rustdoc: add test case for multiple traits and erased names

rust-lang#92339 (comment)
notriddle · Jan 26, 2022 · f5cdfb4 · f5cdfb4
1 parent a7f3757
commit f5cdfb4
Show file tree

Hide file tree

Showing 2 changed files with 44 additions and 0 deletions.
diff --git a/src/test/rustdoc-js/generics-multi-trait.js b/src/test/rustdoc-js/generics-multi-trait.js
@@ -0,0 +1,32 @@
+// exact-check
+
+const QUERY = [
+    'Result<SomeTrait>',
+    'Zzzzzzzzzzzzzzzzzz',
+    'Nonononononononono',
+];
+
+const EXPECTED = [
+    // check one of the generic items
+    {
+        'in_args': [
+            { 'path': 'generics_multi_trait', 'name': 'beta' },
+        ],
+        'returned': [
+            { 'path': 'generics_multi_trait', 'name': 'bet' },
+        ],
+    },
+    {
+        'in_args': [
+            { 'path': 'generics_multi_trait', 'name': 'beta' },
+        ],
+        'returned': [
+            { 'path': 'generics_multi_trait', 'name': 'bet' },
+        ],
+    },
+    // ignore the name of the generic itself
+    {
+        'in_args': [],
+        'returned': [],
+    },
+];
diff --git a/src/test/rustdoc-js/generics-multi-trait.rs b/src/test/rustdoc-js/generics-multi-trait.rs
@@ -0,0 +1,12 @@
+pub trait SomeTrait {}
+pub trait Zzzzzzzzzzzzzzzzzz {}
+
+pub fn bet<Nonononononononono: SomeTrait + Zzzzzzzzzzzzzzzzzz>() -> Result<Nonononononononono, ()> {
+    loop {}
+}
+
+pub fn beta<Nonononononononono: SomeTrait + Zzzzzzzzzzzzzzzzzz>(
+    _param: Result<Nonononononononono, ()>,
+) {
+    loop {}
+}