Avoid potentially empty struct.

[p5sagit/p5-mst-13.2.git] / t / op / split.t

diff --git a/t/op/split.t b/t/op/split.t
index 9a6586d..db23c90 100755 (executable)
--- a/t/op/split.t
+++ b/t/op/split.t
@@ -1,6 +1,11 @@
 #!./perl
 
-print "1..29\n";
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = '../lib';
+}
+
+print "1..46\n";
 
 $FS = ':';
 
@@ -14,7 +19,7 @@ if (join(';',$a,$b,$c) eq 'a;b;c') {print "ok 1\n";} else {print "not ok 1\n";}
 if (join("$_",@ary) eq 'aa:b:cc') {print "ok 2\n";} else {print "not ok 2\n";}
 
 $_ = "abc\n";
-@xyz = (@ary = split(//));
+my @xyz = (@ary = split(//));
 if (join(".",@ary) eq "a.b.c.\n") {print "ok 3\n";} else {print "not ok 3\n";}
 
 $_ = "a:b:c::::";
@@ -46,7 +51,9 @@ print $_ eq '1:2:3:4:5:6:::' ? "ok 10\n" : "not ok 10 $_\n";
 
 # Does assignment to a list imply split to one more field than that?
 if ($^O eq 'MSWin32') { $foo = `.\\perl -D1024 -e "(\$a,\$b) = split;" 2>&1` }
+elsif ($^O eq 'NetWare') { $foo = `perl -D1024 -e "(\$a,\$b) = split;" 2>&1` }
 elsif ($^O eq 'VMS')  { $foo = `./perl "-D1024" -e "(\$a,\$b) = split;" 2>&1` }
+elsif ($^O eq 'MacOS'){ $foo = `$^X "-D1024" -e "(\$a,\$b) = split;"` }
 else                  { $foo = `./perl -D1024 -e '(\$a,\$b) = split;' 2>&1` }
 print $foo =~ /DEBUGGING/ || $foo =~ /SV = (VOID|IV\(3\))/ ? "ok 11\n" : "not ok 11\n";
 
@@ -127,3 +134,143 @@ print "ok 28\n";
 $_ = join ':', split /(?=\w)/, "rm b";
 print "not" if $_ ne "r:m :b";
 print "ok 29\n";
+
+# unicode splittage
+
+@ary = map {ord} split //, v1.20.300.4000.50000.4000.300.20.1;
+print "not " unless "@ary" eq "1 20 300 4000 50000 4000 300 20 1";
+print "ok 30\n";
+
+@ary = split(/\x{FE}/, "\x{FF}\x{FE}\x{FD}"); # bug id 20010105.016
+print "not " unless @ary == 2 &&
+                    $ary[0] eq "\xFF"   && $ary[1] eq "\xFD" &&
+                    $ary[0] eq "\x{FF}" && $ary[1] eq "\x{FD}";
+print "ok 31\n";
+
+@ary = split(/(\x{FE}\xFE)/, "\xFF\x{FF}\xFE\x{FE}\xFD\x{FD}"); # variant of 31
+print "not " unless @ary == 3 &&
+                    $ary[0] eq "\xFF\xFF"     &&
+                    $ary[0] eq "\x{FF}\xFF"   &&
+                    $ary[0] eq "\x{FF}\x{FF}" &&
+                    $ary[1] eq "\xFE\xFE"     &&
+                    $ary[1] eq "\x{FE}\xFE"   &&
+                    $ary[1] eq "\x{FE}\x{FE}" &&
+                    $ary[2] eq "\xFD\xFD"     &&
+                    $ary[2] eq "\x{FD}\xFD"   &&
+                    $ary[2] eq "\x{FD}\x{FD}";
+print "ok 32\n";
+
+
+{
+    my @a = map ord, split(//, join("", map chr, (1234, 123, 2345)));
+    print "not " unless "@a" eq "1234 123 2345";
+    print "ok 33\n";
+}
+
+{
+    my $x = 'A';
+    my @a = map ord, split(/$x/, join("", map chr, (1234, ord($x), 2345)));
+    print "not " unless "@a" eq "1234 2345";
+    print "ok 34\n";
+}
+
+{
+    # bug id 20000427.003 
+
+    use warnings;
+    use strict;
+
+    my $sushi = "\x{b36c}\x{5a8c}\x{ff5b}\x{5079}\x{505b}";
+
+    my @charlist = split //, $sushi;
+    my $r = '';
+    foreach my $ch (@charlist) {
+       $r = $r . " " . sprintf "U+%04X", ord($ch);
+    }
+
+    print "not " unless $r eq " U+B36C U+5A8C U+FF5B U+5079 U+505B";
+    print "ok 35\n";
+}
+
+{
+    my $s = "\x20\x40\x{80}\x{100}\x{80}\x40\x20";
+
+    if (ord('A') == 193) {
+       print "ok 36 # Skip: EBCDIC\n";
+    } else {
+       # bug id 20000426.003
+
+
+       my ($a, $b, $c) = split(/\x40/, $s);
+       print "not "
+           unless $a eq "\x20" && $b eq "\x{80}\x{100}\x{80}" && $c eq $a;
+       print "ok 36\n";
+    }
+
+    my ($a, $b) = split(/\x{100}/, $s);
+    print "not " unless $a eq "\x20\x40\x{80}" && $b eq "\x{80}\x40\x20";
+    print "ok 37\n";
+
+    my ($a, $b) = split(/\x{80}\x{100}\x{80}/, $s);
+    print "not " unless $a eq "\x20\x40" && $b eq "\x40\x20";
+    print "ok 38\n";
+
+    if (ord('A') == 193) {
+       print "ok 39 # Skip: EBCDIC\n";
+    }  else {
+       my ($a, $b) = split(/\x40\x{80}/, $s);
+       print "not " unless $a eq "\x20" && $b eq "\x{100}\x{80}\x40\x20";
+       print "ok 39\n";
+    }
+
+    my ($a, $b, $c) = split(/[\x40\x{80}]+/, $s);
+    print "not " unless $a eq "\x20" && $b eq "\x{100}" && $c eq "\x20";
+    print "ok 40\n";
+}
+
+{
+    # 20001205.014
+
+    my $a = "ABC\x{263A}";
+
+    my @b = split( //, $a );
+
+    print "not " unless @b == 4;
+    print "ok 41\n";
+
+    print "not " unless length($b[3]) == 1 && $b[3] eq "\x{263A}";
+    print "ok 42\n";
+
+    $a =~ s/^A/Z/;
+    print "not " unless length($a) == 4 && $a eq "ZBC\x{263A}";
+    print "ok 43\n";
+}
+
+{
+    my @a = split(/\xFE/, "\xFF\xFE\xFD");
+
+    print "not " unless @a == 2 && $a[0] eq "\xFF" && $a[1] eq "\xFD";
+    print "ok 44\n";
+}
+
+{
+    # check that PMf_WHITE is cleared after \s+ is used
+    # reported in <20010627113312.RWGY6087.viemta06@localhost>
+    my $r;
+    foreach my $pat ( qr/\s+/, qr/ll/ ) {
+       $r = join ':' => split($pat, "hello cruel world");
+    }
+    print "not " unless $r eq "he:o cruel world";
+    print "ok 45\n";
+}
+
+
+{
+    # split /(A)|B/, "1B2" should return (1, undef, 2)
+    my @x = split /(A)|B/, "1B2";
+    print "not " unless
+      $x[0] eq '1' and
+      (not defined $x[1]) and
+      $x[2] eq '2';
+    print "ok 46\n";
+}