mirror of https://github.com/aria2/aria2
297 lines
8.4 KiB
C++
297 lines
8.4 KiB
C++
#include "bencode.h"
|
|
|
|
#include <cstring>
|
|
#include <iostream>
|
|
|
|
#include <cppunit/extensions/HelperMacros.h>
|
|
|
|
#include "Util.h"
|
|
#include "RecoverableException.h"
|
|
|
|
namespace aria2 {
|
|
|
|
class BencodeTest:public CppUnit::TestFixture {
|
|
|
|
CPPUNIT_TEST_SUITE(BencodeTest);
|
|
CPPUNIT_TEST(testString);
|
|
CPPUNIT_TEST(testInteger);
|
|
CPPUNIT_TEST(testDict);
|
|
CPPUNIT_TEST(testDictIter);
|
|
CPPUNIT_TEST(testList);
|
|
CPPUNIT_TEST(testListIter);
|
|
CPPUNIT_TEST(testDecode);
|
|
CPPUNIT_TEST(testEncode);
|
|
CPPUNIT_TEST_SUITE_END();
|
|
private:
|
|
|
|
public:
|
|
void testString();
|
|
void testInteger();
|
|
void testDict();
|
|
void testDictIter();
|
|
void testList();
|
|
void testListIter();
|
|
void testDecode();
|
|
void testEncode();
|
|
};
|
|
|
|
|
|
CPPUNIT_TEST_SUITE_REGISTRATION( BencodeTest );
|
|
|
|
void BencodeTest::testString()
|
|
{
|
|
bencode::BDE s(std::string("aria2"));
|
|
CPPUNIT_ASSERT_EQUAL(std::string("aria2"), s.s());
|
|
|
|
unsigned char dataWithNull[] = { 0xf0, '\0', 0x0f };
|
|
bencode::BDE sWithNull(dataWithNull, sizeof(dataWithNull));
|
|
CPPUNIT_ASSERT(memcmp(dataWithNull, sWithNull.s().c_str(),
|
|
sizeof(dataWithNull)) == 0);
|
|
|
|
bencode::BDE zero("");
|
|
CPPUNIT_ASSERT_EQUAL(std::string(""), zero.s());
|
|
|
|
const unsigned char uc[] = { 0x08, 0x19, 0x2a, 0x3b };
|
|
bencode::BDE data(uc, sizeof(uc));
|
|
CPPUNIT_ASSERT_EQUAL(Util::toHex(uc, sizeof(uc)),
|
|
Util::toHex(data.uc(), data.s().size()));
|
|
}
|
|
|
|
void BencodeTest::testInteger()
|
|
{
|
|
bencode::BDE integer(INT64_MAX);
|
|
CPPUNIT_ASSERT_EQUAL(INT64_MAX, integer.i());
|
|
}
|
|
|
|
void BencodeTest::testDict()
|
|
{
|
|
bencode::BDE dict = bencode::BDE::dict();
|
|
CPPUNIT_ASSERT(dict.empty());
|
|
|
|
dict["ki"] = 7;
|
|
dict["ks"] = std::string("abc");
|
|
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), dict.size());
|
|
CPPUNIT_ASSERT(dict.containsKey("ki"));
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<bencode::BDE::Integer>(7), dict["ki"].i());
|
|
CPPUNIT_ASSERT(dict.containsKey("ks"));
|
|
CPPUNIT_ASSERT_EQUAL(std::string("abc"), dict["ks"].s());
|
|
|
|
CPPUNIT_ASSERT(dict["kn"].isNone()); // This adds kn key with default value.
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(3), dict.size());
|
|
CPPUNIT_ASSERT(dict.containsKey("kn"));
|
|
|
|
const bencode::BDE& ref = dict;
|
|
ref["kn2"]; // This doesn't add kn2 key.
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(3), ref.size());
|
|
CPPUNIT_ASSERT(!ref.containsKey("kn2"));
|
|
|
|
dict.removeKey("kn");
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), dict.size());
|
|
CPPUNIT_ASSERT(!dict.containsKey("kn"));
|
|
}
|
|
|
|
void BencodeTest::testDictIter()
|
|
{
|
|
bencode::BDE dict = bencode::BDE::dict();
|
|
dict["alpha2"] = std::string("alpha2");
|
|
dict["charlie"] = std::string("charlie");
|
|
dict["bravo"] = std::string("bravo");
|
|
dict["alpha"] = std::string("alpha");
|
|
|
|
bencode::BDE::Dict::iterator i = dict.dictBegin();
|
|
CPPUNIT_ASSERT_EQUAL(std::string("alpha"), (*i++).first);
|
|
CPPUNIT_ASSERT_EQUAL(std::string("alpha2"), (*i++).first);
|
|
CPPUNIT_ASSERT_EQUAL(std::string("bravo"), (*i++).first);
|
|
CPPUNIT_ASSERT_EQUAL(std::string("charlie"), (*i++).first);
|
|
CPPUNIT_ASSERT(dict.dictEnd() == i);
|
|
|
|
const bencode::BDE& ref = dict;
|
|
bencode::BDE::Dict::const_iterator ci = ref.dictBegin();
|
|
CPPUNIT_ASSERT_EQUAL(std::string("alpha"), (*ci++).first);
|
|
std::advance(ci, 3);
|
|
CPPUNIT_ASSERT(ref.dictEnd() == ci);
|
|
}
|
|
|
|
void BencodeTest::testList()
|
|
{
|
|
bencode::BDE list = bencode::BDE::list();
|
|
CPPUNIT_ASSERT(list.empty());
|
|
list << 7;
|
|
list << std::string("aria2");
|
|
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), list.size());
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<bencode::BDE::Integer>(7), list[0].i());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("aria2"), list[1].s());
|
|
|
|
const bencode::BDE& ref = list;
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<bencode::BDE::Integer>(7), ref[0].i());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("aria2"), ref[1].s());
|
|
}
|
|
|
|
void BencodeTest::testListIter()
|
|
{
|
|
bencode::BDE list = bencode::BDE::list();
|
|
list << std::string("alpha2");
|
|
list << std::string("charlie");
|
|
list << std::string("bravo");
|
|
list << std::string("alpha");
|
|
|
|
bencode::BDE::List::iterator i = list.listBegin();
|
|
CPPUNIT_ASSERT_EQUAL(std::string("alpha2"), (*i++).s());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("charlie"), (*i++).s());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("bravo"), (*i++).s());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("alpha"), (*i++).s());
|
|
CPPUNIT_ASSERT(list.listEnd() == i);
|
|
|
|
const bencode::BDE& ref = list;
|
|
bencode::BDE::List::const_iterator ci = ref.listBegin();
|
|
CPPUNIT_ASSERT_EQUAL(std::string("alpha2"), (*ci++).s());
|
|
std::advance(ci, 3);
|
|
CPPUNIT_ASSERT(ref.listEnd() == ci);
|
|
}
|
|
|
|
void BencodeTest::testDecode()
|
|
{
|
|
{
|
|
// string, integer and list in dict
|
|
bencode::BDE dict =
|
|
bencode::decode("d4:name5:aria24:sizei12345678900e5:filesl3:bin3:docee");
|
|
CPPUNIT_ASSERT(dict.isDict());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("aria2"), dict["name"].s());
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<bencode::BDE::Integer>(12345678900LL),
|
|
dict["size"].i());
|
|
bencode::BDE list = dict["files"];
|
|
CPPUNIT_ASSERT(list.isList());
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), list.size());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("bin"), list[0].s());
|
|
CPPUNIT_ASSERT_EQUAL(std::string("doc"), list[1].s());
|
|
}
|
|
{
|
|
// dict in list
|
|
bencode::BDE list = bencode::decode("ld1:ki123eee");
|
|
CPPUNIT_ASSERT(list.isList());
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), list.size());
|
|
bencode::BDE dict = list[0];
|
|
CPPUNIT_ASSERT(dict.isDict());
|
|
CPPUNIT_ASSERT_EQUAL(static_cast<bencode::BDE::Integer>(123),
|
|
dict["k"].i());
|
|
}
|
|
{
|
|
// empty key is allowed
|
|
bencode::BDE s = bencode::decode("d0:1:ve");
|
|
}
|
|
{
|
|
// empty string
|
|
bencode::BDE s = bencode::decode("0:");
|
|
CPPUNIT_ASSERT_EQUAL(std::string(""), s.s());
|
|
}
|
|
{
|
|
// empty dict
|
|
bencode::BDE d = bencode::decode("de");
|
|
CPPUNIT_ASSERT(d.empty());
|
|
}
|
|
{
|
|
// empty list
|
|
bencode::BDE l = bencode::decode("le");
|
|
CPPUNIT_ASSERT(l.empty());
|
|
}
|
|
{
|
|
// integer, without ending 'e'
|
|
try {
|
|
bencode::decode("i3");
|
|
CPPUNIT_FAIL("exception must be thrown.");
|
|
} catch(RecoverableException& e) {
|
|
CPPUNIT_ASSERT_EQUAL(std::string("Delimiter 'e' not found."),
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
{
|
|
// dict, without ending 'e'
|
|
try {
|
|
bencode::decode("d");
|
|
CPPUNIT_FAIL("exception must be thrown.");
|
|
} catch(RecoverableException& e) {
|
|
CPPUNIT_ASSERT_EQUAL(std::string("Unexpected EOF in dict context."
|
|
" 'e' expected."),
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
{
|
|
// list, without ending 'e'
|
|
try {
|
|
bencode::decode("l");
|
|
CPPUNIT_FAIL("exception must be thrown.");
|
|
} catch(RecoverableException& e) {
|
|
CPPUNIT_ASSERT_EQUAL(std::string("Unexpected EOF in list context."
|
|
" 'e' expected."),
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
{
|
|
// string, less than the specified length.
|
|
try {
|
|
bencode::decode("3:ab");
|
|
CPPUNIT_FAIL("exception must be thrown.");
|
|
} catch(RecoverableException& e) {
|
|
CPPUNIT_ASSERT_EQUAL(std::string("Expected 3 bytes of data,"
|
|
" but only 2 read."),
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
{
|
|
// string, but length is invalid
|
|
try {
|
|
bencode::decode("x:abc");
|
|
CPPUNIT_FAIL("exception must be thrown.");
|
|
} catch(RecoverableException& e) {
|
|
CPPUNIT_ASSERT_EQUAL(std::string("A positive integer expected"
|
|
" but none found."),
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
{
|
|
// string with minus length
|
|
try {
|
|
bencode::decode("-1:a");
|
|
CPPUNIT_FAIL("exception must be thrown.");
|
|
} catch(RecoverableException& e) {
|
|
CPPUNIT_ASSERT_EQUAL(std::string("A positive integer expected"
|
|
" but none found."),
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
{
|
|
// empty encoded data
|
|
CPPUNIT_ASSERT(bencode::decode("").isNone());
|
|
}
|
|
{
|
|
// ignore trailing garbage at the end of the input.
|
|
bencode::BDE s = bencode::decode("5:aria2trail");
|
|
CPPUNIT_ASSERT_EQUAL(std::string("aria2"), s.s());
|
|
}
|
|
}
|
|
|
|
void BencodeTest::testEncode()
|
|
{
|
|
{
|
|
bencode::BDE dict = bencode::BDE::dict();
|
|
dict["name"] = std::string("aria2");
|
|
dict["loc"] = 80000;
|
|
dict["files"] = bencode::BDE::list();
|
|
dict["files"] << std::string("aria2c");
|
|
dict["attrs"] = bencode::BDE::dict();
|
|
dict["attrs"]["license"] = std::string("GPL");
|
|
|
|
CPPUNIT_ASSERT_EQUAL(std::string("d"
|
|
"5:attrsd7:license3:GPLe"
|
|
"5:filesl6:aria2ce"
|
|
"3:loci80000e"
|
|
"4:name5:aria2"
|
|
"e"),
|
|
bencode::encode(dict));
|
|
}
|
|
}
|
|
|
|
} // namespace aria2
|