================
@@ -0,0 +1,122 @@
+// 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 }}'
+
+namespace n1 {
+struct Foo {};
+struct Bar {};
+struct Attr {};
+struct Commented {};
+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 {};
+
+using Foo = n1::Foo;
+// CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: type alias is redundant;
use a using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:{{[0-9]+}}: 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]]:{{[0-9]+}}: warning: type alias is redundant;
use a using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:{{[0-9]+}}: 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: :[[@LINE-1]]:{{[0-9]+}}: warning: type alias is redundant;
use a using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:{{[0-9]+}}: warning: type alias is
redundant; use a using-declaration instead
[readability-redundant-qualified-alias]
+// CHECK-FIXES: using n1::Attr __attribute__((aligned(8)));
+
+using Deep = n2::n3::Deep;
+// CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: type alias is redundant;
use a using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:{{[0-9]+}}: warning: type alias is
redundant; use a using-declaration instead
[readability-redundant-qualified-alias]
+// CHECK-FIXES: using n2::n3::Deep;
+
+using TypedefFoo = td::TypedefFoo;
+// CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: type alias is redundant;
use a using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:{{[0-9]+}}: warning: type alias is
redundant; use a using-declaration instead
[readability-redundant-qualified-alias]
+// CHECK-FIXES: using td::TypedefFoo;
+
+using GlobalType = ::GlobalType;
+// CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: type alias is redundant;
use a using-declaration instead [readability-redundant-qualified-alias]
+// CHECK-MESSAGES-NS: :[[@LINE-2]]:{{[0-9]+}}: warning: type alias is
redundant; use a using-declaration instead
[readability-redundant-qualified-alias]
+// CHECK-FIXES: using ::GlobalType;
+
+using Builtin = int;
+// CHECK-FIXES: using Builtin = int;
----------------
vbvictor wrote:
To make negative cases, simply don't write anything or use `CHECK-MESSAGES-NOT`.
CHECK-FIXES only when we expect code to change
https://github.com/llvm/llvm-project/pull/180404
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