diff options
Diffstat (limited to 'test/std/utilities/function.objects/func.memfn/member_function_const.pass.cpp')
| -rw-r--r-- | test/std/utilities/function.objects/func.memfn/member_function_const.pass.cpp | 78 | 
1 files changed, 78 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/func.memfn/member_function_const.pass.cpp b/test/std/utilities/function.objects/func.memfn/member_function_const.pass.cpp new file mode 100644 index 000000000000..be22443e9542 --- /dev/null +++ b/test/std/utilities/function.objects/func.memfn/member_function_const.pass.cpp @@ -0,0 +1,78 @@ +//===----------------------------------------------------------------------===// +// +//                     The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <functional> + +// template<Returnable R, class T, CopyConstructible... Args> +//   unspecified mem_fn(R (T::* pm)(Args...) const); + +#include <functional> +#include <cassert> + +struct A +{ +    char test0() const {return 'a';} +    char test1(int) const {return 'b';} +    char test2(int, double) const {return 'c';} +}; + +template <class F> +void +test0(F f) +{ +    { +    A a; +    assert(f(a) == 'a'); +    A* ap = &a; +    assert(f(ap) == 'a'); +    const A* cap = &a; +    assert(f(cap) == 'a'); +    const F& cf = f; +    assert(cf(ap) == 'a'); +    } +} + +template <class F> +void +test1(F f) +{ +    { +    A a; +    assert(f(a, 1) == 'b'); +    A* ap = &a; +    assert(f(ap, 2) == 'b'); +    const A* cap = &a; +    assert(f(cap, 2) == 'b'); +    const F& cf = f; +    assert(cf(ap, 2) == 'b'); +    } +} + +template <class F> +void +test2(F f) +{ +    { +    A a; +    assert(f(a, 1, 2) == 'c'); +    A* ap = &a; +    assert(f(ap, 2, 3.5) == 'c'); +    const A* cap = &a; +    assert(f(cap, 2, 3.5) == 'c'); +    const F& cf = f; +    assert(cf(ap, 2, 3.5) == 'c'); +    } +} + +int main() +{ +    test0(std::mem_fn(&A::test0)); +    test1(std::mem_fn(&A::test1)); +    test2(std::mem_fn(&A::test2)); +}  | 
