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/*************************************************************************
** StreamWriterTest.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 "StreamWriter.h"
using namespace std;
TEST(StreamWriterTest, writeString) {
ostringstream oss;
StreamWriter writer(oss);
string str = "dvisvgm converts DVI files to SVG.";
writer.writeString(str);
EXPECT_EQ(oss.str(), str);
oss.str("");
writer.writeString(str, true);
str.push_back('\0');
EXPECT_EQ(oss.str(), str);
}
TEST(StreamWriterTest, writeStringCRC) {
ostringstream oss;
StreamWriter writer(oss);
CRC32 crc;
string str = "dvisvgm converts DVI files to SVG.";
writer.writeString(str, crc);
EXPECT_EQ(oss.str(), str);
EXPECT_EQ(crc.get(), 0x7C4EF359);
oss.str("");
crc.reset();
writer.writeString(str, crc, true);
str.push_back('\0');
EXPECT_EQ(oss.str(), str);
EXPECT_EQ(crc.get(), 0xc0c9482e);
}
TEST(StreamWriterTest, writeUnsigned) {
ostringstream oss;
StreamWriter writer(oss);
writer.writeUnsigned(0x00010203, 4);
string str;
str.push_back('\x00');
str.push_back('\x01');
str.push_back('\x02');
str.push_back('\x03');
EXPECT_EQ(oss.str(), str);
}
TEST(StreamWriterTest, writeUnsignedCRC) {
ostringstream oss;
StreamWriter writer(oss);
CRC32 crc;
writer.writeUnsigned(0x00010203, 4, crc);
string str;
str.push_back('\x00');
str.push_back('\x01');
str.push_back('\x02');
str.push_back('\x03');
EXPECT_EQ(oss.str(), str);
EXPECT_EQ(crc.get(), 0x8bb98613);
}
TEST(StreamWriterTest, writeSigned) {
ostringstream oss;
StreamWriter writer(oss);
writer.writeUnsigned(0xffeeddcc, 4);
string str;
str.push_back('\xff');
str.push_back('\xee');
str.push_back('\xdd');
str.push_back('\xcc');
EXPECT_EQ(oss.str(), str);
}
TEST(StreamWriterTest, writeSignedCRC) {
ostringstream oss;
StreamWriter writer(oss);
CRC32 crc;
writer.writeUnsigned(0xffeeddcc, 4, crc);
string str;
str.push_back('\xff');
str.push_back('\xee');
str.push_back('\xdd');
str.push_back('\xcc');
EXPECT_EQ(oss.str(), str);
EXPECT_EQ(crc.get(), 0xfa79118e);
}
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