1 files changed, 28 insertions, 0 deletions
diff --git a/tools/clang-tidy/test/bugprone-string-integer-assignment.cpp b/tools/clang-tidy/test/bugprone-string-integer-assignment.cpp
new file mode 100644
index 0000000000..30ef46b922
--- /dev/null
+++ b/tools/clang-tidy/test/bugprone-string-integer-assignment.cpp
@@ -0,0 +1,28 @@
+// https://clang.llvm.org/extra/clang-tidy/checks/bugprone-string-integer-assignment.html
+
+#include "structures.h"
+
+void test_int()
+{
+  // Numeric types can be implicitly casted to character types.
+  std::string s;
+  int x = 5965;
+  s = 6; // warning
+  s = x; // warning
+}
+
+void test_conversion()
+{
+  // Use the appropriate conversion functions or character literals.
+  std::string s;
+  int x = 5965;
+  s = '6'; // OK
+  s = std::to_string(x); // OK
+}
+
+void test_cast()
+{
+  // In order to suppress false positives, use an explicit cast.
+  std::string s;
+  s = static_cast<char>(6); // OK
+}