#!./perl
-print "1..29\n";
+BEGIN {
+ chdir 't' if -d 't';
+ unshift @INC, '../lib';
+}
+print "1..38\n";
+
+# XXX known to leak scalars
+$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
sub backwards { $a lt $b ? 1 : $a gt $b ? -1 : 0 }
print ("@b" eq '4 3 2 1' ? "ok 29\n" : "not ok 29 |@b|\n");
}
+## exercise sort builtins... ($a <=> $b already tested)
+@a = ( 5, 19, 1996, 255, 90 );
+@b = sort {
+ my $dummy; # force blockness
+ return $b <=> $a
+} @a;
+print ("@b" eq '1996 255 90 19 5' ? "ok 30\n" : "not ok 30\n");
+print "# x = '@b'\n";
+$x = join('', sort { $a cmp $b } @harry);
+$expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain';
+print ($x eq $expected ? "ok 31\n" : "not ok 31\n");
+print "# x = '$x'; expected = '$expected'\n";
+$x = join('', sort { $b cmp $a } @harry);
+$expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat';
+print ($x eq $expected ? "ok 32\n" : "not ok 32\n");
+print "# x = '$x'; expected = '$expected'\n";
+{
+ use integer;
+ @b = sort { $a <=> $b } @a;
+ print ("@b" eq '5 19 90 255 1996' ? "ok 33\n" : "not ok 33\n");
+ print "# x = '@b'\n";
+ @b = sort { $b <=> $a } @a;
+ print ("@b" eq '1996 255 90 19 5' ? "ok 34\n" : "not ok 34\n");
+ print "# x = '@b'\n";
+ $x = join('', sort { $a cmp $b } @harry);
+ $expected = $upperfirst ? 'AbelCaincatdogx' : 'catdogxAbelCain';
+ print ($x eq $expected ? "ok 35\n" : "not ok 35\n");
+ print "# x = '$x'; expected = '$expected'\n";
+ $x = join('', sort { $b cmp $a } @harry);
+ $expected = $upperfirst ? 'xdogcatCainAbel' : 'CainAbelxdogcat';
+ print ($x eq $expected ? "ok 36\n" : "not ok 36\n");
+ print "# x = '$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 37\n" : "not ok 37\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 38\n" : "not ok 38\n");
+print "# x = '@b'\n";