Test that getBoundingClientRect works as expected on content after a spanner, writing-mode is vertical-lr On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS document.getElementById('elm1').getBoundingClientRect().left is 200 PASS document.getElementById('elm1').getBoundingClientRect().top is 100 PASS document.getElementById('elm2').getBoundingClientRect().left is 250 PASS document.getElementById('elm2').getBoundingClientRect().top is 100 PASS document.getElementById('elm3').getBoundingClientRect().left is 200 PASS document.getElementById('elm3').getBoundingClientRect().top is 216 PASS document.getElementById('elm4').getBoundingClientRect().left is 250 PASS document.getElementById('elm4').getBoundingClientRect().top is 216 PASS document.getElementById('elm5').getBoundingClientRect().left is 200 PASS document.getElementById('elm5').getBoundingClientRect().top is 332 PASS successfullyParsed is true TEST COMPLETE