[clang-doc] Precommit test for correct conversion function names (#141168)

Author: evelez7

clang-tools-extra/test/clang-doc/conversion_function.cpp

@@ -0,0 +1,19 @@
+// RUN: rm -rf %t && mkdir -p %t
+
+// RUN: clang-doc --output=%t --executor=standalone %s 
+// RUN: find %t/ -regex ".*/[0-9A-F]*.yaml" -exec cat {} ";" | FileCheck %s --check-prefix=CHECK-YAML
+
+// RUN: clang-doc --format=html --output=%t --executor=standalone %s 
+// FileCheck %s --check-prefix=CHECK-HTML
+
+template <typename T>
+struct MyStruct {
+  operator T();
+};
+
+// Output incorrect conversion names.
+// CHECK-YAML:         Name:            'operator type-parameter-0-0'
+// CHECK-YAML-NOT:     Name:            'operator T'
+
+// CHECK-HTML-NOT: <h3 id='{{[0-9A-F]*}}'>operator T</h3>
+// CHECK-HTML-NOT: <p>public T operator T()</p>