third_party/WebKit/LayoutTests/accessibility/selection-affinity.html - Issue 2191833003: Use text affinity to return correct accessible line boundaries.

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Issue 2191833003: Use text affinity to return correct accessible line boundaries. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Fix bug in browser_accessibility_win.cc Created 4 years, 4 months ago

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	1 <!DOCTYPE html>

	2 <script src="../resources/testharness.js"></script>

	3 <script src="../resources/testharnessreport.js"></script>

	4

	5 <div id="main" role="main">

	6

	7 <p style="width: 3em; border: 1px solid #000;">

	8 a-b-c-d-e-f-g-h-i-j-k-l-m-n-o-p-q-r-s-t-u-v-w-x-y-z

	9 </p>

	10

	11 </div>

	12 <div id="console"></div>

	13

	14 <script>

	15 test(function()

	16 {

	17 // Create a range selecting more and more characters of text until

	18 // the bounding rect has a nonzero width, indicating we got the first

	19 // printing character.

	20 var text = document.querySelector('p').firstChild;

	21 var range = document.createRange();

	22 range.setStart(text, 0);

	23 var i = 0;

	24 var bounds;

	25 do {

	26 range.setEnd(text, i);

	27 bounds = range.getBoundingClientRect();

	28 i++;

	29 } while (bounds.width == 0);

	30

	31 // Keep extending the range until the height increases, indicating we

	32 // got more than one line of text.

	33 var startCharIndex = i - 2;

	34 var oneLineHeight = bounds.height;

	35 do {

	36 range.setEnd(text, i);

	37 bounds = range.getBoundingClientRect();

	38 i++;

	39 } while (bounds.height == oneLineHeight);

	40 var endCharIndex = i - 2;

	41

	42 // Now we can create a range for exactly the first line of text.

	43 range.setStart(text, startCharIndex);

	44 range.setEnd(text, endCharIndex);

	45 var firstLineBounds = range.getBoundingClientRect();

	46

	47 // Also create a range for the second character of the second line of te xt.

	48 range.setStart(text, endCharIndex + 1);

	49 range.setEnd(text, endCharIndex + 2);

	50 var secondLineBounds = range.getBoundingClientRect();

	51

	52 // Click to place the cursor at the end of the first line.

	53 eventSender.mouseMoveTo(firstLineBounds.right, firstLineBounds.top + 5);

	54 eventSender.mouseDown();

	55 eventSender.mouseUp();

	56

	57 // Ensure the selection is at the right place.

	58 var sel = window.getSelection();

	59 assert_equals(sel.anchorNode, text);

	60 assert_equals(sel.anchorOffset, endCharIndex);

	61

	62 // Ensure the accessible selection is at the same place in the

	63 // accessibility tree, with UPSTREAM affinity.

	64 var axRoot = accessibilityController.rootElement;

	65 assert_equals(axRoot.selectionAnchorObject.role, "AXRole: AXStaticText") ;

	66 assert_equals(axRoot.selectionAnchorObject.name, "a-b-c-d-e-f-g-h-i-j-k- l-m-n-o-p-q-r-s-t-u-v-w-x-y-z");

	67 assert_equals(axRoot.selectionAnchorOffset, endCharIndex - startCharInde x);

	68 assert_equals(axRoot.selectionAnchorAffinity, "upstream");

	69

	70 // Click to place the cursor at the beginning of the next line.

	71 eventSender.mouseMoveTo(firstLineBounds.left, secondLineBounds.top + 5);

	72 eventSender.mouseDown();

	73 eventSender.mouseUp();

	74

	75 // Ensure the selection is at the right place.

	76 var sel = window.getSelection();

	77 assert_equals(sel.anchorNode, text);

	78 assert_equals(sel.anchorOffset, endCharIndex);

	79

	80 // Ensure the accessible selection is at the same place in the

	81 // accessibility tree, with DOWNSTREAM affinity.

	82 assert_equals(axRoot.selectionAnchorObject.role, "AXRole: AXStaticText") ;

	83 assert_equals(axRoot.selectionAnchorObject.name, "a-b-c-d-e-f-g-h-i-j-k- l-m-n-o-p-q-r-s-t-u-v-w-x-y-z");

	84 assert_equals(axRoot.selectionAnchorOffset, endCharIndex - startCharInde x);

	85 assert_equals(axRoot.selectionAnchorAffinity, "downstream");

	86 }, "Test upstream and downstream affinity of text selection.");

	87 </script>

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