| <!DOCTYPE html> |
| <title>@position-try with container query responding to fallback widths</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#fallback"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #relative { |
| background: maroon; |
| position: relative; |
| width: 195px; |
| height: 200px; |
| } |
| #target1 { |
| container-type: inline-size; |
| container-name: target1; |
| position-try-fallbacks: --fallback1; |
| background: green; |
| position: absolute; |
| top: 0px; |
| left: 999999px; /* force fallback */ |
| width: 100px; |
| height: 100px; |
| } |
| @position-try --fallback1 { |
| top: 100px; |
| left: 0px; |
| width: 150px; |
| } |
| @container (width > 100px) { |
| #inner1 { |
| background-color: lime; |
| width: 100px; |
| height: 100px; |
| } |
| } |
| |
| #target2 { |
| container-type: inline-size; |
| container-name: target2; |
| position-try-fallbacks: --fallback2, --fallback3; |
| background: orange; |
| position: absolute; |
| top: 0px; |
| left: 999999px; /* force fallback */ |
| width: 100px; |
| } |
| @position-try --fallback2 { |
| top: 100px; |
| left: 0px; |
| width: 150px; |
| } |
| @position-try --fallback3 { |
| top: 0px; |
| left: 0px; |
| width: 150px; |
| } |
| @container target2 (width = 150px) { |
| #inner2 { |
| background-color: yellow; |
| width: 100px; |
| height: 150px; |
| } |
| } |
| </style> |
| <div id="relative"> |
| <div id="target1"> |
| <div id="inner1"></div> |
| </div> |
| <div id="target2"> |
| <div id="inner2"></div> |
| </div> |
| </div> |
| <script> |
| test(() => { |
| assert_equals(getComputedStyle(inner1).backgroundColor, "rgb(0, 255, 0)"); |
| assert_equals(getComputedStyle(inner1).width, "100px"); |
| assert_equals(getComputedStyle(inner1).height, "100px"); |
| assert_equals(getComputedStyle(target1).top, "100px"); |
| assert_equals(getComputedStyle(target1).left, "0px"); |
| assert_equals(getComputedStyle(target1).width, "150px"); |
| }, "Size container query responds to fallback width"); |
| |
| test(() => { |
| assert_equals(getComputedStyle(inner2).backgroundColor, "rgb(255, 255, 0)"); |
| assert_equals(getComputedStyle(inner2).width, "100px"); |
| assert_equals(getComputedStyle(inner2).height, "150px"); |
| assert_equals(getComputedStyle(target2).top, "0px"); |
| assert_equals(getComputedStyle(target2).left, "0px"); |
| assert_equals(getComputedStyle(target2).width, "150px"); |
| }, "Size container query responds to fallback width and applies height to not fit the first fallback"); |
| </script> |
