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-rw-r--r--compilerplugins/clang/test/sequentialassign.cxx98
1 files changed, 98 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/sequentialassign.cxx b/compilerplugins/clang/test/sequentialassign.cxx
new file mode 100644
index 000000000..b7182db5c
--- /dev/null
+++ b/compilerplugins/clang/test/sequentialassign.cxx
@@ -0,0 +1,98 @@
+/* -*- 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/.
+ */
+
+#include <rtl/ustring.hxx>
+
+#pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+
+namespace test1
+{
+void f(OUString s1)
+{
+ OUString s2 = s1;
+ // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
+ s2 = s2.getToken(0, '(');
+}
+}
+
+namespace test2
+{
+OUString s2;
+void f(OUString s1)
+{
+ s2 = s1;
+ // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
+ s2 = s2.getToken(0, '(');
+}
+}
+
+namespace test3
+{
+struct VolumeInfo
+{
+ OUString getFileSystemName();
+};
+OUString aNullURL("");
+void f(VolumeInfo _aVolumeInfo)
+{
+ OUString aFileSysName(aNullURL);
+ // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
+ aFileSysName = _aVolumeInfo.getFileSystemName();
+}
+}
+
+namespace test4
+{
+struct B3DVector
+{
+ B3DVector getPerpendicular();
+};
+void f(B3DVector aNewVPN)
+{
+ B3DVector aNewToTheRight = aNewVPN;
+ // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
+ aNewToTheRight = aNewToTheRight.getPerpendicular();
+}
+}
+
+namespace test5
+{
+void f(OUString s, int x)
+{
+ int nPos = x;
+ // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
+ nPos = s.indexOf("x", nPos);
+}
+}
+
+namespace test6
+{
+void f()
+{
+ OUString s2("xxxx");
+ s2 = s2.getToken(0, '('); // no warning expected
+}
+}
+
+namespace test7
+{
+class Class1
+{
+ OUString m_field1;
+ void foo(Class1& rOther)
+ {
+ OUString s = rOther.m_field1;
+ // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}}
+ s = s.copy(1, 2);
+ }
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */