db34899225
The best we can get it down to is 2 moves in MSVC, it does not elide the moves/copies as well as GCC and Clang do It's not possible for us to support registering of array types in MSVC12, but we can in MSVC14 with the latest release of the compiler.
90 lines
1.6 KiB
C++
90 lines
1.6 KiB
C++
#include <chaiscript/utility/utility.hpp>
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class Test
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{
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public:
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Test()
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{
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std::cout << "Test()\n";
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++constructcount();
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}
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Test(const Test &)
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{
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std::cout << "Test(const Test &)\n";
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++copycount();
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}
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Test(Test &&)
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{
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std::cout << "Test(Test &&)\n";
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++movecount();
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}
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~Test()
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{
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std::cout << "~Test()\n";
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++destructcount();
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}
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static int& constructcount()
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{
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static int c = 0;
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return c;
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}
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static int& copycount()
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{
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static int c = 0;
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return c;
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}
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static int& movecount()
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{
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static int c = 0;
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return c;
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}
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static int& destructcount()
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{
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static int c = 0;
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return c;
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}
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};
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Test create()
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{
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return Test();
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}
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int main()
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{
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chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());
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m->add(chaiscript::user_type<Test>(), "Test");
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m->add(chaiscript::constructor<Test()>(), "Test");
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m->add(chaiscript::constructor<Test(const Test &)>(), "Test");
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m->add(chaiscript::fun(&create), "create");
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chaiscript::ChaiScript chai;
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chai.add(m);
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chai.eval(" { auto i = create(); } ");
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#ifdef CHAISCRIPT_MSVC
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if (Test::destructcount() == 3 && Test::copycount() == 0 && Test::movecount() == 2 && Test::constructcount() == 1)
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{
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return EXIT_SUCCESS;
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} else {
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return EXIT_FAILURE;
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}
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#else
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if (Test::destructcount() == 2 && Test::copycount() == 0 && Test::movecount() == 1 && Test::constructcount() == 1)
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{
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return EXIT_SUCCESS;
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} else {
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return EXIT_FAILURE;
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}
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#endif
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}
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