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CJM / HTML-Tree-5.901-TRIAL / t / parsefile.t 
#!/usr/bin/perl -T

use warnings;
use strict;
use Test::More tests => 4;

use HTML::TreeBuilder;

print "#Using HTML::TreeBuilder version v$HTML::TreeBuilder::VERSION\n";
print "#Using HTML::Element version v$HTML::Element::VERSION\n";
print "#Using HTML::Parser version v", $HTML::Parser::VERSION || "?", "\n";
print "#Using HTML::Entities version v", $HTML::Entities::VERSION || "?",
    "\n";
print "#Using HTML::Tagset version v", $HTML::Tagset::VERSION || "?", "\n";
print "# Running under perl version $] for $^O",
    ( chr(65) eq 'A' ) ? "\n" : " in a non-ASCII world\n";
print "# Win32::BuildNumber ", &Win32::BuildNumber(), "\n"
    if defined(&Win32::BuildNumber)
        and defined &Win32::BuildNumber();
print "# MacPerl verison $MacPerl::Version\n"
    if defined $MacPerl::Version;
printf
    "# Current time local: %s\n# Current time GMT:   %s\n",
    scalar( localtime($^T) ), scalar( gmtime($^T) );

my $tempfile = "lwp-test-$$";

open( F, ">$tempfile" ) or die "Can't open $tempfile: $!";

print F <<EOT;
<!-- This is a test file generated by $0 -->
<title>Libwww-perl test</title>
<isindex>

<body>

This is some text and this is a simple <a
href="http://www.sn.no/libwww-perl/">link</a> back to the
<b>libwww-perl</b> site.

<!-- This tag isn't quoted properly, but should be when rendered -->
<img src=sean-burke-naked-as-a-jaybird.jpg>

<foo a=b

EOT
close(F);

my $h = HTML::TreeBuilder->new;
$h->parse_file($tempfile);
unlink($tempfile);

{
    my $x = $_ = $h->as_HTML;
    $x =~ s/^/# /mg;
    print "# As HTML: $x#\n";
}

# Just make a few samples to check that we got what we expected
like( $_, qr/<head>/i,       "Matches Head" );
like( $_, qr/<isindex \/>/i, "Matches isindex" );
like(
    $_,
    qr/<img src="sean-burke-naked-as-a-jaybird.jpg" \/>/,
    "Found the img tag"
);
like( $_, qr/this is a simple/, "Matches simple text" );

# /foo\s*a=b/ || $bad++; # too version-dependent