diff --git a/tests/lib/rules/no-constant-condition.js b/tests/lib/rules/no-constant-condition.js
index 91c690883df..2aa4fa73dff 100644
--- a/tests/lib/rules/no-constant-condition.js
+++ b/tests/lib/rules/no-constant-condition.js
@@ -261,6 +261,10 @@ ruleTester.run("no-constant-condition", rule, {
             code: "if([a] - '') {}",
             errors: [{ messageId: "unexpected", type: "BinaryExpression" }]
         },
+        {
+            code: "if(+[a]) {}",
+            errors: [{ messageId: "unexpected", type: "UnaryExpression" }]
+        },
         {
             code: "if(+1) {}",
             errors: [{ messageId: "unexpected", type: "UnaryExpression" }]