1 files changed, 113 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/stringviewparam.cxx b/compilerplugins/clang/test/stringviewparam.cxx
new file mode 100644
index 0000000000..abb98797b1
--- /dev/null
+++ b/compilerplugins/clang/test/stringviewparam.cxx
@@ -0,0 +1,113 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#undef NDEBUG
+
+#include "sal/config.h"
+
+#include <string_view>
+
+#include "rtl/string.hxx"
+#include "rtl/ustring.hxx"
+#include "rtl/ustrbuf.hxx"
+#include "sal/types.h"
+
+void f1a(std::string_view);
+// expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OString &' with 'std::string_view' [loplugin:stringviewparam]}}
+char f1b(OString const& s)
+{
+    f1a(s);
+    OString rest;
+    if (s.isEmpty() || s.startsWith("foo", &rest) || s.endsWith("foo"))
+    {
+        f1a(std::string_view(s));
+    }
+    return s[0];
+}
+
+void f2a(std::u16string_view);
+// expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+sal_Unicode f2b(OUString const& s)
+{
+    f2a(s);
+    OUString rest;
+    if (s.isEmpty() || s.startsWith("foo", &rest) || s.endsWith("foo"))
+    {
+        f2a(std::u16string_view(s));
+    }
+    return s[0];
+}
+
+void f3a(OUString const&) {}
+using F3 = void(OUString const&);
+F3* f3b() { return f3a; }
+
+SAL_DLLPUBLIC_EXPORT void f4(OUString const&) {}
+
+template <typename T> void f5(T const&);
+template <> void f5<OUString>(OUString const&) {}
+
+void f6([[maybe_unused]] OUString const&) {}
+
+bool f7(
+    // expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+    const OUString& p1,
+    // expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+    const OUString& p2)
+{
+    return p1 == p2;
+}
+// expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+bool f8(const OUString& p1, std::u16string_view p2) { return p1 == p2; }
+
+struct Converter
+{
+    // expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+    static bool convertBool(bool& rBool, const OUString& rString)
+    {
+        rBool = rString == "true";
+        return rBool || (rString == "false");
+    }
+};
+
+void f9(std::u16string_view);
+void f9(OUString const& s) { return f9(std::u16string_view(s)); }
+
+struct S10
+{
+    S10(std::u16string_view);
+    S10(OUString const& s)
+        : S10(std::u16string_view(s))
+    {
+    }
+};
+
+// expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+void f11(const OUString& f11rString)
+{
+    OUStringBuffer buf;
+    buf.append(f11rString);
+}
+
+// expected-error-re@+1 {{replace function parameter of type 'const {{(rtl::)?}}OUString &' with 'std::u16string_view' [loplugin:stringviewparam]}}
+sal_uInt32 decimalStringToNumber(OUString const& str, sal_Int32 nStart, sal_Int32 nLength)
+{
+    sal_uInt32 result = 0;
+    for (sal_Int32 i = nStart; i < nStart + nLength;)
+    {
+        sal_uInt32 c = str.iterateCodePoints(&i);
+        sal_uInt32 value = 0;
+        if (c <= 0x0039)
+            value = c - 0x0030;
+        result = result * 10 + value;
+    }
+    return result;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */