4 <p>This test ensures selectstart is fired exactly once when selecting text by a mouse drag.
5 </p><span style='font-size: 50px; padding: 10px;'>hello world
8 var span = document.getElementsByTagName('span')[0];
11 var selectStartCount = 0;
12 span.addEventListener('selectstart', function (event) { selectStartCount++; });
14 function expect(title, expectedCount, expectedType) {
15 document.write(title + ': ');
16 var actualSelectionType = window.getSelection().isCollapsed ? 'caret' : 'range';
18 if (selectStartCount != expectedCount)
19 document.writeln('FAIL - expected ' + expectedCount + ' events but got ' + selectStartCount + ' events');
20 else if (actualSelectionType != expectedType)
21 document.writeln('FAIL - expected selection to be ' + expectedType + ' but was ' + actualSelectionType);
23 document.writeln('PASS');
26 if (window.layoutTestController && !window.eventSender)
27 document.write('This test requires eventSender');
28 else if (window.layoutTestController) {
29 layoutTestController.dumpAsText();
31 var y = span.offsetTop + span.offsetHeight / 2;
32 expect('Initial state', 0, 'caret');
33 eventSender.mouseMoveTo(span.offsetLeft + 5, y);
34 eventSender.mouseDown();
35 expect('Mouse down', 1, 'caret');
36 eventSender.leapForward(200);
37 eventSender.mouseUp();
38 expect('Mouse up', 1, 'caret');
40 eventSender.mouseMoveTo(span.offsetLeft + span.offsetWidth - 5, y);
41 expect('Moving to the right', 1, 'caret');
42 eventSender.mouseDown(0, ['shiftKey']);
43 expect('Second mouse down', 2, 'range');
44 eventSender.leapForward(200);
45 eventSender.mouseUp();
46 expect('Second mouse up', 2, 'range');
48 document.writeln('Done.');
49 span.parentNode.removeChild(span);