================
@@ -0,0 +1,201 @@
+// RUN: %check_clang_tidy -std=c++11-or-later %s
readability-redundant-qualified-alias %t
+// RUN: %check_clang_tidy -check-suffix=NS -std=c++11-or-later %s
readability-redundant-qualified-alias %t -- \
+// RUN: -config='{CheckOptions: {
readability-redundant-qualified-alias.OnlyNamespaceScope: true }}'
+// RUN: %check_clang_tidy -check-suffixes=,CXX23 -std=c++23-or-later %s
readability-redundant-qualified-alias %t
+// RUN: %check_clang_tidy -check-suffixes=NS,NS-CXX23 -std=c++23-or-later %s
readability-redundant-qualified-alias %t -- \
+// RUN: -config='{CheckOptions: {
readability-redundant-qualified-alias.OnlyNamespaceScope: true }}'
+
+namespace n1 {
+struct Foo {};
+struct Bar {};
+struct Attr {};
+enum PlainEnum { V0 };
+enum class ScopedEnum { V1 };
+struct Commented {};
+struct AfterType {};
+struct Elab {};
+struct MacroEq {};
+struct MacroType {};
+struct PtrType {};
+struct LocalType {};
+} // namespace n1
+
+namespace n2 {
+namespace n3 {
+struct Deep {};
+} // namespace n3
+} // namespace n2
+
+namespace td {
+typedef n1::Foo TypedefFoo;
+} // namespace td
+
+struct GlobalType {};
+struct Outer {
+ struct Inner {};
+};
+
+using Foo = n1::Foo;
+// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: type alias is redundant; use a
using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:7: warning: type alias is redundant; use a
using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-FIXES: using n1::Foo;
+
+using Bar = ::n1::Bar;
+// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: type alias is redundant; use a
using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:7: warning: type alias is redundant; use a
using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-FIXES: using ::n1::Bar;
+
+using Attr = n1::Attr __attribute__((aligned(8)));
+// CHECK-MESSAGES-NOT: warning: type alias is redundant; use a
using-declaration instead
+// CHECK-MESSAGES-NS-NOT: warning: type alias is redundant; use a
using-declaration instead
+
+using AliasDeprecated [[deprecated("alias attr")]] = n1::Foo;
----------------
localspook wrote:
IIUC, the point of this test case is to make sure aliases with attributes
aren’t touched. But this test case would pass even if the check failed to do
that. To actually test that behaviour, you’d need:
```suggestion
using Foo [[deprecated("alias attr")]] = n1::Foo;
```
https://github.com/llvm/llvm-project/pull/180404
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