42 lines
2.0 KiB
C++
42 lines
2.0 KiB
C++
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// RUN: %clang_cc1 -verify %s
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namespace default_args {
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template<typename T> struct char_traits;
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template<typename T> struct allocator;
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template<typename T, typename = char_traits<T>, typename = allocator<T>> struct basic_string {};
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typedef basic_string<char> string;
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template<typename T> T f(T);
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void test1() {
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string s;
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f(s).size(); // expected-error {{no member named 'size' in 'default_args::basic_string<char>'}}
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}
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template<typename T> struct default_delete {};
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template<class T, class Deleter = default_delete<T>> class unique_ptr {
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public:
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void f() { T::error(); } // expected-error {{no member named 'error' in 'default_args::basic_string<char>'}}
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};
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template<class T, class Deleter> class unique_ptr<T[], Deleter> {};
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void test2() {
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unique_ptr<string> ups;
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f(ups).reset(); // expected-error {{no member named 'reset' in 'default_args::unique_ptr<default_args::basic_string<char>>'}}
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f(ups).f(); // expected-note {{in instantiation of member function 'default_args::unique_ptr<default_args::basic_string<char>>::f' requested here}}
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}
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template<int A, int B = A> struct Z { int error[B]; }; // expected-error {{negative size}}
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Z<-1> z; // expected-note {{in instantiation of template class 'default_args::Z<-1>' requested here}}
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template<template<typename> class A = allocator, template<typename> class B = A> struct Q {};
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void test3() {
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f(Q<>()).g(); // expected-error {{no member named 'g' in 'default_args::Q<>'}}
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f(Q<allocator>()).g(); // expected-error {{no member named 'g' in 'default_args::Q<>'}}
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f(Q<allocator, allocator>()).g(); // expected-error {{no member named 'g' in 'default_args::Q<>'}}
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f(Q<char_traits>()).g(); // expected-error {{no member named 'g' in 'default_args::Q<char_traits>'}}
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f(Q<char_traits, char_traits>()).g(); // expected-error {{no member named 'g' in 'default_args::Q<char_traits>'}}
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f(Q<char_traits, allocator>()).g(); // expected-error {{no member named 'g' in 'default_args::Q<char_traits, allocator>'}}
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}
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}
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