| <!DOCTYPE html> |
| <title>CSS Anchor Positioning: inset-area positioning - anchor outside containing block</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position/#inset-area"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #container { |
| position: relative; |
| width: 400px; |
| height: 400px; |
| } |
| #anchor { |
| position: absolute; |
| left: -200px; |
| top: 500px; |
| width: 100px; |
| height: 100px; |
| anchor-name: --anchor; |
| } |
| #anchored { |
| position: absolute; |
| align-self: stretch; |
| justify-self: stretch; |
| position-anchor: --anchor; |
| } |
| </style> |
| <div id="container"> |
| <div id="anchor"></div> |
| <div id="anchored"></div> |
| </div> |
| <script> |
| function test_inset_area(inset_area, expected_offsets) { |
| anchored.style.insetArea = inset_area; |
| |
| test(() => { |
| assert_equals(anchored.offsetLeft, expected_offsets.left, "Check expected offsetLeft"); |
| assert_equals(anchored.offsetTop, expected_offsets.top, "Check expected offsetTop"); |
| assert_equals(anchored.offsetWidth, expected_offsets.width, "Check expected offsetWidth"); |
| assert_equals(anchored.offsetHeight, expected_offsets.height, "Check expected offsetHeight"); |
| }, "Offsets for inset-area: " + inset_area); |
| } |
| |
| test_inset_area("span-all", {left:0, top:0, width:400, height:400}); |
| |
| test_inset_area("left span-all", {left:-200, top:0, width:0, height:400}); |
| test_inset_area("span-left span-all", {left:-100, top:0, width:0, height:400}); |
| test_inset_area("span-all center", {left:-200, top:0, width:100, height:400}); |
| test_inset_area("span-right span-all", {left:-200, top:0, width:600, height:400}); |
| test_inset_area("right span-all", {left:-100, top:0, width:500, height:400}); |
| |
| test_inset_area("top span-all", {left:0, top:0, width:400, height:500}); |
| test_inset_area("span-top span-all", {left:0, top:0, width:400, height:600}); |
| test_inset_area("center span-all", {left:0, top:500, width:400, height:100}); |
| test_inset_area("span-bottom span-all", {left:0, top:500, width:400, height:0}); |
| test_inset_area("bottom span-all", {left:0, top:600, width:400, height:0}); |
| </script> |
