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-rw-r--r--test/Modules/submodule-visibility.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Modules/submodule-visibility.cpp b/test/Modules/submodule-visibility.cpp
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+++ b/test/Modules/submodule-visibility.cpp
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+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -I%S/Inputs/submodule-visibility -verify %s -DALLOW_NAME_LEAKAGE
+// RUN: %clang_cc1 -fmodules -fmodules-local-submodule-visibility -fmodules-cache-path=%t -I%S/Inputs/submodule-visibility -verify %s -DIMPORT
+// RUN: %clang_cc1 -fmodules -fmodules-local-submodule-visibility -fmodules-cache-path=%t -fmodule-name=x -I%S/Inputs/submodule-visibility -verify %s
+// RUN: %clang_cc1 -fmodule-maps -fmodules-local-submodule-visibility -fmodules-cache-path=%t -I%S/Inputs/submodule-visibility -verify %s
+
+#include "a.h"
+#include "b.h"
+
+#if ALLOW_NAME_LEAKAGE
+// expected-no-diagnostics
+#elif IMPORT
+// expected-error@-6 {{could not build module 'x'}}
+#else
+// The use of -fmodule-name=x causes us to textually include the above headers.
+// The submodule visibility rules are still applied in this case.
+//
+// expected-error@b.h:1 {{declaration of 'n' must be imported from module 'x.a'}}
+// expected-note@a.h:1 {{here}}
+#endif
+
+int k = n + m; // OK, a and b are visible here.
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