diff --git a/tests/cases/fourslash/completionForStringLiteral5.ts b/tests/cases/fourslash/completionForStringLiteral5.ts
new file mode 100644
index 00000000000..3752734d913
--- /dev/null
+++ b/tests/cases/fourslash/completionForStringLiteral5.ts
@@ -0,0 +1,15 @@
+/// <reference path='fourslash.ts'/>
+
+////interface Foo {
+////    foo: string;
+////    bar: string;
+////}
+////
+////function f<K extends keyof Foo>(a: K) { };
+////f("/*1*/
+
+goTo.marker('1');
+verify.completionListContains("foo");
+verify.completionListContains("bar");
+verify.memberListCount(2);
+