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/*************************************************************************
** TFMReaderTest.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2024 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 <cstdlib>
#include <memory>
#include <fstream>
#include <string>
#include <vector>
#include "TFM.hpp"
#include "utility.hpp"
#ifndef SRCDIR
#define SRCDIR "."
#endif
using namespace std;
class TFMReaderTest : public ::testing::Test {
public:
void SetUp () override {
string fname = string(SRCDIR)+"/data/cmr10.tfm";
ifstream ifs(fname, ios::binary);
ASSERT_TRUE(ifs.is_open()) << "failed opening " << fname;
tfm = util::make_unique<TFM>();
tfm->read(ifs);
}
protected:
unique_ptr<TFM> tfm;
};
TEST_F(TFMReaderTest, properties) {
ASSERT_NE(tfm, nullptr);
EXPECT_EQ(tfm->getChecksum(), 0x4BF16079u);
EXPECT_FALSE(tfm->verticalLayout());
EXPECT_EQ(tfm->firstChar(), 0u);
EXPECT_EQ(tfm->lastChar(), 127u);
EXPECT_DOUBLE_EQ(tfm->getDesignSize(), 10.0*72.0/72.27);
}
TEST_F(TFMReaderTest, charWidth) {
ASSERT_NE(tfm, nullptr);
EXPECT_NEAR(tfm->getCharWidth('M'), 9.132, 0.001);
EXPECT_NEAR(tfm->getCharWidth('g'), 4.981, 0.001);
EXPECT_DOUBLE_EQ(tfm->getCharWidth(200), 0);
}
TEST_F(TFMReaderTest, charHeight) {
ASSERT_NE(tfm, nullptr);
EXPECT_NEAR(tfm->getCharHeight('M'), 6.808, 0.001);
EXPECT_NEAR(tfm->getCharHeight('g'), 4.289, 0.001);
EXPECT_DOUBLE_EQ(tfm->getCharHeight(200), 0);
}
TEST_F(TFMReaderTest, charDepth) {
ASSERT_NE(tfm, nullptr);
EXPECT_DOUBLE_EQ(tfm->getCharDepth('M'), 0);
EXPECT_NEAR(tfm->getCharDepth('g'), 1.937, 0.001);
EXPECT_DOUBLE_EQ(tfm->getCharDepth(200), 0);
}
TEST_F(TFMReaderTest, italicCorr) {
ASSERT_NE(tfm, nullptr);
EXPECT_DOUBLE_EQ(tfm->getItalicCorr('M'), 0);
EXPECT_NEAR(tfm->getItalicCorr('g'), 0.138, 0.001);
EXPECT_DOUBLE_EQ(tfm->getItalicCorr(200), 0);
}
TEST_F(TFMReaderTest, params) {
ASSERT_NE(tfm, nullptr);
EXPECT_NEAR(tfm->getSpace(), 3.321, 0.001);
EXPECT_NEAR(tfm->getSpaceShrink(), 1.107, 0.001);
EXPECT_NEAR(tfm->getSpaceStretch(), 1.66, 0.001);
EXPECT_NEAR(tfm->getQuad(), 9.963, 0.001);
}
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