Move the require './test.pl' to the end of t/comp/hints.t
[p5sagit/p5-mst-13.2.git] / t / op / lop.t
CommitLineData
bf4b1e52 1#!./perl
2
3#
4# test the logical operators '&&', '||', '!', 'and', 'or', 'not'
5#
6
7BEGIN {
8 chdir 't' if -d 't';
20822f61 9 @INC = '../lib';
bf4b1e52 10}
11
07f3cdf5 12print "1..11\n";
bf4b1e52 13
14my $test = 0;
15for my $i (undef, 0 .. 2, "", "0 but true") {
16 my $true = 1;
17 my $false = 0;
18 for my $j (undef, 0 .. 2, "", "0 but true") {
19 $true &&= !(
20 ((!$i || !$j) != !($i && $j))
21 or (!($i || $j) != (!$i && !$j))
22 or (!!($i || $j) != !(!$i && !$j))
23 or (!(!$i || !$j) != !!($i && $j))
24 );
25 $false ||= (
26 ((!$i || !$j) == !!($i && $j))
27 and (!!($i || $j) == (!$i && !$j))
28 and ((!$i || $j) == ($i && !$j))
29 and (($i || !$j) != (!$i && $j))
30 );
31 }
32 if (not $true) {
33 print "not ";
34 } elsif ($false) {
35 print "not ";
36 }
37 print "ok ", ++$test, "\n";
38}
39
40# $test == 6
41my $i = 0;
42(($i ||= 1) &&= 3) += 4;
43print "not " unless $i == 7;
44print "ok ", ++$test, "\n";
edbe35ea 45
46my ($x, $y) = (1, 8);
47$i = !$x || $y;
48print "not " unless $i == 8;
49print "ok ", ++$test, "\n";
50
07f3cdf5 51++$y;
52$i = !$x || !$x || !$x || $y;
edbe35ea 53print "not " unless $i == 9;
54print "ok ", ++$test, "\n";
07f3cdf5 55
56$x = 0;
57++$y;
58$i = !$x && $y;
59print "not " unless $i == 10;
60print "ok ", ++$test, "\n";
61
62++$y;
63$i = !$x && !$x && !$x && $y;
64print "not " unless $i == 11;
65print "ok ", ++$test, "\n";