clang/test/Modules/derived_class.cpp

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3 // RUN: split-file %s %t
   4 //
   5 // RUN: %clang_cc1 -std=c++20 %t/foo.cppm -emit-module-interface -o %t/foo.pcm
   6 // RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -fsyntax-only -verify
   7 //
   8 //--- bar.h
   9 struct bar_base {
  10   enum A {
  11     a,
  12     b,
  13     c,
  14     d
  15   };
  16   constexpr static bool value = false;
  17   static bool get() { return false; }
  18   bool member_value = false;
  19   bool get_func() { return false; }
  20 };
  21
  22 template <typename T>
  23 struct bar : public bar_base {
  24 };
  25
  26 //--- foo.cppm
  27 module;
  28 #include "bar.h"
  29 export module foo;
  30 export template <typename T>
  31 int foo() {
  32   bool a = bar<T>::value;
  33   bar<T>::get();
  34   bar<T> b;
  35   b.member_value = a;
  36   bool c = b.get_func();
  37   return bar<T>::a;
  38 }
  39
  40 //--- Use.cpp
  41 // expected-no-diagnostics
  42 import foo;
  43 void test() {
  44   foo<int>();
  45 }