start', 'self-end');
test_computed_value('flip-block flip-inline', 'position-area', 'span-self-block-start span-self-inline-start', 'span-self-end');

// start/end

test_computed_value('', 'position-area', 'start end', 'start end');

test_computed_value('flip-block', 'position-area', 'start end', 'end');

test_computed_value('flip-inline', 'position-area', 'start end', 'start');

test_computed_value('flip-block flip-inline', 'position-area', 'start end', 'end start');

test_computed_value('flip-start', 'pos