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#include <cxxtest/TestSuite.h>
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#include "svg/svg-length.h"
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// function internal to svg-length.cpp:
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gchar const *sp_svg_length_get_css_units(SVGLength::Unit unit);
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class SvgLengthTest : public CxxTest::TestSuite
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char const* str; SVGLength::Unit unit; float value; float computed;
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static test_t const absolute_tests[12];
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static test_t const relative_tests[3];
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static char const * fail_tests[8];
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// createSuite and destroySuite get us per-suite setup and teardown
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// without us having to worry about static initialization order, etc.
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static SvgLengthTest *createSuite() { return new SvgLengthTest(); }
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static void destroySuite( SvgLengthTest *suite ) { delete suite; }
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for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
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TSM_ASSERT(absolute_tests[i].str , l.read(absolute_tests[i].str));
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.unit , absolute_tests[i].unit);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.value , absolute_tests[i].value);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.computed , absolute_tests[i].computed);
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for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
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TSM_ASSERT(relative_tests[i].str , l.read(relative_tests[i].str));
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TSM_ASSERT_EQUALS(relative_tests[i].str , l.unit , relative_tests[i].unit);
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TSM_ASSERT_EQUALS(relative_tests[i].str , l.value , relative_tests[i].value);
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TSM_ASSERT_EQUALS(relative_tests[i].str , l.computed , relative_tests[i].computed);
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for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
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TSM_ASSERT(fail_tests[i] , !l.read(fail_tests[i]));
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void testReadOrUnset()
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for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
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l.readOrUnset(absolute_tests[i].str);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.unit , absolute_tests[i].unit);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.value , absolute_tests[i].value);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.computed , absolute_tests[i].computed);
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for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
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l.readOrUnset(relative_tests[i].str);
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TSM_ASSERT_EQUALS(relative_tests[i].str , l.unit , relative_tests[i].unit);
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TSM_ASSERT_EQUALS(relative_tests[i].str , l.value , relative_tests[i].value);
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TSM_ASSERT_EQUALS(relative_tests[i].str , l.computed , relative_tests[i].computed);
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for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
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l.readOrUnset(fail_tests[i], SVGLength::INCH, 123, 456);
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TSM_ASSERT_EQUALS(fail_tests[i] , l.unit , SVGLength::INCH);
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TSM_ASSERT_EQUALS(fail_tests[i] , l.value , 123);
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TSM_ASSERT_EQUALS(fail_tests[i] , l.computed , 456);
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void testReadAbsolute()
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for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
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TSM_ASSERT(absolute_tests[i].str , l.readAbsolute(absolute_tests[i].str));
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.unit , absolute_tests[i].unit);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.value , absolute_tests[i].value);
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TSM_ASSERT_EQUALS(absolute_tests[i].str , l.computed , absolute_tests[i].computed);
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for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
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TSM_ASSERT(relative_tests[i].str , !l.readAbsolute(relative_tests[i].str));
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for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
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TSM_ASSERT(fail_tests[i] , !l.readAbsolute(fail_tests[i]));
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void testEnumMappedToString()
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for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
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SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
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// PX is a special case where we don't have a unit string
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if ( (target != SVGLength::PX) && (target != SVGLength::FOOT) ) {
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gchar const* val = sp_svg_length_get_css_units(target);
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TSM_ASSERT_DIFFERS(i, val, "");
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// Ensure that all unit suffix strings used are allowed by SVG
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void testStringsAreValidSVG()
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gchar const* valid[] = {"", "em", "ex", "px", "pt", "pc", "cm", "mm", "in", "%"};
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std::set<std::string> validStrings(valid, valid + G_N_ELEMENTS(valid));
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for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
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SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
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gchar const* val = sp_svg_length_get_css_units(target);
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TSM_ASSERT(i, validStrings.find(std::string(val)) != validStrings.end());
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// Ensure that all unit suffix strings allowed by SVG are covered by enum
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void testValidSVGStringsSupported()
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// Note that "px" is ommitted from the list, as it will be assumed to be so if not explicitly set.
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gchar const* valid[] = {"em", "ex", "pt", "pc", "cm", "mm", "in", "%"};
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std::set<std::string> validStrings(valid, valid + G_N_ELEMENTS(valid));
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for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
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SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
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gchar const* val = sp_svg_length_get_css_units(target);
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std::set<std::string>::iterator iter = validStrings.find(std::string(val));
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if (iter != validStrings.end()) {
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validStrings.erase(iter);
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TSM_ASSERT_EQUALS(validStrings, validStrings.size(), 0u);
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SvgLengthTest::test_t const SvgLengthTest::absolute_tests[12] = {
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{"0", SVGLength::NONE, 0 , 0},
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{"1", SVGLength::NONE, 1 , 1},
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{"1.00001", SVGLength::NONE, 1.00001 , 1.00001},
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{"1px", SVGLength::PX , 1 , 1},
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{".1px", SVGLength::PX , 0.1 , 0.1},
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{"100pt", SVGLength::PT , 100 , 125},
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{"1e2pt", SVGLength::PT , 100 , 125},
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{"3pc", SVGLength::PC , 3 , 45},
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{"-3.5pc", SVGLength::PC , -3.5 , -3.5*15.},
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{"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?)
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{"123.45678cm", SVGLength::CM , 123.45678 , 123.45678*35.43307},
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{"73.162987in", SVGLength::INCH, 73.162987 , 73.162987*90}};
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SvgLengthTest::test_t const SvgLengthTest::relative_tests[3] = {
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{"123em", SVGLength::EM, 123, 123. * 7.},
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{"123ex", SVGLength::EX, 123, 123. * 13.},
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{"123%", SVGLength::PERCENT, 1.23, 1.23 * 19.}};
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char const * SvgLengthTest::fail_tests[8] = {
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c-file-style:"stroustrup"
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c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
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// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :