✅ Test out of bound slice

zenika-open-source · Nov 13, 2017 · ddf4c50 · ddf4c50
1 parent 5aae427
commit ddf4c50
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/src/core/apply.spec.js b/src/core/apply.spec.js
@@ -105,4 +105,21 @@ describe('Apply', () => {
     )
   })
 
+  immutaTest(
+    input => {
+      const output = inc(input, 'nested.prop[3:5].val', 6)
+      expect(output).toEqual({
+        nested: { prop: [{ val: 0 }, { val: 1 }, undefined, { val: 6 }, { val: 6 }] },
+        other: {},
+      })
+      return output
+    },
+    {
+      nested: { prop: [{ val: 0 }, { val: 1 }] },
+      other: {},
+    },
+    'nested.prop.2',
+    'nested.prop.3.val',
+    'nested.prop.4.val',
+  )
 })