Commit c96e9078 authored by Robert Hensing's avatar Robert Hensing
Browse files

lib/tests/misc: Test lib.drop

parent 6eafbd09

lib/tests/misc.nix

+12 −0
Original line number Diff line number Diff line
@@ -854,6 +854,18 @@ runTests { 
    ([ 1 2 3 ] == (take 4 [  1 2 3 ]))

  ];



  testDrop = let inherit (lib) drop; in testAllTrue [

    # list index -1 is out of bounds

    # ([ 1 2 3 ] == (drop (-1) [  1 2 3 ]))

    (drop 0 [ 1 2 3 ] == [ 1 2 3 ])

    (drop 1 [ 1 2 3 ] == [ 2 3 ])

    (drop 2 [ 1 2 3 ] == [ 3 ])

    (drop 3 [ 1 2 3 ] == [ ])

    (drop 4 [ 1 2 3 ] == [ ])

    (drop 0 [ ] == [ ])

    (drop 1 [ ] == [ ])

  ];



  testListHasPrefixExample1 = {

    expr = lists.hasPrefix [ 1 2 ] [ 1 2 3 4 ];

    expected = true;