diff options
author | markm <markm@FreeBSD.org> | 2000-06-25 11:04:01 +0000 |
---|---|---|
committer | markm <markm@FreeBSD.org> | 2000-06-25 11:04:01 +0000 |
commit | 2618fad5bbb2d0182eb31ed805c41b543c513940 (patch) | |
tree | 52ba93338b13aefd02a0055304a9eccfa0e049f5 /contrib/perl5/t/op/lop.t | |
parent | 77644ee620b6a79cf8c538abaf7cd301a875528d (diff) | |
download | FreeBSD-src-2618fad5bbb2d0182eb31ed805c41b543c513940.zip FreeBSD-src-2618fad5bbb2d0182eb31ed805c41b543c513940.tar.gz |
Vendor import of Perl 5.006
Diffstat (limited to 'contrib/perl5/t/op/lop.t')
-rwxr-xr-x | contrib/perl5/t/op/lop.t | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/contrib/perl5/t/op/lop.t b/contrib/perl5/t/op/lop.t new file mode 100755 index 0000000..f15201f --- /dev/null +++ b/contrib/perl5/t/op/lop.t @@ -0,0 +1,44 @@ +#!./perl + +# +# test the logical operators '&&', '||', '!', 'and', 'or', 'not' +# + +BEGIN { + chdir 't' if -d 't'; + unshift @INC, '../lib'; +} + +print "1..7\n"; + +my $test = 0; +for my $i (undef, 0 .. 2, "", "0 but true") { + my $true = 1; + my $false = 0; + for my $j (undef, 0 .. 2, "", "0 but true") { + $true &&= !( + ((!$i || !$j) != !($i && $j)) + or (!($i || $j) != (!$i && !$j)) + or (!!($i || $j) != !(!$i && !$j)) + or (!(!$i || !$j) != !!($i && $j)) + ); + $false ||= ( + ((!$i || !$j) == !!($i && $j)) + and (!!($i || $j) == (!$i && !$j)) + and ((!$i || $j) == ($i && !$j)) + and (($i || !$j) != (!$i && $j)) + ); + } + if (not $true) { + print "not "; + } elsif ($false) { + print "not "; + } + print "ok ", ++$test, "\n"; +} + +# $test == 6 +my $i = 0; +(($i ||= 1) &&= 3) += 4; +print "not " unless $i == 7; +print "ok ", ++$test, "\n"; |