var test = document.getElementById('test');
var selection = window.getSelection();
-selection.setPosition(test.firstChild, 6);
+selection.collapse(test.firstChild, 6);
selection.modify('move', 'right', 'character');
var offset = selection.anchorOffset;
assert(offset == 1);
test = document.getElementById('test_rtl');
selection = window.getSelection();
-selection.setPosition(test.firstChild, 3);
+selection.collapse(test.firstChild, 3);
selection.modify('move', 'left', 'character');
offset = selection.anchorOffset;
assert(offset == 4);