Rollup merge of rust-lang#90571 - GuillaumeGomez:missing-bottom-border-sidebar, r=jsha

Fix missing bottom border for headings in sidebar

Fixes rust-lang#90568.

r? ```@jsha```

Author: JohnTitor

src/librustdoc/html/static/css/rustdoc.css

@@ -156,7 +156,8 @@ h1.fqn > .in-band > a:hover {
 	section hierarchies. */
 h2,
 .top-doc h3,
-.top-doc h4 {
+.top-doc h4,
+.sidebar .others h3 {
 	border-bottom: 1px solid;
 }
 h3.code-header {

src/librustdoc/html/static/js/main.js

@@ -566,6 +566,7 @@ function hideThemeButtonState() {
     // delayed sidebar rendering.
     window.initSidebarItems = function(items) {
         var sidebar = document.getElementsByClassName("sidebar-elems")[0];
+        var others;
         var current = window.sidebarCurrent;
 
         function addSidebarCrates(crates) {
@@ -594,7 +595,7 @@ function hideThemeButtonState() {
                 li.appendChild(link);
                 ul.appendChild(li);
             }
-            sidebar.appendChild(div);
+            others.appendChild(div);
         }
 
         function block(shortty, longty) {
@@ -635,10 +636,14 @@ function hideThemeButtonState() {
                 ul.appendChild(li);
             }
             div.appendChild(ul);
-            sidebar.appendChild(div);
+            others.appendChild(div);
         }
 
         if (sidebar) {
+            others = document.createElement("div");
+            others.className = "others";
+            sidebar.appendChild(others);
+
             var isModule = hasClass(document.body, "mod");
             if (!isModule) {
                 block("primitive", "Primitive Types");

src/test/rustdoc-gui/headings.goml

@@ -109,6 +109,9 @@ assert-css: ("h6#sub-heading-for-enum-impl-item-doc", {"border-bottom-width": "0
 assert-css: ("h6#sub-sub-heading-for-enum-impl-item-doc", {"font-size": "15.2px"})
 assert-css: ("h6#sub-sub-heading-for-enum-impl-item-doc", {"border-bottom-width": "0px"})
 
+assert-text: (".sidebar .others h3", "Modules")
+assert-css: (".sidebar .others h3", {"border-bottom-width": "1px"}, ALL)
+
 goto: file://|DOC_PATH|/test_docs/union.HeavilyDocumentedUnion.html
 
 assert-css: ("h1.fqn", {"font-size": "24px"})

src/test/rustdoc-gui/sidebar.goml

@@ -4,17 +4,17 @@ assert-text: (".sidebar > .location", "Crate test_docs")
 assert-count: (".sidebar .location", 1)
 assert-text: (".sidebar-elems > #all-types", "See all test_docs's items")
 // We check that we have the crates list and that the "current" on is "test_docs".
-assert-text: (".sidebar-elems > .crate > ul > li > a.current", "test_docs")
+assert-text: (".sidebar-elems .crate > ul > li > a.current", "test_docs")
 // And we're also supposed to have the list of items in the current module.
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(1)", "Modules")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(2)", "Macros")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(3)", "Structs")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(4)", "Enums")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(5)", "Traits")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(6)", "Functions")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(7)", "Type Definitions")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(8)", "Unions")
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(9)", "Keywords")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(1)", "Modules")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(2)", "Macros")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(3)", "Structs")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(4)", "Enums")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(5)", "Traits")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(6)", "Functions")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(7)", "Type Definitions")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(8)", "Unions")
+assert-text: (".sidebar-elems .items > ul > li:nth-child(9)", "Keywords")
 assert-text: ("#structs + .item-table .item-left > a", "Foo")
 click: "#structs + .item-table .item-left > a"
 
@@ -24,13 +24,13 @@ assert-count: (".sidebar .location", 2)
 assert-false: ".sidebar-elems > .crate"
 // We now go back to the crate page to click on the "lib2" crate link.
 goto: file://|DOC_PATH|/test_docs/index.html
-click: ".sidebar-elems > .crate > ul > li:first-child > a"
+click: ".sidebar-elems .crate > ul > li:first-child > a"
 
 // PAGE: lib2/index.html
 goto: file://|DOC_PATH|/lib2/index.html
 assert-text: (".sidebar > .location", "Crate lib2")
 // We check that we have the crates list and that the "current" on is now "lib2".
-assert-text: (".sidebar-elems > .crate > ul > li > a.current", "lib2")
+assert-text: (".sidebar-elems .crate > ul > li > a.current", "lib2")
 // We now go to the "foobar" function page.
 assert-text: (".sidebar-elems > .items > ul > li:nth-child(1)", "Modules")
 assert-text: (".sidebar-elems > .items > ul > li:nth-child(2)", "Structs")
@@ -57,6 +57,6 @@ assert-false: ".sidebar-elems > .crate"
 goto: ./sub_module/sub_sub_module/index.html
 assert-text: (".sidebar > .location", "Module sub_sub_module")
 // We check that we don't have the crate list.
-assert-false: ".sidebar-elems > .crate"
-assert-text: (".sidebar-elems > .items > ul > li:nth-child(1)", "Functions")
+assert-false: ".sidebar-elems .crate"
+assert-text: (".sidebar-elems .items > ul > li:nth-child(1)", "Functions")
 assert-text: ("#functions + .item-table .item-left > a", "foo")