f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include <cxxtest/TestSuite.h>

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include "libnr/n-art-bpath.h"

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include "svg/svg.h"

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include "2geom/coord.h"

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include "prefs-utils.h"

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include "streq.h"

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include <string>

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include <vector>

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm#include <glib/gmem.h>

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrmclass SvgPathTest : public CxxTest::TestSuite

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm{

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrmprivate:

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm std::vector<std::string> rectanglesAbsoluteClosed;

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm std::vector<std::string> rectanglesRelativeClosed;

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm std::vector<std::string> rectanglesAbsoluteOpen;

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm std::vector<std::string> rectanglesRelativeOpen;

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen NArtBpath rectangleBpath[5+1];

364d9045bfd158352b8040721b3e2e2602e921eatheAdibpublic:

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm SvgPathTest() {

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm // Lots of ways to define the same rectangle

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteClosed.push_back("M 1,2 L 4,2 L 4,8 L 1,8 L 1,2 Z");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteClosed.push_back("M 1,2 L 4,2 L 4,8 L 1,8 z");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteClosed.push_back("M 1,2 4,2 4,8 1,8 z");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteClosed.push_back("M 1,2 H 4 V 8 H 1 z");

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen rectanglesRelativeClosed.push_back("m 1,2 l 3,0 l 0,6 l -3,0 z");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesRelativeClosed.push_back("m 1,2 3,0 0,6 -3,0 z");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesRelativeClosed.push_back("m 1,2 h 3 v 6 h -3 z");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteOpen.push_back("M 1,2 L 4,2 L 4,8 L 1,8 L 1,2");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteOpen.push_back("M 1,2 4,2 4,8 1,8 1,2");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesAbsoluteOpen.push_back("M 1,2 H 4 V 8 H 1 V 2");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesRelativeOpen.push_back("m 1,2 l 3,0 l 0,6 l -3,0 l 0,-6");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectanglesRelativeOpen.push_back("m 1,2 3,0 0,6 -3,0 0,-6");

62d835b4bbb0f1f046e30d9b67f8e9517cc6175cjohanengelen rectanglesRelativeOpen.push_back("m 1,2 h 3 v 6 h -3 v -6");

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectangleBpath[0].code = NR_MOVETO;

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen rectangleBpath[0].x3 = 1;

3cc77bbe681dd68bde92a2c4796cd5020aecb214johanengelen rectangleBpath[0].y3 = 2;

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen rectangleBpath[1].code = NR_LINETO;

c0cd5511d3b975ebe07d019c1f5528108725e438johanengelen rectangleBpath[1].x3 = 4;

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectangleBpath[1].y3 = 2;

94f2e710e9cc2e0eb14c8d73abfe77d60f961db2johanengelen rectangleBpath[2].code = NR_LINETO;

94f2e710e9cc2e0eb14c8d73abfe77d60f961db2johanengelen rectangleBpath[2].x3 = 4;

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectangleBpath[2].y3 = 8;

94f2e710e9cc2e0eb14c8d73abfe77d60f961db2johanengelen rectangleBpath[3].code = NR_LINETO;

9bddaf7172a6bb788ccae3ba5a30599d63acf424johanengelen rectangleBpath[3].x3 = 1;

94f2e710e9cc2e0eb14c8d73abfe77d60f961db2johanengelen rectangleBpath[3].y3 = 8;

94f2e710e9cc2e0eb14c8d73abfe77d60f961db2johanengelen rectangleBpath[4].code = NR_LINETO;

42e99769805c14a5cc01c805faa3c3b03f9dd1c0johanengelen rectangleBpath[4].x3 = 1;

d431763a9ec8059aa4962688de8144319969fb0fjohanengelen rectangleBpath[4].y3 = 2;

d431763a9ec8059aa4962688de8144319969fb0fjohanengelen rectangleBpath[5].code = NR_END;

c874d2ee5e49a890191f12deb8846ca099359e1ecilix // TODO: Also test some (smooth) cubic/quadratic beziers and elliptical arcs

fb5a72174252e0e79107dcad3bf5a2bbd73e349cjohanengelen }

d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm static SvgPathTest *createSuite() { return new SvgPathTest(); }

c776c7f3860f657ea9db62d62e9da98df09b0c70johanengelen static void destroySuite( SvgPathTest *suite ) { delete suite; }

c776c7f3860f657ea9db62d62e9da98df09b0c70johanengelen

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm void testReadRectanglesAbsoluteClosed()

390745fa4524b55aad12d5d2d656cd73e75a0bc0cilix {

390745fa4524b55aad12d5d2d656cd73e75a0bc0cilix rectangleBpath[0].code = NR_MOVETO;

390745fa4524b55aad12d5d2d656cd73e75a0bc0cilix for(size_t i=0; i<rectanglesAbsoluteClosed.size(); i++) {

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen NArtBpath * bpath = sp_svg_read_path(rectanglesAbsoluteClosed[i].c_str());

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen TS_ASSERT(bpathEqual(bpath,rectangleBpath));

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen g_free(bpath);

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen }

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen }

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen

1673045848db9654bcb07a81fad34afb4b0623d1johanengelen void testReadRectanglesRelativeClosed()

442e92e07cfe50f73dda0d06638025a65e23a956johanengelen {

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen rectangleBpath[0].code = NR_MOVETO;

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen for(size_t i=0; i<rectanglesRelativeClosed.size(); i++) {

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen NArtBpath * bpath = sp_svg_read_path(rectanglesRelativeClosed[i].c_str());

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen TS_ASSERT(bpathEqual(bpath,rectangleBpath));

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen g_free(bpath);

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen }

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen }

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen void testReadRectanglesAbsoluteOpen()

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen {

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm rectangleBpath[0].code = NR_MOVETO_OPEN;

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm for(size_t i=0; i<rectanglesAbsoluteOpen.size(); i++) {

539b02bd98b6985f91ccbf7041f88fdf93061531johanengelen NArtBpath * bpath = sp_svg_read_path(rectanglesAbsoluteOpen[i].c_str());

43f848b15ee40a6c108ae9d965cf06f055ecb7a5johanengelen TS_ASSERT(bpathEqual(bpath,rectangleBpath));

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm g_free(bpath);

c776c7f3860f657ea9db62d62e9da98df09b0c70johanengelen }

c776c7f3860f657ea9db62d62e9da98df09b0c70johanengelen }

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen void testReadRectanglesRelativeOpen()

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen {

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen rectangleBpath[0].code = NR_MOVETO_OPEN;

afb717c6e7d29c86c404b6627855c438d6dc2c0fjohanengelen for(size_t i=0; i<rectanglesRelativeOpen.size(); i++) {

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm NArtBpath * bpath = sp_svg_read_path(rectanglesRelativeOpen[i].c_str());

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm TS_ASSERT(bpathEqual(bpath,rectangleBpath));

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm g_free(bpath);

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm }

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm }

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm void testReadConcatenatedPaths()

f07bfd5a05d43a6d11f7cd442f085149092dea88pjrm {

NArtBpath bpath_good[4*5+1];

for(size_t i=0; i<4; i++) {

memcpy(bpath_good+i*5,rectangleBpath,sizeof(rectangleBpath[0])*5);

}

bpath_good[0*5].code = NR_MOVETO;

bpath_good[1*5].code = NR_MOVETO_OPEN;

bpath_good[2*5].code = NR_MOVETO;

bpath_good[3*5].code = NR_MOVETO_OPEN;

bpath_good[4*5].code = NR_END;

for(size_t i=0; i<5; i++) {

bpath_good[1*5+i].x3 += bpath_good[0*5+4].x3;

bpath_good[1*5+i].y3 += bpath_good[0*5+4].y3;

}

for(size_t i=0; i<5; i++) {

bpath_good[2*5+i].x3 += bpath_good[1*5+4].x3;

bpath_good[2*5+i].y3 += bpath_good[1*5+4].y3;

}

std::string path_str = rectanglesAbsoluteClosed[0] + rectanglesRelativeOpen[0] + rectanglesRelativeClosed[0] + rectanglesAbsoluteOpen[0];

NArtBpath * bpath = sp_svg_read_path(path_str.c_str());

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testReadZeroLengthSubpaths() {

// Per the SVG 1.1 specification (section F5) zero-length subpaths are relevant

NArtBpath bpath_good[8+1];

bpath_good[0].code = NR_MOVETO_OPEN;

bpath_good[0].x3 = bpath_good[0].y3 = 0;

bpath_good[1].code = NR_MOVETO_OPEN;

bpath_good[1].x3 = bpath_good[1].y3 = 1;

bpath_good[2].code = NR_LINETO;

bpath_good[2].x3 = bpath_good[2].y3 = 2;

bpath_good[3].code = NR_MOVETO;

bpath_good[3].x3 = bpath_good[3].y3 = 3;

bpath_good[4].code = NR_MOVETO;

bpath_good[4].x3 = bpath_good[4].y3 = 4;

bpath_good[5].code = NR_LINETO;

bpath_good[5].x3 = bpath_good[5].y3 = 5;

bpath_good[6].code = NR_LINETO;

bpath_good[6].x3 = bpath_good[6].y3 = 4;

bpath_good[7].code = NR_MOVETO_OPEN;

bpath_good[7].x3 = bpath_good[7].y3 = 6;

bpath_good[8].code = NR_END;

{ // Test absolute version

char const * path_str = "M 0,0 M 1,1 L 2,2 M 3,3 z M 4,4 L 5,5 z M 6,6";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

{ // Test relative version

char const * path_str = "m 0,0 m 1,1 l 1,1 m 1,1 z m 1,1 l 1,1 z m 2,2";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

}

void testReadImplicitMoveto() {

NArtBpath bpath_good[6+1];

bpath_good[0].code = NR_MOVETO;

bpath_good[0].x3 = bpath_good[0].y3 = 1;

bpath_good[1].code = NR_LINETO;

bpath_good[1].x3 = bpath_good[1].y3 = 2;

bpath_good[2].code = NR_LINETO;

bpath_good[2].x3 = bpath_good[2].y3 = 1;

bpath_good[3].code = NR_MOVETO;

bpath_good[3].x3 = bpath_good[3].y3 = 1;

bpath_good[4].code = NR_LINETO;

bpath_good[4].x3 = bpath_good[4].y3 = 3;

bpath_good[5].code = NR_LINETO;

bpath_good[5].x3 = bpath_good[5].y3 = 1;

bpath_good[6].code = NR_END;

{ // Test absolute version

char const * path_str = "M 1,1 L 2,2 z L 3,3 z";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

{ // Test relative version

char const * path_str = "M 1,1 L 2,2 z L 3,3 z";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

}

void testReadFloatingPoint() {

NArtBpath bpath_good[5+1];

bpath_good[0].code = NR_MOVETO;

bpath_good[0].x3 = .01;

bpath_good[0].y3 = .02;

bpath_good[1].code = NR_LINETO;

bpath_good[1].x3 = .04;

bpath_good[1].y3 = .02;

bpath_good[2].code = NR_LINETO;

bpath_good[2].x3 = 1.5;

bpath_good[2].y3 = 1.6;

bpath_good[3].code = NR_LINETO;

bpath_good[3].x3 = .01;

bpath_good[3].y3 = .08;

bpath_good[4].code = NR_LINETO;

bpath_good[4].x3 = .01;

bpath_good[4].y3 = .02;

bpath_good[5].code = NR_END;

{ // Test decimals

char const * path_str = "M .01,.02 L.04.02 L1.5,1.6L0.01,0.08 .01.02 z";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

{ // Test exponent

char const * path_str = "M 1e-2,.2e-1 L 0.004e1,0.0002e+2 L0150E-2,1.6e0L1.0e-2,80e-3 z";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

}

void testReadImplicitSeparation() {

// Coordinates need not be separated by whitespace if they can still be read unambiguously

NArtBpath bpath_good[5+1];

bpath_good[0].code = NR_MOVETO;

bpath_good[0].x3 = .1;

bpath_good[0].y3 = .2;

bpath_good[1].code = NR_LINETO;

bpath_good[1].x3 = .4;

bpath_good[1].y3 = .2;

bpath_good[2].code = NR_LINETO;

bpath_good[2].x3 = .4;

bpath_good[2].y3 = .8;

bpath_good[3].code = NR_LINETO;

bpath_good[3].x3 = .1;

bpath_good[3].y3 = .8;

bpath_good[4].code = NR_LINETO;

bpath_good[4].x3 = .1;

bpath_good[4].y3 = .2;

bpath_good[5].code = NR_END;

{ // Test absolute

char const * path_str = "M .1.2+0.4.2e0.4e0+8e-1.1.8 z";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

{ // Test relative

char const * path_str = "m .1.2+0.3.0e0.0e0+6e-1-.3.0 z";

NArtBpath * bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

}

void testReadErrorMisplacedCharacter() {

char const * path_str;

NArtBpath * bpath;

NArtBpath * bpath_good = rectangleBpath;

bpath_good[0].code = NR_MOVETO;

// Comma in the wrong place (commas may only appear between parameters)

path_str = "M 1,2 4,2 4,8 1,8 z , m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Comma in the wrong place (commas may only appear between parameters)

path_str = "M 1,2 4,2 4,8 1,8 z m,13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Period in the wrong place (no numbers after a 'z')

path_str = "M 1,2 4,2 4,8 1,8 z . m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Sign in the wrong place (no numbers after a 'z')

path_str = "M 1,2 4,2 4,8 1,8 z + - m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Digit in the wrong place (no numbers after a 'z')

path_str = "M 1,2 4,2 4,8 1,8 z 9809 m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Digit in the wrong place (no numbers after a 'z')

path_str = "M 1,2 4,2 4,8 1,8 z 9809 876 m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testReadErrorUnrecognizedCharacter() {

char const * path_str;

NArtBpath * bpath;

NArtBpath * bpath_good = rectangleBpath;

bpath_good[0].code = NR_MOVETO;

// Unrecognized character

path_str = "M 1,2 4,2 4,8 1,8 z&m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Unrecognized character

path_str = "M 1,2 4,2 4,8 1,8 z m &13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testReadErrorTypo() {

char const * path_str;

NArtBpath * bpath;

NArtBpath * bpath_good = rectangleBpath;

bpath_good[0].code = NR_MOVETO;

// Typo

path_str = "M 1,2 4,2 4,8 1,8 z j 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

bpath_good[0].code = NR_MOVETO_OPEN;

// Typo

path_str = "M 1,2 4,2 4,8 1,8 L 1,2 x m 13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testReadErrorIllformedNumbers() {

char const * path_str;

NArtBpath * bpath;

NArtBpath * bpath_good = rectangleBpath;

bpath_good[0].code = NR_MOVETO;

// Double exponent

path_str = "M 1,2 4,2 4,8 1,8 z m 13e4e5,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Double sign

path_str = "M 1,2 4,2 4,8 1,8 z m +-13,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Double sign

path_str = "M 1,2 4,2 4,8 1,8 z m 13e+-12,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// No digit

path_str = "M 1,2 4,2 4,8 1,8 z m .e12,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// No digit

path_str = "M 1,2 4,2 4,8 1,8 z m .,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// No digit

path_str = "M 1,2 4,2 4,8 1,8 z m +,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// No digit

path_str = "M 1,2 4,2 4,8 1,8 z m +.e+,15";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testReadErrorJunk() {

char const * path_str;

NArtBpath * bpath;

NArtBpath * bpath_good = rectangleBpath;

bpath_good[0].code = NR_MOVETO;

// Junk

path_str = "M 1,2 4,2 4,8 1,8 z j 357 hkjh.,34e34 90ih6kj4 h5k6vlh4N.,6,45wikuyi3yere..3487 m 13,23";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testReadErrorStopReading() {

char const * path_str;

NArtBpath * bpath;

NArtBpath * bpath_good = rectangleBpath;

bpath_good[0].code = NR_MOVETO;

// Unrecognized parameter

path_str = "M 1,2 4,2 4,8 1,8 z m #$%,23,34";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Invalid parameter

path_str = "M 1,2 4,2 4,8 1,8 z m #$%,23,34";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

// Illformed parameter

path_str = "M 1,2 4,2 4,8 1,8 z m +-12,23,34";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

bpath_good[0].code = NR_MOVETO_OPEN;

// "Third" parameter

path_str = "M 1,2 4,2 4,8 1,8 1,2,3 M 12,23";

bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,bpath_good));

g_free(bpath);

}

void testRoundTrip() {

// This is the easiest way to (also) test writing path data, as a path can be written in more than one way.

NArtBpath * bpath;

NArtBpath * new_bpath;

char * path_str;

// Rectangle (closed)

bpath = sp_svg_read_path(rectanglesAbsoluteClosed[0].c_str());

path_str = sp_svg_write_path(bpath);

new_bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,new_bpath));

g_free(bpath); g_free(path_str); g_free(new_bpath);

// Rectangle (open)

bpath = sp_svg_read_path(rectanglesAbsoluteOpen[0].c_str());

path_str = sp_svg_write_path(bpath);

new_bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,new_bpath));

g_free(bpath); g_free(path_str); g_free(new_bpath);

// Concatenated rectangles

bpath = sp_svg_read_path((rectanglesAbsoluteClosed[0] + rectanglesRelativeOpen[0] + rectanglesRelativeClosed[0] + rectanglesAbsoluteOpen[0]).c_str());

path_str = sp_svg_write_path(bpath);

new_bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,new_bpath));

g_free(bpath); g_free(path_str); g_free(new_bpath);

// Zero-length subpaths

bpath = sp_svg_read_path("M 0,0 M 1,1 L 2,2 M 3,3 z M 4,4 L 5,5 z M 6,6");

path_str = sp_svg_write_path(bpath);

new_bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath,new_bpath));

g_free(bpath); g_free(path_str); g_free(new_bpath);

// Floating-point

bpath = sp_svg_read_path("M .01,.02 L 0.04,0.02 L.04,.08L0.01,0.08 z""M 1e-2,.2e-1 L 0.004e1,0.0002e+2 L04E-2,.08e0L1.0e-2,80e-3 z");

path_str = sp_svg_write_path(bpath);

new_bpath = sp_svg_read_path(path_str);

TS_ASSERT(bpathEqual(bpath, new_bpath, 1e-17));

g_free(bpath); g_free(path_str); g_free(new_bpath);

}

void testMinexpPrecision() {

NArtBpath * bpath;

char * path_str;

// Default values

prefs_set_int_attribute("options.svgoutput", "allowrelativecoordinates", 1);

prefs_set_int_attribute("options.svgoutput", "forcerepeatcommands", 0);

prefs_set_int_attribute("options.svgoutput", "numericprecision", 8);

prefs_set_int_attribute("options.svgoutput", "minimumexponent", -8);

bpath = sp_svg_read_path("M 123456781,1.23456781e-8 L 123456782,1.23456782e-8 L 123456785,1.23456785e-8 L 10123456400,1.23456785e-8 L 123456789,1.23456789e-8 L 123456789,101.234564e-8 L 123456789,1.23456789e-8");

path_str = sp_svg_write_path(bpath);

TS_ASSERT_RELATION( streq_rel , "m 123456780,1.2345678e-8 0,0 10,1e-15 9999999210,0 -9999999210,0 0,9.99999921e-7 0,-9.99999921e-7" , path_str );

g_free(bpath); g_free(path_str);

}

private:

bool bpathEqual(NArtBpath const * a, NArtBpath const * b, double eps = 1e-16) {

while(a->code != NR_END && b->code == a->code) {

switch(a->code) {

case NR_MOVETO:

case NR_MOVETO_OPEN:

case NR_LINETO:

if (!Geom::are_near(a->x3,b->x3, eps) || !Geom::are_near(a->y3,b->y3, eps)) return false;

break;

case NR_CURVETO:

if (!Geom::are_near(a->x1,b->x1, eps) || !Geom::are_near(a->y1,b->y1, eps)) return false;

if (!Geom::are_near(a->x2,b->x2, eps) || !Geom::are_near(a->y2,b->y2, eps)) return false;

if (!Geom::are_near(a->x3,b->x3, eps) || !Geom::are_near(a->y3,b->y3, eps)) return false;

break;

default:

TS_FAIL("Unknown path code!");

}

a++;

b++;

}

return a->code == b->code;

}

};