LayoutTests/fast/xpath/py-dom-xpath/functions.html - WebKit - Git at Google

 <html>
 <head>
 <script src="../../../resources/js-test-pre.js"></script>
 <script src="../xpath-test-pre.js"></script>
 </head>
 <body>
 <div id="console"></div>

 <script>
 var doc = (new DOMParser).parseFromString(
     '<!DOCTYPE doc [<!ATTLIST item identifier ID #IMPLIED>]>' +
     '<doc>' +
         '<item id="1" identifier="a" />' +
         '<item id="2" identifier="b" />' +
         '<item id="3" identifier="c" />' +
         '<item id="4" identifier="d" />' +
         '<item id="5" identifier="e" />' +
         '<reference>a</reference>' +
         '<reference>c</reference>' +
         '<reference>e</reference>' +
         '<namespace xmlns="http://www.example.com/a" xmlns:b="http://www.example.com/b">' +
             '<item id="6" />' +
             '<b:item id="7" b:value="42" />' +
         '</namespace>' +
     '</doc>',
     'application/xml');

 var ROOT = doc.documentElement;
 var ITEM1 = ROOT.firstChild;
 var ITEM2 = ITEM1.nextSibling;
 var ITEM3 = ITEM2.nextSibling;
 var ITEM4 = ITEM3.nextSibling;
 var ITEM5 = ITEM4.nextSibling;
 var REFA = ITEM5.nextSibling;
 var REFC = REFA.nextSibling;
 var REFE = REFC.nextSibling;
 var NAMESPACE = REFE.nextSibling;
 var ITEM6 = NAMESPACE.firstChild;
 var ITEM7 = ITEM6.nextSibling;

 test(doc, ROOT, '//item[@id=last()]', [ITEM5]);
 test(doc, ROOT, '//item[position()=3]', [ITEM3]);
 test(doc, ROOT, 'count(//item)', 5);
 test(doc, ROOT, 'id("c")', [ITEM3]);
 test(doc, ROOT, 'id(//reference)', [ITEM1, ITEM3, ITEM5]);
 // The below test is wrong, it has an invalid expression.
 //test(doc, ROOT, '//reference/id("a")', [ITEM1]);
 // Several tests below originally used predicates with an abbreviated step, which is formally invalid, see <https://bugs.webkit.org/show_bug.cgi?id=12632>.
 test(doc, ROOT, 'local-name(//self::node()[@id=7])', 'item');
 test(doc, ROOT, 'number(//self::node()[@id=7]/attribute::*[local-name()="value"])', 42);
 test(doc, ROOT, 'local-name(/absent)', '');
 test(doc, ROOT, 'namespace-uri(//self::node()[@id>5])', 'http://www.example.com/a');
 test(doc, ROOT, '//self::node()[@id and namespace-uri()="http://www.example.com/b"]', [ITEM7]);
 test(doc, ROOT, 'namespace-uri(/absent)', '');
 test(doc, ROOT, 'name(//self::node()[@id=7])', 'b:item');
 test(doc, ROOT, '//self::node()[name()="b:item"]', [ITEM7]);
 test(doc, ROOT, 'name(/absent)', '');


 doc = (new DOMParser).parseFromString(
     '<doc>' +
         '<para id="1">One</para>' +
         '<para id="2">Two</para>' +
         '<para id="3">Three</para>' +
         '<para id="4">' +
             'Four' +
         '</para>' +
     '</doc>',
     'application/xml');

 var ROOT = doc.documentElement;
 var PARA1 = ROOT.firstChild;
 var PARA2 = PARA1.nextSibling;
 var PARA3 = PARA2.nextSibling;
 var PARA4 = PARA3.nextSibling;

 test(doc, doc, 'string(//para)', 'One');
 test(doc, doc, 'string(//inconceivable)', '');
 test(doc, doc, 'string(0 div 0)', 'NaN');
 test(doc, doc, 'string(1 div 0)', 'Infinity');
 test(doc, doc, 'string(-1 div 0)', '-Infinity');
 test(doc, doc, 'string(2.5 * 2)', '5');
 test(doc, doc, 'string(1 div -2)', '-0.5');
 test(doc, doc, 'string(1 = 2)', 'false');
 test(doc, doc, 'string("string")', 'string');
 test(doc, doc, '//para[string()="Two"]', [PARA2]);
 test(doc, doc, 'concat(//para, ":", //para[2])', 'One:Two');
 test(doc, doc, 'starts-with("foo-bar", "foo")', true);
 test(doc, doc, 'starts-with("foo-bar", "bar")', false);
 test(doc, doc, 'contains("foo-bar", "o-b")', true);
 test(doc, doc, 'contains("foo-bar", "b-o")', false);
 test(doc, doc, 'substring-before("foo::bar", "::")', 'foo');
 test(doc, doc, 'substring-before("foo::bar", "--")', '');
 test(doc, doc, 'substring-after("foo::bar", "::")', 'bar');
 test(doc, doc, 'substring-after("foo::bar", "--")', '');
 test(doc, doc, 'substring("12345", 2)', '2345');
 test(doc, doc, 'substring("12345", 2, 3)', '234');
 test(doc, doc, 'substring("12345", 1.5, 2.6)', '234');
 test(doc, doc, 'substring("12345", 0, 3)', '12');
 test(doc, doc, 'substring("12345", 0 div 0, 3)', '');
 test(doc, doc, 'substring("12345", 1, 0 div 0)', '');
 test(doc, doc, 'substring("12345", -42, 1 div 0)', '12345');
 test(doc, doc, 'substring("12345", -1 div 0, 1 div 0)', '');
 test(doc, doc, 'substring("12345", 6, 1)', '');
 test(doc, doc, 'substring("12345", 1, 0)', '');
 test(doc, doc, 'string-length("12345")', 5);
 test(doc, doc, '//para[string-length()=5]', [PARA3]);
 test(doc, doc, 'normalize-space("   one   two   ")', 'one two');
 test(doc, doc, '//para[normalize-space() = "Four"]', [PARA4]);
 test(doc, doc, 'translate("abcdef", "abcde", "xyz")', 'xyzf');

 doc = (new DOMParser).parseFromString(
     '<doc id="0">' +
         '<para id="1" />' +
         '<para id="2" xml:lang="en">' +
             '<item id="3" />' +
             'English' +
             '<section id="4" xml:lang="jp">' +
                 '<item id="5" />' +
                 'Nihongo' +
             '</section>' +
         '</para>' +
         '<para id="6" xml:lang="EN">' +
             'ENGLISH' +
         '</para>' +
         '<para id="7" xml:lang="en-us">' +
             'US English' +
         '</para>' +
         '<para id="8" xml:lang="EN-UK">' +
             'UK English' +
         '</para>' +
     '</doc>',
     'application/xml');

 var ROOT = doc.documentElement;
 var PARA1 = ROOT.firstChild;
 var PARA2 = PARA1.nextSibling;
 var ITEM3 = PARA2.firstChild;
 var SECTION4 = ITEM3.nextSibling.nextSibling;
 var ITEM5 = SECTION4.firstChild;
 var PARA6 = PARA2.nextSibling;
 var PARA7 = PARA6.nextSibling;
 var PARA8 = PARA7.nextSibling;

 test(doc, doc, 'boolean(1)', true);
 test(doc, doc, 'boolean(0)', false);
 test(doc, doc, 'boolean(0 div 0)', false);
 test(doc, doc, 'boolean(cod)', false);
 test(doc, doc, 'boolean(doc)', true);
 test(doc, doc, 'boolean("")', false);
 test(doc, doc, 'boolean("foo")', true);
 test(doc, doc, 'not(1 = 1)', false);
 test(doc, doc, 'true()', true);
 test(doc, doc, 'false()', false);
 test(doc, doc, '//*[lang("en")]', [PARA2, ITEM3, PARA6, PARA7, PARA8]);
 test(doc, doc, '//*[lang("EN-US")]', [PARA7]);
 test(doc, doc, 'normalize-space((//text()[lang("jp")])[normalize-space()])', 'Nihongo');

 doc = (new DOMParser).parseFromString(
     '<doc>' +
         '<item>1</item>' +
         '<item>2</item>' +
         '<item>3</item>' +
     '</doc>',
     'application/xml');

 test(doc, doc, 'string(number("-1e5"))', 'NaN'); // This test originally checked for successful parsing, but -1e5 is not a valid XPath number.
 test(doc, doc, 'number(true())', 1);
 test(doc, doc, 'number(false())', 0);
 test(doc, doc, 'number(//item)', 1);
 test(doc, doc, 'string(//item[number()=4 div 2])', '2');
 test(doc, doc, 'sum(//item)', 6);
 test(doc, doc, 'floor(1.99)', 1);
 test(doc, doc, 'floor(-1.99)', -2);
 test(doc, doc, 'ceiling(1.99)', 2);
 test(doc, doc, 'ceiling(-1.99)', -1);
 test(doc, doc, 'round(1.5)', 2);
 test(doc, doc, 'round(-1.5)', -1);
 test(doc, doc, 'string(round(0 div 0))', 'NaN');
 test(doc, doc, 'round(1 div 0)', 1 / 0);
 test(doc, doc, 'round(-1 div 0)', -1 / 0);

 // The below tests are added for WebKit to complement the -1e5 test above.
 test(doc, doc, 'number(".1")', 0.1);
 test(doc, doc, 'number("1.")', 1);
 test(doc, doc, 'string(number(".1."))', 'NaN');
 test(doc, doc, 'string(number("..1"))', 'NaN');
 test(doc, doc, 'string(number("1.."))', 'NaN');
 test(doc, doc, 'string(number(".-1"))', 'NaN');

 </script>
 <script src="../../../resources/js-test-post.js"></script>
 </body>
 </html>
	<html>
	<head>
	<script src="../../../resources/js-test-pre.js"></script>
	<script src="../xpath-test-pre.js"></script>
	</head>
	<body>
	<div id="console"></div>

	<script>
	var doc = (new DOMParser).parseFromString(
	'<!DOCTYPE doc [<!ATTLIST item identifier ID #IMPLIED>]>' +
	'<doc>' +
	'<item id="1" identifier="a" />' +
	'<item id="2" identifier="b" />' +
	'<item id="3" identifier="c" />' +
	'<item id="4" identifier="d" />' +
	'<item id="5" identifier="e" />' +
	'<reference>a</reference>' +
	'<reference>c</reference>' +
	'<reference>e</reference>' +
	'<namespace xmlns="http://www.example.com/a" xmlns:b="http://www.example.com/b">' +
	'<item id="6" />' +
	'<b:item id="7" b:value="42" />' +
	'</namespace>' +
	'</doc>',
	'application/xml');

	var ROOT = doc.documentElement;
	var ITEM1 = ROOT.firstChild;
	var ITEM2 = ITEM1.nextSibling;
	var ITEM3 = ITEM2.nextSibling;
	var ITEM4 = ITEM3.nextSibling;
	var ITEM5 = ITEM4.nextSibling;
	var REFA = ITEM5.nextSibling;
	var REFC = REFA.nextSibling;
	var REFE = REFC.nextSibling;
	var NAMESPACE = REFE.nextSibling;
	var ITEM6 = NAMESPACE.firstChild;
	var ITEM7 = ITEM6.nextSibling;

	test(doc, ROOT, '//item[@id=last()]', [ITEM5]);
	test(doc, ROOT, '//item[position()=3]', [ITEM3]);
	test(doc, ROOT, 'count(//item)', 5);
	test(doc, ROOT, 'id("c")', [ITEM3]);
	test(doc, ROOT, 'id(//reference)', [ITEM1, ITEM3, ITEM5]);
	// The below test is wrong, it has an invalid expression.
	//test(doc, ROOT, '//reference/id("a")', [ITEM1]);
	// Several tests below originally used predicates with an abbreviated step, which is formally invalid, see <https://bugs.webkit.org/show_bug.cgi?id=12632>.
	test(doc, ROOT, 'local-name(//self::node()[@id=7])', 'item');
	test(doc, ROOT, 'number(//self::node()[@id=7]/attribute::*[local-name()="value"])', 42);
	test(doc, ROOT, 'local-name(/absent)', '');
	test(doc, ROOT, 'namespace-uri(//self::node()[@id>5])', 'http://www.example.com/a');
	test(doc, ROOT, '//self::node()[@id and namespace-uri()="http://www.example.com/b"]', [ITEM7]);
	test(doc, ROOT, 'namespace-uri(/absent)', '');
	test(doc, ROOT, 'name(//self::node()[@id=7])', 'b:item');
	test(doc, ROOT, '//self::node()[name()="b:item"]', [ITEM7]);
	test(doc, ROOT, 'name(/absent)', '');


	doc = (new DOMParser).parseFromString(
	'<doc>' +
	'<para id="1">One</para>' +
	'<para id="2">Two</para>' +
	'<para id="3">Three</para>' +
	'<para id="4">' +
	'Four' +
	'</para>' +
	'</doc>',
	'application/xml');

	var ROOT = doc.documentElement;
	var PARA1 = ROOT.firstChild;
	var PARA2 = PARA1.nextSibling;
	var PARA3 = PARA2.nextSibling;
	var PARA4 = PARA3.nextSibling;

	test(doc, doc, 'string(//para)', 'One');
	test(doc, doc, 'string(//inconceivable)', '');
	test(doc, doc, 'string(0 div 0)', 'NaN');
	test(doc, doc, 'string(1 div 0)', 'Infinity');
	test(doc, doc, 'string(-1 div 0)', '-Infinity');
	test(doc, doc, 'string(2.5 * 2)', '5');
	test(doc, doc, 'string(1 div -2)', '-0.5');
	test(doc, doc, 'string(1 = 2)', 'false');
	test(doc, doc, 'string("string")', 'string');
	test(doc, doc, '//para[string()="Two"]', [PARA2]);
	test(doc, doc, 'concat(//para, ":", //para[2])', 'One:Two');
	test(doc, doc, 'starts-with("foo-bar", "foo")', true);
	test(doc, doc, 'starts-with("foo-bar", "bar")', false);
	test(doc, doc, 'contains("foo-bar", "o-b")', true);
	test(doc, doc, 'contains("foo-bar", "b-o")', false);
	test(doc, doc, 'substring-before("foo::bar", "::")', 'foo');
	test(doc, doc, 'substring-before("foo::bar", "--")', '');
	test(doc, doc, 'substring-after("foo::bar", "::")', 'bar');
	test(doc, doc, 'substring-after("foo::bar", "--")', '');
	test(doc, doc, 'substring("12345", 2)', '2345');
	test(doc, doc, 'substring("12345", 2, 3)', '234');
	test(doc, doc, 'substring("12345", 1.5, 2.6)', '234');
	test(doc, doc, 'substring("12345", 0, 3)', '12');
	test(doc, doc, 'substring("12345", 0 div 0, 3)', '');
	test(doc, doc, 'substring("12345", 1, 0 div 0)', '');
	test(doc, doc, 'substring("12345", -42, 1 div 0)', '12345');
	test(doc, doc, 'substring("12345", -1 div 0, 1 div 0)', '');
	test(doc, doc, 'substring("12345", 6, 1)', '');
	test(doc, doc, 'substring("12345", 1, 0)', '');
	test(doc, doc, 'string-length("12345")', 5);
	test(doc, doc, '//para[string-length()=5]', [PARA3]);
	test(doc, doc, 'normalize-space(" one two ")', 'one two');
	test(doc, doc, '//para[normalize-space() = "Four"]', [PARA4]);
	test(doc, doc, 'translate("abcdef", "abcde", "xyz")', 'xyzf');

	doc = (new DOMParser).parseFromString(
	'<doc id="0">' +
	'<para id="1" />' +
	'<para id="2" xml:lang="en">' +
	'<item id="3" />' +
	'English' +
	'<section id="4" xml:lang="jp">' +
	'<item id="5" />' +
	'Nihongo' +
	'</section>' +
	'</para>' +
	'<para id="6" xml:lang="EN">' +
	'ENGLISH' +
	'</para>' +
	'<para id="7" xml:lang="en-us">' +
	'US English' +
	'</para>' +
	'<para id="8" xml:lang="EN-UK">' +
	'UK English' +
	'</para>' +
	'</doc>',
	'application/xml');

	var ROOT = doc.documentElement;
	var PARA1 = ROOT.firstChild;
	var PARA2 = PARA1.nextSibling;
	var ITEM3 = PARA2.firstChild;
	var SECTION4 = ITEM3.nextSibling.nextSibling;
	var ITEM5 = SECTION4.firstChild;
	var PARA6 = PARA2.nextSibling;
	var PARA7 = PARA6.nextSibling;
	var PARA8 = PARA7.nextSibling;

	test(doc, doc, 'boolean(1)', true);
	test(doc, doc, 'boolean(0)', false);
	test(doc, doc, 'boolean(0 div 0)', false);
	test(doc, doc, 'boolean(cod)', false);
	test(doc, doc, 'boolean(doc)', true);
	test(doc, doc, 'boolean("")', false);
	test(doc, doc, 'boolean("foo")', true);
	test(doc, doc, 'not(1 = 1)', false);
	test(doc, doc, 'true()', true);
	test(doc, doc, 'false()', false);
	test(doc, doc, '//*[lang("en")]', [PARA2, ITEM3, PARA6, PARA7, PARA8]);
	test(doc, doc, '//*[lang("EN-US")]', [PARA7]);
	test(doc, doc, 'normalize-space((//text()[lang("jp")])[normalize-space()])', 'Nihongo');

	doc = (new DOMParser).parseFromString(
	'<doc>' +
	'<item>1</item>' +
	'<item>2</item>' +
	'<item>3</item>' +
	'</doc>',
	'application/xml');

	test(doc, doc, 'string(number("-1e5"))', 'NaN'); // This test originally checked for successful parsing, but -1e5 is not a valid XPath number.
	test(doc, doc, 'number(true())', 1);
	test(doc, doc, 'number(false())', 0);
	test(doc, doc, 'number(//item)', 1);
	test(doc, doc, 'string(//item[number()=4 div 2])', '2');
	test(doc, doc, 'sum(//item)', 6);
	test(doc, doc, 'floor(1.99)', 1);
	test(doc, doc, 'floor(-1.99)', -2);
	test(doc, doc, 'ceiling(1.99)', 2);
	test(doc, doc, 'ceiling(-1.99)', -1);
	test(doc, doc, 'round(1.5)', 2);
	test(doc, doc, 'round(-1.5)', -1);
	test(doc, doc, 'string(round(0 div 0))', 'NaN');
	test(doc, doc, 'round(1 div 0)', 1 / 0);
	test(doc, doc, 'round(-1 div 0)', -1 / 0);

	// The below tests are added for WebKit to complement the -1e5 test above.
	test(doc, doc, 'number(".1")', 0.1);
	test(doc, doc, 'number("1.")', 1);
	test(doc, doc, 'string(number(".1."))', 'NaN');
	test(doc, doc, 'string(number("..1"))', 'NaN');
	test(doc, doc, 'string(number("1.."))', 'NaN');
	test(doc, doc, 'string(number(".-1"))', 'NaN');

	</script>
	<script src="../../../resources/js-test-post.js"></script>
	</body>
	</html>