diff --git a/tests/cases/fourslash/server/documentHighlightsTypeParameterInHeritageClause01.ts b/tests/cases/fourslash/server/documentHighlightsTypeParameterInHeritageClause01.ts
new file mode 100644
index 00000000000..c96e510c522
--- /dev/null
+++ b/tests/cases/fourslash/server/documentHighlightsTypeParameterInHeritageClause01.ts
@@ -0,0 +1,6 @@
+/// <reference path="../fourslash.ts" />
+
+////interface I<[|T|]> extends I<[|T|]>, [|T|] {
+////}
+
+verify.rangesAreDocumentHighlights();
\ No newline at end of file