summaryrefslogtreecommitdiffstats
path: root/src/svg/svg-length-test.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/svg/svg-length-test.h')
-rw-r--r--src/svg/svg-length-test.h206
1 files changed, 206 insertions, 0 deletions
diff --git a/src/svg/svg-length-test.h b/src/svg/svg-length-test.h
new file mode 100644
index 0000000..38f2046
--- /dev/null
+++ b/src/svg/svg-length-test.h
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#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;
+ };
+ struct testd_t {
+ char const* str; double val; int prec; int minexp;
+ };
+ 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 len;
+ TSM_ASSERT(absolute_tests[i].str , len.read(absolute_tests[i].str));
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.unit , absolute_tests[i].unit);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.value , absolute_tests[i].value);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.computed , absolute_tests[i].computed);
+ }
+ for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
+ SVGLength len;
+ TSM_ASSERT(relative_tests[i].str , len.read(relative_tests[i].str));
+ len.update(7,13,19);
+ TSM_ASSERT_EQUALS(relative_tests[i].str , len.unit , relative_tests[i].unit);
+ TSM_ASSERT_EQUALS(relative_tests[i].str , len.value , relative_tests[i].value);
+ TSM_ASSERT_EQUALS(relative_tests[i].str , len.computed , relative_tests[i].computed);
+ }
+ for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
+ SVGLength len;
+ TSM_ASSERT(fail_tests[i] , !len.read(fail_tests[i]));
+ }
+ }
+
+ void testReadOrUnset()
+ {
+ for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
+ SVGLength len;
+ len.readOrUnset(absolute_tests[i].str);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.unit , absolute_tests[i].unit);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.value , absolute_tests[i].value);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.computed , absolute_tests[i].computed);
+ }
+ 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);
+ TSM_ASSERT_EQUALS(relative_tests[i].str , len.unit , relative_tests[i].unit);
+ TSM_ASSERT_EQUALS(relative_tests[i].str , len.value , relative_tests[i].value);
+ TSM_ASSERT_EQUALS(relative_tests[i].str , len.computed , relative_tests[i].computed);
+ }
+ for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
+ SVGLength len;
+ len.readOrUnset(fail_tests[i], SVGLength::INCH, 123, 456);
+ TSM_ASSERT_EQUALS(fail_tests[i] , len.unit , SVGLength::INCH);
+ TSM_ASSERT_EQUALS(fail_tests[i] , len.value , 123);
+ TSM_ASSERT_EQUALS(fail_tests[i] , len.computed , 456);
+ }
+ }
+
+ void testReadAbsolute()
+ {
+ for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
+ SVGLength len;
+ TSM_ASSERT(absolute_tests[i].str , len.readAbsolute(absolute_tests[i].str));
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.unit , absolute_tests[i].unit);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.value , absolute_tests[i].value);
+ TSM_ASSERT_EQUALS(absolute_tests[i].str , len.computed , absolute_tests[i].computed);
+ }
+ for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
+ SVGLength len;
+ TSM_ASSERT(relative_tests[i].str , !len.readAbsolute(relative_tests[i].str));
+ }
+ for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
+ SVGLength len;
+ TSM_ASSERT(fail_tests[i] , !len.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) ) {
+ 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 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);
+ }
+ }
+ TSM_ASSERT_EQUALS(validStrings, validStrings.size(), 0u);
+ }
+
+ void testPlaces()
+ {
+ 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++ ) {
+ char buf[256] = {0};
+ memset(buf, 0xCC, sizeof(buf)); // Make it easy to detect an overrun.
+ unsigned int retval = sp_svg_number_write_de( buf, sizeof(buf), precTests[i].val, precTests[i].prec, precTests[i].minexp );
+ TSM_ASSERT_EQUALS("Number of chars written", retval, strlen(precTests[i].str));
+ TSM_ASSERT_EQUALS("Numeric string written", std::string(buf), std::string(precTests[i].str));
+ TSM_ASSERT_EQUALS(std::string("Buffer overrun ") + precTests[i].str, '\xCC', buf[retval + 1]);
+ }
+ }
+
+ // 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 , 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}};
+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:fileencoding=utf-8:textwidth=99 :
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-03 20:25:26 +0000