| <!DOCTYPE html> |
| <title>@scope - nesting (&)</title> |
| <link rel="help" href="https://drafts.csswg.org/css-cascade-6/#scope-atrule"> |
| <link rel="help" href="https://drafts.csswg.org/css-nesting-1/#nest-selector"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <main id=main></main> |
| |
| <template id=test_nest_scope_end> |
| <div> |
| <style> |
| @scope (.a) to (& > &) { |
| * { z-index:1; } |
| } |
| </style> |
| <div class=a> <!-- This scope is limited by the element below. --> |
| <div class=a> <!-- This scope is limited by its own root. --> |
| <div id=below></div> |
| </div> |
| </div> |
| </div> |
| <div id=outside></div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_nest_scope_end.content.cloneNode(true)); |
| |
| assert_equals(getComputedStyle(below).zIndex, 'auto'); |
| assert_equals(getComputedStyle(outside).zIndex, 'auto'); |
| }, 'Nesting-selector in <scope-end>'); |
| </script> |
| |
| <template id=test_nest_scope_end_implicit_scope> |
| <div> |
| <style> |
| /* (.b) behaves like (:scope .b), due :scope being prepended |
| implicitly. */ |
| @scope (.a) to (.b) { |
| :scope { z-index:1; } |
| } |
| |
| /* Should not match, since <scope-end> refers to the scope itself. */ |
| @scope (.a) to (.b:scope) { |
| :scope { z-index:42; } |
| } |
| </style> |
| <div class="a b"> |
| <div class=b> |
| <div id=below></div> |
| </div> |
| </div> |
| </div> |
| <div id=outside></div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_nest_scope_end_implicit_scope.content.cloneNode(true)); |
| let a = document.querySelector('.a'); |
| let b = document.querySelector('.a > .b'); |
| assert_equals(getComputedStyle(a).zIndex, '1'); |
| assert_equals(getComputedStyle(b).zIndex, 'auto'); |
| assert_equals(getComputedStyle(below).zIndex, 'auto'); |
| assert_equals(getComputedStyle(outside).zIndex, 'auto'); |
| }, 'Implicit :scope in <scope-end>'); |
| </script> |
| |
| <template id=test_relative_selector_scope_end> |
| <div> |
| <style> |
| @scope (.a) to (> .b) { |
| *, :scope { z-index:1; } |
| } |
| </style> |
| <div class="a b"> |
| <div class=b> |
| <div id=below></div> |
| </div> |
| </div> |
| </div> |
| <div id=outside></div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_relative_selector_scope_end.content.cloneNode(true)); |
| let a = document.querySelector('.a'); |
| let b = document.querySelector('.a > .b'); |
| assert_equals(getComputedStyle(a).zIndex, '1'); |
| assert_equals(getComputedStyle(b).zIndex, 'auto'); |
| assert_equals(getComputedStyle(below).zIndex, 'auto'); |
| assert_equals(getComputedStyle(outside).zIndex, 'auto'); |
| }, 'Relative selectors in <scope-end>'); |
| </script> |
| |
| <template id=test_inner_nest> |
| <div> |
| <style> |
| @scope (.a) { |
| & + & { |
| z-index:1; |
| } |
| } |
| </style> |
| <div class=a> |
| <div id=inner1 class=a></div> |
| <div id=inner2 class=a></div> |
| </div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_inner_nest.content.cloneNode(true)); |
| |
| assert_equals(getComputedStyle(inner1).zIndex, 'auto'); |
| assert_equals(getComputedStyle(inner2).zIndex, '1'); |
| }, 'Nesting-selector in the scope\'s <stylesheet>'); |
| </script> |
| |
| <template id=test_parent_in_pseudo_scope> |
| <div> |
| <style> |
| @scope (#div) { |
| :scope { |
| z-index: 1; |
| & { |
| z-index: 2; |
| } |
| } |
| } |
| </style> |
| <div id=div></div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_parent_in_pseudo_scope.content.cloneNode(true)); |
| |
| assert_equals(getComputedStyle(div).zIndex, '2'); |
| }, 'Nesting-selector within :scope rule'); |
| </script> |
| |
| <template id=test_parent_in_pseudo_scope_double> |
| <div> |
| <style> |
| @scope (#div) { |
| :scope { |
| z-index: 1; |
| & { |
| & { |
| z-index: 2; |
| } |
| } |
| } |
| } |
| </style> |
| <div id=div></div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_parent_in_pseudo_scope_double.content.cloneNode(true)); |
| |
| assert_equals(getComputedStyle(div).zIndex, '2'); |
| }, 'Nesting-selector within :scope rule (double nested)'); |
| </script> |
| |
| <template id=test_scope_within_style_rule> |
| <div> |
| <style> |
| .a { |
| @scope (.b) { |
| .c { z-index: 1; } |
| } |
| } |
| </style> |
| <div class=a> |
| <div class=b> |
| <div class=c> |
| </div> |
| </div> |
| <div id=out_of_scope class=c> |
| </div> |
| </div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_scope_within_style_rule.content.cloneNode(true)); |
| |
| let c = document.querySelector('.c'); |
| assert_equals(getComputedStyle(c).zIndex, '1'); |
| assert_equals(getComputedStyle(out_of_scope).zIndex, 'auto'); |
| }, '@scope nested within style rule'); |
| </script> |
| |
| <template id=test_parent_pseudo_in_nested_scope_start> |
| <div> |
| <style> |
| .a { |
| @scope (&.b) { |
| :scope { z-index: 1; } |
| } |
| } |
| </style> |
| <div class=a></div> |
| <div class=b></div> |
| <div class="a b"></div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_parent_pseudo_in_nested_scope_start.content.cloneNode(true)); |
| |
| let a = document.querySelector('.a:not(.b)'); |
| let b = document.querySelector('.b:not(.a)'); |
| let ab = document.querySelector('.a.b'); |
| assert_equals(getComputedStyle(a).zIndex, 'auto'); |
| assert_equals(getComputedStyle(b).zIndex, 'auto'); |
| assert_equals(getComputedStyle(ab).zIndex, '1'); |
| }, 'Parent pseudo class within scope-start'); |
| </script> |
| |
| <template id=test_parent_pseudo_in_nested_scope_end> |
| <div> |
| <style> |
| .a { |
| /* Note that & in <scope-end> refers to <scope-start>, |
| not the outer style rule. */ |
| @scope (&.b) to (&.c) { |
| :scope, * { z-index: 1; } |
| } |
| } |
| </style> |
| <div class="a b"> |
| <div class="a c"> |
| <div class="a b c"> |
| </div> |
| </div> |
| </div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_parent_pseudo_in_nested_scope_end.content.cloneNode(true)); |
| |
| let ab = document.querySelector('.a.b:not(.c)'); |
| let ac = document.querySelector('.a.c:not(.b)'); |
| let abc = document.querySelector('.a.b.c'); |
| assert_equals(getComputedStyle(ab).zIndex, '1'); |
| assert_equals(getComputedStyle(ac).zIndex, '1'); |
| assert_equals(getComputedStyle(abc).zIndex, 'auto', 'limit element is not in scope'); |
| }, 'Parent pseudo class within scope-end'); |
| </script> |
| |
| <template id=test_parent_pseudo_in_nested_scope_body> |
| <div> |
| <style> |
| .a { |
| @scope (.b) { |
| /* The & points to <scope-start>, which contains an implicit & |
| which points to .a. */ |
| &.c { z-index: 1; } |
| } |
| } |
| </style> |
| <div class=a> |
| <div class=b> |
| <div class="c"></div> |
| <div class="a c"></div> |
| <div class="a b c" matching></div> |
| </div> |
| </div> |
| <div> |
| <div class=a></div> |
| <div class=b></div> |
| <div class=c></div> |
| <div class="a b"></div> |
| <div class="a c"></div> |
| <div class="b c"></div> |
| </div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_parent_pseudo_in_nested_scope_body.content.cloneNode(true)); |
| |
| let matching = main.querySelectorAll("div[matching]"); |
| let non_matching = main.querySelectorAll("div:not([matching])"); |
| |
| for (let m of matching) { |
| assert_equals(getComputedStyle(m).zIndex, '1', `matching: ${m.nodeName}${m.className}`); |
| } |
| for (let m of non_matching) { |
| assert_equals(getComputedStyle(m).zIndex, 'auto', `non-matching: ${m.nodeName}${m.className}`); |
| } |
| }, 'Parent pseudo class within body of nested @scope'); |
| </script> |
| |
| <template id=test_direct_declarations_in_nested_scope> |
| <div> |
| <style> |
| .a { |
| @scope (.b) { |
| z-index: 1; |
| } |
| } |
| </style> |
| <div class=a> |
| <div class=b> |
| <div class="c"></div> |
| </div> |
| </div> |
| </div> |
| </template> |
| <script> |
| test((t) => { |
| t.add_cleanup(() => main.replaceChildren()); |
| main.append(test_direct_declarations_in_nested_scope.content.cloneNode(true)); |
| |
| let a = document.querySelector('.a'); |
| let b = document.querySelector('.b'); |
| let c = document.querySelector('.c'); |
| assert_equals(getComputedStyle(a).zIndex, 'auto'); |
| assert_equals(getComputedStyle(b).zIndex, '1'); |
| assert_equals(getComputedStyle(c).zIndex, 'auto'); |
| }, 'Implicit rule within nested @scope '); |
| </script> |