Add test for trailing whitespace in long declaration

1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/rustdoc/decl-trailing-whitespace.rs b/src/test/rustdoc/decl-trailing-whitespace.rs
new file mode 100644
index 00000000000..46a2307abef
--- /dev/null
+++ b/src/test/rustdoc/decl-trailing-whitespace.rs
@@ -0,0 +1,30 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/98803>.
+
+#![crate_name = "foo"]
+
+pub struct Error;
+
+// @has 'foo/trait.Write.html'
+
+pub trait Write {
+    // @snapshot 'declaration' - '//*[@class="docblock item-decl"]//code'
+    fn poll_write(
+        self: Option<String>,
+        cx: &mut Option<String>,
+        buf: &mut [usize]
+    ) -> Option<Result<usize, Error>>;
+    fn poll_flush(
+        self: Option<String>,
+        cx: &mut Option<String>
+    ) -> Option<Result<(), Error>>;
+    fn poll_close(
+        self: Option<String>,
+        cx: &mut Option<String>,
+    ) -> Option<Result<(), Error>>;
+
+    fn poll_write_vectored(
+        self: Option<String>,
+        cx: &mut Option<String>,
+        bufs: &[usize]
+    ) -> Option<Result<usize, Error>> {}
+}