1*256a93a4Safresh1#!./perl 2*256a93a4Safresh1 3*256a93a4Safresh1use strict; 4*256a93a4Safresh1use warnings; 5*256a93a4Safresh1 6*256a93a4Safresh1use Test::More tests => 7; 7*256a93a4Safresh1use List::Util qw(zip zip_longest zip_shortest); 8*256a93a4Safresh1 9*256a93a4Safresh1is_deeply( [zip ()], [], 10*256a93a4Safresh1 'zip empty returns empty'); 11*256a93a4Safresh1 12*256a93a4Safresh1is_deeply( [zip ['a'..'c']], [ ['a'], ['b'], ['c'] ], 13*256a93a4Safresh1 'zip of one list returns a list of singleton lists' ); 14*256a93a4Safresh1 15*256a93a4Safresh1is_deeply( [zip ['one', 'two'], [1, 2]], [ [one => 1], [two => 2] ], 16*256a93a4Safresh1 'zip of two lists returns a list of pair lists' ); 17*256a93a4Safresh1 18*256a93a4Safresh1# Unequal length arrays 19*256a93a4Safresh1 20*256a93a4Safresh1is_deeply( [zip_longest ['x', 'y', 'z'], ['X', 'Y']], [ ['x', 'X'], ['y', 'Y'], ['z', undef] ], 21*256a93a4Safresh1 'zip_longest extends short lists with undef' ); 22*256a93a4Safresh1 23*256a93a4Safresh1is_deeply( [zip_shortest ['x', 'y', 'z'], ['X', 'Y']], [ ['x', 'X'], ['y', 'Y'] ], 24*256a93a4Safresh1 'zip_shortest stops after shortest list' ); 25*256a93a4Safresh1 26*256a93a4Safresh1# Non arrayref arguments throw exception 27*256a93a4Safresh1ok( !defined eval { zip 1, 2, 3 }, 28*256a93a4Safresh1 'non-reference argument throws exception' ); 29*256a93a4Safresh1 30*256a93a4Safresh1ok( !defined eval { zip +{ one => 1 } }, 31*256a93a4Safresh1 'reference to non array throws exception' ); 32