aboutsummaryrefslogtreecommitdiff
path: root/test/Parser/cxx1z-nested-namespace-definition.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/Parser/cxx1z-nested-namespace-definition.cpp')
-rw-r--r--test/Parser/cxx1z-nested-namespace-definition.cpp38
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Parser/cxx1z-nested-namespace-definition.cpp b/test/Parser/cxx1z-nested-namespace-definition.cpp
new file mode 100644
index 000000000000..96f34c540acc
--- /dev/null
+++ b/test/Parser/cxx1z-nested-namespace-definition.cpp
@@ -0,0 +1,38 @@
+// RUN: cp %s %t
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: not %clang_cc1 -x c++ -fixit %t -Werror -DFIXIT
+// RUN: %clang_cc1 -x c++ %t -DFIXIT
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++1z -Wc++14-compat
+
+namespace foo1::foo2::foo3 {
+#if __cplusplus <= 201400L
+// expected-warning@-2 {{nested namespace definition is a C++1z extension; define each namespace separately}}
+#else
+// expected-warning@-4 {{nested namespace definition is incompatible with C++ standards before C++1z}}
+#endif
+ int foo(int x) { return x; }
+}
+
+#ifndef FIXIT
+inline namespace goo::bar { // expected-error {{nested namespace definition cannot be 'inline'}} expected-warning 0-1{{C++11 feature}}
+ int n;
+}
+
+int m = goo::bar::n;
+#endif
+
+int foo(int x) {
+ return foo1::foo2::foo3::foo(x);
+}
+
+namespace bar1 {
+ namespace bar2 {
+ namespace bar3 {
+ int bar(int x) { return x; }
+ }
+ }
+}
+
+int bar(int x) {
+ return bar1::bar2::bar3::bar(x);
+}