| <!DOCTYPE html> |
| <title>CSS Anchor Positioning: try-tactic, position-area</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#typedef-position-try-fallbacks-try-tactic"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #cb { |
| position: absolute; |
| width: 400px; |
| height: 400px; |
| border: 1px solid black; |
| } |
| #anchor { |
| position: absolute; |
| left: 150px; |
| top: 150px; |
| width: 100px; |
| height: 50px; |
| background-color: coral; |
| } |
| #target { |
| position: absolute; |
| left: 450px; /* force fallback */ |
| width: 40px; |
| height: 40px; |
| background-color: skyblue; |
| } |
| </style> |
| <style id=style> |
| </style> |
| <div id=cb> |
| <div id=target></div> |
| </div> |
| <script> |
| |
| function test_computed_value(try_tactic, property, value, expected, direction, writing_mode) { |
| if (direction==undefined) { |
| direction = 'ltr'; |
| } |
| if (writing_mode==undefined) { |
| writing_mode = 'horizontal-tb'; |
| } |
| test((t) => { |
| t.add_cleanup(() => { |
| style.textContent = ''; |
| document.documentElement.style = ''; |
| }); |
| document.documentElement.style.direction = direction; |
| document.documentElement.style.writingMode = writing_mode; |
| style.textContent = ` |
| @position-try --pf { |
| inset: initial; |
| ${property}:${value}; |
| } |
| #target { |
| position-try-fallbacks: --pf ${try_tactic}; |
| } |
| `; |
| assert_equals(getComputedStyle(target).getPropertyValue(property), expected); |
| }, `${try_tactic}, ${property}:${value}, ${direction} ${writing_mode}`); |
| } |
| |
| |
| // Physical: |
| |
| test_computed_value('flip-inline', 'position-area', 'left top', 'right top'); |
| test_computed_value('flip-inline', 'position-area', 'left bottom', 'right bottom'); |
| test_computed_value('flip-inline', 'position-area', 'right bottom', 'left bottom'); |
| test_computed_value('flip-inline', 'position-area', 'right top', 'left top'); |
| |
| test_computed_value('flip-block', 'position-area', 'left top', 'left bottom'); |
| test_computed_value('flip-block', 'position-area', 'left bottom', 'left top'); |
| test_computed_value('flip-block', 'position-area', 'right bottom', 'right top'); |
| test_computed_value('flip-block', 'position-area', 'right top', 'right bottom'); |
| |
| test_computed_value('flip-block flip-inline', 'position-area', 'left top', 'right bottom'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'left bottom', 'right top'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'right bottom', 'left top'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'right top', 'left bottom'); |
| |
| test_computed_value('flip-start', 'position-area', 'left top', 'left top'); |
| test_computed_value('flip-start', 'position-area', 'left bottom', 'right top'); |
| test_computed_value('flip-start', 'position-area', 'right bottom', 'right bottom'); |
| test_computed_value('flip-start', 'position-area', 'right top', 'left bottom'); |
| |
| test_computed_value('flip-block flip-start', 'position-area', 'left top', 'right top'); |
| test_computed_value('flip-block flip-start', 'position-area', 'left bottom', 'left top'); |
| test_computed_value('flip-block flip-start', 'position-area', 'right bottom', 'left bottom'); |
| test_computed_value('flip-block flip-start', 'position-area', 'right top', 'right bottom'); |
| |
| test_computed_value('flip-inline flip-start', 'position-area', 'left top', 'left bottom'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'left bottom', 'right bottom'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'right bottom', 'right top'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'right top', 'left top'); |
| |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'left top', 'right bottom'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'left bottom', 'left bottom'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'right bottom', 'left top'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'right top', 'right top'); |
| |
| // Variations: |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-left span-top', 'span-right span-bottom'); |
| |
| // XY: |
| |
| test_computed_value('flip-inline', 'position-area', 'x-start y-start', 'x-end y-start'); |
| test_computed_value('flip-inline', 'position-area', 'x-start y-end', 'x-end y-end'); |
| test_computed_value('flip-inline', 'position-area', 'x-end y-end', 'x-start y-end'); |
| test_computed_value('flip-inline', 'position-area', 'x-end y-start', 'x-start y-start'); |
| |
| test_computed_value('flip-block', 'position-area', 'x-start y-start', 'x-start y-end'); |
| test_computed_value('flip-block', 'position-area', 'x-start y-end', 'x-start y-start'); |
| test_computed_value('flip-block', 'position-area', 'x-end y-end', 'x-end y-start'); |
| test_computed_value('flip-block', 'position-area', 'x-end y-start', 'x-end y-end'); |
| |
| test_computed_value('flip-block flip-inline', 'position-area', 'x-start y-start', 'x-end y-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'x-start y-end', 'x-end y-start'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'x-end y-end', 'x-start y-start'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'x-end y-start', 'x-start y-end'); |
| |
| test_computed_value('flip-start', 'position-area', 'x-start y-start', 'x-start y-start'); |
| test_computed_value('flip-start', 'position-area', 'x-start y-end', 'x-end y-start'); |
| test_computed_value('flip-start', 'position-area', 'x-end y-end', 'x-end y-end'); |
| test_computed_value('flip-start', 'position-area', 'x-end y-start', 'x-start y-end'); |
| |
| test_computed_value('flip-block flip-start', 'position-area', 'x-start y-start', 'x-end y-start'); |
| test_computed_value('flip-block flip-start', 'position-area', 'x-start y-end', 'x-start y-start'); |
| test_computed_value('flip-block flip-start', 'position-area', 'x-end y-end', 'x-start y-end'); |
| test_computed_value('flip-block flip-start', 'position-area', 'x-end y-start', 'x-end y-end'); |
| |
| test_computed_value('flip-inline flip-start', 'position-area', 'x-start y-start', 'x-start y-end'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'x-start y-end', 'x-end y-end'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'x-end y-end', 'x-end y-start'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'x-end y-start', 'x-start y-start'); |
| |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'x-start y-start', 'x-end y-end'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'x-start y-end', 'x-start y-end'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'x-end y-end', 'x-start y-start'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'x-end y-start', 'x-end y-start'); |
| |
| // Variations: |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-x-start span-y-start', 'span-x-end span-y-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'x-self-start y-self-start', 'x-self-end y-self-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-x-self-start span-y-self-start', 'span-x-self-end span-y-self-end'); |
| |
| // Logical: |
| |
| test_computed_value('flip-inline', 'position-area', 'block-start inline-start', 'block-start inline-end'); |
| test_computed_value('flip-inline', 'position-area', 'block-end inline-start', 'block-end inline-end'); |
| test_computed_value('flip-inline', 'position-area', 'block-end inline-end', 'block-end inline-start'); |
| test_computed_value('flip-inline', 'position-area', 'block-start inline-end', 'block-start inline-start'); |
| |
| test_computed_value('flip-block', 'position-area', 'block-start inline-start', 'block-end inline-start'); |
| test_computed_value('flip-block', 'position-area', 'block-end inline-start', 'block-start inline-start'); |
| test_computed_value('flip-block', 'position-area', 'block-end inline-end', 'block-start inline-end'); |
| test_computed_value('flip-block', 'position-area', 'block-start inline-end', 'block-end inline-end'); |
| |
| test_computed_value('flip-block flip-inline', 'position-area', 'block-start inline-start', 'block-end inline-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'block-end inline-start', 'block-start inline-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'block-end inline-end', 'block-start inline-start'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'block-start inline-end', 'block-end inline-start'); |
| |
| test_computed_value('flip-start', 'position-area', 'block-start inline-start', 'block-start inline-start'); |
| test_computed_value('flip-start', 'position-area', 'block-end inline-start', 'block-start inline-end'); |
| test_computed_value('flip-start', 'position-area', 'block-end inline-end', 'block-end inline-end'); |
| test_computed_value('flip-start', 'position-area', 'block-start inline-end', 'block-end inline-start'); |
| |
| test_computed_value('flip-block flip-start', 'position-area', 'block-start inline-start', 'block-start inline-end'); |
| test_computed_value('flip-block flip-start', 'position-area', 'block-end inline-start', 'block-start inline-start'); |
| test_computed_value('flip-block flip-start', 'position-area', 'block-end inline-end', 'block-end inline-start'); |
| test_computed_value('flip-block flip-start', 'position-area', 'block-start inline-end', 'block-end inline-end'); |
| |
| test_computed_value('flip-inline flip-start', 'position-area', 'block-start inline-start', 'block-end inline-start'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'block-end inline-start', 'block-end inline-end'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'block-end inline-end', 'block-start inline-end'); |
| test_computed_value('flip-inline flip-start', 'position-area', 'block-start inline-end', 'block-start inline-start'); |
| |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'block-start inline-start', 'block-end inline-end'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'block-end inline-start', 'block-end inline-start'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'block-end inline-end', 'block-start inline-start'); |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'block-start inline-end', 'block-start inline-end'); |
| |
| // Variations: |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-block-start span-inline-start', 'span-block-end span-inline-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'self-block-start self-inline-start', 'self-block-end self-inline-end'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-self-block-start span-self-inline-start', 'span-self-block-end span-self-inline-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', 'position-area', 'start', 'start'); |
| test_computed_value('flip-start', 'position-area', 'end', 'end'); |
| test_computed_value('flip-start', 'position-area', 'start end', 'end start'); |
| |
| test_computed_value('flip-block flip-start', 'position-area', 'start end', 'end'); |
| |
| test_computed_value('flip-inline flip-start', 'position-area', 'start end', 'start'); |
| |
| test_computed_value('flip-block flip-inline flip-start', 'position-area', 'start end', 'start end'); |
| |
| // Variations: |
| |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-start span-end', 'span-end span-start'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'self-start self-end', 'self-end self-start'); |
| test_computed_value('flip-block flip-inline', 'position-area', 'span-self-start span-self-end', 'span-self-end span-self-start'); |
| |
| // center |
| test_computed_value('flip-block', 'position-area', 'left center', 'left center'); |
| test_computed_value('flip-block', 'position-area', 'center top', 'center bottom'); |
| test_computed_value('flip-block', 'position-area', 'center', 'center'); |
| test_computed_value('flip-block', 'position-area', 'start center', 'end center'); |
| test_computed_value('flip-block', 'position-area', 'center start', 'center start'); |
| test_computed_value('flip-inline', 'position-area', 'center start', 'center end'); |
| test_computed_value('flip-start', 'position-area', 'center start', 'start center'); |
| |
| // span-all |
| test_computed_value('flip-block', 'position-area', 'left span-all', 'left'); |
| test_computed_value('flip-block', 'position-area', 'span-all top', 'bottom'); |
| test_computed_value('flip-block', 'position-area', 'span-all', 'span-all'); |
| test_computed_value('flip-block', 'position-area', 'start span-all', 'end span-all'); |
| test_computed_value('flip-block', 'position-area', 'span-all start', 'span-all start'); |
| test_computed_value('flip-inline', 'position-area', 'span-all start', 'span-all end'); |
| test_computed_value('flip-start', 'position-area', 'span-all start', 'start span-all'); |
| |
| // Span mix: |
| test_computed_value('flip-block', 'position-area', 'left span-top', 'left span-bottom'); |
| test_computed_value('flip-inline', 'position-area', 'left span-top', 'right span-top'); |
| test_computed_value('flip-start', 'position-area', 'span-block-start inline-end', 'block-end span-inline-start'); |
| |
| // Writing modes: |
| test_computed_value('flip-block', 'position-area', 'left top', 'right top', 'ltr', 'vertical-rl'); |
| |
| test_computed_value('', 'position-area', 'x-start y-start', 'x-start y-start', 'rtl'); |
| test_computed_value('flip-block', 'position-area', 'x-start y-start', 'x-start y-end', 'rtl'); |
| test_computed_value('flip-inline', 'position-area', 'x-start y-start', 'x-end y-start', 'rtl'); |
| test_computed_value('flip-block', 'position-area', 'x-end y-start', 'x-start y-start', 'ltr', 'vertical-rl'); |
| test_computed_value('flip-inline', 'position-area', 'x-end y-start', 'x-end y-end', 'ltr', 'vertical-rl'); |
| |
| test_computed_value('flip-inline', 'position-area', 'start end', 'start', 'rtl'); |
| test_computed_value('flip-inline', 'position-area', 'start end', 'start', 'ltr', 'vertical-rl'); |
| test_computed_value('flip-block', 'position-area', 'start end', 'end', 'rtl'); |
| test_computed_value('flip-block', 'position-area', 'start end', 'end', 'ltr', 'vertical-rl'); |
| |
| </script> |
