| 1 | #!./perl |
| 2 | |
| 3 | # $RCSfile: sort.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:24 $ |
| 4 | |
| 5 | print "1..10\n"; |
| 6 | |
| 7 | sub reverse { $a lt $b ? 1 : $a gt $b ? -1 : 0; } |
| 8 | |
| 9 | @harry = ('dog','cat','x','Cain','Abel'); |
| 10 | @george = ('gone','chased','yz','Punished','Axed'); |
| 11 | |
| 12 | $x = join('', sort @harry); |
| 13 | print ($x eq 'AbelCaincatdogx' ? "ok 1\n" : "not ok 1\n"); |
| 14 | |
| 15 | $x = join('', sort reverse @harry); |
| 16 | print ($x eq 'xdogcatCainAbel' ? "ok 2\n" : "not ok 2\n"); |
| 17 | |
| 18 | $x = join('', sort @george, 'to', @harry); |
| 19 | print ($x eq 'AbelAxedCainPunishedcatchaseddoggonetoxyz'?"ok 3\n":"not ok 3\n"); |
| 20 | |
| 21 | @a = (); |
| 22 | @b = reverse @a; |
| 23 | print ("@b" eq "" ? "ok 4\n" : "not ok 4 (@b)\n"); |
| 24 | |
| 25 | @a = (1); |
| 26 | @b = reverse @a; |
| 27 | print ("@b" eq "1" ? "ok 5\n" : "not ok 5 (@b)\n"); |
| 28 | |
| 29 | @a = (1,2); |
| 30 | @b = reverse @a; |
| 31 | print ("@b" eq "2 1" ? "ok 6\n" : "not ok 6 (@b)\n"); |
| 32 | |
| 33 | @a = (1,2,3); |
| 34 | @b = reverse @a; |
| 35 | print ("@b" eq "3 2 1" ? "ok 7\n" : "not ok 7 (@b)\n"); |
| 36 | |
| 37 | @a = (1,2,3,4); |
| 38 | @b = reverse @a; |
| 39 | print ("@b" eq "4 3 2 1" ? "ok 8\n" : "not ok 8 (@b)\n"); |
| 40 | |
| 41 | @a = (10,2,3,4); |
| 42 | @b = sort {$a <=> $b;} @a; |
| 43 | print ("@b" eq "2 3 4 10" ? "ok 9\n" : "not ok 9 (@b)\n"); |
| 44 | |
| 45 | $sub = 'reverse'; |
| 46 | $x = join('', sort $sub @harry); |
| 47 | print ($x eq 'xdogcatCainAbel' ? "ok 10\n" : "not ok 10\n"); |
| 48 | |