| <!doctype html> |
| <title>CSS Container Queries Test: Column-spanner depending on container in column</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#size-container"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <style> |
| #multicol { |
| container-type: inline-size; |
| width: 600px; |
| columns: 2; |
| column-gap: 0; |
| height: 200px; |
| } |
| #spanner { height: 100px; } |
| @container (width = 600px) { |
| #spanner { |
| column-span: all; |
| } |
| } |
| </style> |
| <div id="multicol"> |
| <div id="spanner"></div> |
| </div> |
| <script> |
| setup(() => assert_implements_size_container_queries()); |
| |
| test(() => { |
| assert_equals(getComputedStyle(spanner).width, "600px"); |
| }, "#spanner matching container with column-width 300px, getting column-span:all"); |
| |
| test(() => { |
| multicol.style.width = "500px"; |
| assert_equals(getComputedStyle(spanner).width, "250px"); |
| }, "Reducing #multicol width means #spanner no longer gets column-span:all"); |
| |
| test(() => { |
| multicol.style.width = ""; |
| assert_equals(getComputedStyle(spanner).width, "600px"); |
| }, "Back to matching 300px and column-span:all"); |
| </script> |
