diff options
Diffstat (limited to 'test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp')
| -rw-r--r-- | test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp new file mode 100644 index 000000000000..cd86e4cbf8eb --- /dev/null +++ b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp @@ -0,0 +1,90 @@ +//===----------------------------------------------------------------------===// +// +// 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> + +// class function<R(ArgTypes...)> + +// function(nullptr_t); + +#include <functional> +#include <cassert> + +#include "count_new.hpp" + +class A +{ + int data_[10]; +public: + static int count; + + A() + { + ++count; + for (int i = 0; i < 10; ++i) + data_[i] = i; + } + + A(const A&) {++count;} + + ~A() {--count;} + + int operator()(int i) const + { + for (int j = 0; j < 10; ++j) + i += data_[j]; + return i; + } + + int foo(int) const {return 1;} +}; + +int A::count = 0; + +int g(int) {return 0;} + +int main() +{ + assert(globalMemCounter.checkOutstandingNewEq(0)); + { + std::function<int(int)> f = A(); + assert(A::count == 1); + assert(globalMemCounter.checkOutstandingNewEq(1)); + assert(f.target<A>()); + assert(f.target<int(*)(int)>() == 0); + } + assert(A::count == 0); + assert(globalMemCounter.checkOutstandingNewEq(0)); + { + std::function<int(int)> f = g; + assert(globalMemCounter.checkOutstandingNewEq(0)); + assert(f.target<int(*)(int)>()); + assert(f.target<A>() == 0); + } + assert(globalMemCounter.checkOutstandingNewEq(0)); + { + std::function<int(int)> f = (int (*)(int))0; + assert(!f); + assert(globalMemCounter.checkOutstandingNewEq(0)); + assert(f.target<int(*)(int)>() == 0); + assert(f.target<A>() == 0); + } + { + std::function<int(const A*, int)> f = &A::foo; + assert(f); + assert(globalMemCounter.checkOutstandingNewEq(0)); + assert(f.target<int (A::*)(int) const>() != 0); + } + { + std::function<void(int)> f(&g); + assert(f); + assert(f.target<int(*)(int)>() != 0); + f(1); + } +} |
