From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:06:44 +0200
Subject: Adding upstream version 4:7.4.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 compilerplugins/clang/test/stringconcatauto.cxx | 56 +++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 compilerplugins/clang/test/stringconcatauto.cxx

(limited to 'compilerplugins/clang/test/stringconcatauto.cxx')

diff --git a/compilerplugins/clang/test/stringconcatauto.cxx b/compilerplugins/clang/test/stringconcatauto.cxx
new file mode 100644
index 000000000..678d12dd6
--- /dev/null
+++ b/compilerplugins/clang/test/stringconcatauto.cxx
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * Based on LLVM/Clang.
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ */
+
+#include <rtl/ustring.hxx>
+
+void foo()
+{
+    auto str1 = "str1" + OUString::number(10);
+    // expected-error-re@-1 {{creating a variable of type {{.+}} will make it reference temporaries}}
+    // expected-note@-2 {{use OUString instead}}
+    OUString str2 = "str2" + OUString::number(20) + "ing";
+    const auto& str3 = "str3" + OUString::number(30);
+    // expected-error-re@-1 {{creating a variable of type {{.+}} will make it reference temporaries}}
+    // expected-note@-2 {{use OUString instead}}
+    const auto str4 = "str4" + OString::number(40);
+    // expected-error-re@-1 {{creating a variable of type {{.+}} will make it reference temporaries}}
+    // expected-note@-2 {{use OString instead}}
+    auto str5 = OUString::number(50);
+    (void)str1;
+    (void)str2;
+    (void)str3;
+    (void)str4;
+    (void)str5;
+}
+
+struct A
+{
+    auto bar()
+    // expected-error-re@-1 {{returning a variable of type {{.+}} will make it reference temporaries}}
+    // expected-note@-2 {{use OString instead}}
+    {
+        return "bar" + OString::number(110);
+    }
+    auto baz() { return OString::number(120); }
+};
+
+template <typename T> void fun(const T& par)
+// parameters are without warnings
+{
+    const T& var = par;
+    // expected-error-re@-1 {{creating a variable of type 'const rtl::OUStringConcat<{{.*}}> &' will make it reference temporaries}}
+    // expected-note@-2 {{use OUString instead}}
+    (void)var;
+}
+
+void testfun() { fun("fun" + OUString::number(200)); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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