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Change interface. Fix newline test. Add ability to view test code sni…
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…ppets. Add info section for every test.
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Juriy Zaytsev committed Dec 9, 2008
1 parent c51e649 commit 4b6f634
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Showing 4 changed files with 341 additions and 144 deletions.
103 changes: 58 additions & 45 deletions feature_tests.js
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Expand Up @@ -30,24 +30,27 @@ SOFTWARE.
var bugs = { };

// Safari returns "function" as typeof HTMLCollection
(function(){
features.TYPEOF_NODELIST_IS_FUNCTION = (typeof document.getElementsByTagName('*') == 'function');
bugs.TYPEOF_NODELIST_IS_FUNCTION = (bugs.__TYPEOF_NODELIST_IS_FUNCTION = function(){
return (typeof document.getElementsByTagName('*') == 'function');
})();

// IE returns comment nodes in getElementsByTagName results
(function(){
if (isHostMethod(document, 'createElement')) {
bugs.GETELEMENTSBYTAGNAME_RETURNS_COMMENT_NODES = (bugs.__GETELEMENTSBYTAGNAME_RETURNS_COMMENT_NODES = function(){
if (document.createElement) {
var el = document.createElement('div');
var buggy = false;
el.innerHTML = '<span>a</span><!--b-->';
var lastNode = el.getElementsByTagName('*')[1];
bugs.GETELEMENTSBYTAGNAME_RETURNS_COMMENT_NODES = !!(lastNode && lastNode.nodeType === 8);
buggy = !!(lastNode && lastNode.nodeType === 8);
el = lastNode = null;
return buggy;
}
return null;
})();

// name attribute can not be set at run time in IE
// http://msdn.microsoft.com/en-us/library/ms536389.aspx
(function(){
(bugs.__SETATTRIBUTE_IGNORES_NAME_ATTRIBUTE = function(){
var elForm = document.createElement('form');
var elInput = document.createElement('input');
var root = document.documentElement;
Expand All @@ -60,62 +63,67 @@ SOFTWARE.
elForm = elInput = null;
})();

(function(){
var el = document.createElement('div');
bugs.ELEMENT_PROPERTIES_ARE_ATTRIBUTES = (bugs.__ELEMENT_PROPERTIES_ARE_ATTRIBUTES = function(){
var el = document.createElement('div'),
buggy = false;
el.__foo = 'bar';
bugs.ELEMENT_PROPERTIES_ARE_ATTRIBUTES = (el.getAttribute('__foo') === 'bar');
buggy = (el.getAttribute('__foo') === 'bar');
el = null;
return buggy;
})();

(function(){
features.IS_TRANSFORMATION_SUPPORTED = (features.__IS_TRANSFORMATION_SUPPORTED = function(){
var el = document.createElement('div');
features.IS_TRANSFORMATION_SUPPORTED = ('WebkitTransform' in el.style) || ('MozTransform' in el.style);
var isSupported = ('WebkitTransform' in el.style) || ('MozTransform' in el.style);
el = null;
return isSupported;
})();

features.IS_TAGNAME_UPPERCASED = /[A-Z]/.test(document.documentElement.tagName);
features.IS_TAGNAME_UPPERCASED = (features.__IS_TAGNAME_UPPERCASED = function(){
return /[A-Z]/.test(document.documentElement.tagName);
})();

(function(){
bugs.QUERY_SELECTOR_IGNORES_CAPITALIZED_VALUES = (bugs.__QUERY_SELECTOR_IGNORES_CAPITALIZED_VALUES = function(){
var el = document.createElement('div'),
el2 = document.createElement('span');
el2 = document.createElement('span'),
isBuggy = false;
el2.className = 'Test';
el.appendChild(el2);
bugs.QUERY_SELECTOR_IGNORES_CAPITALIZED_VALUES = ('querySelector' in el)
? (el.querySelector('.Test') !== null)
: null;
isBuggy = ('querySelector' in el) ? (el.querySelector('.Test') !== null) : null;
el = el2 = null;
return isBuggy;
})();

features.ARRAY_PROTOTYPE_SLICE_CAN_CONVERT_NODELIST_TO_ARRAY = (function(){
features.ARRAY_PROTOTYPE_SLICE_CAN_CONVERT_NODELIST_TO_ARRAY = (features.__ARRAY_PROTOTYPE_SLICE_CAN_CONVERT_NODELIST_TO_ARRAY = function(){
try {
return (Array.prototype.slice.call(document.forms, 0) instanceof Array);
} catch(e) { };
return false;
})();

features.EVENT_HANDLERS_ARE_FIFO = (function(){
features.EVENT_HANDLERS_ARE_FIFO = (features.__EVENT_HANDLERS_ARE_FIFO = function(){
function addEvent(element, name, handler) {
if (element.addEventListener) {
element.addEventListener(name, handler, false);
}
else if (element.attachEvent) {
element.attachEvent("on" + name, handler);
}
};
}
function removeEvent(element, name, handler) {
if (element.removeEventListener) {
element.removeEventListener(name, handler, false);
}
else if (element.detachEvent) {
element.detachEvent("on" + name, handler);
}
};
}
function handler1() {
a.push(1);
};
}
function handler2() {
a.push(2);
};
}
var f = document.createElement('form'), a = [];
f.action = '';
addEvent(f, 'reset', handler1);
Expand All @@ -127,7 +135,7 @@ SOFTWARE.
return (a[0] === 1);
})();

features.WINDOW_EVAL_EVALUATES_IN_GLOBAL_SCOPE = (function(){
features.WINDOW_EVAL_EVALUATES_IN_GLOBAL_SCOPE = (features.__WINDOW_EVAL_EVALUATES_IN_GLOBAL_SCOPE = function(){
var fnId = '__eval' + Number(new Date()),
passed = false;

Expand Down Expand Up @@ -164,7 +172,9 @@ SOFTWARE.
}
})();

bugs.STRING_PROTOTYPE_REPLACE_IGNORES_FUNCTIONS = ('a'.replace('a', function(){ return '' }).length !== 0);
bugs.STRING_PROTOTYPE_REPLACE_IGNORES_FUNCTIONS = (bugs.__STRING_PROTOTYPE_REPLACE_IGNORES_FUNCTIONS = function(){
return ('a'.replace('a', function(){ return '' }).length !== 0);
})();

bugs.ARRAY_PROTOTYPE_CONCAT_ARGUMENTS_BUGGY = (function(){
if (arguments instanceof Array) {
Expand All @@ -173,44 +183,48 @@ SOFTWARE.
return null;
})(1,2);

features.ARGUMENTS_INSTANCEOF_ARRAY = (function(){ return arguments instanceof Array; })();
features.ARGUMENTS_INSTANCEOF_ARRAY = (features.__ARGUMENTS_INSTANCEOF_ARRAY = function(){
return arguments instanceof Array;
})();

bugs.PROPERTIES_SHADOWING_SAMENAMED_DONTENUM_ONES_ARE_ENUMERABLE = (function(){
bugs.PROPERTIES_SHADOWING_DONTENUM_ARE_ENUMERABLE = (bugs.__PROPERTIES_SHADOWING_DONTENUM_ARE_ENUMERABLE = function(){
for (var prop in { toString: true }) {
return false;
}
return true;
})();

bugs.IS_REGEXP_WHITESPACE_CHARACTER_CLASS_BUGGY = (function(){
bugs.IS_REGEXP_WHITESPACE_CHARACTER_CLASS_BUGGY = (bugs.__IS_REGEXP_WHITESPACE_CHARACTER_CLASS_BUGGY = function(){
var s = "\x09\x0B\x0C\x20\xA0\x0A\x0D\u2028\u2029";
if (s.replace) {
return s.replace(/\s+/, '').length !== 0;
}
return null;
})();

bugs.IS_STRING_PROTOTYPE_REPLACE_REGEXP_BUGGY = (function(){
bugs.IS_STRING_PROTOTYPE_REPLACE_REGEXP_BUGGY = (bugs.__IS_STRING_PROTOTYPE_REPLACE_REGEXP_BUGGY = function(){
var s = 'a_b';
if (s.split) {
return s.split(/(_)/).length !== 3;
}
return null;
})();

bugs.NEWLINES_IGNORED_AS_INNERHTML_OF_PRE_ELEMENT = (function(){
var element = document.createElement('pre'),
isIgnored = false;
if (element) {
element.innerHTML = 'a\nb';
isIgnored = (element.innerHTML.charAt(1) !== '\n');
element = null;
return isIgnored;
}
return null;
bugs.PRE_ELEMENTS_IGNORE_NEWLINES = (bugs.__PRE_ELEMENTS_IGNORE_NEWLINES = function(){
var el = document.createElement('pre');
var root = document.documentElement;
el.appendChild(document.createTextNode('xx'));
root.appendChild(el);
var initialHeight = el.offsetHeight;
el.firstChild.nodeValue = 'x\nx';
// check if `offsetHeight` changed after adding '\n' to the value
var isIgnored = (el.offsetHeight === initialHeight);
root.removeChild(el);
el = null;
return isIgnored;
})();

bugs.SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
bugs.SELECT_ELEMENT_INNERHTML_BUGGY = (bugs.__SELECT_ELEMENT_INNERHTML_BUGGY = function(){
var el = document.createElement('select'),
isBuggy = true;
if (el) {
Expand All @@ -224,7 +238,7 @@ SOFTWARE.
return null;
})();

bugs.TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
bugs.TABLE_ELEMENT_INNERHTML_BUGGY = (bugs.__TABLE_ELEMENT_INNERHTML_BUGGY = function(){
var isBuggy = true;
try {
var el = document.createElement('table');
Expand All @@ -240,7 +254,7 @@ SOFTWARE.
return null;
})();

bugs.SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function(){
bugs.SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (bugs.__SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = function(){
var s = document.createElement('script'),
passed = false;
try {
Expand All @@ -251,7 +265,7 @@ SOFTWARE.
return !passed;
})();

bugs.DOCUMENT_GETELEMENTBYID_CONFUSES_IDS_WITH_NAMES = (function(){
bugs.DOCUMENT_GETELEMENTBYID_CONFUSES_IDS_WITH_NAMES = (bugs.__DOCUMENT_GETELEMENTBYID_CONFUSES_IDS_WITH_NAMES = function(){

// need to feature test all these DOM methods before calling them
var num = Number(new Date()),
Expand All @@ -275,7 +289,7 @@ SOFTWARE.
return isBuggy;
})();

bugs.DOCUMENT_GETELEMENTBYID_IGNORES_CASE = (function(){
bugs.DOCUMENT_GETELEMENTBYID_IGNORES_CASE = (bugs.__DOCUMENT_GETELEMENTBYID_IGNORES_CASE = function(){
var el = document.createElement('script'),
head = document.getElementsByTagName('head')[0];
el.type = 'text/javascript';
Expand All @@ -289,5 +303,4 @@ SOFTWARE.

this.__features = features;
this.__bugs = bugs;

})();

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