// Test to ensure that the headings anchor behave as expected.
go-to: "file://" + |DOC_PATH| + "/test_docs/struct.HeavilyDocumentedStruct.html"
show-text: true

define-function: (
    "check-heading-anchor",
    [heading_id],
    block {
        // The anchor should not be displayed by default.
        assert-css: ("#" + |heading_id| + " .doc-anchor", { "display": "none" })
        // We ensure that hovering the heading makes the anchor visible.
        move-cursor-to: "#" + |heading_id|
        assert-css: ("#" + |heading_id| + ":hover .doc-anchor", { "display": "block" })
        // We then ensure that moving from the heading to the anchor doesn't make the anchor
        // disappear.
        move-cursor-to: "#" + |heading_id| + " .doc-anchor"
        assert-css: ("#" + |heading_id| + " .doc-anchor:hover", {
            "display": "block",
            // We also ensure that there is no underline decoration.
            "text-decoration-line": "none",
        })
    }
)

move-cursor-to: "#top-doc-prose-title"
// If the top documentation block first element is a heading, we should never display its anchor
// to prevent it from overlapping with the `[-]` element.
assert-css: ("#top-doc-prose-title:hover .doc-anchor", { "display": "none" })

call-function: ("check-heading-anchor", {"heading_id": "top-doc-prose-sub-heading"})
call-function: ("check-heading-anchor", {"heading_id": "top-doc-prose-sub-sub-heading"})
call-function: ("check-heading-anchor", {"heading_id": "you-know-the-drill"})