Rollup merge of #103011 - GuillaumeGomez:improve-unsafe-fn-gui-test, r=notriddle

Improve rustdoc `unsafe-fn` GUI test

r? ``@notriddle``

Author: matthiaskrgr

Diff for: src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version

@@ -1 +1 @@
-0.12.2
+0.12.3

Diff for: src/test/rustdoc-gui/unsafe-fn.goml

@@ -1,37 +1,28 @@
+// Check position and color of the `<sup>` for unsafe elements.
 goto: "file://" + |DOC_PATH| + "/test_docs/index.html"
-
-compare-elements-property: (
-	"//a[@title='test_docs::safe_fn fn']/..",
-	"//a[@title='test_docs::unsafe_fn fn']/..",
-	["clientHeight"]
-)
-
 // If the text isn't displayed, the browser doesn't compute color style correctly...
 show-text: true
 
-// Set the theme to dark.
-local-storage: {"rustdoc-theme": "dark", "rustdoc-preferred-dark-theme": "dark", "rustdoc-use-system-theme": "false"}
-// We reload the page so the local storage settings are being used.
-reload:
-
-assert-css: (".item-left sup", {
-	"color": "rgb(221, 221, 221)"
-})
-
-// Set the theme to ayu.
-local-storage: {"rustdoc-theme": "ayu", "rustdoc-preferred-dark-theme": "ayu", "rustdoc-use-system-theme": "false"}
-// We reload the page so the local storage settings are being used.
-reload:
-
-assert-css: (".item-left sup", {
-	"color": "rgb(197, 197, 197)"
-})
+compare-elements-property: (
+    "//a[@title='test_docs::safe_fn fn']/..",
+    "//a[@title='test_docs::unsafe_fn fn']/..",
+    ["clientHeight"]
+)
 
-// Set the theme to light.
-local-storage: {"rustdoc-theme": "light", "rustdoc-preferred-dark-theme": "light", "rustdoc-use-system-theme": "false"}
-// We reload the page so the local storage settings are being used.
-reload:
+define-function: (
+    "sup-check",
+    // `theme` is the theme being tested.
+    // `color` is the expected color of the `<sup>` element.
+    (theme, color),
+    [
+        // Set the theme.
+        ("local-storage", {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}),
+        // We reload the page so the local storage settings are being used.
+        ("reload"),
+        ("assert-css", (".item-left sup", {"color": |color|})),
+    ],
+)
 
-assert-css: (".item-left sup", {
-	"color": "rgb(0, 0, 0)"
-})
+call-function: ("sup-check", ("dark", "rgb(221, 221, 221)"))
+call-function: ("sup-check", ("ayu", "rgb(197, 197, 197)"))
+call-function: ("sup-check", ("light", "rgb(0, 0, 0)"))