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1 | #!./perl |
2 | |
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3 | # $Header: sort.t,v 4.0 91/03/20 01:54:38 lwall Locked $ |
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4 | |
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5 | print "1..8\n"; |
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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"); |
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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"); |