Index: test/clang-tidy/validate-check-names.cpp
===================================================================
--- /dev/null
+++ test/clang-tidy/validate-check-names.cpp
@@ -0,0 +1,2 @@
+// Check names may only contain alphanumeric characters, '-', '_', and '.'.
+// RUN: clang-tidy -checks=* -list-checks - -- | grep '^    ' | cut -b5- | not grep -v '^[a-zA-Z0-9_.\-]\+$'