#!./perl

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
}

print "1..26\n";

$x = "abc\ndef\n";
study($x);

if ($x =~ /^abc/) {print "ok 1\n";} else {print "not ok 1\n";}
if ($x !~ /^def/) {print "ok 2\n";} else {print "not ok 2\n";}

$* = 1;
if ($x =~ /^def/) {print "ok 3\n";} else {print "not ok 3\n";}
$* = 0;

$_ = '123';
study;
if (/^([0-9][0-9]*)/) {print "ok 4\n";} else {print "not ok 4\n";}

if ($x =~ /^xxx/) {print "not ok 5\n";} else {print "ok 5\n";}
if ($x !~ /^abc/) {print "not ok 6\n";} else {print "ok 6\n";}

if ($x =~ /def/) {print "ok 7\n";} else {print "not ok 7\n";}
if ($x !~ /def/) {print "not ok 8\n";} else {print "ok 8\n";}

study($x);
if ($x !~ /.def/) {print "ok 9\n";} else {print "not ok 9\n";}
if ($x =~ /.def/) {print "not ok 10\n";} else {print "ok 10\n";}

if ($x =~ /\ndef/) {print "ok 11\n";} else {print "not ok 11\n";}
if ($x !~ /\ndef/) {print "not ok 12\n";} else {print "ok 12\n";}

$_ = 'aaabbbccc';
study;
if (/(a*b*)(c*)/ && $1 eq 'aaabbb' && $2 eq 'ccc') {
	print "ok 13\n";
} else {
	print "not ok 13\n";
}
if (/(a+b+c+)/ && $1 eq 'aaabbbccc') {
	print "ok 14\n";
} else {
	print "not ok 14\n";
}

if (/a+b?c+/) {print "not ok 15\n";} else {print "ok 15\n";}

$_ = 'aaabccc';
study;
if (/a+b?c+/) {print "ok 16\n";} else {print "not ok 16\n";}
if (/a*b+c*/) {print "ok 17\n";} else {print "not ok 17\n";}

$_ = 'aaaccc';
study;
if (/a*b?c*/) {print "ok 18\n";} else {print "not ok 18\n";}
if (/a*b+c*/) {print "not ok 19\n";} else {print "ok 19\n";}

$_ = 'abcdef';
study;
if (/bcd|xyz/) {print "ok 20\n";} else {print "not ok 20\n";}
if (/xyz|bcd/) {print "ok 21\n";} else {print "not ok 21\n";}

if (m|bc/*d|) {print "ok 22\n";} else {print "not ok 22\n";}

if (/^$_$/) {print "ok 23\n";} else {print "not ok 23\n";}

$* = 1;		# test 3 only tested the optimized version--this one is for real
if ("ab\ncd\n" =~ /^cd/) {print "ok 24\n";} else {print "not ok 24\n";}

if ($^O eq 'os390') {
    # Even with the alarm() OS/390 can't manage these tests
    # (Perl just goes into a busy loop, luckily an interruptable one)
    for (25..26) { print "not ok $_ # compiler bug?\n" }
} else {
    # [ID 20010618.006] tests 25..26 may loop
    use Config;
    my $have_alarm = $Config{d_alarm};
    local $SIG{ALRM} = sub { die "timeout\n" };

    $_ = 'FGF';
    study;
    my $ok = $have_alarm
	? eval { alarm(2); my $match = /G.F$/; alarm(0); !$match }
	: eval { !/G.F$/ };
    if ($ok && !$@) {
	print "ok 25\n";
    } else {
	print "not ok 25\t# " . $@ || "should not match\n";
    }
    $ok = $have_alarm
	? eval { alarm(2); my $match = /[F]F$/; alarm(0); !$match }
	: eval { !/[F]F$/ };
    if ($ok && !$@) {
	print "ok 26\n";
    } else {
	print "not ok 26\t# " . $@ || "should not match\n";
    }
}