From c990da265a4e980c9d9f4ffdbd2d293c4f5225af Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Mon, 9 Feb 2026 07:45:03 -0600
Subject: [PATCH] Add unit tests for FlashStringLiteral

Cover the three lines reported uncovered by codecov in
cpp_generator.py (FlashStringLiteral.__init__ and __str__).
---
 tests/unit_tests/test_cpp_generator.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/unit_tests/test_cpp_generator.py b/tests/unit_tests/test_cpp_generator.py
index 8755e6e2a1..84b555316f 100644
--- a/tests/unit_tests/test_cpp_generator.py
+++ b/tests/unit_tests/test_cpp_generator.py
@@ -248,6 +248,12 @@ class TestLiterals:
             (cg.FloatLiteral(4.2), "4.2f"),
             (cg.FloatLiteral(1.23456789), "1.23456789f"),
             (cg.FloatLiteral(math.nan), "NAN"),
+            (cg.FlashStringLiteral("hello"), 'ESPHOME_F("hello")'),
+            (cg.FlashStringLiteral(""), 'ESPHOME_F("")'),
+            (
+                cg.FlashStringLiteral('quote"here'),
+                'ESPHOME_F("quote\\042here")',
+            ),
         ),
     )
     def test_str__simple(self, target: cg.Literal, expected: str):