89 lines · cpp
1// RUN: rm -rf %t2// RUN: %clang_cc1 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs %s -verify3 4int &global(int);5int &global2(int);6 7namespace N6 {8 char &f(char);9}10 11namespace N8 { }12 13namespace LookupBeforeImport {14 int &f(int);15}16void testEarly() {17 int &r = LookupBeforeImport::f(1);18}19 20@import namespaces_left;21@import namespaces_right;22 23void test() {24 int &ir1 = N1::f(1);25 int &ir2 = N2::f(1);26 int &ir3 = N3::f(1);27 int &ir4 = global(1);28 int &ir5 = ::global2(1);29 float &fr1 = N1::f(1.0f);30 float &fr2 = N2::f(1.0f);31 float &fr3 = global(1.0f);32 float &fr4 = ::global2(1.0f);33 float &fr5 = LookupBeforeImport::f(1.0f);34 double &dr1 = N2::f(1.0);35 double &dr2 = N3::f(1.0);36 double &dr3 = global(1.0);37 double &dr4 = ::global2(1.0);38 double &dr5 = LookupBeforeImport::f(1.0);39 40 struct AddAndReexportBeforeImport::S s;41 int k = AddAndReexportBeforeImport::S;42}43 44// Test namespaces merged without a common first declaration.45namespace N5 {46 char &f(char);47}48 49namespace N10 { 50 int &f(int);51}52 53void testMerged() {54 int &ir1 = N5::f(17);55 int &ir2 = N6::f(17);56 int &ir3 = N7::f(17);57 double &fr1 = N5::f(1.0);58 double &fr2 = N6::f(1.0);59 double &fr3 = N7::f(1.0);60 char &cr1 = N5::f('a');61 char &cr2 = N6::f('b');62}63 64// Test merging of declarations within namespaces that themselves were65// merged without a common first declaration.66void testMergedMerged() {67 int &ir1 = N8::f(17);68 int &ir2 = N9::f(17);69 int &ir3 = N10::f(17);70}71 72// Test merging when using anonymous namespaces, which does not73// actually perform any merging.74void testAnonymousNotMerged() {75 N11::consumeFoo(N11::getFoo()); // expected-error{{cannot initialize a parameter of type 'Foo *' with an rvalue of type 'Foo *'}}76 N12::consumeFoo(N12::getFoo()); // expected-error{{cannot initialize a parameter of type 'Foo *' with an rvalue of type 'Foo *'}}77}78 79// expected-note@Inputs/namespaces-right.h:60 {{passing argument to parameter here}}80// expected-note@Inputs/namespaces-right.h:67 {{passing argument to parameter here}}81// expected-note@Inputs/namespaces-left.h:63 {{'N11::(anonymous namespace)::Foo' is not defined, but forward declared here; conversion would be valid if it was derived from 'N11::(anonymous namespace)::Foo'}}82// expected-note@Inputs/namespaces-left.h:70 {{'N12::(anonymous namespace)::Foo' is not defined, but forward declared here; conversion would be valid if it was derived from 'N12::(anonymous namespace)::Foo'}}83// Test that bringing in one name from an overload set does not hide the rest.84void testPartialImportOfOverloadSet() {85 void (*p)() = N13::p;86 p();87 N13::f(0);88}89