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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* Test for SVG colors
*//*
* Authors: see git history
*
* Copyright (C) 2010 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "svg/svg-length.h"
#include "svg/svg.h"
#include <glib.h>
#include <gtest/gtest.h>
#include <utility>
struct test_t
{
char const *str;
SVGLength::Unit unit;
float value;
float computed;
};
test_t absolute_tests[12] = {
// clang-format off
{"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 , 400.0/3.0},
{"1e2pt", SVGLength::PT , 100 , 400.0/3.0},
{"3pc", SVGLength::PC , 3 , 48},
{"-3.5pc", SVGLength::PC , -3.5 , -3.5*16.0},
{"1.2345678mm", SVGLength::MM , 1.2345678, 1.2345678f*96.0/25.4}, // TODO: More precise constants? (a 7 digit constant when the default precision is 8 digits?)
{"123.45678cm", SVGLength::CM , 123.45678 , 123.45678f*96.0/2.54}, // Note that svg_length_read is casting the result from g_ascii_strtod to float.
{"73.162987in", SVGLength::INCH, 73.162987 , 73.162987f*96.0/1.00}};
test_t relative_tests[3] = {
{"123em", SVGLength::EM, 123, 123. * 7.},
{"123ex", SVGLength::EX, 123, 123. * 13.},
{"123%", SVGLength::PERCENT, 1.23, 1.23 * 19.}};
const char* fail_tests[8] = {
"123 px",
"123e",
"123e+m",
"123ec",
"123pxt",
"--123",
"",
"px"};
// clang-format on
TEST(SvgLengthTest, testRead)
{
for (size_t i = 0; i < G_N_ELEMENTS(absolute_tests); i++) {
SVGLength len;
ASSERT_TRUE( len.read(absolute_tests[i].str)) << absolute_tests[i].str;
ASSERT_EQ( len.unit, absolute_tests[i].unit) << absolute_tests[i].str;
ASSERT_EQ( len.value, absolute_tests[i].value) << absolute_tests[i].str;
ASSERT_EQ( len.computed, absolute_tests[i].computed) << absolute_tests[i].str;
}
for (size_t i = 0; i < G_N_ELEMENTS(relative_tests); i++) {
SVGLength len;
ASSERT_TRUE( len.read(relative_tests[i].str)) << relative_tests[i].str;
len.update(7, 13, 19);
ASSERT_EQ( len.unit, relative_tests[i].unit) << relative_tests[i].str;
ASSERT_EQ( len.value, relative_tests[i].value) << relative_tests[i].str;
ASSERT_EQ( len.computed, relative_tests[i].computed) << relative_tests[i].str;
}
for (size_t i = 0; i < G_N_ELEMENTS(fail_tests); i++) {
SVGLength len;
ASSERT_TRUE( !len.read(fail_tests[i])) << fail_tests[i];
}
}
TEST(SvgLengthTest, testReadOrUnset)
{
for (size_t i = 0; i < G_N_ELEMENTS(absolute_tests); i++) {
SVGLength len;
len.readOrUnset(absolute_tests[i].str);
ASSERT_EQ( len.unit, absolute_tests[i].unit) << absolute_tests[i].str;
ASSERT_EQ( len.value, absolute_tests[i].value) << absolute_tests[i].str;
ASSERT_EQ( len.computed, absolute_tests[i].computed) << absolute_tests[i].str;
}
for (size_t i = 0; i < G_N_ELEMENTS(relative_tests); i++) {
SVGLength len;
len.readOrUnset(relative_tests[i].str);
len.update(7, 13, 19);
ASSERT_EQ( len.unit, relative_tests[i].unit) << relative_tests[i].str;
ASSERT_EQ( len.value, relative_tests[i].value) << relative_tests[i].str;
ASSERT_EQ( len.computed, relative_tests[i].computed) << relative_tests[i].str;
}
for (size_t i = 0; i < G_N_ELEMENTS(fail_tests); i++) {
SVGLength len;
len.readOrUnset(fail_tests[i], SVGLength::INCH, 123, 456);
ASSERT_EQ( len.unit, SVGLength::INCH) << fail_tests[i];
ASSERT_EQ( len.value, 123) << fail_tests[i];
ASSERT_EQ( len.computed, 456) << fail_tests[i];
}
}
TEST(SvgLengthTest, testReadAbsolute)
{
for (size_t i = 0; i < G_N_ELEMENTS(absolute_tests); i++) {
SVGLength len;
ASSERT_TRUE( len.readAbsolute(absolute_tests[i].str)) << absolute_tests[i].str;
ASSERT_EQ( len.unit, absolute_tests[i].unit) << absolute_tests[i].str;
ASSERT_EQ( len.value, absolute_tests[i].value) << absolute_tests[i].str;
ASSERT_EQ( len.computed, absolute_tests[i].computed) << absolute_tests[i].str;
}
for (size_t i = 0; i < G_N_ELEMENTS(relative_tests); i++) {
SVGLength len;
ASSERT_TRUE( !len.readAbsolute(relative_tests[i].str)) << relative_tests[i].str;
}
for (size_t i = 0; i < G_N_ELEMENTS(fail_tests); i++) {
SVGLength len;
ASSERT_TRUE( !len.readAbsolute(fail_tests[i])) << fail_tests[i];
}
}
TEST(SvgLengthTest, testToFromString)
{
SVGLength len;
ASSERT_TRUE(len.fromString("10", "mm"));
ASSERT_EQ(len.unit, SVGLength::MM);
ASSERT_EQ(len.value, 10);
ASSERT_EQ(len.toString("mm"), "10mm");
ASSERT_EQ(len.toString("in"), "0.3937008in");
}
struct eq_test_t
{
char const *a;
char const *b;
bool equal;
};
eq_test_t eq_tests[4] = {
{"", "", true},
{"1", "1", true},
{"10mm", "10mm", true},
{"20mm", "10mm", false},
};
TEST(SvgLengthTest, testEquality)
{
for (size_t i = 0; i < G_N_ELEMENTS(eq_tests); i++) {
SVGLength len_a;
SVGLength len_b;
len_a.read(eq_tests[i].a);
len_b.read(eq_tests[i].b);
if (eq_tests[i].equal) {
ASSERT_TRUE(len_a == len_b) << eq_tests[i].a << " == " << eq_tests[i].b;
} else {
ASSERT_TRUE(len_a != len_b) << eq_tests[i].a << " != " << eq_tests[i].b;
}
}
}
TEST(SvgLengthTest, 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)) {
gchar const *val = sp_svg_length_get_css_units(target);
ASSERT_NE(val, "") << i;
}
}
}
TEST(SvgLengthTest, 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);
ASSERT_TRUE( validStrings.find(std::string(val)) != validStrings.end()) << i;
}
}
TEST(SvgLengthTest, testValidSVGStringsSupported)
{
// Note that "px" is omitted 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);
}
}
ASSERT_EQ(validStrings.size(), 0u) << validStrings.size();
}
TEST(SvgLengthTest, testPlaces)
{
struct testd_t
{
char const *str;
double val;
int prec;
int minexp;
};
testd_t const precTests[] = {
{"760", 761.92918978947023, 2, -8},
{"761.9", 761.92918978947023, 4, -8},
};
for (size_t i = 0; i < G_N_ELEMENTS(precTests); i++) {
std::string buf;
buf.append(sp_svg_number_write_de(precTests[i].val, precTests[i].prec, precTests[i].minexp));
unsigned int retval = buf.length();
ASSERT_EQ( retval, strlen(precTests[i].str)) << "Number of chars written";
ASSERT_EQ( std::string(buf), std::string(precTests[i].str)) << "Numeric string written";
}
}
// TODO: More tests
// vim: filetype=cpp:expandtab:shiftwidth=4:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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