3 # $RCSfile: lex.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:04 $
9 print "#1 :$x: eq :x:\n";
10 if ($x eq 'x') {print "ok 1\n";} else {print "not ok 1\n";}
12 $x = $#; # this is the register $#
14 if ($x eq '') {print "ok 2\n";} else {print "not ok 2\n";}
18 if ($x eq '-1') {print "ok 3\n";} else {print "not ok 3\n";}
22 if (length($x) == 1) {print "ok 4\n";} else {print "not ok 4\n";}
27 /^/ && (print "ok 5\n");
31 if (!$@) {print "ok 6\n";} else {print "not ok 6 $@\n";}
33 eval '$foo = 123+123.4+123e4+123.4E5+123.4e+5+.12;';
35 $foo = int($foo * 100 + .5);
36 if ($foo eq 2591024652) {print "ok 7\n";} else {print "not ok 7 :$foo:\n";}
47 eval <<\EOE, print $@;
58 print <<`EOS` . <<\EOF;
77 # previous line intentionally left blank.
79 print <<E1 eq "foo\n\n" ? "ok 19\n" : "not ok 19\n";
85 print <<E1 eq "foo\n\n" ? "ok 20\n" : "not ok 20\n";
98 print "$foo{$bar}" eq "BAZ" ? "ok 21\n" : "not ok 21\n";
100 print "${foo}{$bar}" eq "FOO{BAR}" ? "ok 22\n" : "not ok 22\n";
101 print "${foo{$bar}}" eq "BAZ" ? "ok 23\n" : "not ok 23\n";
103 print "FOO:" =~ /$foo[:]/ ? "ok 24\n" : "not ok 24\n";
104 print "ABC" =~ /^$ary[$A]$/ ? "ok 25\n" : "not ok 25\n";
105 print "FOOZ" =~ /^$foo[$A-Z]$/ ? "ok 26\n" : "not ok 26\n";
108 ($X, @X) = qw(a b c d);
109 print "d" =~ /^$X[-1]$/ ? "ok 27\n" : "not ok 27\n";
110 print "a1" !~ /^$X[-1]$/ ? "ok 28\n" : "not ok 28\n";
112 print (((q{{\{\(}} . q{{\)\}}}) eq '{{\(}{\)}}') ? "ok 29\n" : "not ok 29\n");
115 $foo = "not ok 30\n";
116 $foo =~ s/^not /substr(<<EOF, 0, 0)/e;
121 # Tests for new extended control-character variables
128 if ($ {^XY} != 23) { print "not " }
131 # Does the syntax where we use the literal control character still work?
132 if ($ {
\18} != 17) { print "not " }
135 $
\ e = 24; # Literal control character
136 if ($
\ e != 24) { print "not " } # Literal control character
138 if ($^N != 24) { print "not " } # Control character escape sequence
141 # Does the old UNBRACED syntax still do what it used to?
142 if ("$^XY" ne "17Y") { print "not " }
147 $^N = 5; # This should be an unused ^Var.
149 # The second caret here should be interpreted as an xor
150 if (($^N^XX) != 3) { print "not " }
152 # if (($N ^ XX()) != 3) { print "not " }
155 # These next two tests are trying to make sure that
156 # $^FOO is always global; it doesn't make sense to `my' it.
159 print "not " unless index ($@, 'Can\'t use global $^X in "my"') > -1;
161 # print "($@)\n" if $@;
164 print "not " unless index ($@, 'Can\'t use global $^XYZ in "my"') > -1;
166 # print "($@)\n" if $@;
168 # Now let's make sure that caret variables are all forced into the main package.
171 $ {^Nostril} = 'Someother 2';
172 $ {^M} = 'Someother 3';
174 print "not " unless $^N eq 'Someother';
176 print "not " unless $ {^Nostril} eq 'Someother 2';
178 print "not " unless $ {^M} eq 'Someother 3';