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-rw-r--r--test/Modules/using-directive.cpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/test/Modules/using-directive.cpp b/test/Modules/using-directive.cpp
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+++ b/test/Modules/using-directive.cpp
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+// RUN: %clang_cc1 -fmodules -fmodules-local-submodule-visibility -fno-modules-error-recovery -fno-spell-checking -verify %s
+
+#pragma clang module build a
+module a { explicit module b {} explicit module c {} }
+#pragma clang module contents
+
+#pragma clang module begin a.b
+namespace b { int n; }
+#pragma clang module end
+
+#pragma clang module begin a.c
+#pragma clang module import a.b
+namespace c { using namespace b; }
+#pragma clang module end
+
+#pragma clang module begin a
+#pragma clang module import a.c
+using namespace c;
+#pragma clang module end
+
+#pragma clang module endbuild
+
+#pragma clang module import a.b
+void use1() {
+ (void)n; // expected-error {{use of undeclared identifier}}
+ (void)::n; // expected-error {{no member named 'n' in the global namespace}}
+ (void)b::n;
+}
+namespace b {
+ void use1_in_b() { (void)n; }
+}
+namespace c {
+ void use1_in_c() { (void)n; } // expected-error {{use of undeclared identifier}}
+}
+
+#pragma clang module import a.c
+void use2() {
+ (void)n; // expected-error {{use of undeclared identifier}}
+ (void)::n; // expected-error {{no member named 'n' in the global namespace}}
+ (void)b::n;
+ (void)c::n;
+}
+namespace b {
+ void use2_in_b() { (void)n; }
+}
+namespace c {
+ void use2_in_c() { (void)n; }
+}
+
+#pragma clang module import a
+void use3() {
+ (void)n;
+ (void)::n;
+ (void)b::n;
+ (void)c::n;
+}
+namespace b {
+ void use3_in_b() { (void)n; }
+}
+namespace c {
+ void use3_in_c() { (void)n; }
+}