Add search test for new macro kinds

Author: GuillaumeGomez

tests/rustdoc-js/macro-kinds.js

@@ -0,0 +1,17 @@
+// exact-check                                                                                          
+const EXPECTED = [
+    {
+        'query': 'macro:macro',
+        'others': [
+            { 'path': 'macro_kinds', 'name': 'macro1' },
+            { 'path': 'macro_kinds', 'name': 'macro3' },
+        ],
+    },
+    {
+        'query': 'attr:macro',
+        'others': [
+            { 'path': 'macro_kinds', 'name': 'macro1' },
+            { 'path': 'macro_kinds', 'name': 'macro2' },
+        ],
+    },
+];

tests/rustdoc-js/macro-kinds.rs

@@ -0,0 +1,21 @@
+// Test which ensures that attribute macros are correctly handled by the search.
+// For example: `macro1` should appear in both `attr` and `macro` filters whereas
+// `macro2` and `macro3` should only appear in `attr` or `macro` filters respectively.
+
+#![feature(macro_attr)]
+
+#[macro_export]
+macro_rules! macro1 {
+    attr() () => {};
+    () => {};
+}
+
+#[macro_export]
+macro_rules! macro2 {
+    attr() () => {};
+}
+
+#[macro_export]
+macro_rules! macro3 {
+    () => {};
+}