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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "test.h"
#include "util/string.h"
#include "util/serialize.h"
class TestSerialization : public TestBase {
public:
TestSerialization() { TestManager::registerTestModule(this); }
const char *getName() { return "TestSerialization"; }
void runTests(IGameDef *gamedef);
void buildTestStrings();
void testSerializeString();
void testSerializeWideString();
void testSerializeLongString();
void testSerializeJsonString();
void testSerializeHex();
void testDeSerializeString();
void testDeSerializeWideString();
void testDeSerializeLongString();
std::string teststring2;
std::wstring teststring2_w;
std::string teststring2_w_encoded;
};
static TestSerialization g_test_instance;
void TestSerialization::runTests(IGameDef *gamedef)
{
buildTestStrings();
TEST(testSerializeString);
TEST(testDeSerializeString);
TEST(testSerializeWideString);
TEST(testDeSerializeWideString);
TEST(testSerializeLongString);
TEST(testDeSerializeLongString);
TEST(testSerializeJsonString);
TEST(testSerializeHex);
}
////////////////////////////////////////////////////////////////////////////////
// To be used like this:
// mkstr("Some\0string\0with\0embedded\0nuls")
// since std::string("...") doesn't work as expected in that case.
template<size_t N> std::string mkstr(const char (&s)[N])
{
return std::string(s, N - 1);
}
void TestSerialization::buildTestStrings()
{
std::ostringstream tmp_os;
std::wostringstream tmp_os_w;
std::ostringstream tmp_os_w_encoded;
for (int i = 0; i < 256; i++) {
tmp_os << (char)i;
tmp_os_w << (wchar_t)i;
tmp_os_w_encoded << (char)0 << (char)i;
}
teststring2 = tmp_os.str();
teststring2_w = tmp_os_w.str();
teststring2_w_encoded = tmp_os_w_encoded.str();
}
void TestSerialization::testSerializeString()
{
// Test blank string
UASSERT(serializeString("") == mkstr("\0\0"));
// Test basic string
UASSERT(serializeString("Hello world!") == mkstr("\0\14Hello world!"));
// Test character range
UASSERT(serializeString(teststring2) == mkstr("\1\0") + teststring2);
}
void TestSerialization::testDeSerializeString()
{
// Test deserialize
{
std::istringstream is(serializeString(teststring2), std::ios::binary);
UASSERT(deSerializeString(is) == teststring2);
UASSERT(!is.eof());
is.get();
UASSERT(is.eof());
}
// Test deserialize an incomplete length specifier
{
std::istringstream is(mkstr("\x53"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeString(is));
}
// Test deserialize a string with incomplete data
{
std::istringstream is(mkstr("\x00\x55 abcdefg"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeString(is));
}
}
void TestSerialization::testSerializeWideString()
{
// Test blank string
UASSERT(serializeWideString(L"") == mkstr("\0\0"));
// Test basic string
UASSERT(serializeWideString(utf8_to_wide("Hello world!")) ==
mkstr("\0\14\0H\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0!"));
// Test character range
UASSERT(serializeWideString(teststring2_w) ==
mkstr("\1\0") + teststring2_w_encoded);
}
void TestSerialization::testDeSerializeWideString()
{
// Test deserialize
{
std::istringstream is(serializeWideString(teststring2_w), std::ios::binary);
UASSERT(deSerializeWideString(is) == teststring2_w);
UASSERT(!is.eof());
is.get();
UASSERT(is.eof());
}
// Test deserialize an incomplete length specifier
{
std::istringstream is(mkstr("\x53"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeWideString(is));
}
// Test deserialize a string with an incomplete character
{
std::istringstream is(mkstr("\x00\x07\0a\0b\0c\0d\0e\0f\0"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeWideString(is));
}
// Test deserialize a string with incomplete data
{
std::istringstream is(mkstr("\x00\x08\0a\0b\0c\0d\0e\0f"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeWideString(is));
}
}
void TestSerialization::testSerializeLongString()
{
// Test blank string
UASSERT(serializeLongString("") == mkstr("\0\0\0\0"));
// Test basic string
UASSERT(serializeLongString("Hello world!") == mkstr("\0\0\0\14Hello world!"));
// Test character range
UASSERT(serializeLongString(teststring2) == mkstr("\0\0\1\0") + teststring2);
}
void TestSerialization::testDeSerializeLongString()
{
// Test deserialize
{
std::istringstream is(serializeLongString(teststring2), std::ios::binary);
UASSERT(deSerializeLongString(is) == teststring2);
UASSERT(!is.eof());
is.get();
UASSERT(is.eof());
}
// Test deserialize an incomplete length specifier
{
std::istringstream is(mkstr("\x53"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeLongString(is));
}
// Test deserialize a string with incomplete data
{
std::istringstream is(mkstr("\x00\x00\x00\x05 abc"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeLongString(is));
}
// Test deserialize a string with a length too large
{
std::istringstream is(mkstr("\xFF\xFF\xFF\xFF blah"), std::ios::binary);
EXCEPTION_CHECK(SerializationError, deSerializeLongString(is));
}
}
void TestSerialization::testSerializeJsonString()
{
// Test blank string
UASSERT(serializeJsonString("") == "\"\"");
// Test basic string
UASSERT(serializeJsonString("Hello world!") == "\"Hello world!\"");
// MSVC fails when directly using "\\\\"
std::string backslash = "\\";
UASSERT(serializeJsonString(teststring2) ==
mkstr("\"") +
"\\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007" +
"\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f" +
"\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" +
"\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f" +
" !\\\"" + teststring2.substr(0x23, 0x2f-0x23) +
"\\/" + teststring2.substr(0x30, 0x5c-0x30) +
backslash + backslash + teststring2.substr(0x5d, 0x7f-0x5d) + "\\u007f" +
"\\u0080\\u0081\\u0082\\u0083\\u0084\\u0085\\u0086\\u0087" +
"\\u0088\\u0089\\u008a\\u008b\\u008c\\u008d\\u008e\\u008f" +
"\\u0090\\u0091\\u0092\\u0093\\u0094\\u0095\\u0096\\u0097" +
"\\u0098\\u0099\\u009a\\u009b\\u009c\\u009d\\u009e\\u009f" +
"\\u00a0\\u00a1\\u00a2\\u00a3\\u00a4\\u00a5\\u00a6\\u00a7" +
"\\u00a8\\u00a9\\u00aa\\u00ab\\u00ac\\u00ad\\u00ae\\u00af" +
"\\u00b0\\u00b1\\u00b2\\u00b3\\u00b4\\u00b5\\u00b6\\u00b7" +
"\\u00b8\\u00b9\\u00ba\\u00bb\\u00bc\\u00bd\\u00be\\u00bf" +
"\\u00c0\\u00c1\\u00c2\\u00c3\\u00c4\\u00c5\\u00c6\\u00c7" +
"\\u00c8\\u00c9\\u00ca\\u00cb\\u00cc\\u00cd\\u00ce\\u00cf" +
"\\u00d0\\u00d1\\u00d2\\u00d3\\u00d4\\u00d5\\u00d6\\u00d7" +
"\\u00d8\\u00d9\\u00da\\u00db\\u00dc\\u00dd\\u00de\\u00df" +
"\\u00e0\\u00e1\\u00e2\\u00e3\\u00e4\\u00e5\\u00e6\\u00e7" +
"\\u00e8\\u00e9\\u00ea\\u00eb\\u00ec\\u00ed\\u00ee\\u00ef" +
"\\u00f0\\u00f1\\u00f2\\u00f3\\u00f4\\u00f5\\u00f6\\u00f7" +
"\\u00f8\\u00f9\\u00fa\\u00fb\\u00fc\\u00fd\\u00fe\\u00ff" +
"\"");
// Test deserialize
std::istringstream is(serializeJsonString(teststring2), std::ios::binary);
UASSERT(deSerializeJsonString(is) == teststring2);
UASSERT(!is.eof());
is.get();
UASSERT(is.eof());
}
void TestSerialization::testSerializeHex()
{
// Test blank string
UASSERT(serializeHexString("") == "");
UASSERT(serializeHexString("", true) == "");
// Test basic string
UASSERT(serializeHexString("Hello world!") ==
"48656c6c6f20776f726c6421");
UASSERT(serializeHexString("Hello world!", true) ==
"48 65 6c 6c 6f 20 77 6f 72 6c 64 21");
// Test binary string
UASSERT(serializeHexString(mkstr("\x00\x0a\xb0\x63\x1f\x00\xff")) ==
"000ab0631f00ff");
UASSERT(serializeHexString(mkstr("\x00\x0a\xb0\x63\x1f\x00\xff"), true) ==
"00 0a b0 63 1f 00 ff");
}
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