1 files changed, 23 insertions, 1 deletions
diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index 528e4cf57cb..b332f1bd975 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -2334,5 +2334,27 @@ TEST_F(FormatTestJS, ConditionalTypes) {
       "                     never) extends((k: infer I) => void) ? I : never;");
 }
 
-} // end namespace tooling
+TEST_F(FormatTestJS, SupportPrivateFieldsAndMethods) {
+  verifyFormat("class Example {\n"
+               "  pub = 1;\n"
+               "  #priv = 2;\n"
+               "  static pub2 = 'foo';\n"
+               "  static #priv2 = 'bar';\n"
+               "  method() {\n"
+               "    this.#priv = 5;\n"
+               "  }\n"
+               "  static staticMethod() {\n"
+               "    switch (this.#priv) {\n"
+               "      case '1':\n"
+               "        #priv = 3;\n"
+               "        break;\n"
+               "    }\n"
+               "  }\n"
+               "  #privateMethod() {\n"
+               "    this.#privateMethod();  // infinite loop\n"
+               "  }\n"
+               "  static #staticPrivateMethod() {}\n");
+}
+
+} // namespace format
 } // end namespace clang