1 files changed, 6 insertions, 0 deletions
diff --git a/unittests/Format/FormatTestJS.cpp b/unittests/Format/FormatTestJS.cpp
index eda9e0a31da4..9144fe17e9ec 100644
--- a/unittests/Format/FormatTestJS.cpp
+++ b/unittests/Format/FormatTestJS.cpp
@@ -1786,5 +1786,11 @@ TEST_F(FormatTestJS, ImportComments) {
                getGoogleJSStyleWithColumns(25));
   verifyFormat("// taze: x from 'location'", getGoogleJSStyleWithColumns(10));
 }
+
+TEST_F(FormatTestJS, Exponentiation) {
+  verifyFormat("squared = x ** 2;");
+  verifyFormat("squared **= 2;");
+}
+
 } // end namespace tooling
 } // end namespace clang