third_party/WebKit/LayoutTests/fast/events/touch/script-tests/document-create-touch-list.js

   1 description("This tests support for the document.createTouchList API.");
   2
   3 shouldBeTrue('"createTouchList" in document');
   4
   5 // Test createTouchList with no arguments.
   6 var touchList = document.createTouchList();
   7 shouldBeNonNull("touchList");
   8 shouldBe("touchList.length", "0");
   9 shouldBeNull("touchList.item(0)");
  10 shouldBeNull("touchList.item(1)");
  11 shouldThrow("touchList.item()");
  12
  13 // Test createTouchList with Touch objects as arguments.
  14 try {
  15     var t = document.createTouch(window, document.body, 12341, 60, 65, 100, 105);
  16     var t2 = document.createTouch(window, document.body, 12342, 50, 55, 115, 120);
  17     var tl = document.createTouchList(t, t2);
  18
  19     var evt = document.createEvent("TouchEvent");
  20     evt.initTouchEvent(tl, tl, tl, "touchstart", window, 0, 0, 0, 0, true, false, false, false);
  21
  22     document.body.addEventListener("touchstart", function handleTouchStart(ev) {
  23         ts = ev;
  24         shouldBeTrue("ts instanceof TouchEvent");
  25         shouldBeTrue("ts.touches instanceof TouchList");
  26         shouldBe("ts.touches.length", "2");
  27         shouldBeTrue("ts.touches[0] instanceof Touch");
  28         shouldBe("ts.touches[0].identifier", "12341");
  29         shouldBe("ts.touches[0].clientX", "60");
  30         shouldBe("ts.touches[1].screenY", "120");
  31         shouldBe("ts.ctrlKey", "true");
  32     });
  33
  34     document.body.dispatchEvent(evt);
  35 } catch(e) {
  36     testFailed("An exception was thrown: " + e.message);
  37 }
  38
  39 // Test createTouchList with invalid arguments which throws exceptions.
  40 try {
  41     var tl = document.createTouchList(1, 2);
  42 } catch(e) {
  43     testPassed("An exception was thrown: " + e.message);
  44 }
  45 isSuccessfullyParsed();
  46