1 files changed, 40 insertions, 0 deletions
diff --git a/clang/test/Modules/objc-categories.m b/clang/test/Modules/objc-categories.m
new file mode 100644
index 0000000..340f279
--- /dev/null
+++ b/clang/test/Modules/objc-categories.m
@@ -0,0 +1,40 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -x objective-c -fmodule-name=category_top -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -x objective-c -fmodule-name=category_left -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -x objective-c -fmodule-name=category_right -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -x objective-c -fmodule-name=category_bottom -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -x objective-c -fmodule-name=category_other -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t %s -verify
+
+@__experimental_modules_import category_bottom;
+
+
+
+
+// in category_left.h: expected-note {{previous definition}}
+
+@interface Foo(Source)
+-(void)source; 
+@end
+
+void test(Foo *foo, LeftFoo *leftFoo) {
+  [foo source];
+  [foo bottom];
+  [foo left];
+  [foo right1];
+  [foo right2];
+  [foo top];
+  [foo top2];
+  [foo top3];
+
+  [leftFoo left];
+  [leftFoo bottom];
+}
+
+// Load another module that also adds categories to Foo, verify that
+// we see those categories.
+@__experimental_modules_import category_other;
+
+void test_other(Foo *foo) {
+  [foo other];
+}