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diff --git a/src/test/rustdoc-gui/source-code-page.goml b/src/test/rustdoc-gui/source-code-page.goml
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+// Checks that the interactions with the source code pages are working as expected.
+goto: file://|DOC_PATH|/src/test_docs/lib.rs.html
+// Check that we can click on the line number.
+click: ".line-numbers > span:nth-child(4)" // This is the span for line 4.
+// Ensure that the page URL was updated.
+assert-document-property: ({"URL": "lib.rs.html#4"}, ENDS_WITH)
+assert-attribute: ("//*[@id='4']", {"class": "line-highlighted"})
+// We now check that the good spans are highlighted
+goto: file://|DOC_PATH|/src/test_docs/lib.rs.html#4-6
+assert-attribute-false: (".line-numbers > span:nth-child(3)", {"class": "line-highlighted"})
+assert-attribute: (".line-numbers > span:nth-child(4)", {"class": "line-highlighted"})
+assert-attribute: (".line-numbers > span:nth-child(5)", {"class": "line-highlighted"})
+assert-attribute: (".line-numbers > span:nth-child(6)", {"class": "line-highlighted"})
+assert-attribute-false: (".line-numbers > span:nth-child(7)", {"class": "line-highlighted"})
+// This is to ensure that the content is correctly align with the line numbers.
+compare-elements-position: ("//*[@id='1']", ".rust > code > span", ("y"))
+
+// Assert that the line numbers text is aligned to the right.
+assert-css: (".line-numbers", {"text-align": "right"})
+
+// Now let's check that clicking on something else than the line number doesn't
+// do anything (and certainly not add a `#NaN` to the URL!).
+show-text: true
+goto: file://|DOC_PATH|/src/test_docs/lib.rs.html
+// We use this assert-position to know where we will click.
+assert-position: ("//*[@id='1']", {"x": 104, "y": 103})
+// We click on the left of the "1" span but still in the "line-number" `<pre>`.
+click: (103, 103)
+assert-document-property: ({"URL": "/lib.rs.html"}, ENDS_WITH)
+
+// Checking the source code sidebar.
+
+// First we "open" it.
+click: "#sidebar-toggle"
+assert: ".source-sidebar-expanded"
+
+// We check that the first entry of the sidebar is collapsed
+assert-property: ("#source-sidebar details:first-of-type", {"open": "false"})
+assert-text: ("#source-sidebar details:first-of-type > summary", "implementors")
+// We now click on it.
+click: "#source-sidebar details:first-of-type > summary"
+assert-property: ("#source-sidebar details:first-of-type", {"open": "true"})
+
+// And now we collapse it again.
+click: "#source-sidebar details:first-of-type > summary"
+assert-property: ("#source-sidebar details:first-of-type", {"open": "false"})
+
+// Check the spacing.
+assert-css: ("#source-sidebar > details.dir-entry", {"padding-left": "4px"})