This is a testharness.js-based test.
PASS default object size is 300x150
PASS default height is half the width
PASS default width is twice the height
FAIL default object size after src is removed assert_equals: expected "320px" but got "300px"
FAIL default object size after poster is removed assert_equals: expected "102px" but got "300px"
Harness: the test ran to completion.