diff --git a/tests/operators/operator.cc b/tests/operators/operator.cc
new file mode 100644
index 00000000..13f424ac
--- /dev/null
+++ b/tests/operators/operator.cc
@@ -0,0 +1,71 @@
+class Foo {
+  void operator()(int) { }
+  void operator()(bool);
+  int operator()(int a, int b);
+};
+
+friend Foo &operator += (const Foo&, const Type&);
+
+/*
+OUTPUT:
+{
+  "types": [{
+      "id": 0,
+      "usr": "c:@S@Foo",
+      "short_name": "Foo",
+      "detailed_name": "Foo",
+      "definition_spelling": "1:7-1:10",
+      "definition_extent": "1:1-5:2",
+      "funcs": [0, 1, 2],
+      "uses": ["1:7-1:10", "7:8-7:11", "7:32-7:35"]
+    }],
+  "funcs": [{
+      "id": 0,
+      "is_operator": true,
+      "usr": "c:@S@Foo@F@operator()#I#",
+      "short_name": "operator()",
+      "detailed_name": "void Foo::operator()(int)",
+      "definition_spelling": "2:8-2:18",
+      "definition_extent": "2:3-2:27",
+      "declaring_type": 0
+    }, {
+      "id": 1,
+      "is_operator": true,
+      "usr": "c:@S@Foo@F@operator()#b#",
+      "short_name": "operator()",
+      "detailed_name": "void Foo::operator()(bool)",
+      "declarations": [{
+          "spelling": "3:8-3:18",
+          "extent": "3:3-3:24",
+          "content": "void operator()(bool)",
+          "param_spellings": ["3:23-3:23"]
+        }],
+      "declaring_type": 0
+    }, {
+      "id": 2,
+      "is_operator": true,
+      "usr": "c:@S@Foo@F@operator()#I#I#",
+      "short_name": "operator()",
+      "detailed_name": "int Foo::operator()(int, int)",
+      "declarations": [{
+          "spelling": "4:7-4:17",
+          "extent": "4:3-4:31",
+          "content": "int operator()(int a, int b)",
+          "param_spellings": ["4:22-4:23", "4:29-4:30"]
+        }],
+      "declaring_type": 0
+    }, {
+      "id": 3,
+      "is_operator": true,
+      "usr": "c:@F@operator+=#&1$@S@Foo#&1I#",
+      "short_name": "operator+=",
+      "detailed_name": "Foo &operator+=(const Foo &, const int &)",
+      "declarations": [{
+          "spelling": "7:13-7:24",
+          "extent": "7:1-7:50",
+          "content": "friend Foo &operator += (const Foo&, const Type&)",
+          "param_spellings": ["7:36-7:36", "7:49-7:49"]
+        }]
+    }]
+}
+*/