rustdoc: fix font color inheritance from body, and test

1 files changed, 73 insertions, 0 deletions

diff --git a/src/test/rustdoc-gui/notable-trait.goml b/src/test/rustdoc-gui/notable-trait.goml
index 81d381ed126..d8261d8dc90 100644
--- a/src/test/rustdoc-gui/notable-trait.goml
+++ b/src/test/rustdoc-gui/notable-trait.goml
@@ -137,3 +137,76 @@ compare-elements-position-false: (
     "//*[@id='method.create_an_iterator_from_read']//*[@class='notable-traits']",
     ("y", "x"),
 )
+
+// Now check the colors.
+define-function: (
+    "check-colors",
+    (theme, header_color, content_color, type_color, trait_color),
+    [
+        ("goto", "file://" + |DOC_PATH| + "/test_docs/struct.NotableStructWithLongName.html"),
+        // This is needed to ensure that the text color is computed.
+        ("show-text", true),
+
+        // Setting 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"),
+
+        ("move-cursor-to", "//*[@id='method.create_an_iterator_from_read']//*[@class='notable-traits']"),
+        ("assert-count", (".notable-traits-tooltiptext", 1)),
+
+        ("assert-css", (
+             ".notable-traits-tooltiptext h3.notable",
+             {"color": |header_color|},
+             ALL,
+        )),
+        ("assert-css", (
+             ".notable-traits-tooltiptext pre.content",
+             {"color": |content_color|},
+             ALL,
+        )),
+        ("assert-css", (
+             ".notable-traits-tooltiptext pre.content a.struct",
+             {"color": |type_color|},
+             ALL,
+        )),
+        ("assert-css", (
+             ".notable-traits-tooltiptext pre.content a.trait",
+             {"color": |trait_color|},
+             ALL,
+        )),
+    ]
+)
+
+call-function: (
+    "check-colors",
+    {
+        "theme": "ayu",
+        "content_color": "rgb(230, 225, 207)",
+        "header_color": "rgb(255, 255, 255)",
+        "type_color": "rgb(255, 160, 165)",
+        "trait_color": "rgb(57, 175, 215)",
+    },
+)
+
+call-function: (
+    "check-colors",
+    {
+        "theme": "dark",
+        "content_color": "rgb(221, 221, 221)",
+        "header_color": "rgb(221, 221, 221)",
+        "type_color": "rgb(45, 191, 184)",
+        "trait_color": "rgb(183, 140, 242)",
+    },
+)
+
+call-function: (
+    "check-colors",
+    {
+        "theme": "light",
+        "content_color": "rgb(0, 0, 0)",
+        "header_color": "rgb(0, 0, 0)",
+        "type_color": "rgb(173, 55, 138)",
+        "trait_color": "rgb(110, 79, 201)",
+    },
+)