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#include "common/config.h"
#include "include/buffer.h"
#include "include/encoding.h"
#include "gtest/gtest.h"
template < typename T >
static void test_encode_and_decode(const T& src)
{
bufferlist bl(1000000);
encode(src, bl);
T dst;
bufferlist::iterator i(bl.begin());
decode(dst, i);
ASSERT_EQ(src, dst) << "Encoding roundtrip changed the string: orig=" << src << ", but new=" << dst;
}
TEST(EncodingRoundTrip, StringSimple) {
string my_str("I am the very model of a modern major general");
test_encode_and_decode < std::string >(my_str);
}
TEST(EncodingRoundTrip, StringEmpty) {
string my_str("");
test_encode_and_decode < std::string >(my_str);
}
TEST(EncodingRoundTrip, StringNewline) {
string my_str("foo bar baz\n");
test_encode_and_decode < std::string >(my_str);
}
typedef std::multimap < int, std::string > multimap_t;
typedef multimap_t::value_type my_val_ty;
static std::ostream& operator<<(std::ostream& oss, const multimap_t &multimap)
{
for (multimap_t::const_iterator m = multimap.begin();
m != multimap.end();
++m)
{
oss << m->first << "->" << m->second << " ";
}
return oss;
}
TEST(EncodingRoundTrip, Multimap) {
multimap_t multimap;
multimap.insert( my_val_ty(1, "foo") );
multimap.insert( my_val_ty(2, "bar") );
multimap.insert( my_val_ty(2, "baz") );
multimap.insert( my_val_ty(3, "lucky number 3") );
multimap.insert( my_val_ty(10000, "large number") );
test_encode_and_decode < multimap_t >(multimap);
}
///////////////////////////////////////////////////////
// ConstructorCounter
///////////////////////////////////////////////////////
template <typename T>
class ConstructorCounter
{
public:
ConstructorCounter() : data(0)
{
default_ctor++;
}
ConstructorCounter(const T& data_)
: data(data_)
{
one_arg_ctor++;
}
ConstructorCounter(const ConstructorCounter &rhs)
: data(rhs.data)
{
copy_ctor++;
}
ConstructorCounter &operator=(const ConstructorCounter &rhs)
{
data = rhs.data;
assigns++;
return *this;
}
static void init(void)
{
default_ctor = 0;
one_arg_ctor = 0;
copy_ctor = 0;
assigns = 0;
}
static int get_default_ctor(void)
{
return default_ctor;
}
static int get_one_arg_ctor(void)
{
return one_arg_ctor;
}
static int get_copy_ctor(void)
{
return copy_ctor;
}
static int get_assigns(void)
{
return assigns;
}
bool operator<(const ConstructorCounter &rhs) const
{
return data < rhs.data;
}
bool operator==(const ConstructorCounter &rhs) const
{
return data == rhs.data;
}
friend void decode(ConstructorCounter &s, bufferlist::iterator& p)
{
::decode(s.data, p);
}
friend void encode(const ConstructorCounter &s, bufferlist& p)
{
::encode(s.data, p);
}
friend ostream& operator<<(ostream &oss, const ConstructorCounter &cc)
{
oss << cc.data;
return oss;
}
T data;
private:
static int default_ctor;
static int one_arg_ctor;
static int copy_ctor;
static int assigns;
};
template class ConstructorCounter <int32_t>;
template class ConstructorCounter <int16_t>;
typedef ConstructorCounter <int32_t> my_key_t;
typedef ConstructorCounter <int16_t> my_val_t;
typedef std::multimap < my_key_t, my_val_t > multimap2_t;
typedef multimap2_t::value_type val2_ty;
template <class T> int ConstructorCounter<T>::default_ctor = 0;
template <class T> int ConstructorCounter<T>::one_arg_ctor = 0;
template <class T> int ConstructorCounter<T>::copy_ctor = 0;
template <class T> int ConstructorCounter<T>::assigns = 0;
static std::ostream& operator<<(std::ostream& oss, const multimap2_t &multimap)
{
for (multimap2_t::const_iterator m = multimap.begin();
m != multimap.end();
++m)
{
oss << m->first << "->" << m->second << " ";
}
return oss;
}
TEST(EncodingRoundTrip, MultimapConstructorCounter) {
multimap2_t multimap2;
multimap2.insert( val2_ty(my_key_t(1), my_val_t(10)) );
multimap2.insert( val2_ty(my_key_t(2), my_val_t(20)) );
multimap2.insert( val2_ty(my_key_t(2), my_val_t(30)) );
multimap2.insert( val2_ty(my_key_t(3), my_val_t(40)) );
multimap2.insert( val2_ty(my_key_t(10000), my_val_t(1)) );
my_key_t::init();
my_val_t::init();
test_encode_and_decode < multimap2_t >(multimap2);
EXPECT_EQ(my_key_t::get_default_ctor(), 5);
EXPECT_EQ(my_key_t::get_one_arg_ctor(), 0);
EXPECT_EQ(my_key_t::get_copy_ctor(), 5);
EXPECT_EQ(my_key_t::get_assigns(), 0);
EXPECT_EQ(my_val_t::get_default_ctor(), 5);
EXPECT_EQ(my_val_t::get_one_arg_ctor(), 0);
EXPECT_EQ(my_val_t::get_copy_ctor(), 5);
EXPECT_EQ(my_val_t::get_assigns(), 0);
}
const char* expected_what[] = {
"buffer::malformed_input: void lame_decoder(int) unknown encoding version > 100",
"buffer::malformed_input: void lame_decoder(int) no longer understand old encoding version < 100",
"buffer::malformed_input: void lame_decoder(int) decode past end of struct encoding",
};
void lame_decoder(int which) {
switch (which) {
case 0:
throw buffer::malformed_input(DECODE_ERR_VERSION(__PRETTY_FUNCTION__, 100));
case 1:
throw buffer::malformed_input(DECODE_ERR_OLDVERSION(__PRETTY_FUNCTION__, 100));
case 2:
throw buffer::malformed_input(DECODE_ERR_PAST(__PRETTY_FUNCTION__));
}
}
TEST(EncodingException, Macros) {
for (unsigned i = 0; i < sizeof(expected_what)/sizeof(expected_what[0]); i++) {
try {
lame_decoder(i);
} catch (const exception& e) {
ASSERT_EQ(string(expected_what[i]), string(e.what()));
}
}
}
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