Tests that CSS3 calc() can be used for the line-height property On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS getComputedStyle(document.getElementById("calc-percent"), null).lineHeight is getComputedStyle(document.getElementById("control"), null).lineHeight FAIL getComputedStyle(document.getElementById("calc-percent-pixels"), null).lineHeight should be 32px. Was 18px. PASS successfullyParsed is true TEST COMPLETE