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#!/usr/bin/perl -T
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use warnings;
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use strict;
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#Test that we can build and compare trees
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use Test::More tests => 46;
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use HTML::Element;
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FIRST_BLOCK: {
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    my $lol = [
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        'html',
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        [ 'head', [ 'title', 'I like stuff!' ], ],
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        [   'body', { 'lang', 'en-JP' },
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            'stuff',
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            [ 'p', 'um, p < 4!', { 'class' => 'par123' } ],
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            [ 'div', { foo => 'bar' }, ' 1  2  3 ' ],        # at 0.1.2
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            [ 'div', { fu  => 'baa' }, " 1 and 2 \xA0 3 " ], # RT #26436 test
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            ['hr'],
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        ]
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    ];
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    my $t1 = HTML::Element->new_from_lol($lol);
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    isa_ok( $t1, 'HTML::Element' );
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    ### added to test ->is_empty() and ->look_up()
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    my $hr = $t1->find('hr');
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    isa_ok( $hr, 'HTML::Element' );
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    ok( $hr->is_empty(), "testing is_empty method on 
 tag" );
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    my $lookuptag = $hr->look_up( "_tag", "body" );
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    is( '<body lang="en-JP">',
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        $lookuptag->starttag(), "verify hr->look_up found body tag" );
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    my %attrs  = $lookuptag->all_attr();
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    my @attrs1 = sort keys %attrs;
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    my @attrs2 = sort $lookuptag->all_attr_names();
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    is_deeply( \@attrs1, \@attrs2, "is_deeply attrs" );
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    # Test scalar context
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    my $count = $t1->content_list;
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    is( $count, 2, "Works in scalar" );
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    # Test list context
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    my @list = $t1->content_list;
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    is( scalar @list, 2, "Should get two items back" );
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    isa_ok( $list[0], 'HTML::Element' );
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    isa_ok( $list[1], 'HTML::Element' );
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    my $div = $t1->find_by_attribute( 'foo', 'bar' );
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    isa_ok( $div, 'HTML::Element' );
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    ### tests of various output formats
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    is( $div->as_text(), " 1  2  3 ", "Dump element in text format" );
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    is( $div->as_trimmed_text(), "1 2 3",
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        "Dump element in trimmed text format" );
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    is( $div->as_text_trimmed(), "1 2 3",
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        "Dump element in trimmed text format" );
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    is( $div->as_Lisp_form(),
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        qq{("_tag" "div" "foo" "bar" "_content" (\n  " 1  2  3 "))\n},
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        "Dump element as Lisp form"
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    );
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    is( $div->address, '0.1.2' );
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    is( $div, $t1->address('0.1.2'), 'using address to get the node' );
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    ok( $div->same_as($div) );
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    ok( $t1->same_as($t1) );
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    ok( not( $div->same_as($t1) ) );
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    my $div2 = $t1->find_by_attribute( 'fu', 'baa' );
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    isa_ok( $div2, 'HTML::Element' );
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    ### test for RT #26436 user controlled white space
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    is( $div2->as_text(), " 1 and 2 \xA0 3 ", "Dump element in text format" );
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    is( $div2->as_trimmed_text(),
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        "1 and 2 \xA0 3", "Dump element in trimmed text format" );
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    is( $div2->as_trimmed_text( extra_chars => 'a-z\xA0' ),
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        "1 2 3", "Dump element in trimmed text format without nbsp or letters");
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    is( $div2->as_trimmed_text( extra_chars => '[:alpha:]' ),
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        "1 2 \xA0 3", "Dump element in trimmed text format without letters");
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    my $t2 = HTML::Element->new_from_lol($lol);
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    isa_ok( $t2, 'HTML::Element' );
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    ok( $t2->same_as($t1) );
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    $t2->address('0.1.2')->attr( 'snap', 123 );
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    ok( not( $t2->same_as($t1) ) );
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    my $body = $t1->find_by_tag_name('body');
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    isa_ok( $body, 'HTML::Element' );
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    is( $body->tag, 'body' );
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    my $cl = join '~', $body->content_list;
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    my @detached = $body->detach_content;
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    is( $cl, join '~', @detached );
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    $body->push_content(@detached);
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    is( $cl, join '~', $body->content_list );
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    $t2->delete;
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    $t1->delete;
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}    # FIRST_BLOCK
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TEST2: {    # for normalization
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    my $t1 = HTML::Element->new_from_lol( [ 'p', 'stuff', ['hr'], 'thing' ] );
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    my @start = $t1->content_list;
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    is( scalar(@start), 3 );
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    my $lr = $t1->content;
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    # $lr is ['stuff', HTML::Element('hr'), 'thing']
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    is( $lr->[0], 'stuff' );
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    isa_ok( $lr->[1], 'HTML::Element' );
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    is( $lr->[2], 'thing' );
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    # insert some undefs
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    splice @$lr, 1, 0, undef;    # insert an undef between [0] and [1]
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    push @$lr, undef;            # append an undef to the end
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    unshift @$lr, undef;         # prepend an undef to the front
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         # $lr is [undef, 'stuff', undef, H::E('hr'), 'thing', undef]
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UNNORMALIZED: {
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        my $cl_count = $t1->content_list;
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        my @cl       = $t1->content_list;
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        is( $cl_count,   6 );
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        is( scalar(@cl), $cl_count );    # also == 6
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        {
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            no warnings;                 # content_list contains undefs
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            isnt( join( '~', @start ), join( '~', $t1->content_list ) );
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        }
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    }
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NORMALIZED: {
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        $t1->normalize_content;
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        my @cl = $t1->content_list;
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        eq_array( \@start, \@cl );
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    }
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    ok( not defined( $t1->attr('foo') ) );
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    $t1->attr( 'foo', 'bar' );
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    is( $t1->attr('foo'), 'bar' );
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    ok( scalar( grep( 'bar', $t1->all_external_attr() ) ) );
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    $t1->attr( 'foo', '' );
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    ok( scalar( grep( 'bar', $t1->all_external_attr() ) ) );
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    $t1->attr( 'foo', undef );    # should delete it
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    ok( not grep( 'bar', $t1->all_external_attr() ) );
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    $t1->delete;
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}    # TEST2
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EXTRA_CHARS_IS_FALSE: {
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    my $h = HTML::Element->new_from_lol([p => '1  2 0  4']);
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    is( $h->as_text, '1  2 0  4', "Dump p in text format" );
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    is( $h->as_trimmed_text, '1 2 0 4', "Dump p in trimmed format" );
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    is( $h->as_trimmed_text(extra_chars => '0'), '1 2 4',
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        "Dump p in trimmed format without 0" );
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}

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