1--TEST--
2XMLReader: libxml2 XML Reader, Get an attribute, with invalid arguments
3--CREDITS--
4Mark Baker mark@lange.demon.co.uk at the PHPNW2017 Conference for PHP Testfest 2017
5--SKIPIF--
6<?php if (!extension_loaded("xmlreader")) print "skip"; ?>
7--FILE--
8<?php
9// Set up test data in a new file
10$xmlstring = '<?xml version="1.0" encoding="UTF-8"?>
11<books><book num="1" idx="2">book1</book></books>';
12$filename = __DIR__ . '/003-get-errors.xml';
13file_put_contents($filename, $xmlstring);
14
15// Load test data into a new XML Reader
16$reader = new XMLReader();
17if (!$reader->open($filename)) {
18    exit('XML could not be read');
19}
20
21// Parse the data
22while ($reader->read()) {
23    if ($reader->nodeType != XMLREADER::END_ELEMENT) {
24        // Find the book node
25        if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name == 'book') {
26            echo $reader->name . "\n";
27
28            $attr = $reader->moveToNextAttribute();
29            var_dump($attr);
30            echo $reader->name . ": ";
31            echo $reader->value . "\n";
32
33            // Test for call with an empty string argument
34            $attr = $reader->getAttribute('');
35            var_dump($attr);
36            // Ensure that node pointer has not changed position
37            echo $reader->name . ": ";
38            echo $reader->value . "\n";
39
40            // Test for call by name for an attribute that doesn't exist
41            $attr = $reader->getAttribute('isbn');
42            var_dump($attr);        // NULL expected
43            // Ensure that node pointer has not changed position
44            echo $reader->name . ": ";
45            echo $reader->value . "\n";
46
47            // Test for call by number for an attribute that doesn't exist
48            $attr = $reader->getAttributeNo(911);
49            var_dump($attr);        // NULL expected
50            // Ensure that node pointer has not changed position
51            echo $reader->name . ": ";
52            echo $reader->value . "\n";
53        }
54    }
55}
56
57// clean up
58$reader->close();
59?>
60===DONE===
61--CLEAN--
62<?php
63unlink(__DIR__.'/003-get-errors.xml');
64?>
65--EXPECTF--
66book
67bool(true)
68num: 1
69
70Warning: XMLReader::getAttribute(): Argument cannot be an empty string in %s on line %d
71bool(false)
72num: 1
73NULL
74num: 1
75NULL
76num: 1
77===DONE===
78