1--TEST--
2XMLReader: libxml2 XML Reader, Move cursor to a named attribute within a namespace, 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$xmlstring = '<?xml version="1.0" encoding="UTF-8"?>
11<books xmlns:ns1="http://www.ns1.namespace.org/" xmlns:ns2="http://www.ns2.namespace.org/"><book ns1:num="1" ns2:idx="2" ns1:idx="3" ns2:isbn="4">book1</book></books>';
12$filename = __DIR__ . '/015-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            $attr = $reader->moveToNextAttribute();
27
28            // Test for missing namespace argument
29            try {
30                $attr = $reader->getAttributeNs('idx', null);
31            } catch (ValueError $exception) {
32                echo $exception->getMessage() . "\n";
33            }
34
35            echo $reader->name . ": ";
36            echo $reader->value . "\n";
37        }
38    }
39}
40
41// clean up
42$reader->close();
43?>
44--CLEAN--
45<?php
46unlink(__DIR__.'/015-get-errors.xml');
47?>
48--EXPECT--
49XMLReader::getAttributeNs(): Argument #2 ($namespace) cannot be empty
50ns1:num: 1
51