rustdoc-search: add support for nested generics

2 files changed, 52 insertions, 0 deletions

diff --git a/tests/rustdoc-js/generics-nested.js b/tests/rustdoc-js/generics-nested.js
new file mode 100644
index 00000000000..8701f2d4986
--- /dev/null
+++ b/tests/rustdoc-js/generics-nested.js
@@ -0,0 +1,33 @@
+// exact-check
+
+const QUERY = [
+    '-> Out<First<Second>>',
+    '-> Out<Second<First>>',
+    '-> Out<First, Second>',
+    '-> Out<Second, First>',
+];
+
+const EXPECTED = [
+    {
+        // -> Out<First<Second>>
+        'others': [
+            { 'path': 'generics_nested', 'name': 'alef' },
+        ],
+    },
+    {
+        // -> Out<Second<First>>
+        'others': [],
+    },
+    {
+        // -> Out<First, Second>
+        'others': [
+            { 'path': 'generics_nested', 'name': 'bet' },
+        ],
+    },
+    {
+        // -> Out<Second, First>
+        'others': [
+            { 'path': 'generics_nested', 'name': 'bet' },
+        ],
+    },
+];
diff --git a/tests/rustdoc-js/generics-nested.rs b/tests/rustdoc-js/generics-nested.rs
new file mode 100644
index 00000000000..5140422e384
--- /dev/null
+++ b/tests/rustdoc-js/generics-nested.rs
@@ -0,0 +1,19 @@
+pub struct Out<A, B = ()> {
+    a: A,
+    b: B,
+}
+
+pub struct First<In = ()> {
+    in_: In,
+}
+
+pub struct Second;
+
+// Out<First<Second>>
+pub fn alef() -> Out<First<Second>> {
+    loop {}
+}
+
+pub fn bet() -> Out<First, Second> {
+    loop {}
+}