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-rwxr-xr-xcontrib/perl5/t/op/subst.t310
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diff --git a/contrib/perl5/t/op/subst.t b/contrib/perl5/t/op/subst.t
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+++ b/contrib/perl5/t/op/subst.t
@@ -0,0 +1,310 @@
+#!./perl
+
+print "1..71\n";
+
+$x = 'foo';
+$_ = "x";
+s/x/\$x/;
+print "#1\t:$_: eq :\$x:\n";
+if ($_ eq '$x') {print "ok 1\n";} else {print "not ok 1\n";}
+
+$_ = "x";
+s/x/$x/;
+print "#2\t:$_: eq :foo:\n";
+if ($_ eq 'foo') {print "ok 2\n";} else {print "not ok 2\n";}
+
+$_ = "x";
+s/x/\$x $x/;
+print "#3\t:$_: eq :\$x foo:\n";
+if ($_ eq '$x foo') {print "ok 3\n";} else {print "not ok 3\n";}
+
+$b = 'cd';
+($a = 'abcdef') =~ s<(b${b}e)>'\n$1';
+print "#4\t:$1: eq :bcde:\n";
+print "#4\t:$a: eq :a\\n\$1f:\n";
+if ($1 eq 'bcde' && $a eq 'a\n$1f') {print "ok 4\n";} else {print "not ok 4\n";}
+
+$a = 'abacada';
+if (($a =~ s/a/x/g) == 4 && $a eq 'xbxcxdx')
+ {print "ok 5\n";} else {print "not ok 5\n";}
+
+if (($a =~ s/a/y/g) == 0 && $a eq 'xbxcxdx')
+ {print "ok 6\n";} else {print "not ok 6 $a\n";}
+
+if (($a =~ s/b/y/g) == 1 && $a eq 'xyxcxdx')
+ {print "ok 7\n";} else {print "not ok 7 $a\n";}
+
+$_ = 'ABACADA';
+if (/a/i && s///gi && $_ eq 'BCD') {print "ok 8\n";} else {print "not ok 8 $_\n";}
+
+$_ = '\\' x 4;
+if (length($_) == 4) {print "ok 9\n";} else {print "not ok 9\n";}
+s/\\/\\\\/g;
+if ($_ eq '\\' x 8) {print "ok 10\n";} else {print "not ok 10 $_\n";}
+
+$_ = '\/' x 4;
+if (length($_) == 8) {print "ok 11\n";} else {print "not ok 11\n";}
+s/\//\/\//g;
+if ($_ eq '\\//' x 4) {print "ok 12\n";} else {print "not ok 12\n";}
+if (length($_) == 12) {print "ok 13\n";} else {print "not ok 13\n";}
+
+$_ = 'aaaXXXXbbb';
+s/^a//;
+print $_ eq 'aaXXXXbbb' ? "ok 14\n" : "not ok 14\n";
+
+$_ = 'aaaXXXXbbb';
+s/a//;
+print $_ eq 'aaXXXXbbb' ? "ok 15\n" : "not ok 15\n";
+
+$_ = 'aaaXXXXbbb';
+s/^a/b/;
+print $_ eq 'baaXXXXbbb' ? "ok 16\n" : "not ok 16\n";
+
+$_ = 'aaaXXXXbbb';
+s/a/b/;
+print $_ eq 'baaXXXXbbb' ? "ok 17\n" : "not ok 17\n";
+
+$_ = 'aaaXXXXbbb';
+s/aa//;
+print $_ eq 'aXXXXbbb' ? "ok 18\n" : "not ok 18\n";
+
+$_ = 'aaaXXXXbbb';
+s/aa/b/;
+print $_ eq 'baXXXXbbb' ? "ok 19\n" : "not ok 19\n";
+
+$_ = 'aaaXXXXbbb';
+s/b$//;
+print $_ eq 'aaaXXXXbb' ? "ok 20\n" : "not ok 20\n";
+
+$_ = 'aaaXXXXbbb';
+s/b//;
+print $_ eq 'aaaXXXXbb' ? "ok 21\n" : "not ok 21\n";
+
+$_ = 'aaaXXXXbbb';
+s/bb//;
+print $_ eq 'aaaXXXXb' ? "ok 22\n" : "not ok 22\n";
+
+$_ = 'aaaXXXXbbb';
+s/aX/y/;
+print $_ eq 'aayXXXbbb' ? "ok 23\n" : "not ok 23\n";
+
+$_ = 'aaaXXXXbbb';
+s/Xb/z/;
+print $_ eq 'aaaXXXzbb' ? "ok 24\n" : "not ok 24\n";
+
+$_ = 'aaaXXXXbbb';
+s/aaX.*Xbb//;
+print $_ eq 'ab' ? "ok 25\n" : "not ok 25\n";
+
+$_ = 'aaaXXXXbbb';
+s/bb/x/;
+print $_ eq 'aaaXXXXxb' ? "ok 26\n" : "not ok 26\n";
+
+# now for some unoptimized versions of the same.
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/^a//;
+print $_ eq 'aaXXXXbbb' ? "ok 27\n" : "not ok 27\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/a//;
+print $_ eq 'aaXXXXbbb' ? "ok 28\n" : "not ok 28\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/^a/b/;
+print $_ eq 'baaXXXXbbb' ? "ok 29\n" : "not ok 29\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/a/b/;
+print $_ eq 'baaXXXXbbb' ? "ok 30\n" : "not ok 30\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/aa//;
+print $_ eq 'aXXXXbbb' ? "ok 31\n" : "not ok 31\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/aa/b/;
+print $_ eq 'baXXXXbbb' ? "ok 32\n" : "not ok 32\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/b$//;
+print $_ eq 'aaaXXXXbb' ? "ok 33\n" : "not ok 33\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/b//;
+print $_ eq 'aaaXXXXbb' ? "ok 34\n" : "not ok 34\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/bb//;
+print $_ eq 'aaaXXXXb' ? "ok 35\n" : "not ok 35\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/aX/y/;
+print $_ eq 'aayXXXbbb' ? "ok 36\n" : "not ok 36\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/Xb/z/;
+print $_ eq 'aaaXXXzbb' ? "ok 37\n" : "not ok 37\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/aaX.*Xbb//;
+print $_ eq 'ab' ? "ok 38\n" : "not ok 38\n";
+
+$_ = 'aaaXXXXbbb';
+$x ne $x || s/bb/x/;
+print $_ eq 'aaaXXXXxb' ? "ok 39\n" : "not ok 39\n";
+
+$_ = 'abc123xyz';
+s/(\d+)/$1*2/e; # yields 'abc246xyz'
+print $_ eq 'abc246xyz' ? "ok 40\n" : "not ok 40\n";
+s/(\d+)/sprintf("%5d",$1)/e; # yields 'abc 246xyz'
+print $_ eq 'abc 246xyz' ? "ok 41\n" : "not ok 41\n";
+s/(\w)/$1 x 2/eg; # yields 'aabbcc 224466xxyyzz'
+print $_ eq 'aabbcc 224466xxyyzz' ? "ok 42\n" : "not ok 42\n";
+
+$_ = "aaaaa";
+print y/a/b/ == 5 ? "ok 43\n" : "not ok 43\n";
+print y/a/b/ == 0 ? "ok 44\n" : "not ok 44\n";
+print y/b// == 5 ? "ok 45\n" : "not ok 45\n";
+print y/b/c/s == 5 ? "ok 46\n" : "not ok 46\n";
+print y/c// == 1 ? "ok 47\n" : "not ok 47\n";
+print y/c//d == 1 ? "ok 48\n" : "not ok 48\n";
+print $_ eq "" ? "ok 49\n" : "not ok 49\n";
+
+$_ = "Now is the %#*! time for all good men...";
+print (($x=(y/a-zA-Z //cd)) == 7 ? "ok 50\n" : "not ok 50\n");
+print y/ / /s == 8 ? "ok 51\n" : "not ok 51\n";
+
+$_ = 'abcdefghijklmnopqrstuvwxyz0123456789';
+tr/a-z/A-Z/;
+
+print $_ eq 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' ? "ok 52\n" : "not ok 52\n";
+
+# same as tr/A-Z/a-z/;
+if ($^O eq 'os390') { # An EBCDIC variant.
+ y[\301-\351][\201-\251];
+} else { # Ye Olde ASCII. Or something like it.
+ y[\101-\132][\141-\172];
+}
+
+print $_ eq 'abcdefghijklmnopqrstuvwxyz0123456789' ? "ok 53\n" : "not ok 53\n";
+
+if (ord("+") == ord(",") - 1 && ord(",") == ord("-") - 1 &&
+ ord("a") == ord("b") - 1 && ord("b") == ord("c") - 1) {
+ $_ = '+,-';
+ tr/+--/a-c/;
+ print "not " unless $_ eq 'abc';
+}
+print "ok 54\n";
+
+$_ = '+,-';
+tr/+\--/a\/c/;
+print $_ eq 'a,/' ? "ok 55\n" : "not ok 55\n";
+
+$_ = '+,-';
+tr/-+,/ab\-/;
+print $_ eq 'b-a' ? "ok 56\n" : "not ok 56\n";
+
+
+# test recursive substitutions
+# code based on the recursive expansion of makefile variables
+
+my %MK = (
+ AAAAA => '$(B)', B=>'$(C)', C => 'D', # long->short
+ E => '$(F)', F=>'p $(G) q', G => 'HHHHH', # short->long
+ DIR => '$(UNDEFINEDNAME)/xxx',
+);
+sub var {
+ my($var,$level) = @_;
+ return "\$($var)" unless exists $MK{$var};
+ return exp_vars($MK{$var}, $level+1); # can recurse
+}
+sub exp_vars {
+ my($str,$level) = @_;
+ $str =~ s/\$\((\w+)\)/var($1, $level+1)/ge; # can recurse
+ #warn "exp_vars $level = '$str'\n";
+ $str;
+}
+
+print exp_vars('$(AAAAA)',0) eq 'D'
+ ? "ok 57\n" : "not ok 57\n";
+print exp_vars('$(E)',0) eq 'p HHHHH q'
+ ? "ok 58\n" : "not ok 58\n";
+print exp_vars('$(DIR)',0) eq '$(UNDEFINEDNAME)/xxx'
+ ? "ok 59\n" : "not ok 59\n";
+print exp_vars('foo $(DIR)/yyy bar',0) eq 'foo $(UNDEFINEDNAME)/xxx/yyy bar'
+ ? "ok 60\n" : "not ok 60\n";
+
+# a match nested in the RHS of a substitution:
+
+$_ = "abcd";
+s/(..)/$x = $1, m#.#/eg;
+print $x eq "cd" ? "ok 61\n" : "not ok 61\n";
+
+# Subst and lookbehind
+
+$_="ccccc";
+s/(?<!x)c/x/g;
+print $_ eq "xxxxx" ? "ok 62\n" : "not ok 62 # `$_' ne `xxxxx'\n";
+
+$_="ccccc";
+s/(?<!x)(c)/x/g;
+print $_ eq "xxxxx" ? "ok 63\n" : "not ok 63 # `$_' ne `xxxxx'\n";
+
+$_="foobbarfoobbar";
+s/(?<!r)foobbar/foobar/g;
+print $_ eq "foobarfoobbar" ? "ok 64\n" : "not ok 64 # `$_' ne `foobarfoobbar'\n";
+
+$_="foobbarfoobbar";
+s/(?<!ar)(foobbar)/foobar/g;
+print $_ eq "foobarfoobbar" ? "ok 65\n" : "not ok 65 # `$_' ne `foobarfoobbar'\n";
+
+$_="foobbarfoobbar";
+s/(?<!ar)foobbar/foobar/g;
+print $_ eq "foobarfoobbar" ? "ok 66\n" : "not ok 66 # `$_' ne `foobarfoobbar'\n";
+
+# check parsing of split subst with comment
+eval 's{foo} # this is a comment, not a delimiter
+ {bar};';
+print @? ? "not ok 67\n" : "ok 67\n";
+
+# check if squashing works at the end of string
+$_="baacbaa";
+tr/a/b/s;
+print $_ eq "bbcbb" ? "ok 68\n" : "not ok 68 # `$_' ne `bbcbb'\n";
+
+# XXX TODO: Most tests above don't test return values of the ops. They should.
+$_ = "ab";
+print (s/a/b/ == 1 ? "ok 69\n" : "not ok 69\n");
+
+$_ = <<'EOL';
+ $url = new URI::URL "http://www/"; die if $url eq "xXx";
+EOL
+$^R = 'junk';
+
+$foo = ' $@%#lowercase $@%# lowercase UPPERCASE$@%#UPPERCASE' .
+ ' $@%#lowercase$@%#lowercase$@%# lowercase lowercase $@%#lowercase' .
+ ' lowercase $@%#MiXeD$@%# ';
+
+s{ \d+ \b [,.;]? (?{ 'digits' })
+ |
+ [a-z]+ \b [,.;]? (?{ 'lowercase' })
+ |
+ [A-Z]+ \b [,.;]? (?{ 'UPPERCASE' })
+ |
+ [A-Z] [a-z]+ \b [,.;]? (?{ 'Capitalized' })
+ |
+ [A-Za-z]+ \b [,.;]? (?{ 'MiXeD' })
+ |
+ [A-Za-z0-9]+ \b [,.;]? (?{ 'alphanumeric' })
+ |
+ \s+ (?{ ' ' })
+ |
+ [^A-Za-z0-9\s]+ (?{ '$@%#' })
+}{$^R}xg;
+print ($_ eq $foo ? "ok 70\n" : "not ok 70\n#'$_'\n#'$foo'\n");
+
+$_ = 'x' x 20;
+s/\d*|x/<$&>/g;
+$foo = '<>' . ('<x><>' x 20) ;
+print ($_ eq $foo ? "ok 71\n" : "not ok 71\n#'$_'\n#'$foo'\n");
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 23:42:37 +0000