1 files changed, 22 insertions, 0 deletions

diff --git a/test/jsUtils.test.ts b/test/jsUtils.test.ts
index 7245d9a68..411ef28f9 100644
--- a/test/jsUtils.test.ts
+++ b/test/jsUtils.test.ts
@@ -127,4 +127,26 @@ describe('jsUtils', () => {
       expect(jsUtils.safeParseInt(47.45)).toEqual(47);
     });
   });
+
+  describe('acceleratorString', () => {
+    it('handles without prefix and suffix', () => {
+      expect(jsUtils.acceleratorString(5, 'abc')).toEqual('(abc+5)');
+    });
+
+    it('handles index = 0', () => {
+      expect(jsUtils.acceleratorString(0, 'abc')).toEqual('(abc+0)');
+    });
+
+    it('handles index = 1', () => {
+      expect(jsUtils.acceleratorString(1, 'abc')).toEqual('(abc+1)');
+    });
+
+    it('handles index = 10', () => {
+      expect(jsUtils.acceleratorString(10, 'abc')).toEqual('(abc+0)');
+    });
+
+    it('handles index = 11', () => {
+      expect(jsUtils.acceleratorString(11, 'abc')).toEqual(undefined);
+    });
+  });
 });