Googletest export
Adds a warning about anonymous namespaces in relation to private testing.
PiperOrigin-RevId: 367730808
diff --git a/docs/advanced.md b/docs/advanced.md
index fa9e5bc..ae4d7ee 100644
--- a/docs/advanced.md
+++ b/docs/advanced.md
@@ -1741,10 +1741,11 @@
}
```
- Pay special attention when your class is defined in a namespace, as you
- should define your test fixtures and tests in the same namespace if you want
- them to be friends of your class. For example, if the code to be tested
- looks like:
+ Pay special attention when your class is defined in a namespace. If you want
+ your test fixtures and tests to be friends of your class, then they must be
+ defined in the exact same namespace (no anonymous or inline namespaces).
+
+ For example, if the code to be tested looks like:
```c++
namespace my_namespace {
