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Diffstat (limited to 'clang/test/CXX/temp/temp.param/p9-0x.cpp')
-rw-r--r-- | clang/test/CXX/temp/temp.param/p9-0x.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.param/p9-0x.cpp b/clang/test/CXX/temp/temp.param/p9-0x.cpp new file mode 100644 index 0000000..29a7549 --- /dev/null +++ b/clang/test/CXX/temp/temp.param/p9-0x.cpp @@ -0,0 +1,61 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s + +// A default template-argument may be specified for any kind of +// template-parameter that is not a template parameter pack. +template<typename ...Types = int> // expected-error{{template parameter pack cannot have a default argument}} +struct X0; + +template<int ...Values = 0> // expected-error{{template parameter pack cannot have a default argument}} +struct X1; + +template<typename T> struct vector; + +template<template<class> class ...Templates = vector> // expected-error{{template parameter pack cannot have a default argument}} +struct X2; + +struct X3 { + template<typename T = int> // expected-error{{default template argument not permitted on a friend template}} + friend void f0(X3); + + template<typename T = int> + friend void f1(X3) { + } +}; + +namespace PR8748 { + // Testcase 1 + struct A0 { template<typename U> struct B; }; + template<typename U = int> struct A0::B { }; + + // Testcase 2 + template<typename T> struct A1 { template<typename U> struct B; }; + template<typename T> template<typename U = int> struct A1<T>::B { }; // expected-error{{cannot add a default template argument to the definition of a member of a class template}} + + // Testcase 3 + template<typename T> + struct X2 { + void f0(); + template<typename U> void f1(); + }; + + template<typename T = int> void X2<T>::f0() { } // expected-error{{cannot add a default template argument to the definition of a member of a class template}} + template<typename T> template<typename U = int> void X2<T>::f1() { } // expected-error{{cannot add a default template argument to the definition of a member of a class template}} + + namespace Inner { + template<typename T> struct X3; + template<typename T> void f2(); + } + + // Okay; not class members. + template<typename T = int> struct Inner::X3 { }; + template<typename T = int> void Inner::f2() {} +} + +namespace PR10069 { + template<typename T, T a, T b=0, T c=1> + T f(T x); + + void g() { + f<unsigned int, 0>(0); + } +} |