forked from OSchip/llvm-project
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
// RUN: %clang_cc1 -fms-compatibility -std=c++11 %s -verify
|
|
|
|
// MSVC should compile this file without errors.
|
|
|
|
namespace test_basic {
|
|
template <typename T = Baz> // expected-warning {{using the undeclared type 'Baz' as a default template argument is a Microsoft extension}}
|
|
struct Foo { T x; };
|
|
typedef int Baz;
|
|
template struct Foo<>;
|
|
}
|
|
|
|
namespace test_namespace {
|
|
namespace nested {
|
|
template <typename T = Baz> // expected-warning {{using the undeclared type 'Baz' as a default template argument is a Microsoft extension}}
|
|
struct Foo {
|
|
static_assert(sizeof(T) == 4, "should get int, not double");
|
|
};
|
|
typedef int Baz;
|
|
}
|
|
typedef double Baz;
|
|
template struct nested::Foo<>;
|
|
}
|
|
|
|
namespace test_inner_class_template {
|
|
struct Outer {
|
|
template <typename T = Baz> // expected-warning {{using the undeclared type 'Baz' as a default template argument is a Microsoft extension}}
|
|
struct Foo {
|
|
static_assert(sizeof(T) == 4, "should get int, not double");
|
|
};
|
|
typedef int Baz;
|
|
};
|
|
typedef double Baz;
|
|
template struct Outer::Foo<>;
|
|
}
|
|
|
|
namespace test_nontype_param {
|
|
template <typename T> struct Bar { T x; };
|
|
typedef int Qux;
|
|
template <Bar<Qux> *P>
|
|
struct Foo {
|
|
};
|
|
Bar<int> g;
|
|
template struct Foo<&g>;
|
|
}
|
|
|
|
// MSVC accepts this, but Clang doesn't.
|
|
namespace test_template_instantiation_arg {
|
|
template <typename T> struct Bar { T x; };
|
|
template <typename T = Bar<Weber>> // expected-error {{use of undeclared identifier 'Weber'}}
|
|
struct Foo {
|
|
static_assert(sizeof(T) == 4, "Bar should have gotten int");
|
|
// FIXME: These diagnostics are bad.
|
|
}; // expected-error {{expected ',' or '>' in template-parameter-list}}
|
|
// expected-warning@-1 {{does not declare anything}}
|
|
typedef int Weber;
|
|
}
|
|
|
|
#ifdef __clang__
|
|
// These are negative test cases that MSVC doesn't compile either. Try to use
|
|
// unique undeclared identifiers so typo correction doesn't find types declared
|
|
// above.
|
|
|
|
namespace test_undeclared_nontype_parm_type {
|
|
template <Zargon N> // expected-error {{unknown type name 'Zargon'}}
|
|
struct Foo { int x[N]; };
|
|
typedef int Zargon;
|
|
template struct Foo<4>;
|
|
}
|
|
|
|
namespace test_undeclared_nontype_parm_type_no_name {
|
|
template <typename T, Asdf> // expected-error {{unknown type name 'Asdf'}}
|
|
struct Foo { T x; };
|
|
template struct Foo<int, 0>;
|
|
}
|
|
|
|
namespace test_undeclared_type_arg {
|
|
template <typename T>
|
|
struct Foo { T x; };
|
|
template struct Foo<Yodel>; // expected-error {{use of undeclared identifier 'Yodel'}}
|
|
}
|
|
|
|
namespace test_undeclared_nontype_parm_arg {
|
|
// Bury an undeclared type as a template argument to the type of a non-type
|
|
// template parameter.
|
|
template <typename T> struct Bar { T x; };
|
|
|
|
template <Bar<Xylophone> *P> // expected-error {{use of undeclared identifier 'Xylophone'}}
|
|
// expected-note@-1 {{template parameter is declared here}}
|
|
struct Foo { };
|
|
|
|
typedef int Xylophone;
|
|
Bar<Xylophone> g;
|
|
template struct Foo<&g>; // expected-error {{cannot be converted}}
|
|
}
|
|
|
|
#endif
|