summaryrefslogtreecommitdiffstats
path: root/testfiles/src/svg-length-test.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'testfiles/src/svg-length-test.cpp')
-rw-r--r--testfiles/src/svg-length-test.cpp225
1 files changed, 225 insertions, 0 deletions
diff --git a/testfiles/src/svg-length-test.cpp b/testfiles/src/svg-length-test.cpp
new file mode 100644
index 0000000..3db293c
--- /dev/null
+++ b/testfiles/src/svg-length-test.cpp
@@ -0,0 +1,225 @@
+// 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 :
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 02:24:44 +0000