diff options
Diffstat (limited to 'libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod')
2 files changed, 196 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod/assign_F_alloc.pass.cpp b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod/assign_F_alloc.pass.cpp new file mode 100644 index 00000000000..e9ecfa5539c --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod/assign_F_alloc.pass.cpp @@ -0,0 +1,60 @@ +//===----------------------------------------------------------------------===// +// +// 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...)> + +// template<class F, class A> void assign(F&&, const A&); + +#include <functional> +#include <cassert> + +#include "test_allocator.h" + +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 main() +{ + { + std::function<int(int)> f; + f.assign(A(), test_allocator<A>()); + assert(A::count == 1); + assert(f.target<A>()); + assert(f.target<int(*)(int)>() == 0); + } + assert(A::count == 0); +} diff --git a/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod/swap.pass.cpp b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod/swap.pass.cpp new file mode 100644 index 00000000000..3c012d1db4f --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.mod/swap.pass.cpp @@ -0,0 +1,136 @@ +//===----------------------------------------------------------------------===// +// +// 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...)> + +// void swap(function& other); + +// UNSUPPORTED: asan, msan + +#include <functional> +#include <new> +#include <cstdlib> +#include <cassert> + +int new_called = 0; + +void* operator new(std::size_t s) throw(std::bad_alloc) +{ + ++new_called; + return std::malloc(s); +} + +void operator delete(void* p) throw() +{ + --new_called; + std::free(p); +} + +class A +{ + int data_[10]; +public: + static int count; + + explicit A(int j) + { + ++count; + data_[0] = j; + } + + A(const A& a) + { + ++count; + for (int i = 0; i < 10; ++i) + data_[i] = a.data_[i]; + } + + ~A() {--count;} + + int operator()(int i) const + { + for (int j = 0; j < 10; ++j) + i += data_[j]; + return i; + } + + int id() const {return data_[0];} +}; + +int A::count = 0; + +int g(int) {return 0;} +int h(int) {return 1;} + +int main() +{ + assert(new_called == 0); + { + std::function<int(int)> f1 = A(1); + std::function<int(int)> f2 = A(2); + assert(A::count == 2); + assert(new_called == 2); + assert(f1.target<A>()->id() == 1); + assert(f2.target<A>()->id() == 2); + f1.swap(f2); + assert(A::count == 2); + assert(new_called == 2); + assert(f1.target<A>()->id() == 2); + assert(f2.target<A>()->id() == 1); + } + assert(A::count == 0); + assert(new_called == 0); + { + std::function<int(int)> f1 = A(1); + std::function<int(int)> f2 = g; + assert(A::count == 1); + assert(new_called == 1); + assert(f1.target<A>()->id() == 1); + assert(*f2.target<int(*)(int)>() == g); + f1.swap(f2); + assert(A::count == 1); + assert(new_called == 1); + assert(*f1.target<int(*)(int)>() == g); + assert(f2.target<A>()->id() == 1); + } + assert(A::count == 0); + assert(new_called == 0); + { + std::function<int(int)> f1 = g; + std::function<int(int)> f2 = A(1); + assert(A::count == 1); + assert(new_called == 1); + assert(*f1.target<int(*)(int)>() == g); + assert(f2.target<A>()->id() == 1); + f1.swap(f2); + assert(A::count == 1); + assert(new_called == 1); + assert(f1.target<A>()->id() == 1); + assert(*f2.target<int(*)(int)>() == g); + } + assert(A::count == 0); + assert(new_called == 0); + { + std::function<int(int)> f1 = g; + std::function<int(int)> f2 = h; + assert(A::count == 0); + assert(new_called == 0); + assert(*f1.target<int(*)(int)>() == g); + assert(*f2.target<int(*)(int)>() == h); + f1.swap(f2); + assert(A::count == 0); + assert(new_called == 0); + assert(*f1.target<int(*)(int)>() == h); + assert(*f2.target<int(*)(int)>() == g); + } + assert(A::count == 0); + assert(new_called == 0); +} |