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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/tests/EmSpecialTest.cpp b/Build/source/texk/dvisvgm/dvisvgm-src/tests/EmSpecialTest.cpp
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+/*************************************************************************
+** EmSpecialTest.cpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2017 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 "EmSpecialHandler.hpp"
+#include "SpecialActions.hpp"
+#include "XMLNode.hpp"
+#include "XMLString.hpp"
+
+using namespace std;
+
+
+class EmSpecialTest : public ::testing::Test
+{
+ protected:
+ class ActionsRecorder : public EmptySpecialActions
+ {
+ public:
+ ActionsRecorder () : page("page") {}
+ void appendToPage (XMLNode *node) {page.append(node);}
+ void embed (const BoundingBox &bb) {bbox.embed(bb);}
+ void setX (double xx) {x = xx;}
+ void setY (double yy) {x = yy;}
+ double getX () const {return x;}
+ double getY () const {return y;}
+ Color getColor () const {return color;}
+ void setColor (const Color &c) {color = c;}
+ void clear () {page.clear(); bbox=BoundingBox(0, 0, 0, 0);}
+ string getPageXML () const {ostringstream oss; oss << page; return oss.str();}
+ const Matrix& getMatrix () const {static Matrix m(1); return m;}
+
+ void write (ostream &os) const {
+ os << "page: " << page << '\n'
+ << "bbox: " << bbox.toSVGViewBox() << '\n';
+ }
+
+ private:
+ double x, y;
+ Color color;
+ XMLElementNode page;
+ BoundingBox bbox;
+ };
+
+
+ class MyEmSpecialHandler : public EmSpecialHandler
+ {
+ public:
+ MyEmSpecialHandler (SpecialActions &a) : actions(a) {}
+ void finishPage () {dviEndPage(0, actions);}
+ void processSpecial (const string &str) {stringstream ss; ss << str; process("em", ss, actions);}
+
+ protected:
+ SpecialActions &actions;
+ };
+
+ public:
+ EmSpecialTest () : handler(recorder) {}
+
+ void SetUp () {
+ recorder.clear();
+ }
+
+
+ protected:
+ ActionsRecorder recorder;
+ MyEmSpecialHandler handler;
+};
+
+
+TEST_F(EmSpecialTest, basic) {
+ EXPECT_EQ(handler.name(), "em");
+}
+
+
+TEST_F(EmSpecialTest, lines1) {
+ DPair p[] = {DPair(0,0), DPair(0,10), DPair(10,10), DPair(10,0)};
+ int n = sizeof(p)/sizeof(DPair);
+ for (int i=0; i < n; i++) {
+ recorder.setX(p[i].x());
+ recorder.setY(p[i].y());
+ handler.processSpecial(string("point ")+XMLString(i));
+ }
+ EXPECT_EQ(recorder.getPageXML(), "<page/>");
+ handler.processSpecial("linewidth 2bp");
+ for (int i=0; i < n; i++)
+ handler.processSpecial(string("line ")+XMLString(i)+", "+XMLString((i+1)%n));
+ EXPECT_EQ(recorder.getPageXML(),
+ "<page>\n"
+ "<line stroke='#000000' stroke-width='2' x1='0' x2='10' y1='0' y2='0'/>\n"
+ "<line stroke='#000000' stroke-width='2' x1='10' x2='10' y1='0' y2='0'/>\n"
+ "<line stroke='#000000' stroke-width='2' x1='10' x2='0' y1='0' y2='0'/>\n"
+ "<line stroke='#000000' stroke-width='2' x1='0' x2='0' y1='0' y2='0'/>\n"
+ "</page>"
+ );
+}
+
+
+TEST_F(EmSpecialTest, lines2) {
+ DPair p[] = {DPair(0,0), DPair(0,10), DPair(10,10), DPair(10,0)};
+ int n = sizeof(p)/sizeof(DPair);
+ handler.processSpecial("linewidth 2bp");
+ // define lines prior to the points
+ for (int i=0; i < n; i++)
+ handler.processSpecial(string("line ")+XMLString(i)+", "+XMLString((i+1)%n));
+ // define points
+ for (int i=0; i < n; i++) {
+ recorder.setX(p[i].x());
+ recorder.setY(p[i].y());
+ handler.processSpecial(string("point ")+XMLString(i));
+ }
+ handler.finishPage();
+ EXPECT_EQ(recorder.getPageXML(),
+ "<page>\n"
+ "<line stroke='#000000' stroke-width='2' x1='0' x2='10' y1='0' y2='0'/>\n"
+ "<line stroke='#000000' stroke-width='2' x1='10' x2='10' y1='0' y2='0'/>\n"
+ "<line stroke='#000000' stroke-width='2' x1='10' x2='0' y1='0' y2='0'/>\n"
+ "<line stroke='#000000' stroke-width='2' x1='0' x2='0' y1='0' y2='0'/>\n"
+ "</page>"
+ );
+}
+
+
+TEST_F(EmSpecialTest, pline) {
+ handler.processSpecial("point 1, 10, 10");
+ handler.processSpecial("point 2, 100, 100");
+ handler.processSpecial("line 1, 2, 10bp");
+ EXPECT_EQ(recorder.getPageXML(), "<page>\n<line stroke='#000000' stroke-width='10' x1='10' x2='100' y1='10' y2='100'/>\n</page>");
+}
+
+
+TEST_F(EmSpecialTest, vline) {
+ XMLString::DECIMAL_PLACES=2;
+ handler.processSpecial("point 1, 10, 10");
+ handler.processSpecial("point 2, 100, 100");
+ handler.processSpecial("line 1v, 2v, 10bp"); // cut line ends vertically
+ EXPECT_EQ(recorder.getPageXML(), "<page>\n<polygon points='10,17.07 10,2.93 100,92.93 100,107.07'/>\n</page>");
+}
+
+
+TEST_F(EmSpecialTest, hline) {
+ XMLString::DECIMAL_PLACES=2;
+ handler.processSpecial("point 1, 10, 10");
+ handler.processSpecial("point 2, 100, 100");
+ handler.processSpecial("line 1h, 2h, 10bp"); // cut line ends horizontally
+ EXPECT_EQ(recorder.getPageXML(), "<page>\n<polygon points='2.93,10 17.07,10 107.07,100 92.93,100'/>\n</page>");
+}
+
+
+TEST_F(EmSpecialTest, hvline) {
+ XMLString::DECIMAL_PLACES=2;
+ handler.processSpecial("point 1, 10, 10");
+ handler.processSpecial("point 2, 100, 100");
+ handler.processSpecial("line 1h, 2v, 10bp"); // cut line ends horizontally
+ EXPECT_EQ(recorder.getPageXML(), "<page>\n<polygon points='2.93,10 17.07,10 100,92.93 100,107.07'/>\n</page>");
+
+ recorder.clear();
+ recorder.setColor(Color(0.0, 0.0, 1.0));
+ handler.processSpecial("point 1, 10, 10");
+ handler.processSpecial("point 2, 100, 100");
+ handler.processSpecial("line 1v, 2h, 10bp"); // cut line ends horizontally
+ EXPECT_EQ(recorder.getPageXML(), "<page>\n<polygon fill='#0000ff' points='10,17.07 10,2.93 107.07,100 92.93,100'/>\n</page>");
+}
+
+
+TEST_F(EmSpecialTest, lineto) {
+ DPair p[] = {DPair(0,0), DPair(0,10), DPair(10,10), DPair(10,0)};
+ int n = sizeof(p)/sizeof(DPair);
+ recorder.setColor(Color(1.0, 0.0, 0.0));
+ for (int i=0; i <= n; i++) {
+ recorder.setX(p[i%n].x());
+ recorder.setY(p[i%n].y());
+ handler.processSpecial("linewidth "+XMLString(2*i)+"bp");
+ handler.processSpecial(i == 0 ? "moveto" : "lineto");
+ }
+ EXPECT_EQ(recorder.getPageXML(),
+ "<page>\n"
+ "<line stroke='#ff0000' stroke-width='2' x1='0' x2='10' y1='0' y2='0'/>\n"
+ "<line stroke='#ff0000' stroke-width='4' x1='10' x2='10' y1='0' y2='0'/>\n"
+ "<line stroke='#ff0000' stroke-width='6' x1='10' x2='0' y1='0' y2='0'/>\n"
+ "<line stroke='#ff0000' stroke-width='8' x1='0' x2='0' y1='0' y2='0'/>\n"
+ "</page>"
+ );
+}
+
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