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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2010 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <cxxtest/TestSuite.h>
#include <cassert>
#include <cstdlib>
#include "preferences.h"
#include "svg/svg-color.h"
#include "svg/svg-icc-color.h"
class SVGColorTest : public CxxTest::TestSuite
{
struct simpleIccCase {
unsigned numEntries;
bool shouldPass;
char const* name;
char const* str;
};
public:
void check_rgb24(unsigned const rgb24)
{
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
char css[8];
prefs->setBool("/options/svgoutput/usenamedcolors", false);
sp_svg_write_color(css, sizeof(css), rgb24 << 8);
TS_ASSERT_EQUALS(sp_svg_read_color(css, 0xff),
rgb24 << 8);
prefs->setBool("/options/svgoutput/usenamedcolors", true);
sp_svg_write_color(css, sizeof(css), rgb24 << 8);
TS_ASSERT_EQUALS(sp_svg_read_color(css, 0xff),
rgb24 << 8);
}
// createSuite and destroySuite get us per-suite setup and teardown
// without us having to worry about static initialization order, etc.
static SVGColorTest *createSuite() { return new SVGColorTest(); }
static void destroySuite( SVGColorTest *suite ) { delete suite; }
void testWrite()
{
unsigned const components[] = {0, 0x80, 0xff, 0xc0, 0x77};
unsigned const nc = G_N_ELEMENTS(components);
for (unsigned i = nc*nc*nc; i--;) {
unsigned tmp = i;
unsigned rgb24 = 0;
for (unsigned c = 0; c < 3; ++c) {
unsigned const component = components[tmp % nc];
rgb24 = (rgb24 << 8) | component;
tmp /= nc;
}
assert( tmp == 0 );
check_rgb24(rgb24);
}
/* And a few completely random ones. */
for (unsigned i = 500; i--;) { /* Arbitrary number of iterations. */
unsigned const rgb24 = (std::rand() >> 4) & 0xffffff;
check_rgb24(rgb24);
}
}
void testReadColor()
{
gchar const* val[] = {"#f0f", "#ff00ff", "rgb(255,0,255)", "fuchsia"};
size_t const n = sizeof(val)/sizeof(*val);
for(size_t i=0; i<n; i++) {
gchar const* end = 0;
guint32 result = sp_svg_read_color( val[i], &end, 0x3 );
TS_ASSERT_EQUALS( result, 0xff00ff00 );
TS_ASSERT_LESS_THAN( val[i], end );
}
}
void testIccColor()
{
simpleIccCase cases[] = {
{1, true, "named", "icc-color(named, 3)"},
{0, false, "", "foodle"},
{1, true, "a", "icc-color(a, 3)"},
{4, true, "named", "icc-color(named, 3, 0, 0.1, 2.5)"},
{0, false, "", "icc-color(named, 3"},
{0, false, "", "icc-color(space named, 3)"},
{0, false, "", "icc-color(tab\tnamed, 3)"},
{0, false, "", "icc-color(0name, 3)"},
{0, false, "", "icc-color(-name, 3)"},
{1, true, "positive", "icc-color(positive, +3)"},
{1, true, "negative", "icc-color(negative, -3)"},
{1, true, "positive", "icc-color(positive, +0.1)"},
{1, true, "negative", "icc-color(negative, -0.1)"},
{0, false, "", "icc-color(named, value)"},
{1, true, "hyphen-name", "icc-color(hyphen-name, 1)"},
{1, true, "under_name", "icc-color(under_name, 1)"},
};
for ( size_t i = 0; i < G_N_ELEMENTS(cases); i++ ) {
SVGICCColor tmp;
gchar const* str = cases[i].str;
gchar const* result = 0;
std::string testDescr( cases[i].str );
bool parseRet = sp_svg_read_icc_color( str, &result, &tmp );
TSM_ASSERT_EQUALS( testDescr, parseRet, cases[i].shouldPass );
TSM_ASSERT_EQUALS( testDescr, tmp.colors.size(), cases[i].numEntries );
if ( cases[i].shouldPass ) {
TSM_ASSERT_DIFFERS( testDescr, str, result );
TSM_ASSERT_EQUALS( testDescr, tmp.colorProfile, std::string(cases[i].name) );
} else {
TSM_ASSERT_EQUALS( testDescr, str, result );
TSM_ASSERT( testDescr, tmp.colorProfile.empty() );
}
}
}
};
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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