| // Check a Touch object's attributes for existence and correct type |
| // TA: 1.1.2, 1.1.3 |
| function check_Touch_object(t) { |
| assert_equals(Object.prototype.toString.call(t), "[object Touch]", "touch is of type Touch"); |
| [ |
| ["long", "identifier"], |
| ["EventTarget", "target"], |
| ["long", "screenX"], |
| ["long", "screenY"], |
| ["long", "clientX"], |
| ["long", "clientY"], |
| ["long", "pageX"], |
| ["long", "pageY"], |
| ["long", "radiusX"], |
| ["long", "radiusY"], |
| ["long", "rotationAngle"], |
| ["long", "force"], |
| ].forEach(function(attr) { |
| var type = attr[0]; |
| var name = attr[1]; |
| |
| // existence check |
| assert_true(name in t, name + " attribute in Touch object"); |
| |
| // type check |
| switch (type) { |
| case "long": |
| assert_equals(typeof t[name], "number", name + " attribute of type long"); |
| break; |
| case "EventTarget": |
| // An event target is some type of Element |
| assert_true(t[name] instanceof Element, "EventTarget must be an Element."); |
| break; |
| default: |
| break; |
| } |
| }); |
| } |
| |
| // Check a TouchList object's attributes and methods for existence and proper type |
| // Also make sure all of the members of the list are Touch objects |
| // TA: 1.2.1, 1.2.2, 1.2.5, 1.2.6 |
| function check_TouchList_object(tl) { |
| assert_equals(Object.prototype.toString.call(tl), "[object TouchList]", "touch list is of type TouchList"); |
| [ |
| ["unsigned long", "length"], |
| ["function", "item"], |
| ].forEach(function(attr) { |
| var type = attr[0]; |
| var name = attr[1]; |
| |
| // existence check |
| assert_true(name in tl, name + " attribute in TouchList"); |
| |
| // type check |
| switch (type) { |
| case "unsigned long": |
| assert_equals(typeof tl[name], "number", name + " attribute of type long"); |
| break; |
| case "function": |
| assert_equals(typeof tl[name], "function", name + " attribute of type function"); |
| break; |
| default: |
| break; |
| } |
| }); |
| // Each member of tl should be a proper Touch object |
| for (var i = 0; i < tl.length; i++) { |
| check_Touch_object(tl.item(i)); |
| } |
| // TouchList.item(x) should return null if x is >= TouchList.length |
| var t = tl.item(tl.length); |
| assert_equals(t, null, "TouchList.item returns null if the index is >= the length of the list"); |
| } |
| |
| // Check a TouchEvent event's attributes for existence and proper type |
| // Also check that each of the event's TouchList objects are valid |
| // TA: 1.{3,4,5}.1.1, 1.{3,4,5}.1.2 |
| function check_TouchEvent(ev) { |
| assert_true(ev instanceof TouchEvent, ev.type + " event is a TouchEvent event"); |
| [ |
| ["TouchList", "touches"], |
| ["TouchList", "targetTouches"], |
| ["TouchList", "changedTouches"], |
| ["boolean", "altKey"], |
| ["boolean", "metaKey"], |
| ["boolean", "ctrlKey"], |
| ["boolean", "shiftKey"], |
| ].forEach(function(attr) { |
| var type = attr[0]; |
| var name = attr[1]; |
| // existence check |
| assert_true(name in ev, name + " attribute in " + ev.type + " event"); |
| // type check |
| switch (type) { |
| case "boolean": |
| assert_equals(typeof ev[name], "boolean", name + " attribute of type boolean"); |
| break; |
| case "TouchList": |
| assert_equals(Object.prototype.toString.call(ev[name]), "[object TouchList]", name + " attribute of type TouchList"); |
| break; |
| default: |
| break; |
| } |
| }); |
| } |