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Added nothrow variants to unique_ptr

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Ion Gaztañaga
2014-10-10 22:03:47 +02:00
parent ca7d74970a
commit e43819d1d2
2 changed files with 323 additions and 4 deletions
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39
test/unique_ptr_functions.cpp
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@@ -44,6 +44,8 @@ void reset_counters()
static const unsigned PatternSize = 8;
static const unsigned char ff_patternbuf[PatternSize] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
static const unsigned char ee_patternbuf[PatternSize] = { 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE };
static const unsigned char dd_patternbuf[PatternSize] = { 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD, 0xDD };
static const unsigned char cc_patternbuf[PatternSize] = { 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC };
struct default_init
{
@@ -57,6 +59,16 @@ struct default_init
void *const p = ::operator new[](sz);
return std::memset(p, 0xEE, sz);
}
static void* operator new(std::size_t sz, const std::nothrow_t &)
{
void *const p = ::operator new(sz);
return std::memset(p, 0xDD, sz);
}
static void* operator new[](std::size_t sz, const std::nothrow_t &)
{
void *const p = ::operator new[](sz);
return std::memset(p, 0xCC, sz);
}
unsigned char buf[PatternSize];
};
@@ -78,6 +90,11 @@ void test()
bml::unique_ptr<default_init> p(bml::make_unique_definit<default_init>());
BOOST_TEST(0 == std::memcmp(p.get(), ff_patternbuf, sizeof(ff_patternbuf)));
}
{
bml::unique_ptr<default_init> p(bml::make_unique_nothrow_definit<default_init>());
BOOST_TEST(0 == std::memcmp(p.get(), dd_patternbuf, sizeof(dd_patternbuf)));
}
BOOST_TEST(A::count == 0);
{
bml::unique_ptr<A> p(bml::make_unique<A>());
@@ -88,7 +105,7 @@ void test()
}
BOOST_TEST(A::count == 0);
{
bml::unique_ptr<A> p(bml::make_unique<A>(0));
bml::unique_ptr<A> p(bml::make_unique_nothrow<A>(0));
BOOST_TEST(A::count == 1);
BOOST_TEST(p->a == 0);
BOOST_TEST(p->b == 1000);
@@ -104,7 +121,7 @@ void test()
}
BOOST_TEST(A::count == 0);
{
bml::unique_ptr<A> p(bml::make_unique<A>(0, 1, 2));
bml::unique_ptr<A> p(bml::make_unique_nothrow<A>(0, 1, 2));
BOOST_TEST(A::count == 1);
BOOST_TEST(p->a == 0);
BOOST_TEST(p->b == 1);
@@ -115,6 +132,7 @@ void test()
} //namespace make_unique_single{
////////////////////////////////
// make_unique_single
////////////////////////////////
@@ -135,6 +153,16 @@ void test()
}
}
BOOST_TEST(A::count == 0);
{
bml::unique_ptr<A[]> p(bml::make_unique_nothrow<A[]>(10));
BOOST_TEST(A::count == 10);
for(int i = 0; i != 10; ++i){
BOOST_TEST(p[i].a == 999);
BOOST_TEST(p[i].b == 1000);
BOOST_TEST(p[i].c == 1001);
}
}
BOOST_TEST(A::count == 0);
reset_counters();
{
bml::unique_ptr<default_init[]> p(bml::make_unique_definit<default_init[]>(10));
@@ -142,6 +170,13 @@ void test()
BOOST_TEST(0 == std::memcmp(&p[i], ee_patternbuf, sizeof(ee_patternbuf)));
}
}
reset_counters();
{
bml::unique_ptr<default_init[]> p(bml::make_unique_nothrow_definit<default_init[]>(10));
for(unsigned i = 0; i != 10; ++i){
BOOST_TEST(0 == std::memcmp(&p[i], cc_patternbuf, sizeof(cc_patternbuf)));
}
}
}
} //namespace make_unique_array{