1 files changed, 96 insertions, 0 deletions
diff --git a/tests/wpt/css-tests/css-values-3_dev/xhtml1/reference/support/helper.js b/tests/wpt/css-tests/css-values-3_dev/xhtml1/reference/support/helper.js
new file mode 100644
index 00000000000..242cd3ca635
--- /dev/null
+++ b/tests/wpt/css-tests/css-values-3_dev/xhtml1/reference/support/helper.js
@@ -0,0 +1,96 @@
+// 
+// Simple Helper Functions For Testing CSS
+// 
+
+(function(root) {
+'use strict';
+
+// serialize styles object and dump to dom
+// appends <style id="dynamic-style"> to <head>
+// setStyle("#some-selector", {"some-style" : "value"})
+// setStyle({"#some-selector": {"some-style" : "value"}})
+root.setStyle = function(selector, styles) {
+    var target = document.getElementById('dynamic-style');
+    if (!target) {
+        target = document.createElement('style');
+        target.id = 'dynamic-style';
+        target.type = "text/css";
+        document.getElementsByTagName('head')[0].appendChild(target);
+    }
+    
+    var data = [];
+    // single selector/styles
+    if (typeof selector === 'string' && styles !== undefined) {
+        data = [selector, '{', serializeStyles(styles), '}'];
+        target.textContent = data.join("\n");
+        return;
+    }
+    // map of selector/styles
+    for (var key in selector) {
+        if (Object.prototype.hasOwnProperty.call(selector, key)) {
+            var _data = [key, '{', serializeStyles(selector[key]), '}'];
+            data.push(_data.join('\n'));
+        }
+    }
+
+    target.textContent = data.join("\n");
+};
+
+function serializeStyles(styles) {
+    var data = [];
+    for (var property in styles) {
+        if (Object.prototype.hasOwnProperty.call(styles, property)) {
+            var prefixedProperty = addVendorPrefix(property);
+            data.push(prefixedProperty + ":" + styles[property] + ";");
+        }
+    }
+    
+    return data.join('\n');
+}
+
+
+// shorthand for computed style
+root.computedStyle = function(element, property, pseudo) {
+    var prefixedProperty = addVendorPrefix(property);
+    return window
+        .getComputedStyle(element, pseudo || null)
+        .getPropertyValue(prefixedProperty);
+};
+
+// flush rendering buffer
+root.reflow = function() {
+    document.body.offsetWidth;
+};
+
+// merge objects
+root.extend = function(target /*, ..rest */) {
+    Array.prototype.slice.call(arguments, 1).forEach(function(obj) {
+        Object.keys(obj).forEach(function(key) {
+            target[key] = obj[key];
+        });
+    });
+
+    return target;
+};
+
+// dom fixture helper ("resetting dom test elements")
+var _domFixture;
+var _domFixtureSelector;
+root.domFixture = function(selector) {
+    var fixture = document.querySelector(selector || _domFixtureSelector);
+    if (!fixture) {
+        throw new Error('fixture ' + (selector || _domFixtureSelector) + ' not found!');
+    }
+    if (!_domFixture && selector) {
+        // save a copy
+        _domFixture = fixture.cloneNode(true);
+        _domFixtureSelector = selector;
+    } else if (_domFixture) {
+        // restore the copy
+        var tmp = _domFixture.cloneNode(true);
+        fixture.parentNode.replaceChild(tmp, fixture);
+    } else {
+        throw new Error('domFixture must be initialized first!');
+    }
+};
+})(window);