1 files changed, 18 insertions, 0 deletions
diff --git a/test/Modules/textual-headers.cpp b/test/Modules/textual-headers.cpp
new file mode 100644
index 000000000000..cab9991e3291
--- /dev/null
+++ b/test/Modules/textual-headers.cpp
@@ -0,0 +1,18 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodule-maps -fmodules-cache-path=%t -fmodules-strict-decluse -fmodule-name=XG -I %S/Inputs/declare-use %s -verify
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fmodules-strict-decluse -fmodule-name=XG -I %S/Inputs/declare-use %s -verify -fno-modules-error-recovery
+
+#define GIMME_A_K
+#include "k.h"
+
+#define GIMME_AN_L
+#include "l.h" // expected-error {{module XG does not depend on a module exporting 'l.h'}}
+
+#include "m2.h" // expected-error {{module XG does not depend on a module exporting 'm2.h'}}
+const int use_m = m; // expected-error {{undeclared identifier}}
+
+#define GIMME_AN_M
+#include "m.h" // expected-error {{use of private header from outside its module: 'm.h'}}
+const int use_m_2 = m;
+
+const int g = k + l;