diff options
| author | John Ericson <John.Ericson@Obsidian.Systems> | 2023-02-28 12:46:00 -0500 |
|---|---|---|
| committer | John Ericson <John.Ericson@Obsidian.Systems> | 2023-02-28 12:46:00 -0500 |
| commit | 5abd643c6d10f2cfa6e26652a9688a0263310094 (patch) | |
| tree | 2fdb8bf147cb93430ba3ba79a473568e2584e497 /tests/lang | |
| parent | e68e8e3cee53ce7debd7c54b0d122d94d1b102a2 (diff) | |
| parent | d381248ec0847cacd918480e83a99287f814456a (diff) | |
Merge branch 'path-info' into ca-drv-exotic
Diffstat (limited to 'tests/lang')
5 files changed, 22 insertions, 0 deletions
diff --git a/tests/lang/eval-fail-foldlStrict-strict-op-application.nix b/tests/lang/eval-fail-foldlStrict-strict-op-application.nix new file mode 100644 index 000000000..1620cc76e --- /dev/null +++ b/tests/lang/eval-fail-foldlStrict-strict-op-application.nix @@ -0,0 +1,5 @@ +# Tests that the result of applying op is forced even if the value is never used +builtins.foldl' + (_: f: f null) + null + [ (_: throw "Not the final value, but is still forced!") (_: 23) ] diff --git a/tests/lang/eval-okay-foldlStrict-lazy-elements.exp b/tests/lang/eval-okay-foldlStrict-lazy-elements.exp new file mode 100644 index 000000000..d81cc0710 --- /dev/null +++ b/tests/lang/eval-okay-foldlStrict-lazy-elements.exp @@ -0,0 +1 @@ +42 diff --git a/tests/lang/eval-okay-foldlStrict-lazy-elements.nix b/tests/lang/eval-okay-foldlStrict-lazy-elements.nix new file mode 100644 index 000000000..c666e07f3 --- /dev/null +++ b/tests/lang/eval-okay-foldlStrict-lazy-elements.nix @@ -0,0 +1,9 @@ +# Tests that the rhs argument of op is not forced unconditionally +let + lst = builtins.foldl' + (acc: x: acc ++ [ x ]) + [ ] + [ 42 (throw "this shouldn't be evaluated") ]; +in + +builtins.head lst diff --git a/tests/lang/eval-okay-foldlStrict-lazy-initial-accumulator.exp b/tests/lang/eval-okay-foldlStrict-lazy-initial-accumulator.exp new file mode 100644 index 000000000..d81cc0710 --- /dev/null +++ b/tests/lang/eval-okay-foldlStrict-lazy-initial-accumulator.exp @@ -0,0 +1 @@ +42 diff --git a/tests/lang/eval-okay-foldlStrict-lazy-initial-accumulator.nix b/tests/lang/eval-okay-foldlStrict-lazy-initial-accumulator.nix new file mode 100644 index 000000000..abcd5366a --- /dev/null +++ b/tests/lang/eval-okay-foldlStrict-lazy-initial-accumulator.nix @@ -0,0 +1,6 @@ +# Checks that the nul value for the accumulator is not forced unconditionally. +# Some languages provide a foldl' that is strict in this argument, but Nix does not. +builtins.foldl' + (_: x: x) + (throw "This is never forced") + [ "but the results of applying op are" 42 ] |