.nix
new file mode 100644
index 000000000000..f5eae92ccd98
--- /dev/null
+++ b/tests/lang/eval-okay-listToAttrs.nix
@@ -0,0 +1,8 @@
+# this test shows how to use listToAttrs and that evaluation is still lazy (throw isn't called)
+let 
+  asi = attr: value : { inherit attr value; };
+  list = [ ( asi "a" "A" ) ( asi "b" "B" ) ];
+  a = builtins.listToAttrs list;
+  b = builtins.listToAttrs ( list ++ list );
+  r = builtins.listToAttrs [ (asi "result" [ a b ]) ( asi "throw" (throw "this should not be thrown")) ];
+in r.result
diff --git a/tests/lang/eval-okay-listToAttrs.out b/tests/lang/eval-okay-listToAttrs.out
new file mode 100644
index 000000000000..4e779ff063f0
--- /dev/null
+++ b/tests/lang/eval-okay-listToAttrs.out
@@ -0,0 +1 @@
+List([Attrs([Bind("a",Str("A",[]),NoPos),Bind("b",Str("B",[]),NoPos)]),Attrs([Bind("a",Str("A",[]),NoPos),Bind("b",Str("B",[]),NoPos)])])