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-rw-r--r--tools/clang-tidy/test/bugprone-unused-raii.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/clang-tidy/test/bugprone-unused-raii.cpp b/tools/clang-tidy/test/bugprone-unused-raii.cpp
new file mode 100644
index 0000000000..6a4a0a15ab
--- /dev/null
+++ b/tools/clang-tidy/test/bugprone-unused-raii.cpp
@@ -0,0 +1,25 @@
+// https://clang.llvm.org/extra/clang-tidy/checks/bugprone-unused-raii.html
+
+struct scoped_lock
+{
+ scoped_lock() {}
+ ~scoped_lock() {}
+};
+
+#define SCOPED_LOCK_MACRO(m) scoped_lock()
+
+struct trivial_scoped_lock
+{
+ trivial_scoped_lock() {}
+};
+
+scoped_lock test()
+{
+ scoped_lock(); // misc-unused-raii warning!
+
+ SCOPED_LOCK_MACRO(); // no warning for macros
+
+ trivial_scoped_lock(); // no warning for trivial objects without destructors
+
+ return scoped_lock(); // no warning for return values
+}