626 lines
26 KiB
JavaScript
626 lines
26 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* reflect.js is a collection of methods to test HTML attribute reflection.
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* Each of attribute is reflected differently, depending on various parameters,
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* see:
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* http://www.whatwg.org/html/#reflecting-content-attributes-in-idl-attributes
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*
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* Do not forget to add these line at the beginning of each new reflect* method:
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* ok(attr in element, attr + " should be an IDL attribute of this element");
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* is(typeof element[attr], <type>, attr + " IDL attribute should be a <type>");
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*/
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/**
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* Checks that a given attribute is correctly reflected as a string.
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*
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* @param aParameters Object object containing the parameters, which are:
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* - element Element node to test
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* - attribute String name of the attribute
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* OR
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* attribute Object object containing two attributes, 'content' and 'idl'
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* - otherValues Array [optional] other values to test in addition of the default ones
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* - extendedAttributes Object object which can have 'TreatNullAs': "EmptyString"
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*/
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function reflectString(aParameters)
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{
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var element = aParameters.element;
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var contentAttr = typeof aParameters.attribute === "string"
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? aParameters.attribute : aParameters.attribute.content;
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var idlAttr = typeof aParameters.attribute === "string"
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? aParameters.attribute : aParameters.attribute.idl;
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var otherValues = aParameters.otherValues !== undefined
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? aParameters.otherValues : [];
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var treatNullAs = aParameters.extendedAttributes ?
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aParameters.extendedAttributes.TreatNullAs : null;
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ok(idlAttr in element,
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idlAttr + " should be an IDL attribute of this element");
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is(typeof element[idlAttr], "string",
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"'" + idlAttr + "' IDL attribute should be a string");
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// Tests when the attribute isn't set.
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is(element.getAttribute(contentAttr), null,
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"When not set, the content attribute should be null.");
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is(element[idlAttr], "",
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"When not set, the IDL attribute should return the empty string");
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/**
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* TODO: as long as null stringification doesn't follow the WebIDL
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* specifications, don't add it to the loop below and keep it here.
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*/
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element.setAttribute(contentAttr, null);
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is(element.getAttribute(contentAttr), "null",
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"null should have been stringified to 'null' for '" + contentAttr + "'");
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is(element[idlAttr], "null",
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"null should have been stringified to 'null' for '" + idlAttr + "'");
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element.removeAttribute(contentAttr);
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element[idlAttr] = null;
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if (treatNullAs == "EmptyString") {
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is(element.getAttribute(contentAttr), "",
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"null should have been stringified to '' for '" + contentAttr + "'");
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is(element[idlAttr], "",
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"null should have been stringified to '' for '" + idlAttr + "'");
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} else {
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is(element.getAttribute(contentAttr), "null",
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"null should have been stringified to 'null' for '" + contentAttr + "'");
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is(element[idlAttr], "null",
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"null should have been stringified to 'null' for '" + contentAttr + "'");
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}
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element.removeAttribute(contentAttr);
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// Tests various strings.
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var stringsToTest = [
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// [ test value, expected result ]
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[ "", "" ],
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[ "null", "null" ],
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[ "undefined", "undefined" ],
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[ "foo", "foo" ],
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[ contentAttr, contentAttr ],
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[ idlAttr, idlAttr ],
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// TODO: uncomment this when null stringification will follow the specs.
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// [ null, "null" ],
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[ undefined, "undefined" ],
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[ true, "true" ],
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[ false, "false" ],
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[ 42, "42" ],
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// ES5, verse 8.12.8.
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[ { toString: function() { return "foo" } },
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"foo" ],
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[ { valueOf: function() { return "foo" } },
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"[object Object]" ],
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[ { valueOf: function() { return "quux" },
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toString: undefined },
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"quux" ],
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[ { valueOf: function() { return "foo" },
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toString: function() { return "bar" } },
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"bar" ]
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];
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otherValues.forEach(function(v) { stringsToTest.push([v, v]) });
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stringsToTest.forEach(function([v, r]) {
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element.setAttribute(contentAttr, v);
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is(element[idlAttr], r,
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"IDL attribute '" + idlAttr + "' should return the value it has been set to.");
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is(element.getAttribute(contentAttr), r,
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"Content attribute '" + contentAttr + "'should return the value it has been set to.");
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element.removeAttribute(contentAttr);
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element[idlAttr] = v;
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is(element[idlAttr], r,
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"IDL attribute '" + idlAttr + "' should return the value it has been set to.");
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is(element.getAttribute(contentAttr), r,
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"Content attribute '" + contentAttr + "' should return the value it has been set to.");
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element.removeAttribute(contentAttr);
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});
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// Tests after removeAttribute() is called. Should be equivalent with not set.
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is(element.getAttribute(contentAttr), null,
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"When not set, the content attribute should be null.");
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is(element[idlAttr], "",
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"When not set, the IDL attribute should return the empty string");
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}
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/**
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* Checks that a given attribute name for a given element is correctly reflected
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* as an unsigned int.
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*
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* @param aParameters Object object containing the parameters, which are:
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* - element Element node to test on
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* - attribute String name of the attribute
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* - nonZero Boolean whether the attribute should be non-null
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* - defaultValue Integer [optional] default value, if different from the default one
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*/
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function reflectUnsignedInt(aParameters)
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{
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var element = aParameters.element;
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var attr = aParameters.attribute;
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var nonZero = aParameters.nonZero;
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var defaultValue = aParameters.defaultValue;
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var fallback = aParameters.fallback;
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if (defaultValue === undefined) {
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if (nonZero) {
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defaultValue = 1;
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} else {
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defaultValue = 0;
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}
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}
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if (fallback === undefined) {
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fallback = false;
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}
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ok(attr in element, attr + " should be an IDL attribute of this element");
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is(typeof element[attr], "number", attr + " IDL attribute should be a number");
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// Check default value.
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is(element[attr], defaultValue, "default value should be " + defaultValue);
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ok(!element.hasAttribute(attr), attr + " shouldn't be present");
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var values = [ 1, 3, 42, 2147483647 ];
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for (var value of values) {
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element[attr] = value;
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is(element[attr], value, "." + attr + " should be equals " + value);
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is(element.getAttribute(attr), String(value),
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"@" + attr + " should be equals " + value);
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element.setAttribute(attr, value);
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is(element[attr], value, "." + attr + " should be equals " + value);
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is(element.getAttribute(attr), String(value),
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"@" + attr + " should be equals " + value);
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}
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// -3000000000 is equivalent to 1294967296 when using the IDL attribute.
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element[attr] = -3000000000;
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is(element[attr], 1294967296, "." + attr + " should be equals to 1294967296");
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is(element.getAttribute(attr), "1294967296",
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"@" + attr + " should be equals to 1294967296");
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// When setting the content attribute, it's a string so it will be invalid.
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element.setAttribute(attr, -3000000000);
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is(element.getAttribute(attr), "-3000000000",
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"@" + attr + " should be equals to " + -3000000000);
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is(element[attr], defaultValue,
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"." + attr + " should be equals to " + defaultValue);
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// When interpreted as unsigned 32-bit integers, all of these fall between
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// 2^31 and 2^32 - 1, so per spec they return the default value.
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var nonValidValues = [ -2147483648, -1, 3147483647];
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for (var value of nonValidValues) {
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element[attr] = value;
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is(element.getAttribute(attr), String(defaultValue),
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"@" + attr + " should be equals to " + defaultValue);
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is(element[attr], defaultValue,
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"." + attr + " should be equals to " + defaultValue);
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}
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for (var values of nonValidValues) {
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element.setAttribute(attr, values[0]);
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is(element.getAttribute(attr), String(values[0]),
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"@" + attr + " should be equals to " + values[0]);
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is(element[attr], defaultValue,
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"." + attr + " should be equals to " + defaultValue);
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}
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// Setting to 0 should throw an error if nonZero is true.
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var caught = false;
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try {
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element[attr] = 0;
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} catch(e) {
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caught = true;
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is(e.name, "IndexSizeError", "exception should be IndexSizeError");
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is(e.code, DOMException.INDEX_SIZE_ERR, "exception code should be INDEX_SIZE_ERR");
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}
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if (nonZero && !fallback) {
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ok(caught, "an exception should have been caught");
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} else {
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ok(!caught, "no exception should have been caught");
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}
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// If 0 is set in @attr, it will be ignored when calling .attr.
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element.setAttribute(attr, "0");
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is(element.getAttribute(attr), "0", "@" + attr + " should be equals to 0");
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if (nonZero) {
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is(element[attr], defaultValue,
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"." + attr + " should be equals to " + defaultValue);
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} else {
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is(element[attr], 0, "." + attr + " should be equals to 0");
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}
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}
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/**
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* Checks that a given attribute is correctly reflected as limited to known
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* values enumerated attribute.
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*
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* @param aParameters Object object containing the parameters, which are:
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* - element Element node to test on
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* - attribute String name of the attribute
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* OR
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* attribute Object object containing two attributes, 'content' and 'idl'
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* - validValues Array valid values we support
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* - invalidValues Array invalid values
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* - defaultValue String [optional] default value when no valid value is set
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* OR
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* defaultValue Object [optional] object containing two attributes, 'invalid' and 'missing'
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* - unsupportedValues Array [optional] valid values we do not support
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* - nullable boolean [optional] whether the attribute is nullable
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*/
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function reflectLimitedEnumerated(aParameters)
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{
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var element = aParameters.element;
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var contentAttr = typeof aParameters.attribute === "string"
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? aParameters.attribute : aParameters.attribute.content;
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var idlAttr = typeof aParameters.attribute === "string"
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? aParameters.attribute : aParameters.attribute.idl;
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var validValues = aParameters.validValues;
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var invalidValues = aParameters.invalidValues;
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var defaultValueInvalid = aParameters.defaultValue === undefined
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? "" : typeof aParameters.defaultValue === "string"
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? aParameters.defaultValue : aParameters.defaultValue.invalid
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var defaultValueMissing = aParameters.defaultValue === undefined
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? "" : typeof aParameters.defaultValue === "string"
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? aParameters.defaultValue : aParameters.defaultValue.missing
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var unsupportedValues = aParameters.unsupportedValues !== undefined
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? aParameters.unsupportedValues : [];
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var nullable = aParameters.nullable;
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ok(idlAttr in element, idlAttr + " should be an IDL attribute of this element");
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if (nullable) {
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// The missing value default is null, which is typeof == "object"
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is(typeof element[idlAttr], "object", "'" + idlAttr + "' IDL attribute should be null, which has typeof == object");
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is(element[idlAttr], null, "'" + idlAttr + "' IDL attribute should be null");
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} else {
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is(typeof element[idlAttr], "string", "'" + idlAttr + "' IDL attribute should be a string");
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}
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if (nullable) {
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element.setAttribute(contentAttr, "something");
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// Now it will be a string
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is(typeof element[idlAttr], "string", "'" + idlAttr + "' IDL attribute should be a string");
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}
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// Explicitly check the default value.
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element.removeAttribute(contentAttr);
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is(element[idlAttr], defaultValueMissing,
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"When no attribute is set, the value should be the default value.");
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// Check valid values.
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validValues.forEach(function (v) {
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element.setAttribute(contentAttr, v);
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is(element[idlAttr], v,
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"'" + v + "' should be accepted as a valid value for " + idlAttr);
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is(element.getAttribute(contentAttr), v,
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"Content attribute should return the value it has been set to.");
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element.removeAttribute(contentAttr);
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element.setAttribute(contentAttr, v.toUpperCase());
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is(element[idlAttr], v,
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"Enumerated attributes should be case-insensitive.");
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is(element.getAttribute(contentAttr), v.toUpperCase(),
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"Content attribute should not be lower-cased.");
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element.removeAttribute(contentAttr);
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element[idlAttr] = v;
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is(element[idlAttr], v,
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"'" + v + "' should be accepted as a valid value for " + idlAttr);
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is(element.getAttribute(contentAttr), v,
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"Content attribute should return the value it has been set to.");
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element.removeAttribute(contentAttr);
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element[idlAttr] = v.toUpperCase();
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is(element[idlAttr], v,
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"Enumerated attributes should be case-insensitive.");
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is(element.getAttribute(contentAttr), v.toUpperCase(),
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"Content attribute should not be lower-cased.");
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element.removeAttribute(contentAttr);
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});
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// Check invalid values.
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invalidValues.forEach(function (v) {
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element.setAttribute(contentAttr, v);
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is(element[idlAttr], defaultValueInvalid,
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"When the content attribute is set to an invalid value, the default value should be returned.");
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is(element.getAttribute(contentAttr), v,
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"Content attribute should not have been changed.");
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element.removeAttribute(contentAttr);
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element[idlAttr] = v;
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is(element[idlAttr], defaultValueInvalid,
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"When the value is set to an invalid value, the default value should be returned.");
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is(element.getAttribute(contentAttr), v,
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"Content attribute should not have been changed.");
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element.removeAttribute(contentAttr);
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});
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// Check valid values we currently do not support.
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// Basically, it's like the checks for the valid values but with some todo's.
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unsupportedValues.forEach(function (v) {
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element.setAttribute(contentAttr, v);
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todo_is(element[idlAttr], v,
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"'" + v + "' should be accepted as a valid value for " + idlAttr);
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is(element.getAttribute(contentAttr), v,
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"Content attribute should return the value it has been set to.");
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element.removeAttribute(contentAttr);
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element.setAttribute(contentAttr, v.toUpperCase());
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todo_is(element[idlAttr], v,
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"Enumerated attributes should be case-insensitive.");
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is(element.getAttribute(contentAttr), v.toUpperCase(),
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"Content attribute should not be lower-cased.");
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element.removeAttribute(contentAttr);
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element[idlAttr] = v;
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todo_is(element[idlAttr], v,
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"'" + v + "' should be accepted as a valid value for " + idlAttr);
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is(element.getAttribute(contentAttr), v,
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"Content attribute should return the value it has been set to.");
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element.removeAttribute(contentAttr);
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element[idlAttr] = v.toUpperCase();
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todo_is(element[idlAttr], v,
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"Enumerated attributes should be case-insensitive.");
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is(element.getAttribute(contentAttr), v.toUpperCase(),
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"Content attribute should not be lower-cased.");
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element.removeAttribute(contentAttr);
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});
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if (nullable) {
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is(defaultValueMissing, null,
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"Missing default value should be null for nullable attributes");
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ok(validValues.length > 0, "We better have at least one valid value");
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element.setAttribute(contentAttr, validValues[0]);
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ok(element.hasAttribute(contentAttr),
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"Should have content attribute: we just set it");
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element[idlAttr] = null;
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ok(!element.hasAttribute(contentAttr),
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"Should have removed content attribute");
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}
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}
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/**
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* Checks that a given attribute is correctly reflected as a boolean.
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*
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* @param aParameters Object object containing the parameters, which are:
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* - element Element node to test on
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* - attribute String name of the attribute
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* OR
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* attribute Object object containing two attributes, 'content' and 'idl'
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*/
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function reflectBoolean(aParameters)
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{
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var element = aParameters.element;
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var contentAttr = typeof aParameters.attribute === "string"
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? aParameters.attribute : aParameters.attribute.content;
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var idlAttr = typeof aParameters.attribute === "string"
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? aParameters.attribute : aParameters.attribute.idl;
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ok(idlAttr in element,
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idlAttr + " should be an IDL attribute of this element");
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is(typeof element[idlAttr], "boolean",
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idlAttr + " IDL attribute should be a boolean");
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// Tests when the attribute isn't set.
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is(element.getAttribute(contentAttr), null,
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"When not set, the content attribute should be null.");
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is(element[idlAttr], false,
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"When not set, the IDL attribute should return false");
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/**
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* Test various values.
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* Each value to test is actually an object containing a 'value' property
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* containing the value to actually test, a 'stringified' property containing
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* the stringified value and a 'result' property containing the expected
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* result when the value is set to the IDL attribute.
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*/
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var valuesToTest = [
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{ value: true, stringified: "true", result: true },
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{ value: false, stringified: "false", result: false },
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{ value: "true", stringified: "true", result: true },
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{ value: "false", stringified: "false", result: true },
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{ value: "foo", stringified: "foo", result: true },
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{ value: idlAttr, stringified: idlAttr, result: true },
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{ value: contentAttr, stringified: contentAttr, result: true },
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{ value: "null", stringified: "null", result: true },
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{ value: "undefined", stringified: "undefined", result: true },
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{ value: "", stringified: "", result: false },
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{ value: undefined, stringified: "undefined", result: false },
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{ value: null, stringified: "null", result: false },
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{ value: +0, stringified: "0", result: false },
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{ value: -0, stringified: "0", result: false },
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{ value: NaN, stringified: "NaN", result: false },
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{ value: 42, stringified: "42", result: true },
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{ value: Infinity, stringified: "Infinity", result: true },
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{ value: -Infinity, stringified: "-Infinity", result: true },
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// ES5, verse 9.2.
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{ value: { toString: function() { return "foo" } }, stringified: "foo",
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result: true },
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{ value: { valueOf: function() { return "foo" } },
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stringified: "[object Object]", result: true },
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{ value: { valueOf: function() { return "quux" }, toString: undefined },
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stringified: "quux", result: true },
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{ value: { valueOf: function() { return "foo" },
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toString: function() { return "bar" } }, stringified: "bar",
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result: true },
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{ value: { valueOf: function() { return false } },
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stringified: "[object Object]", result: true },
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{ value: { foo: false, bar: false }, stringified: "[object Object]",
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result: true },
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{ value: { }, stringified: "[object Object]", result: true },
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];
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valuesToTest.forEach(function(v) {
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element.setAttribute(contentAttr, v.value);
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is(element[idlAttr], true,
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"IDL attribute should return always return 'true' if the content attribute has been set");
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is(element.getAttribute(contentAttr), v.stringified,
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"Content attribute should return the stringified value it has been set to.");
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|
element.removeAttribute(contentAttr);
|
|
|
|
element[idlAttr] = v.value;
|
|
is(element[idlAttr], v.result, "IDL attribute should return " + v.result);
|
|
is(element.getAttribute(contentAttr), v.result ? "" : null,
|
|
v.result ? "Content attribute should return the empty string."
|
|
: "Content attribute should return null.");
|
|
is(element.hasAttribute(contentAttr), v.result,
|
|
v.result ? contentAttr + " should not be present"
|
|
: contentAttr + " should be present");
|
|
element.removeAttribute(contentAttr);
|
|
});
|
|
|
|
// Tests after removeAttribute() is called. Should be equivalent with not set.
|
|
is(element.getAttribute(contentAttr), null,
|
|
"When not set, the content attribute should be null.");
|
|
is(element[contentAttr], false,
|
|
"When not set, the IDL attribute should return false");
|
|
}
|
|
|
|
/**
|
|
* Checks that a given attribute name for a given element is correctly reflected
|
|
* as an signed integer.
|
|
*
|
|
* @param aParameters Object object containing the parameters, which are:
|
|
* - element Element node to test on
|
|
* - attribute String name of the attribute
|
|
* - nonNegative Boolean true if the attribute is limited to 'non-negative numbers', false otherwise
|
|
* - defaultValue Integer [optional] default value, if one exists
|
|
*/
|
|
function reflectInt(aParameters)
|
|
{
|
|
// Expected value returned by .getAttribute() when |value| has been previously passed to .setAttribute().
|
|
function expectedGetAttributeResult(value) {
|
|
return String(value);
|
|
}
|
|
|
|
function stringToInteger(value, nonNegative, defaultValue) {
|
|
// Parse: Ignore leading whitespace, find [+/-][numbers]
|
|
var result = /^[ \t\n\f\r]*([\+\-]?[0-9]+)/.exec(value);
|
|
if (result) {
|
|
var resultInt = parseInt(result[1], 10);
|
|
if ((nonNegative ? 0 : -0x80000000) <= resultInt && resultInt <= 0x7FFFFFFF) {
|
|
// If the value is within allowed value range for signed/unsigned
|
|
// integer, return it -- but add 0 to it to convert a possible -0 into
|
|
// +0, the only zero present in the signed integer range.
|
|
return resultInt + 0;
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
// Expected value returned by .getAttribute(attr) or .attr if |value| has been set via the IDL attribute.
|
|
function expectedIdlAttributeResult(value) {
|
|
// This returns the result of calling the ES ToInt32 algorithm on value.
|
|
return value << 0;
|
|
}
|
|
|
|
var element = aParameters.element;
|
|
var attr = aParameters.attribute;
|
|
var nonNegative = aParameters.nonNegative;
|
|
|
|
var defaultValue = aParameters.defaultValue !== undefined
|
|
? aParameters.defaultValue
|
|
: nonNegative ? -1 : 0;
|
|
|
|
ok(attr in element, attr + " should be an IDL attribute of this element");
|
|
is(typeof element[attr], "number", attr + " IDL attribute should be a number");
|
|
|
|
// Check default value.
|
|
is(element[attr], defaultValue, "default value should be " + defaultValue);
|
|
ok(!element.hasAttribute(attr), attr + " shouldn't be present");
|
|
|
|
/**
|
|
* Test various values.
|
|
* value: The test value that will be set using both setAttribute(value) and
|
|
* element[attr] = value
|
|
*/
|
|
var valuesToTest = [
|
|
// Test numeric inputs up to max signed integer
|
|
0, 1, 55555, 2147483647, +42,
|
|
// Test string inputs up to max signed integer
|
|
"0", "1", "777777", "2147483647", "+42",
|
|
// Test negative numeric inputs up to min signed integer
|
|
-0, -1, -3333, -2147483648,
|
|
// Test negative string inputs up to min signed integer
|
|
"-0", "-1", "-222", "-2147483647", "-2147483648",
|
|
// Test numeric inputs that are outside legal 32 bit signed values
|
|
-2147483649, -3000000000, -4294967296, 2147483649, 4000000000, -4294967297,
|
|
// Test string inputs with extra padding
|
|
" 1111111", " 23456 ",
|
|
// Test non-numeric string inputs
|
|
"", " ", "+", "-", "foo", "+foo", "-foo", "+ foo", "- foo", "+-2", "-+2", "++2", "--2", "hello1234", "1234hello",
|
|
"444 world 555", "why 567 what", "-3 nots", "2e5", "300e2", "42+-$", "+42foo", "-514not", "\vblah", "0x10FFFF", "-0xABCDEF",
|
|
// Test decimal numbers
|
|
1.2345, 42.0, 3456789.1, -2.3456, -6789.12345, -2147483649.1234,
|
|
// Test decimal strings
|
|
"1.2345", "42.0", "3456789.1", "-2.3456", "-6789.12345", "-2147483649.1234",
|
|
// Test special values
|
|
undefined, null, NaN, Infinity, -Infinity,
|
|
];
|
|
|
|
valuesToTest.forEach(function(v) {
|
|
var intValue = stringToInteger(v, nonNegative, defaultValue);
|
|
|
|
element.setAttribute(attr, v);
|
|
|
|
is(element.getAttribute(attr), expectedGetAttributeResult(v), element.localName + ".setAttribute(" +
|
|
attr + ", " + v + "), " + element.localName + ".getAttribute(" + attr + ") ");
|
|
|
|
is(element[attr], intValue, element.localName +
|
|
".setAttribute(" + attr + ", " + v + "), " + element.localName + "[" + attr + "] ");
|
|
element.removeAttribute(attr);
|
|
|
|
if (nonNegative && expectedIdlAttributeResult(v) < 0) {
|
|
try {
|
|
element[attr] = v;
|
|
ok(false, element.localName + "[" + attr + "] = " + v + " should throw IndexSizeError");
|
|
} catch(e) {
|
|
is(e.name, "IndexSizeError", element.localName + "[" + attr + "] = " + v +
|
|
" should throw IndexSizeError");
|
|
is(e.code, DOMException.INDEX_SIZE_ERR, element.localName + "[" + attr + "] = " + v +
|
|
" should throw INDEX_SIZE_ERR");
|
|
}
|
|
} else {
|
|
element[attr] = v;
|
|
is(element[attr], expectedIdlAttributeResult(v), element.localName + "[" + attr + "] = " + v +
|
|
", " + element.localName + "[" + attr + "] ");
|
|
is(element.getAttribute(attr), String(expectedIdlAttributeResult(v)),
|
|
element.localName + "[" + attr + "] = " + v + ", " +
|
|
element.localName + ".getAttribute(" + attr + ") ");
|
|
}
|
|
element.removeAttribute(attr);
|
|
});
|
|
|
|
// Tests after removeAttribute() is called. Should be equivalent with not set.
|
|
is(element.getAttribute(attr), null,
|
|
"When not set, the content attribute should be null.");
|
|
is(element[attr], defaultValue,
|
|
"When not set, the IDL attribute should return default value.");
|
|
}
|
|
|
|
/**
|
|
* Checks that a given attribute is correctly reflected as a url.
|
|
*
|
|
* @param aParameters Object object containing the parameters, which are:
|
|
* - element Element node to test
|
|
* - attribute String name of the attribute
|
|
* OR
|
|
* attribute Object object containing two attributes, 'content' and 'idl'
|
|
*/
|
|
function reflectURL(aParameters)
|
|
{
|
|
var element = aParameters.element;
|
|
var contentAttr = typeof aParameters.attribute === "string"
|
|
? aParameters.attribute : aParameters.attribute.content;
|
|
var idlAttr = typeof aParameters.attribute === "string"
|
|
? aParameters.attribute : aParameters.attribute.idl;
|
|
|
|
element[idlAttr] = "";
|
|
is(element[idlAttr], document.URL, "Empty string should resolve to document URL");
|
|
}
|