test/Modules/submodules.cpp

// RUN: rm -rf %t
// RUN: %clang_cc1 -fmodule-cache-path %t -fauto-module-import -I %S/Inputs/submodules %s -verify

__import_module__ std.vector;

vector<int> vi;

// Note: remove_reference is not visible yet.
remove_reference<int&>::type *int_ptr = 0; // expected-error{{unknown type name 'remove_reference'}} \
// expected-error{{expected unqualified-id}}

__import_module__ std.typetraits; // expected-error{{no submodule named 'typetraits' in module 'std'; did you mean 'type_traits'?}}

vector<float> vf;
remove_reference<int&>::type *int_ptr2 = 0;

__import_module__ std.vector.compare; // expected-error{{no submodule named 'compare' in module 'std.vector'}}

__import_module__ std; // import everything in 'std'

// hash_map still isn't available.
hash_map<int, float> ints_to_floats; // expected-error{{unknown type name 'hash_map'}} \
// expected-error{{expected unqualified-id}}

__import_module__ std.hash_map;

hash_map<int, float> ints_to_floats2;