X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F20_util%2Freference_wrapper%2Finvoke.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F20_util%2Freference_wrapper%2Finvoke.cc;h=4427133d506fd9f6f0b9c1b8bdab11a6f96e8465;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc b/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc new file mode 100644 index 00000000..4427133d --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc @@ -0,0 +1,114 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2008, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . + +#include +#include +#include +#include + +using namespace __gnu_test; + +bool test __attribute__((unused)) = true; + +struct X +{ + typedef int result_type; + + X() : bar(17) {} + + int foo(float x) { return truncate_float(x); } + int foo_c(float x) const { return truncate_float(x); } + int foo_v(float x) volatile { return truncate_float(x); } + int foo_cv(float x) const volatile { return truncate_float(x); } + + int operator()(float x) + { + return foo(x) + 1; + } + + int operator()(float x) const + { + return foo_c(x) + 2; + } + + int bar; + + private: + X(const X&); + X& operator=(const X&); +}; + +int seventeen() { return 17; } + +struct get_seventeen +{ + typedef int result_type; + int operator()() const { return 17; } +}; + +void test01() +{ + using std::ref; + using std::cref; + + ::get_seventeen get_sev; + ::X x; + ::X* xp = &x; + int (::X::* p_foo)(float) = &::X::foo; + int (::X::* p_foo_c)(float) const = &::X::foo_c; + int (::X::* p_foo_v)(float) volatile = &::X::foo_v; + int (::X::* p_foo_cv)(float) const volatile = &::X::foo_cv; + int ::X::* p_bar = &::X::bar; + + const float pi = 3.14; + + // Functions + VERIFY(ref(truncate_float)(pi) == 3); + VERIFY(ref(seventeen)() == 17); + + // Function pointers + VERIFY(cref(&truncate_float)(pi) == 3); + VERIFY(cref(&seventeen)() == 17); + + // Member function pointers + VERIFY(ref(p_foo)(x, pi) == 3); + VERIFY(ref(p_foo)(xp, pi) == 3); + VERIFY(ref(p_foo_c)(x, pi) == 3); + VERIFY(ref(p_foo_c)(xp, pi) == 3); + VERIFY(ref(p_foo_v)(x, pi) == 3); + VERIFY(ref(p_foo_v)(xp, pi) == 3); + VERIFY(ref(p_foo_cv)(x, pi) == 3); + VERIFY(ref(p_foo_cv)(xp, pi) == 3); + + // Member data pointers + VERIFY(ref(p_bar)(x) == 17); + VERIFY(ref(p_bar)(xp) == 17); + + // Function objects + VERIFY(ref(get_sev)() == 17); + VERIFY(cref(get_sev)() == 17); + VERIFY(ref(x)(pi) == 4); + VERIFY(cref(x)(pi) == 5); +} + +int main() +{ + test01(); + return 0; +}