1 files changed, 44 insertions, 0 deletions
diff --git a/clang-tools-extra/test/clang-tidy/google-namespaces.cpp b/clang-tools-extra/test/clang-tidy/google-namespaces.cpp
index 891aee3951a..9bda3c0451b 100644
--- a/clang-tools-extra/test/clang-tidy/google-namespaces.cpp
+++ b/clang-tools-extra/test/clang-tidy/google-namespaces.cpp
@@ -6,3 +6,47 @@ using namespace spaaaace;
 // CHECK: :[[@LINE-1]]:1: warning: do not use namespace using-directives; use using-declarations instead [google-build-using-namespace]
 
 using spaaaace::core; // no-warning
+
+namespace std {
+inline namespace literals {
+inline namespace chrono_literals {
+}
+inline namespace complex_literals {
+}
+inline namespace string_literals {
+}
+}
+}
+
+using namespace std::chrono_literals;            // no-warning
+using namespace std::complex_literals;           // no-warning
+using namespace std::literals;                   // no-warning
+using namespace std::literals::chrono_literals;  // no-warning
+using namespace std::literals::complex_literals; // no-warning
+using namespace std::literals::string_literals;  // no-warning
+using namespace std::string_literals;            // no-warning
+
+namespace literals {}
+
+using namespace literals;
+// CHECK: :[[@LINE-1]]:1: warning: do not use namespace using-directives; use using-declarations instead [google-build-using-namespace]
+
+namespace foo {
+inline namespace literals {
+inline namespace bar_literals {}
+}
+}
+
+using namespace foo::literals;
+// CHECK: :[[@LINE-1]]:1: warning: do not use namespace using-directives; use using-declarations instead [google-build-using-namespace]
+
+using namespace foo::bar_literals;
+// CHECK: :[[@LINE-1]]:1: warning: do not use namespace using-directives; use using-declarations instead [google-build-using-namespace]
+
+using namespace foo::literals::bar_literals;
+// CHECK: :[[@LINE-1]]:1: warning: do not use namespace using-directives; use using-declarations instead [google-build-using-namespace]
+
+namespace foo_literals {}
+
+using namespace foo_literals;
+// CHECK: :[[@LINE-1]]:1: warning: do not use namespace using-directives; use using-declarations instead [google-build-using-namespace]