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More tests on emplace()

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This commit is contained in:
Andrzej Krzemienski
2014-06-06 23:40:45 +02:00
parent fdc98d17ca
commit a4e507077e
1 changed files with 48 additions and 28 deletions
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76
test/optional_test_emplace.cpp
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@ -58,21 +58,6 @@ private:
void operator=(Guard const&); void operator=(Guard const&);
}; };
struct Thrower
{
Thrower(bool throw_) { if (throw_) throw int(); }
private:
Thrower(Thrower const&);
Thrower(Thrower&&);
};
struct ThrowOnMove
{
ThrowOnMove(ThrowOnMove&&) { throw int(); }
ThrowOnMove(ThrowOnMove const&) { throw int(); }
ThrowOnMove(int){}
};
void test_emplace() void test_emplace()
{ {
@ -115,6 +100,44 @@ void test_emplace()
BOOST_CHECK(7 == o->which_ctor); BOOST_CHECK(7 == o->which_ctor);
} }
#endif
#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES)
struct ThrowOnMove
{
ThrowOnMove(ThrowOnMove&&) { throw int(); }
ThrowOnMove(ThrowOnMove const&) { throw int(); }
ThrowOnMove(int){}
};
void test_no_moves_on_emplacement()
{
try {
optional<ThrowOnMove> o;
o.emplace(1);
BOOST_CHECK(o);
}
catch (...) {
BOOST_CHECK(false);
}
}
#endif
struct Thrower
{
Thrower(bool throw_) { if (throw_) throw int(); }
private:
Thrower(Thrower const&);
#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES)
Thrower(Thrower&&);
#endif
};
void test_clear_on_throw() void test_clear_on_throw()
{ {
optional<Thrower> ot; optional<Thrower> ot;
@ -133,30 +156,27 @@ void test_clear_on_throw()
} }
} }
void test_no_moves_on_emplacement() void test_no_assignment_on_emplacement()
{ {
try { optional<const std::string> os;
optional<ThrowOnMove> o; BOOST_CHECK(!os);
o.emplace(1); os.emplace("wow");
BOOST_CHECK(o); BOOST_CHECK(os);
} BOOST_CHECK(*os == "wow");
catch (...) {
BOOST_CHECK(false);
}
} }
#endif
int test_main( int, char* [] ) int test_main( int, char* [] )
{ {
try try
{ {
#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES) && (!defined BOOST_NO_CXX11_VARIADIC_TEMPLATES) #if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES) && (!defined BOOST_NO_CXX11_VARIADIC_TEMPLATES)
test_emplace(); test_emplace();
test_clear_on_throw(); #endif
#if (!defined BOOST_NO_CXX11_RVALUE_REFERENCES)
test_no_moves_on_emplacement(); test_no_moves_on_emplacement();
#endif #endif
test_clear_on_throw();
test_no_assignment_on_emplacement();
} }
catch ( ... ) catch ( ... )
{ {