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/*************************************************************************
** PapersizeSpecialTest.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2025 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 "PapersizeSpecialHandler.hpp"
#include "SpecialActions.hpp"
using namespace std;
class PapersizeSpecialTest : public ::testing::Test {
protected:
class PapersizeSpecialActions : public EmptySpecialActions {
public:
PapersizeSpecialActions () : _pageno(0) {}
BoundingBox& bbox () override {return _bbox;}
string getBBoxFormatString () const override {return _bboxFormatString;}
void setBBoxFormatString (const string &str) {_bboxFormatString = str;}
unsigned getCurrentPageNumber () const override {return _pageno;}
void setCurrentPageNumber (unsigned pageno) {_pageno = pageno;}
private:
BoundingBox _bbox;
string _bboxFormatString;
unsigned _pageno;
};
class MyPapersizeSpecialHandler : public PapersizeSpecialHandler {
public:
void endPage (PapersizeSpecialActions &actions) {dviEndPage(actions.getCurrentPageNumber(), actions);}
};
void SetUp () override {
handler.reset();
}
string bboxString () {
return actions.bbox().svgViewBoxString();
}
void preprocess (const string &str) {
istringstream iss(str);
handler.preprocess("", iss, actions);
}
bool process (const string &str) {
istringstream iss(str);
return handler.process("", iss, actions);
}
void endPage () {
handler.endPage(actions);
}
protected:
MyPapersizeSpecialHandler handler;
PapersizeSpecialActions actions;
};
TEST_F(PapersizeSpecialTest, name) {
EXPECT_EQ(handler.name(), "papersize");
ASSERT_EQ(handler.prefixes().size(), 1u);
ASSERT_STREQ(handler.prefixes()[0], "papersize=");
}
TEST_F(PapersizeSpecialTest, disabled) {
actions.setBBoxFormatString("min"); // --bbox=min => ignore papersize specials
actions.setCurrentPageNumber(1);
ASSERT_EQ(bboxString(), "0 0 0 0");
preprocess("123,456");
endPage();
ASSERT_EQ(bboxString(), "0 0 0 0");
ASSERT_TRUE(process("dummy"));
}
TEST_F(PapersizeSpecialTest, singlePage1) {
actions.setBBoxFormatString("papersize"); // --bbox=papersize => evaluate papersize specials
actions.setCurrentPageNumber(1);
ASSERT_EQ(bboxString(), "0 0 0 0");
preprocess("123bp,456bp");
endPage();
ASSERT_EQ(bboxString(), "-72 -72 123 456");
}
TEST_F(PapersizeSpecialTest, singlePage2) {
actions.setBBoxFormatString("papersize");
actions.setCurrentPageNumber(1);
ASSERT_EQ(bboxString(), "0 0 0 0");
preprocess("123bp,456bp");
preprocess("333bp,444bp");
preprocess("321bp,654bp");
endPage();
ASSERT_EQ(bboxString(), "-72 -72 321 654");
}
TEST_F(PapersizeSpecialTest, multiPage1) {
actions.setBBoxFormatString("papersize");
actions.setCurrentPageNumber(1);
ASSERT_EQ(bboxString(), "0 0 0 0");
preprocess("123bp,456bp");
preprocess("333bp,444bp");
preprocess("321bp,654bp");
endPage();
ASSERT_EQ(bboxString(), "-72 -72 321 654");
actions.setCurrentPageNumber(2);
endPage();
ASSERT_EQ(bboxString(), "-72 -72 321 654");
actions.setCurrentPageNumber(3);
endPage();
ASSERT_EQ(bboxString(), "-72 -72 321 654");
}
TEST_F(PapersizeSpecialTest, multiPage2) {
actions.setBBoxFormatString("papersize");
actions.setCurrentPageNumber(1);
ASSERT_EQ(bboxString(), "0 0 0 0");
preprocess("123bp,456bp");
preprocess("333bp");
endPage();
ASSERT_EQ(bboxString(), "-72 -72 333 333");
actions.setCurrentPageNumber(2);
endPage();
ASSERT_EQ(bboxString(), "-72 -72 333 333");
actions.setCurrentPageNumber(3);
preprocess("321bp,456bp");
endPage();
ASSERT_EQ(bboxString(), "-72 -72 321 456");
}
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