issue150.cpp revision 8e8fb3be5bd78f0564444eca02b404566a5f3b5d
1// RUN: %clang_cc1 -fsyntax-only -verify %s
2// expected-no-diagnostics
3
4// Core issue 150: Template template parameters and default arguments
5
6template<typename T, typename U>
7struct is_same {
8  static const bool value = false;
9};
10
11template<typename T>
12struct is_same<T, T> {
13  static const bool value = true;
14};
15
16namespace PR9353 {
17  template<class _T, class Traits> class IM;
18
19  template <class T, class Trt,
20            template<class _T, class Traits = int> class IntervalMap>
21  void foo(IntervalMap<T,Trt>* m) { typedef IntervalMap<int> type; }
22
23  void f(IM<int, int>* m) { foo(m); }
24}
25
26namespace PR9400 {
27  template<template <typename T, typename = T > class U> struct A
28  {
29    template<int> U<int> foo();
30  };
31
32  template <typename T, typename = T>
33  struct s {
34  };
35
36  void f() {
37    A<s> x;
38    x.foo<2>();
39  }
40}
41
42namespace MultiReplace {
43  template<typename Z,
44           template<typename T, typename U = T *, typename V = U const> class TT>
45  struct X {
46    typedef TT<Z> type;
47  };
48
49  template<typename T, typename = int, typename = float>
50  struct Y { };
51
52  int check0[is_same<X<int, Y>::type, Y<int, int*, int* const> >::value? 1 : -1];
53}
54
55namespace MultiReplacePartial {
56  template<typename First, typename Z,
57           template<typename T, typename U = T *, typename V = U const> class TT>
58  struct X {
59    typedef TT<Z> type;
60  };
61
62  template<typename Z,
63           template<typename T, typename U = T *, typename V = U const> class TT>
64  struct X<int, Z, TT> {
65    typedef TT<Z> type;
66  };
67
68  template<typename T, typename = int, typename = float>
69  struct Y { };
70
71  int check0[is_same<X<int, int, Y>::type, Y<int, int*, int* const> >::value? 1 : -1];
72}
73
74namespace PR9016 {
75  template<typename > struct allocator ;
76  template<typename > struct less ;
77
78  template<class T, template<class> class Compare, class Default,
79           template<class> class Alloc>
80  struct interval_set { };
81
82  template <class X, template<class> class = less> struct interval_type_default {
83    typedef X type;
84  };
85
86  template <class T,
87            template<class _T, template<class> class Compare = PR9016::less,
88                     class = typename interval_type_default<_T,Compare>::type,
89                     template<class> class = allocator> class IntervalSet>
90  struct ZZZ
91  {
92    IntervalSet<T> IntervalSetT;
93  };
94
95  template <class T,
96            template<class _T, template<class> class Compare = PR9016::less,
97                     class = typename interval_type_default<_T,Compare>::type,
98                     template<class> class = allocator> class IntervalSet>
99  void int40()
100  {
101    IntervalSet<T> IntervalSetT;
102  }
103
104  void test() {
105    ZZZ<int, interval_set> zzz;
106    int40<int, interval_set>();
107  }
108}
109