#!./perl
+#
+# This is a home for regular expression tests that don't fit into
+# the format supported by op/regexp.t. If you want to add a test
+# that does fit that format, add it to op/re_tests, not here.
# $RCSfile: pat.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:12 $
-print "1..113\n";
+print "1..120\n";
+
+chdir 't' if -d 't';
+@INC = "../lib";
+eval 'use Config'; # Defaults assumed if this fails
$x = "abc\ndef\n";
print "not " if "@out" ne 'bar2 barf';
print "ok 65\n";
+# Tests which depend on REG_INFTY
+$reg_infty = defined $Config{reg_infty} ? $Config{reg_infty} : 32767;
+$reg_infty_m = $reg_infty - 1; $reg_infty_p = $reg_infty + 1;
+
+# As well as failing if the pattern matches do unexpected things, the
+# next three tests will fail if you should have picked up a lower-than-
+# default value for $reg_infty from Config.pm, but have not.
+
+undef $@;
+print "not " if eval q(('aaa' =~ /(a{1,$reg_infty_m})/)[0] ne 'aaa') || $@;
+print "ok 66\n";
+
+undef $@;
+print "not " if eval q(('a' x $reg_infty_m) !~ /a{$reg_infty_m}/) || $@;
+print "ok 67\n";
+
+undef $@;
+print "not " if eval q(('a' x ($reg_infty_m - 1)) =~ /a{$reg_infty_m}/) || $@;
+print "ok 68\n";
+
+undef $@;
+eval "'aaa' =~ /a{1,$reg_infty}/";
+print "not " if $@ !~ m%^\Q/a{1,$reg_infty}/: Quantifier in {,} bigger than%;
+print "ok 69\n";
+
+eval "'aaa' =~ /a{1,$reg_infty_p}/";
+print "not "
+ if $@ !~ m%^\Q/a{1,$reg_infty_p}/: Quantifier in {,} bigger than%;
+print "ok 70\n";
+undef $@;
+
+# Poke a couple more parse failures
+
+$context = 'x' x 256;
+eval qq("${context}y" =~ /(?<=$context)y/);
+print "not " if $@ !~ m%^\Q/(?<=\Ex+/: lookbehind longer than 255 not%;
+print "ok 71\n";
+
+# This one will fail when POSIX character classes do get implemented
+{
+ my $w;
+ local $^W = 1;
+ local $SIG{__WARN__} = sub{$w = shift};
+ eval q('a' =~ /[[:alpha:]]/);
+ print "not " if $w !~ /^\QCharacter class syntax [: :] is reserved/;
+}
+print "ok 72\n";
+
# Long Monsters
-$test = 66;
+$test = 73;
for $l (125, 140, 250, 270, 300000, 30) { # Ordered to free memory
$a = 'a' x $l;
print "# length=$l\nnot " unless "ba$a=" =~ /a$a=/;
'(ab)\d\1'i Ab4ab y $1 Ab
'(ab)\d\1'i ab4Ab y $1 ab
foo\w*\d{4}baz foobar1234baz y $& foobar1234baz
-a{1,$reg_infty_m} aaa y $& aaa
-a{1,$reg_infty} - c - /a{1,$reg_infty}/: Quantifier in {,} bigger than
-a{1,$reg_infty_p} - c - /a{1,$reg_infty_p}/: Quantifier in {,} bigger than
a(?{})b cabd y $& ab
a(?{)b - c - /a(?{)b/: Sequence (?{...}) not terminated or not {}-balanced
a(?{{})b - c - /a(?{{})b/: Sequence (?{...}) not terminated or not {}-balanced
((?>a+)b) aaab y $1 aaab
(?>(a+))b aaab y $1 aaa
((?>[^()]+)|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
+(?<=x+)y - c - /(?<=x+)y/: variable length lookbehind not implemented
+a{37,17} - c - /a{37,17}/: Can't do {n,m} with n > m
#
# Columns 1, 2 and 5 are \n-interpolated.
#
-# The variables $reg_infty, $reg_infty_m and $reg_infty_m in columns 1
-# and 5 are replaced respectively with the configuration value reg_infty,
-# reg_infty-1 and reg_infty+1, or if reg_infty is not defined in the
-# configuration, default values. No other variables are substituted.
-
+# If you want to add a regular expression test that can't be expressed
+# in this format, don't add it here: put it in op/pat.t instead.
$iters = shift || 1; # Poor man performance suite, 10000 is OK.
-chdir 't' if -d 't';
-@INC = "../lib";
-eval 'use Config'; # Defaults assumed if this fails
-$reg_infty = defined $Config{reg_infty} ? $Config{reg_infty} : 32767;
-$reg_infty_m = $reg_infty - 1; $reg_infty_p = $reg_infty + 1;
-
-open(TESTS,'op/re_tests') || die "Can't open re_tests";
+open(TESTS,'op/re_tests') || open(TESTS,'t/op/re_tests') ||
+ die "Can't open re_tests";
while (<TESTS>) { }
$numtests = $.;