diff options
Diffstat (limited to 'contrib/perl5/t/op/sort.t')
| -rwxr-xr-x | contrib/perl5/t/op/sort.t | 209 |
1 files changed, 161 insertions, 48 deletions
diff --git a/contrib/perl5/t/op/sort.t b/contrib/perl5/t/op/sort.t index fdb4e34..ba0a4c2 100755 --- a/contrib/perl5/t/op/sort.t +++ b/contrib/perl5/t/op/sort.t @@ -1,11 +1,29 @@ #!./perl -print "1..29\n"; +BEGIN { + chdir 't' if -d 't'; + unshift @INC, '../lib'; +} +use warnings; +print "1..49\n"; # XXX known to leak scalars -$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; +{ + no warnings 'uninitialized'; + $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; +} + +# these shouldn't hang +{ + no warnings; + sort { for ($_ = 0;; $_++) {} } @a; + sort { while(1) {} } @a; + sort { while(1) { last; } } @a; + sort { while(0) { last; } } @a; +} -sub backwards { $a lt $b ? 1 : $a gt $b ? -1 : 0 } +sub Backwards { $a lt $b ? 1 : $a gt $b ? -1 : 0 } +sub Backwards_stacked($$) { my($a,$b) = @_; $a lt $b ? 1 : $a gt $b ? -1 : 0 } my $upperfirst = 'A' lt 'a'; @@ -31,129 +49,224 @@ $expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain'; print "# 1: x = '$x', expected = '$expected'\n"; print ($x eq $expected ? "ok 1\n" : "not ok 1\n"); -$x = join('', sort( backwards @harry)); +$x = join('', sort( Backwards @harry)); $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; print "# 2: x = '$x', expected = '$expected'\n"; print ($x eq $expected ? "ok 2\n" : "not ok 2\n"); +$x = join('', sort( Backwards_stacked @harry)); +$expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; +print "# 3: x = '$x', expected = '$expected'\n"; +print ($x eq $expected ? "ok 3\n" : "not ok 3\n"); + $x = join('', sort @george, 'to', @harry); $expected = $upperfirst ? 'AbelAxedCaincatchaseddoggonepunishedtoxyz' : 'catchaseddoggonepunishedtoxyzAbelAxedCain' ; -print "# 3: x = '$x', expected = '$expected'\n"; -print ($x eq $expected ?"ok 3\n":"not ok 3\n"); +print "# 4: x = '$x', expected = '$expected'\n"; +print ($x eq $expected ?"ok 4\n":"not ok 4\n"); @a = (); @b = reverse @a; -print ("@b" eq "" ? "ok 4\n" : "not ok 4 (@b)\n"); +print ("@b" eq "" ? "ok 5\n" : "not ok 5 (@b)\n"); @a = (1); @b = reverse @a; -print ("@b" eq "1" ? "ok 5\n" : "not ok 5 (@b)\n"); +print ("@b" eq "1" ? "ok 6\n" : "not ok 6 (@b)\n"); @a = (1,2); @b = reverse @a; -print ("@b" eq "2 1" ? "ok 6\n" : "not ok 6 (@b)\n"); +print ("@b" eq "2 1" ? "ok 7\n" : "not ok 7 (@b)\n"); @a = (1,2,3); @b = reverse @a; -print ("@b" eq "3 2 1" ? "ok 7\n" : "not ok 7 (@b)\n"); +print ("@b" eq "3 2 1" ? "ok 8\n" : "not ok 8 (@b)\n"); @a = (1,2,3,4); @b = reverse @a; -print ("@b" eq "4 3 2 1" ? "ok 8\n" : "not ok 8 (@b)\n"); +print ("@b" eq "4 3 2 1" ? "ok 9\n" : "not ok 9 (@b)\n"); @a = (10,2,3,4); @b = sort {$a <=> $b;} @a; -print ("@b" eq "2 3 4 10" ? "ok 9\n" : "not ok 9 (@b)\n"); +print ("@b" eq "2 3 4 10" ? "ok 10\n" : "not ok 10 (@b)\n"); -$sub = 'backwards'; +$sub = 'Backwards'; $x = join('', sort $sub @harry); $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; -print "# 10: x = $x, expected = '$expected'\n"; -print ($x eq $expected ? "ok 10\n" : "not ok 10\n"); +print "# 11: x = $x, expected = '$expected'\n"; +print ($x eq $expected ? "ok 11\n" : "not ok 11\n"); + +$sub = 'Backwards_stacked'; +$x = join('', sort $sub @harry); +$expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; +print "# 12: x = $x, expected = '$expected'\n"; +print ($x eq $expected ? "ok 12\n" : "not ok 12\n"); # literals, combinations @b = sort (4,1,3,2); -print ("@b" eq '1 2 3 4' ? "ok 11\n" : "not ok 11\n"); +print ("@b" eq '1 2 3 4' ? "ok 13\n" : "not ok 13\n"); print "# x = '@b'\n"; @b = sort grep { $_ } (4,1,3,2); -print ("@b" eq '1 2 3 4' ? "ok 12\n" : "not ok 12\n"); +print ("@b" eq '1 2 3 4' ? "ok 14\n" : "not ok 14\n"); print "# x = '@b'\n"; @b = sort map { $_ } (4,1,3,2); -print ("@b" eq '1 2 3 4' ? "ok 13\n" : "not ok 13\n"); +print ("@b" eq '1 2 3 4' ? "ok 15\n" : "not ok 15\n"); print "# x = '@b'\n"; @b = sort reverse (4,1,3,2); -print ("@b" eq '1 2 3 4' ? "ok 14\n" : "not ok 14\n"); +print ("@b" eq '1 2 3 4' ? "ok 16\n" : "not ok 16\n"); print "# x = '@b'\n"; -$^W = 0; # redefining sort sub inside the sort sub should fail sub twoface { *twoface = sub { $a <=> $b }; &twoface } eval { @b = sort twoface 4,1,3,2 }; -print ($@ =~ /redefine active sort/ ? "ok 15\n" : "not ok 15\n"); +print ($@ =~ /redefine active sort/ ? "ok 17\n" : "not ok 17\n"); # redefining sort subs outside the sort should not fail -eval { *twoface = sub { &backwards } }; -print $@ ? "not ok 16\n" : "ok 16\n"; +eval { no warnings 'redefine'; *twoface = sub { &Backwards } }; +print $@ ? "not ok 18\n" : "ok 18\n"; eval { @b = sort twoface 4,1,3,2 }; -print ("@b" eq '4 3 2 1' ? "ok 17\n" : "not ok 17 |@b|\n"); +print ("@b" eq '4 3 2 1' ? "ok 19\n" : "not ok 19 |@b|\n"); -*twoface = sub { *twoface = *backwards; $a <=> $b }; +{ + no warnings 'redefine'; + *twoface = sub { *twoface = *Backwards; $a <=> $b }; +} eval { @b = sort twoface 4,1 }; -print ($@ =~ /redefine active sort/ ? "ok 18\n" : "not ok 18\n"); +print ($@ =~ /redefine active sort/ ? "ok 20\n" : "not ok 20\n"); -*twoface = sub { +{ + no warnings 'redefine'; + *twoface = sub { eval 'sub twoface { $a <=> $b }'; - die($@ =~ /redefine active sort/ ? "ok 19\n" : "not ok 19\n"); + die($@ =~ /redefine active sort/ ? "ok 21\n" : "not ok 21\n"); $a <=> $b; }; +} eval { @b = sort twoface 4,1 }; -print $@ ? "$@" : "not ok 19\n"; +print $@ ? "$@" : "not ok 21\n"; eval <<'CODE'; - my @result = sort main'backwards 'one', 'two'; + my @result = sort main'Backwards 'one', 'two'; CODE -print $@ ? "not ok 20\n# $@" : "ok 20\n"; +print $@ ? "not ok 22\n# $@" : "ok 22\n"; eval <<'CODE'; # "sort 'one', 'two'" should not try to parse "'one" as a sort sub my @result = sort 'one', 'two'; CODE -print $@ ? "not ok 21\n# $@" : "ok 21\n"; +print $@ ? "not ok 23\n# $@" : "ok 23\n"; { - my $sortsub = \&backwards; - my $sortglob = *backwards; - my $sortglobr = \*backwards; - my $sortname = 'backwards'; + my $sortsub = \&Backwards; + my $sortglob = *Backwards; + my $sortglobr = \*Backwards; + my $sortname = 'Backwards'; @b = sort $sortsub 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 22\n" : "not ok 22 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 24\n" : "not ok 24 |@b|\n"); @b = sort $sortglob 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 23\n" : "not ok 23 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 25\n" : "not ok 25 |@b|\n"); @b = sort $sortname 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 24\n" : "not ok 24 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 26\n" : "not ok 26 |@b|\n"); @b = sort $sortglobr 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 25\n" : "not ok 25 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 27\n" : "not ok 27 |@b|\n"); } { - local $sortsub = \&backwards; - local $sortglob = *backwards; - local $sortglobr = \*backwards; - local $sortname = 'backwards'; + my $sortsub = \&Backwards_stacked; + my $sortglob = *Backwards_stacked; + my $sortglobr = \*Backwards_stacked; + my $sortname = 'Backwards_stacked'; @b = sort $sortsub 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 26\n" : "not ok 26 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 28\n" : "not ok 28 |@b|\n"); @b = sort $sortglob 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 27\n" : "not ok 27 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 29\n" : "not ok 29 |@b|\n"); @b = sort $sortname 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 28\n" : "not ok 28 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 30\n" : "not ok 30 |@b|\n"); @b = sort $sortglobr 4,1,3,2; - print ("@b" eq '4 3 2 1' ? "ok 29\n" : "not ok 29 |@b|\n"); + print ("@b" eq '4 3 2 1' ? "ok 31\n" : "not ok 31 |@b|\n"); +} + +{ + local $sortsub = \&Backwards; + local $sortglob = *Backwards; + local $sortglobr = \*Backwards; + local $sortname = 'Backwards'; + @b = sort $sortsub 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 32\n" : "not ok 32 |@b|\n"); + @b = sort $sortglob 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 33\n" : "not ok 33 |@b|\n"); + @b = sort $sortname 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 34\n" : "not ok 34 |@b|\n"); + @b = sort $sortglobr 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 35\n" : "not ok 35 |@b|\n"); +} + +{ + local $sortsub = \&Backwards_stacked; + local $sortglob = *Backwards_stacked; + local $sortglobr = \*Backwards_stacked; + local $sortname = 'Backwards_stacked'; + @b = sort $sortsub 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 36\n" : "not ok 36 |@b|\n"); + @b = sort $sortglob 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 37\n" : "not ok 37 |@b|\n"); + @b = sort $sortname 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 38\n" : "not ok 38 |@b|\n"); + @b = sort $sortglobr 4,1,3,2; + print ("@b" eq '4 3 2 1' ? "ok 39\n" : "not ok 39 |@b|\n"); +} + +## exercise sort builtins... ($a <=> $b already tested) +@a = ( 5, 19, 1996, 255, 90 ); +@b = sort { + my $dummy; # force blockness + return $b <=> $a +} @a; +print ("@b" eq '1996 255 90 19 5' ? "ok 40\n" : "not ok 40\n"); +print "# x = '@b'\n"; +$x = join('', sort { $a cmp $b } @harry); +$expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain'; +print ($x eq $expected ? "ok 41\n" : "not ok 41\n"); +print "# x = '$x'; expected = '$expected'\n"; +$x = join('', sort { $b cmp $a } @harry); +$expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; +print ($x eq $expected ? "ok 42\n" : "not ok 42\n"); +print "# x = '$x'; expected = '$expected'\n"; +{ + use integer; + @b = sort { $a <=> $b } @a; + print ("@b" eq '5 19 90 255 1996' ? "ok 43\n" : "not ok 43\n"); + print "# x = '@b'\n"; + @b = sort { $b <=> $a } @a; + print ("@b" eq '1996 255 90 19 5' ? "ok 44\n" : "not ok 44\n"); + print "# x = '@b'\n"; + $x = join('', sort { $a cmp $b } @harry); + $expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain'; + print ($x eq $expected ? "ok 45\n" : "not ok 45\n"); + print "# x = '$x'; expected = '$expected'\n"; + $x = join('', sort { $b cmp $a } @harry); + $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat'; + print ($x eq $expected ? "ok 46\n" : "not ok 46\n"); + print "# x = '$x'; expected = '$expected'\n"; } +# test that an optimized-away comparison block doesn't take any other +# arguments away with it +$x = join('', sort { $a <=> $b } 3, 1, 2); +print $x eq "123" ? "ok 47\n" : "not ok 47\n"; + +# test sorting in non-main package +package Foo; +@a = ( 5, 19, 1996, 255, 90 ); +@b = sort { $b <=> $a } @a; +print ("@b" eq '1996 255 90 19 5' ? "ok 48\n" : "not ok 48\n"); +print "# x = '@b'\n"; + +@b = sort main::Backwards_stacked @a; +print ("@b" eq '90 5 255 1996 19' ? "ok 49\n" : "not ok 49\n"); +print "# x = '@b'\n"; |
