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#include <cxxtest/TestSuite.h>
#include "svg/svg-length.h"
#include <glib.h>
#include <utility>
// function internal to svg-length.cpp:
gchar const *sp_svg_length_get_css_units(SVGLength::Unit unit);
class SvgLengthTest : public CxxTest::TestSuite
{
private:
struct test_t {
char const* str; SVGLength::Unit unit; float value; float computed;
};
static test_t const absolute_tests[12];
static test_t const relative_tests[3];
static char const * fail_tests[8];
public:
SvgLengthTest() {
}
// createSuite and destroySuite get us per-suite setup and teardown
// without us having to worry about static initialization order, etc.
static SvgLengthTest *createSuite() { return new SvgLengthTest(); }
static void destroySuite( SvgLengthTest *suite ) { delete suite; }
void testRead()
{
for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
SVGLength l;
TSM_ASSERT(absolute_tests[i].str , l.read(absolute_tests[i].str));
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.unit , absolute_tests[i].unit);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.value , absolute_tests[i].value);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.computed , absolute_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
SVGLength l;
TSM_ASSERT(relative_tests[i].str , l.read(relative_tests[i].str));
l.update(7,13,19);
TSM_ASSERT_EQUALS(relative_tests[i].str , l.unit , relative_tests[i].unit);
TSM_ASSERT_EQUALS(relative_tests[i].str , l.value , relative_tests[i].value);
TSM_ASSERT_EQUALS(relative_tests[i].str , l.computed , relative_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
SVGLength l;
TSM_ASSERT(fail_tests[i] , !l.read(fail_tests[i]));
}
}
void testReadOrUnset()
{
for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
SVGLength l;
l.readOrUnset(absolute_tests[i].str);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.unit , absolute_tests[i].unit);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.value , absolute_tests[i].value);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.computed , absolute_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
SVGLength l;
l.readOrUnset(relative_tests[i].str);
l.update(7,13,19);
TSM_ASSERT_EQUALS(relative_tests[i].str , l.unit , relative_tests[i].unit);
TSM_ASSERT_EQUALS(relative_tests[i].str , l.value , relative_tests[i].value);
TSM_ASSERT_EQUALS(relative_tests[i].str , l.computed , relative_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
SVGLength l;
l.readOrUnset(fail_tests[i], SVGLength::INCH, 123, 456);
TSM_ASSERT_EQUALS(fail_tests[i] , l.unit , SVGLength::INCH);
TSM_ASSERT_EQUALS(fail_tests[i] , l.value , 123);
TSM_ASSERT_EQUALS(fail_tests[i] , l.computed , 456);
}
}
void testReadAbsolute()
{
for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
SVGLength l;
TSM_ASSERT(absolute_tests[i].str , l.readAbsolute(absolute_tests[i].str));
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.unit , absolute_tests[i].unit);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.value , absolute_tests[i].value);
TSM_ASSERT_EQUALS(absolute_tests[i].str , l.computed , absolute_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
SVGLength l;
TSM_ASSERT(relative_tests[i].str , !l.readAbsolute(relative_tests[i].str));
}
for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
SVGLength l;
TSM_ASSERT(fail_tests[i] , !l.readAbsolute(fail_tests[i]));
}
}
void testEnumMappedToString()
{
for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
// PX is a special case where we don't have a unit string
if ( (target != SVGLength::PX) && (target != SVGLength::FOOT) ) {
gchar const* val = sp_svg_length_get_css_units(target);
TSM_ASSERT_DIFFERS(i, val, "");
}
}
}
// Ensure that all unit suffix strings used are allowed by SVG
void testStringsAreValidSVG()
{
gchar const* valid[] = {"", "em", "ex", "px", "pt", "pc", "cm", "mm", "in", "%"};
std::set<std::string> validStrings(valid, valid + G_N_ELEMENTS(valid));
for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
gchar const* val = sp_svg_length_get_css_units(target);
TSM_ASSERT(i, validStrings.find(std::string(val)) != validStrings.end());
}
}
// Ensure that all unit suffix strings allowed by SVG are covered by enum
void testValidSVGStringsSupported()
{
// Note that "px" is ommitted from the list, as it will be assumed to be so if not explicitly set.
gchar const* valid[] = {"em", "ex", "pt", "pc", "cm", "mm", "in", "%"};
std::set<std::string> validStrings(valid, valid + G_N_ELEMENTS(valid));
for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
gchar const* val = sp_svg_length_get_css_units(target);
std::set<std::string>::iterator iter = validStrings.find(std::string(val));
if (iter != validStrings.end()) {
validStrings.erase(iter);
}
}
TSM_ASSERT_EQUALS(validStrings, validStrings.size(), 0u);
}
// TODO: More tests
};
SvgLengthTest::test_t const SvgLengthTest::absolute_tests[12] = {
{"0", SVGLength::NONE, 0 , 0},
{"1", SVGLength::NONE, 1 , 1},
{"1.00001", SVGLength::NONE, 1.00001 , 1.00001},
{"1px", SVGLength::PX , 1 , 1},
{".1px", SVGLength::PX , 0.1 , 0.1},
{"100pt", SVGLength::PT , 100 , 125},
{"1e2pt", SVGLength::PT , 100 , 125},
{"3pc", SVGLength::PC , 3 , 45},
{"-3.5pc", SVGLength::PC , -3.5 , -3.5*15.},
{"1.2345678mm", SVGLength::MM , 1.2345678, 1.2345678*3.543307}, // TODO: More precise constants? (a 7 digit constant when the default precision is 8 digits?)
{"123.45678cm", SVGLength::CM , 123.45678 , 123.45678*35.43307},
{"73.162987in", SVGLength::INCH, 73.162987 , 73.162987*90}};
SvgLengthTest::test_t const SvgLengthTest::relative_tests[3] = {
{"123em", SVGLength::EM, 123, 123. * 7.},
{"123ex", SVGLength::EX, 123, 123. * 13.},
{"123%", SVGLength::PERCENT, 1.23, 1.23 * 19.}};
char const * SvgLengthTest::fail_tests[8] = {
"123 px",
"123e",
"123e+m",
"123ec",
"123pxt",
"--123",
"",
"px"};
/*
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:encoding=utf-8:textwidth=99 :
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