clang/test/SemaTemplate/instantiate-array.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
   2 // expected-no-diagnostics
   3
   4 #ifndef __GXX_EXPERIMENTAL_CXX0X__
   5 #define __CONCAT(__X, __Y) __CONCAT1(__X, __Y)
   6 #define __CONCAT1(__X, __Y) __X ## __Y
   7
   8 #define static_assert(__b, __m) \
   9   typedef int __CONCAT(__sa, __LINE__)[__b ? 1 : -1]
  10 #endif
  11
  12 template <int N> class IntArray {
  13   int elems[N];
  14 };
  15
  16 static_assert(sizeof(IntArray<10>) == sizeof(int) * 10, "Array size mismatch");
  17 static_assert(sizeof(IntArray<1>) == sizeof(int) * 1, "Array size mismatch");
  18
  19 template <typename T> class TenElementArray {
  20   int elems[10];
  21 };
  22
  23 static_assert(sizeof(TenElementArray<int>) == sizeof(int) * 10, "Array size mismatch");
  24
  25 template<typename T, int N> class Array {
  26   T elems[N];
  27 };
  28
  29 static_assert(sizeof(Array<int, 10>) == sizeof(int) * 10, "Array size mismatch");