Added first round of tests for changing meaning through positioning per

#74

src/js/custom/contentPositioningShouldNotChangeMeaning.js

@@ -0,0 +1,30 @@
+quail.contentPositioningShouldNotChangeMeaning = function() {
+	//Look for absolute positioned elements that are being put into grids or columns
+	var positions = ['top', 'left', 'right', 'bottom'];
+	var coordinates = {};
+	var failed = false;
+	quail.html.find('*:has(*:quailCss(position=absolute))').each(function() {
+		coordinates = {top: {}, left: {}, right: {}, bottom: {}};
+		failed = false;
+		var $container = $(this);
+		$container.find('li, ul, dd, dt').filter(':quailCss(position=absolute)').each(function() {
+			for(var i = 0; i < positions.length; i++) {
+				if(typeof $(this).css(positions[i]) !== 'undefined' && $(this).css(positions[i]) !== 'auto') {
+					if(typeof coordinates[positions[i]][$(this).css(positions[i])] === 'undefined') {
+						coordinates[positions[i]][$(this).css(positions[i])] = 0;
+					}
+					coordinates[positions[i]][$(this).css(positions[i])]++;
+				}
+			}
+		});
+
+		$.each(positions, function() {
+			$.each(coordinates[this], function() {
+				if(this > 2 && !failed) {
+					failed = true;
+					quail.testFails('contentPositioningShouldNotChangeMeaning', $container);
+				}
+			});
+		});
+	});
+};

src/resources/tests.yml

@@ -760,6 +760,32 @@ checkboxLabelIsNearby:
     - "labelProximity"
   options:
     selector: "input[type=checkbox]"
+contentPositioningShouldNotChangeMeaning:
+  type: "custom"
+  testability: 0.5
+  title:
+    en: "Meaning should not be created through positioning"
+  description:
+    en: "Positioning should not be used to change the meaning of an element."
+  guidelines:
+    wcag:
+      1.3.2:
+        techniques:
+          - "C6"
+          - "F1"
+      1.4.5:
+        techniques:
+          - "C6"
+      1.4.9:
+        techniques:
+          - "C6"
+      2.4.1:
+        techniques:
+          - "C6"
+  tags:
+    - "content"
+    - "structure"
+  callback: "contentPositioningShouldNotChangeMeaning"
 cssDocumentMakesSenseStyleTurnedOff:
   type: "selector"
   testability: 0