1 files changed, 74 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/cstylecast.cxx b/compilerplugins/clang/test/cstylecast.cxx
new file mode 100644
index 0000000000..8d212700ae
--- /dev/null
+++ b/compilerplugins/clang/test/cstylecast.cxx
@@ -0,0 +1,74 @@
+/* -*- 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 <sal/config.h>
+
+#include <sal/types.h>
+
+namespace N
+{
+enum E
+{
+    E1
+};
+
+using T = unsigned int;
+}
+
+void FunctionalCast(void* p)
+{
+    // expected-error-re@+1 {{Function-style cast from 'void *' to 'sal_IntPtr' (aka '{{.+}}') (performs: reinterpret_cast) (PointerToIntegral) [loplugin:cstylecast]}}
+    auto n = sal_IntPtr(p);
+    (void(n)); // no warning expected (outer parens to disambiguate expr vs. decl)
+}
+
+static const int C
+    = (int)0; // expected-error {{C-style cast from 'int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+
+int main()
+{
+    constexpr int c1 = 0;
+    int const c2 = 0;
+    int n
+        = (int)0; // expected-error {{C-style cast from 'int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    n = (signed int)0; // expected-error {{C-style cast from 'int' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)~0; // expected-error {{C-style cast from 'int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)-0; // expected-error {{C-style cast from 'int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)+0; // expected-error {{C-style cast from 'int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)!0; // expected-error {{C-style cast from 'bool' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int) // expected-error {{C-style cast from 'int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        (0 << 0);
+    n = (int) // expected-error {{C-style cast from 'const int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        c1;
+    n = (int) // expected-error {{C-style cast from 'const int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        c2;
+    n = (int) // expected-error {{C-style cast from 'const int' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        C;
+    n = (int) // expected-error {{C-style cast from 'N::E' to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        N::E1;
+    n = (N::E) // expected-error {{C-style cast from 'N::E' to 'N::E' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        N::E1;
+    n = (enum // expected-error {{C-style cast from 'N::E' to 'enum N::E' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+         N::E)N::E1;
+    n = (N::T)0; // expected-error {{C-style cast from 'int' to 'N::T' (aka 'unsigned int') (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int) // expected-error-re {{C-style cast from {{.*}} to 'int' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+        sizeof(int);
+    n = (int) // expected-error {{C-style cast from 'int' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+        n;
+    n = (int)~n; // expected-error {{C-style cast from 'int' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)-n; // expected-error {{C-style cast from 'int' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)+n; // expected-error {{C-style cast from 'int' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int)!n; // expected-error {{C-style cast from 'bool' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+    n = (int) // expected-error {{C-style cast from 'int' to 'int' (performs: static_cast) (NoOp) [loplugin:cstylecast]}}
+        (0 << n);
+    n = (double)0; // expected-error {{C-style cast from 'int' to 'double' (performs: functional cast) (NoOp) [loplugin:cstylecast]}}
+    (void)n;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */