Lint on unknown intra-doc link disambiguators

2 files changed, 50 insertions, 0 deletions

diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs
new file mode 100644
index 00000000000..9222025367d
--- /dev/null
+++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.rs
@@ -0,0 +1,10 @@
+//! Linking to [foo@banana] and [`bar@banana!()`].
+//~^ ERROR unknown disambiguator `foo`
+//~| ERROR unknown disambiguator `bar`
+//! And to [no disambiguator](@nectarine) and [another](@apricot!()).
+//~^ ERROR unknown disambiguator ``
+//~| ERROR unknown disambiguator ``
+
+#![deny(warnings)]
+
+fn main() {}
diff --git a/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr
new file mode 100644
index 00000000000..9e7699eea9a
--- /dev/null
+++ b/src/test/rustdoc-ui/intra-doc/unknown-disambiguator.stderr
@@ -0,0 +1,40 @@
+error: unknown disambiguator `foo`
+  --> $DIR/unknown-disambiguator.rs:1:17
+   |
+LL | //! Linking to [foo@banana] and [`bar@banana!()`].
+   |                 ^^^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/unknown-disambiguator.rs:8:9
+   |
+LL | #![deny(warnings)]
+   |         ^^^^^^^^
+   = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]`
+   = note: the disambiguator is the part of the link before the `@` sign, or a suffix such as `()` for functions
+
+error: unknown disambiguator `bar`
+  --> $DIR/unknown-disambiguator.rs:1:34
+   |
+LL | //! Linking to [foo@banana] and [`bar@banana!()`].
+   |                                  ^^^^^^^^^^^^^^^
+   |
+   = note: the disambiguator is the part of the link before the `@` sign, or a suffix such as `()` for functions
+
+error: unknown disambiguator ``
+  --> $DIR/unknown-disambiguator.rs:4:31
+   |
+LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()).
+   |                               ^^^^^^^^^^
+   |
+   = note: the disambiguator is the part of the link before the `@` sign, or a suffix such as `()` for functions
+
+error: unknown disambiguator ``
+  --> $DIR/unknown-disambiguator.rs:4:57
+   |
+LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()).
+   |                                                         ^^^^^^^^^^^
+   |
+   = note: the disambiguator is the part of the link before the `@` sign, or a suffix such as `()` for functions
+
+error: aborting due to 4 previous errors
+