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-rw-r--r--clang/test/Modules/namespaces.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/clang/test/Modules/namespaces.cpp b/clang/test/Modules/namespaces.cpp
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+++ b/clang/test/Modules/namespaces.cpp
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+// RUN: rm -rf %t
+// RUN: %clang_cc1 -x objective-c++ -fmodules -fmodule-cache-path %t -I %S/Inputs %s -verify
+
+// Importing modules which add declarations to a pre-existing non-imported
+// overload set does not currently work.
+// XFAIL: *
+
+namespace N6 {
+ char &f(char);
+}
+
+namespace N8 { }
+
+@__experimental_modules_import namespaces_left;
+@__experimental_modules_import namespaces_right;
+
+void test() {
+ int &ir1 = N1::f(1);
+ int &ir2 = N2::f(1);
+ int &ir3 = N3::f(1);
+ float &fr1 = N1::f(1.0f);
+ float &fr2 = N2::f(1.0f);
+ double &dr1 = N2::f(1.0);
+ double &dr2 = N3::f(1.0);
+}
+
+// Test namespaces merged without a common first declaration.
+namespace N5 {
+ char &f(char);
+}
+
+namespace N10 {
+ int &f(int);
+}
+
+void testMerged() {
+ int &ir1 = N5::f(17);
+ int &ir2 = N6::f(17);
+ int &ir3 = N7::f(17);
+ double &fr1 = N5::f(1.0);
+ double &fr2 = N6::f(1.0);
+ double &fr3 = N7::f(1.0);
+ char &cr1 = N5::f('a');
+ char &cr2 = N6::f('b');
+}
+
+// Test merging of declarations within namespaces that themselves were
+// merged without a common first declaration.
+void testMergedMerged() {
+ int &ir1 = N8::f(17);
+ int &ir2 = N9::f(17);
+ int &ir3 = N10::f(17);
+}
+
+// Test merging when using anonymous namespaces, which does not
+// actually perform any merging.
+// other file: expected-note{{passing argument to parameter here}}
+void testAnonymousNotMerged() {
+ N11::consumeFoo(N11::getFoo()); // expected-error{{cannot initialize a parameter of type 'N11::<anonymous>::Foo *' with an rvalue of type 'N11::<anonymous>::Foo *'}}
+ N12::consumeFoo(N12::getFoo()); // expected-error{{cannot initialize a parameter of type 'N12::<anonymous>::Foo *' with an rvalue of type 'N12::<anonymous>::Foo *'}}
+}
+
+
+// other file: expected-note{{passing argument to parameter here}}