From 20489626e83705908a7a83a10d4d03ab284d2a6b Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 7 Jan 2023 16:50:28 +0100
Subject: [PATCH] Remove code restoring errno in StringTestCase::Format()

There doesn't seem to be any need to do this, so don't.
---
 tests/strings/strings.cpp | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/tests/strings/strings.cpp b/tests/strings/strings.cpp
index b751de07f7..84569f043f 100644
--- a/tests/strings/strings.cpp
+++ b/tests/strings/strings.cpp
@@ -172,16 +172,10 @@ void StringTestCase::Format()
         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(wxT("%s"), s.c_str()).length());
     }
 
-    int errnoWas = errno;
     // wxString::Format() should not modify errno
     errno = 1234;
     wxString::Format("abc %d %d", 1, 1);
-    CPPUNIT_ASSERT_EQUAL
-    (
-        1234,
-        errno
-    );
-    errno = errnoWas;
+    CPPUNIT_ASSERT_EQUAL(1234, errno);
 
     // Positional parameters tests:
     CPPUNIT_ASSERT_EQUAL