1--TEST--
2XMLReader: libxml2 XML Reader, Move cursor to an attribute, with invalid arguments
3--CREDITS--
4Mark Baker mark@lange.demon.co.uk at the PHPNW2017 Conference for PHP Testfest 2017
5--EXTENSIONS--
6xmlreader
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-move-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            try {
35                $reader->moveToAttribute('');
36            } catch (ValueError $exception) {
37                echo $exception->getMessage() . "\n";
38            }
39
40            // Ensure that node pointer has not changed position
41            echo $reader->name . ": ";
42            echo $reader->value . "\n";
43
44            // Test for call by name for an attribute that doesn't exist
45            $attr = $reader->moveToAttribute('isbn');
46            var_dump($attr);
47            // Ensure that node pointer has not changed position
48            echo $reader->name . ": ";
49            echo $reader->value . "\n";
50
51            // Test for call by number for an attribute that doesn't exist
52            $attr = $reader->moveToAttributeNo(911);
53            var_dump($attr);
54            // Oddly, node pointer moves back to the element in this case
55            echo $reader->name . "\n";
56        }
57    }
58}
59
60// clean up
61$reader->close();
62?>
63--CLEAN--
64<?php
65unlink(__DIR__.'/003-move-errors.xml');
66?>
67--EXPECT--
68book
69bool(true)
70num: 1
71XMLReader::moveToAttribute(): Argument #1 ($name) must not be empty
72num: 1
73bool(false)
74num: 1
75bool(false)
76book
77