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-rw-r--r--compilerplugins/clang/test/buriedassign.cxx133
1 files changed, 133 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/buriedassign.cxx b/compilerplugins/clang/test/buriedassign.cxx
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+/* -*- 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 <map>
+#include <memory>
+#include <rtl/ustring.hxx>
+
+namespace test1
+{
+int foo(int);
+
+void main()
+{
+ int x = 1;
+ foo(x = 2);
+ // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ int y = x = 1; // no warning expected
+ (void)y;
+ int z = foo(x = 1);
+ // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ (void)z;
+ switch (x = 1)
+ { // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ }
+ std::map<int, int> map1;
+ map1[x = 1] = 1;
+ // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+}
+}
+
+namespace test2
+{
+struct MyInt
+{
+ int x;
+ MyInt(int i)
+ : x(i)
+ {
+ }
+ MyInt(MyInt const&) = default;
+ MyInt& operator=(MyInt const&) = default;
+ MyInt& operator=(int) { return *this; }
+ bool operator<(MyInt const& other) const { return x < other.x; }
+};
+
+MyInt foo(MyInt);
+
+void main()
+{
+ MyInt x = 1;
+ foo(x = 2);
+ // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ MyInt y = x = 1; // no warning expected
+ (void)y;
+ MyInt z = foo(x = 1);
+ // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ (void)z;
+ z = x; // no warning expected
+ std::map<MyInt, int> map1;
+ map1[x = 1] = 1;
+ // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+}
+}
+
+namespace test3
+{
+void main(OUString sUserAutoCorrFile, OUString sExt)
+{
+ OUString sRet;
+ if (sUserAutoCorrFile == "xxx")
+ sRet = sUserAutoCorrFile; // no warning expected
+ if (sUserAutoCorrFile == "yyy")
+ (sRet = sUserAutoCorrFile)
+ += sExt; // expected-error@-1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+}
+}
+
+// no warning expected
+namespace test4
+{
+struct Task
+{
+ void exec();
+};
+std::unique_ptr<Task> pop();
+
+void foo()
+{
+ std::unique_ptr<Task> pTask;
+ while ((pTask = pop()))
+ pTask->exec();
+}
+}
+
+namespace test5
+{
+void main(OUString sUserAutoCorrFile, int* p2)
+{
+ OUString sRet;
+ int* p1;
+ if (sUserAutoCorrFile == "yyy" && (p1 = p2))
+ sRet = sUserAutoCorrFile;
+ if (sUserAutoCorrFile == "yyy" && nullptr != (p1 = p2))
+ sRet = sUserAutoCorrFile;
+ // expected-error@+1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ if (nullptr != (p1 = p2))
+ sRet = sUserAutoCorrFile;
+ // expected-error@+1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ if ((p1 = p2) != nullptr)
+ sRet = sUserAutoCorrFile;
+ // expected-error@+1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ if ((p1 = p2))
+ sRet = sUserAutoCorrFile;
+ // expected-error@+1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ if ((p1 = p2) && sUserAutoCorrFile == "yyy")
+ sRet = sUserAutoCorrFile;
+ // expected-error@+1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ if ((p1 = p2) || sUserAutoCorrFile == "yyy")
+ sRet = sUserAutoCorrFile;
+ // expected-error@+1 {{buried assignment, rather put on own line [loplugin:buriedassign]}}
+ if ((p1 = p2) && sUserAutoCorrFile == "yyy")
+ sRet = sUserAutoCorrFile;
+ (void)sRet;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */