| <!doctype html> |
| <title>CSS Container Queries Test: size container types apply to elements without a principal box</title> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <style> |
| #outer { |
| container-type: inline-size; |
| } |
| #inner_none { |
| display: none; |
| container-type: inline-size; |
| } |
| #inner_contents { |
| display: contents; |
| container-type: inline-size; |
| } |
| @container size(min-width: 0) { |
| span { color: red; } |
| } |
| @container size(min-width: 0) { |
| #ref { color: green; } |
| } |
| </style> |
| <div id="outer"> |
| <div id="ref"></div> |
| <div id="inner_none"><span></span></div> |
| <div id="inner_contents"><span></span></div> |
| </div> |
| <script> |
| setup(() => assert_implements_container_queries()); |
| |
| test(() => { |
| assert_equals(getComputedStyle(ref).color, "rgb(0, 128, 0)"); |
| }, "Check that container queries is supported"); |
| |
| test(() => { |
| assert_equals(getComputedStyle(inner_none.firstChild).color, "rgb(0, 0, 0)"); |
| }, "(min-width: 0) does not match a container without a principal box (display:none)"); |
| |
| test(() => { |
| assert_equals(getComputedStyle(inner_contents.firstChild).color, "rgb(0, 0, 0)"); |
| }, "(min-width: 0) does not match a container without a principal box (display:contents)"); |
| </script> |
