setup({explicit_done: true}); var debug = document.getElementById("debug"); function debug_print (x) { /* uncomment below statement to show debug messages */ // document.getElementById("debug").innerHTML += x; } var starting_elements = {}; function check_list_subset_of_targetlist(list, list_name, targetlist, targetlist_name) { var exist_in_targetlist; for(i=0; i= 1, "changedTouches.length is at least 1"); assert_true(ev.changedTouches.length <= ev.touches.length, "changedTouches.length is smaller than touches.length"); check_list_subset_of_targetlist(ev.changedTouches, "changedTouches", ev.touches, "touches"); }, "touchstart #" + touchstart_received + ": changedTouches is a subset of touches"); // TA: 1.3.3.2, 1.3.3.3 test(function() { assert_true(ev.targetTouches.length >= 1, "targetTouches.length is at least 1"); assert_true(ev.targetTouches.length <= ev.touches.length, "targetTouches.length is smaller than touches.length"); check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.touches, "touches"); }, "touchstart #" + touchstart_received + ": targetTouches is a subset of touches"); // TA: 1.3.3.9 test(function() { check_targets(ev.targetTouches, ev.target); }, "touchstart #" + touchstart_received + ": targets of targetTouches are correct"); // TA: 1.3.4.2 test(function() { assert_true(ev.touches.length >= 1, "touches.length is at least 1"); }, "touchstart #" + touchstart_received + ": touches.length is valid"); if(touchstart_received == 1) { // TA: 1.3.3.5, 1.3.3.7 test(function() { assert_true(ev.targetTouches.length <= ev.changedTouches.length, "targetTouches.length is smaller than changedTouches.length"); check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.changedTouches, "changedTouches"); }, "touchstart #" + touchstart_received + ": targetTouches is a subset of changedTouches"); // TA: 1.3.4.3 test(function() { assert_true(ev.touches.length==ev.changedTouches.length, "touches and changedTouches have the same length"); }, "touchstart #" + touchstart_received + ": touches and changedTouches have the same length"); } else { // TA: 1.3.3.6 test(function() { var diff_in_targetTouches = ev.targetTouches.length - (last_targetTouches[ev.target.id] ? last_targetTouches[ev.target.id].length : 0); assert_true(diff_in_targetTouches > 0, "targetTouches.length is larger than last received targetTouches.length"); assert_true(diff_in_targetTouches <= ev.changedTouches.length, "change in targetTouches.length is smaller than changedTouches.length"); }, "touchstart #" + touchstart_received + ": change in targetTouches.length is valid"); // TA: 1.3.3.8 test(function() { assert_true(is_at_least_one_item_in_targetlist(ev.targetTouches, ev.changedTouches), "at least one item of targetTouches is in changedTouches"); }, "touchstart #" + touchstart_received + ": at least one targetTouches item in changedTouches"); // TA: 1.3.4.4 test(function() { var diff_in_touches = ev.touches.length - last_touches.length; assert_true(diff_in_touches > 0, "touches.length is larger than last received touches.length"); assert_true(diff_in_touches == ev.changedTouches.length, "change in touches.length equals changedTouches.length"); }, "touchstart #" + touchstart_received + ": change in touches.length is valid"); // TA: 1.3.4.5 test(function() { check_list_subset_of_two_targetlists(ev.touches, "touches", ev.changedTouches, "changedTouches", last_touches, "last touches"); }, "touchstart #" + touchstart_received + ": touches is subset of {changedTouches, last received touches}"); } // save starting element of each new touch point for (i=0; i0, "touchmove follows touchstart"); // assert_false(touchend_received, "touchmove precedes touchend"); // this applies to scenario tests }); test_touchmove.done(); touchmove_received++; // do the detailed checking only for a few times if(touchmove_received<6) { // TA: 1.4.2.2, 1.4.2.4 test(function() { assert_true(ev.changedTouches.length >= 1, "changedTouches.length is at least 1"); assert_true(ev.changedTouches.length <= ev.touches.length, "changedTouches.length is smaller than touches.length"); check_list_subset_of_targetlist(ev.changedTouches, "changedTouches", ev.touches, "touches"); }, "touchmove #" + touchmove_received + ": changedTouches is a subset of touches"); // TA: 1.4.3.2, 1.4.3.4 test(function() { assert_true(ev.targetTouches.length >= 1, "targetTouches.length is at least 1"); assert_true(ev.targetTouches.length <= ev.touches.length, "targetTouches.length is smaller than touches.length"); check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.touches, "touches"); }, "touchmove #" + touchmove_received + ": targetTouches is a subset of touches"); // TA: 1.4.3.6 test(function() { assert_true(is_at_least_one_item_in_targetlist(ev.targetTouches, ev.changedTouches), "at least one item of targetTouches is in changedTouches"); }, "touchmove #" + touchmove_received + ": at least one targetTouches item in changedTouches"); // TA: 1.4.3.8 test(function() { check_targets(ev.targetTouches, ev.target); }, "touchmove #" + touchmove_received + ": targets of targetTouches are correct"); // TA: 1.4.4.2 test(function() { assert_true(ev.touches.length==last_touches.length, "length of touches is same as length of last received touches"); check_list_subset_of_targetlist(ev.touches, "touches", last_touches, "last received touches"); }, "touchmove #" + touchmove_received + ": touches must be same as last received touches"); // TA: 1.6.3 check_starting_elements(ev.changedTouches); } last_touches = ev.touches; last_targetTouches[ev.target.id] = ev.targetTouches; last_changedTouches = {}; // changedTouches are only saved for touchend events }); on_event(window, "touchend", function onTouchEnd(ev) { // process event only if it's targeted at target0 or target1 if(ev.target != target0 && ev.target != target1 ) return; test_touchend.step(function() { assert_true(touchstart_received>0, "touchend follows touchstart"); }); test_touchend.done(); touchend_received++; debug_print("touchend #" + touchend_received + ":
"); debug_print("changedTouches.length=" + ev.changedTouches.length + "
"); debug_print("targetTouches.length=" + ev.targetTouches.length + "
"); debug_print("touches.length=" + ev.touches.length + "
"); for(i=0; i"); // TA: 1.5.2.2 test(function() { assert_true(ev.changedTouches.length >= 1, "changedTouches.length is at least 1"); }, "touchend #" + touchend_received + ": length of changedTouches is valid"); // TA: 1.5.2.3 test(function() { check_list_subset_of_targetlist(ev.changedTouches, "changedTouches", last_touches, "last received touches"); }, "touchend #" + touchend_received + ": changedTouches is a subset of last received touches"); // TA: 1.5.2.4, 1.5.2.5 test(function() { check_no_item_in_targetlist(ev.changedTouches, "changedTouches", ev.touches, "touches"); check_no_item_in_targetlist(ev.changedTouches, "changedTouches", ev.targetTouches, "targetTouches"); }, "touchend #" + touchend_received + ": no item in changedTouches are in touches or targetTouches"); // TA: 1.5.2.6 test(function() { var found=false; for (i=0; i= 0, "targetTouches.length is non-negative"); assert_true(ev.targetTouches.length <= ev.touches.length, "targetTouches.length is smaller than touches.length"); check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.touches, "touches"); }, "touchend #" + touchend_received + ": targetTouches is a subset of touches"); // TA: 1.5.3.5 (new) test(function() { check_targets(ev.targetTouches, ev.target); }, "touchend #" + touchend_received + ": targets of targetTouches are correct"); // In some cases, when multiple touch points are released simultaneously // the UA would dispatch the "same" touchend event (same changedTouches, same touches, but possibly different targetTouches) // to each of the elements that are starting elements of the released touch points. // in these situations, the subsequent events are exempt from TA 1.5.3.4 and 1.5.4.2 var same_event_as_last = false; if (last_changedTouches && last_changedTouches.length==ev.changedTouches.length) { same_event_as_last = true; // assume true until proven otherwise for (i=0; i 0, "last received targetTouches.length is not zero"); var diff_in_targetTouches = last_targetTouches[ev.target.id].length - ev.targetTouches.length; debug_print("diff_in_targetTouches=" + diff_in_targetTouches + "
"); assert_true(diff_in_targetTouches > 0, "targetTouches.length is smaller than last received targetTouches.length"); assert_true(diff_in_targetTouches <= ev.changedTouches.length, "change in targetTouches.length is smaller than changedTouches.length"); }, "touchend #" + touchend_received + ": change in targetTouches.length is valid"); // TA: 1.5.4.2 // Getting semi-random failures on this and 1.5.3.4. // It looks like if fingers are lifted simultaneously, the "same" touchend event can be dispatched to two target elements // but adapted to the element (same touches, changedTouches but different targetTouches). // When one event is processed after another, ev.touches would end up being identical to last_touches, leading to failure. // Question is why done() does not stop the processing of the latter event. test(function() { assert_true(last_touches.length > 0, "last received touches.length is not zero"); var diff_in_touches = last_touches.length - ev.touches.length; debug_print("diff_in_touches=" + diff_in_touches + "
"); assert_true(diff_in_touches > 0, "touches.length is smaller than last received touches.length"); assert_equals(diff_in_touches, ev.changedTouches.length, "change in touches.length equals changedTouches.length"); }, "touchend #" + touchend_received + ": change in touches.length is valid"); } // TA: 1.6.4 debug_print("touchend #" + touchend_received + ": TA 1.6.4
"); test(function() { check_starting_elements(ev.changedTouches); }, "touchend #" + touchend_received + ": event dispatched to correct element
"); debug_print("touchend #" + touchend_received + ": saving touch lists
"); last_touches = ev.touches; last_targetTouches[ev.target.id] = ev.targetTouches; last_changedTouches = ev.changedTouches; debug_print("touchend #" + touchend_received + ": done
"); if(ev.touches.length==0) done(); }); on_event(target0, "mousedown", function onMouseDown(ev) { test_mousedown.step(function() { assert_true(touchstart_received, "The touchstart event must be dispatched before any mouse " + "events. (If this fails, it might mean that the user agent does " + "not implement W3C touch events at all.)" ); }); test_mousedown.done(); if (!touchstart_received) { // Abort the tests. If touch events are not supported, then most of // the other event handlers will never be called, and the test will // time out with misleading results. done(); } }); }