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/*************************************************************************
** StreamReaderTest.cpp **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2011 Martin Gieseking <martin.gieseking@uos.de> **
** **
** This program is free software; you can redistribute it and/or **
** modify it under the terms of the GNU General Public License as **
** published by the Free Software Foundation; either version 3 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 General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <gtest/gtest.h>
#include <sstream>
#include <string>
#include "CRC32.h"
#include "StreamReader.h"
using namespace std;
TEST(StreamReaderTest, readString) {
istringstream iss("dvisvgm converts DVI files to SVG.");
StreamReader reader(iss);
string str = reader.readString(iss.str().length());
EXPECT_EQ(str, iss.str());
}
TEST(StreamReaderTest, readStringCRC) {
istringstream iss("dvisvgm converts DVI files to SVG.");
StreamReader reader(iss);
CRC32 crc;
string str = reader.readString(iss.str().length(), crc);
EXPECT_EQ(str, iss.str());
EXPECT_EQ(crc.get(), 0x7c4ef359);
}
TEST(StreamReaderTest, readUnsigned) {
string str;
str.push_back('\x00');
str.push_back('\x01');
str.push_back('\x02');
str.push_back('\x03');
istringstream iss(str);
StreamReader reader(iss);
UInt32 val = reader.readUnsigned(4);
EXPECT_EQ(val, 0x00010203);
}
TEST(StreamReaderTest, readUnsignedCRC) {
string str;
str.push_back('\x00');
str.push_back('\x01');
str.push_back('\x02');
str.push_back('\x03');
istringstream iss(str);
StreamReader reader(iss);
CRC32 crc;
UInt32 val = reader.readUnsigned(4, crc);
EXPECT_EQ(val, 0x00010203);
EXPECT_EQ(crc.get(), 0x8bb98613);
}
TEST(StreamReaderTest, readSigned) {
string str;
str.push_back('\xff');
str.push_back('\xee');
str.push_back('\xdd');
str.push_back('\xcc');
istringstream iss(str);
StreamReader reader(iss);
Int32 val = reader.readUnsigned(4);
EXPECT_EQ(val, 0xffeeddcc);
}
TEST(StreamReaderTest, readSignedCRC) {
string str;
str.push_back('\xff');
str.push_back('\xee');
str.push_back('\xdd');
str.push_back('\xcc');
istringstream iss(str);
StreamReader reader(iss);
CRC32 crc;
Int32 val = reader.readUnsigned(4, crc);
EXPECT_EQ(val, 0xffeeddcc);
EXPECT_EQ(crc.get(), 0xfa79118e);
}
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