third_party/WebKit/LayoutTests/fast/xpath/py-dom-xpath/functions.html

   1 <html>
   2 <head>
   3 <script src="../../../resources/js-test.js"></script>
   4 <script src="../xpath-test-pre.js"></script>
   5 </head>
   6 <body>
   7 <div id="console"></div>
   8
   9 <script>
  10 var doc = (new DOMParser).parseFromString(
  11     '<!DOCTYPE doc [<!ATTLIST item identifier ID #IMPLIED>]>' +
  12     '<doc>' +
  13         '<item id="1" identifier="a" />' +
  14         '<item id="2" identifier="b" />' +
  15         '<item id="3" identifier="c" />' +
  16         '<item id="4" identifier="d" />' +
  17         '<item id="5" identifier="e" />' +
  18         '<reference>a</reference>' +
  19         '<reference>c</reference>' +
  20         '<reference>e</reference>' +
  21         '<namespace xmlns="http://www.example.com/a" xmlns:b="http://www.example.com/b">' +
  22             '<item id="6" />' +
  23             '<b:item id="7" b:value="42" />' +
  24         '</namespace>' +
  25     '</doc>',
  26     'application/xml');
  27
  28 var ROOT = doc.documentElement;
  29 var ITEM1 = ROOT.firstChild;
  30 var ITEM2 = ITEM1.nextSibling;
  31 var ITEM3 = ITEM2.nextSibling;
  32 var ITEM4 = ITEM3.nextSibling;
  33 var ITEM5 = ITEM4.nextSibling;
  34 var REFA = ITEM5.nextSibling;
  35 var REFC = REFA.nextSibling;
  36 var REFE = REFC.nextSibling;
  37 var NAMESPACE = REFE.nextSibling;
  38 var ITEM6 = NAMESPACE.firstChild;
  39 var ITEM7 = ITEM6.nextSibling;
  40
  41 test(doc, ROOT, '//item[@id=last()]', [ITEM5]);
  42 test(doc, ROOT, '//item[position()=3]', [ITEM3]);
  43 test(doc, ROOT, 'count(//item)', 5);
  44 test(doc, ROOT, 'id("c")', [ITEM3]);
  45 test(doc, ROOT, 'id(//reference)', [ITEM1, ITEM3, ITEM5]);
  46 // The below test is wrong, it has an invalid expression.
  47 //test(doc, ROOT, '//reference/id("a")', [ITEM1]);
  48 // Several tests below originally used predicates with an abbreviated step, which is formally invalid, see <https://bugs.webkit.org/show_bug.cgi?id=12632>.
  49 test(doc, ROOT, 'local-name(//self::node()[@id=7])', 'item');
  50 test(doc, ROOT, 'number(//self::node()[@id=7]/attribute::*[local-name()="value"])', 42);
  51 test(doc, ROOT, 'local-name(/absent)', '');
  52 test(doc, ROOT, 'namespace-uri(//self::node()[@id>5])', 'http://www.example.com/a');
  53 test(doc, ROOT, '//self::node()[@id and namespace-uri()="http://www.example.com/b"]', [ITEM7]);
  54 test(doc, ROOT, 'namespace-uri(/absent)', '');
  55 test(doc, ROOT, 'name(//self::node()[@id=7])', 'b:item');
  56 test(doc, ROOT, '//self::node()[name()="b:item"]', [ITEM7]);
  57 test(doc, ROOT, 'name(/absent)', '');
  58
  59
  60 doc = (new DOMParser).parseFromString(
  61     '<doc>' +
  62         '<para id="1">One</para>' +
  63         '<para id="2">Two</para>' +
  64         '<para id="3">Three</para>' +
  65         '<para id="4">' +
  66             'Four' +
  67         '</para>' +
  68     '</doc>',
  69     'application/xml');
  70
  71 var ROOT = doc.documentElement;
  72 var PARA1 = ROOT.firstChild;
  73 var PARA2 = PARA1.nextSibling;
  74 var PARA3 = PARA2.nextSibling;
  75 var PARA4 = PARA3.nextSibling;
  76
  77 test(doc, doc, 'string(//para)', 'One');
  78 test(doc, doc, 'string(//inconceivable)', '');
  79 test(doc, doc, 'string(0 div 0)', 'NaN');
  80 test(doc, doc, 'string(1 div 0)', 'Infinity');
  81 test(doc, doc, 'string(-1 div 0)', '-Infinity');
  82 test(doc, doc, 'string(2.5 * 2)', '5');
  83 test(doc, doc, 'string(1 div -2)', '-0.5');
  84 test(doc, doc, 'string(1 = 2)', 'false');
  85 test(doc, doc, 'string("string")', 'string');
  86 test(doc, doc, '//para[string()="Two"]', [PARA2]);
  87 test(doc, doc, 'concat(//para, ":", //para[2])', 'One:Two');
  88 test(doc, doc, 'starts-with("foo-bar", "foo")', true);
  89 test(doc, doc, 'starts-with("foo-bar", "bar")', false);
  90 test(doc, doc, 'contains("foo-bar", "o-b")', true);
  91 test(doc, doc, 'contains("foo-bar", "b-o")', false);
  92 test(doc, doc, 'substring-before("foo::bar", "::")', 'foo');
  93 test(doc, doc, 'substring-before("foo::bar", "--")', '');
  94 test(doc, doc, 'substring-after("foo::bar", "::")', 'bar');
  95 test(doc, doc, 'substring-after("foo::bar", "--")', '');
  96 test(doc, doc, 'substring("12345", 2)', '2345');
  97 test(doc, doc, 'substring("12345", 2, 3)', '234');
  98 test(doc, doc, 'substring("12345", 1.5, 2.6)', '234');
  99 test(doc, doc, 'substring("12345", 0, 3)', '12');
 100 test(doc, doc, 'substring("12345", 0 div 0, 3)', '');
 101 test(doc, doc, 'substring("12345", 1, 0 div 0)', '');
 102 test(doc, doc, 'substring("12345", -42, 1 div 0)', '12345');
 103 test(doc, doc, 'substring("12345", -1 div 0, 1 div 0)', '');
 104 test(doc, doc, 'substring("12345", 6, 1)', '');
 105 test(doc, doc, 'substring("12345", 1, 0)', '');
 106 test(doc, doc, 'string-length("12345")', 5);
 107 test(doc, doc, '//para[string-length()=5]', [PARA3]);
 108 test(doc, doc, 'normalize-space("   one   two   ")', 'one two');
 109 test(doc, doc, '//para[normalize-space() = "Four"]', [PARA4]);
 110 test(doc, doc, 'translate("abcdef", "abcde", "xyz")', 'xyzf');
 111
 112 doc = (new DOMParser).parseFromString(
 113     '<doc id="0">' +
 114         '<para id="1" />' +
 115         '<para id="2" xml:lang="en">' +
 116             '<item id="3" />' +
 117             'English' +
 118             '<section id="4" xml:lang="jp">' +
 119                 '<item id="5" />' +
 120                 'Nihongo' +
 121             '</section>' +
 122         '</para>' +
 123         '<para id="6" xml:lang="EN">' +
 124             'ENGLISH' +
 125         '</para>' +
 126         '<para id="7" xml:lang="en-us">' +
 127             'US English' +
 128         '</para>' +
 129         '<para id="8" xml:lang="EN-UK">' +
 130             'UK English' +
 131         '</para>' +
 132     '</doc>',
 133     'application/xml');
 134
 135 var ROOT = doc.documentElement;
 136 var PARA1 = ROOT.firstChild;
 137 var PARA2 = PARA1.nextSibling;
 138 var ITEM3 = PARA2.firstChild;
 139 var SECTION4 = ITEM3.nextSibling.nextSibling;
 140 var ITEM5 = SECTION4.firstChild;
 141 var PARA6 = PARA2.nextSibling;
 142 var PARA7 = PARA6.nextSibling;
 143 var PARA8 = PARA7.nextSibling;
 144
 145 test(doc, doc, 'boolean(1)', true);
 146 test(doc, doc, 'boolean(0)', false);
 147 test(doc, doc, 'boolean(0 div 0)', false);
 148 test(doc, doc, 'boolean(cod)', false);
 149 test(doc, doc, 'boolean(doc)', true);
 150 test(doc, doc, 'boolean("")', false);
 151 test(doc, doc, 'boolean("foo")', true);
 152 test(doc, doc, 'not(1 = 1)', false);
 153 test(doc, doc, 'true()', true);
 154 test(doc, doc, 'false()', false);
 155 test(doc, doc, '//*[lang("en")]', [PARA2, ITEM3, PARA6, PARA7, PARA8]);
 156 test(doc, doc, '//*[lang("EN-US")]', [PARA7]);
 157 test(doc, doc, 'normalize-space((//text()[lang("jp")])[normalize-space()])', 'Nihongo');
 158
 159 doc = (new DOMParser).parseFromString(
 160     '<doc>' +
 161         '<item>1</item>' +
 162         '<item>2</item>' +
 163         '<item>3</item>' +
 164     '</doc>',
 165     'application/xml');
 166
 167 test(doc, doc, 'string(number("-1e5"))', 'NaN'); // This test originally checked for successful parsing, but -1e5 is not a valid XPath number.
 168 test(doc, doc, 'number(true())', 1);
 169 test(doc, doc, 'number(false())', 0);
 170 test(doc, doc, 'number(//item)', 1);
 171 test(doc, doc, 'string(//item[number()=4 div 2])', '2');
 172 test(doc, doc, 'sum(//item)', 6);
 173 test(doc, doc, 'floor(1.99)', 1);
 174 test(doc, doc, 'floor(-1.99)', -2);
 175 test(doc, doc, 'ceiling(1.99)', 2);
 176 test(doc, doc, 'ceiling(-1.99)', -1);
 177 test(doc, doc, 'round(1.5)', 2);
 178 test(doc, doc, 'round(-1.5)', -1);
 179 test(doc, doc, 'string(round(0 div 0))', 'NaN');
 180 test(doc, doc, 'round(1 div 0)', 1 / 0);
 181 test(doc, doc, 'round(-1 div 0)', -1 / 0);
 182
 183 // The below tests are added for WebKit to complement the -1e5 test above.
 184 test(doc, doc, 'number(".1")', 0.1);
 185 test(doc, doc, 'number("1.")', 1);
 186 test(doc, doc, 'string(number(".1."))', 'NaN');
 187 test(doc, doc, 'string(number("..1"))', 'NaN');
 188 test(doc, doc, 'string(number("1.."))', 'NaN');
 189 test(doc, doc, 'string(number(".-1"))', 'NaN');
 190
 191 </script>
 192 </body>
 193 </html>