1 files changed, 134 insertions, 0 deletions
diff --git a/src/svg/svg-color-test.h b/src/svg/svg-color-test.h
new file mode 100644
index 0000000..b1723cb
--- /dev/null
+++ b/src/svg/svg-color-test.h
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2010 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#include <cxxtest/TestSuite.h>
+#include <cassert>
+#include <cstdlib>
+
+#include "preferences.h"
+#include "svg/svg-color.h"
+#include "svg/svg-icc-color.h"
+
+class SVGColorTest : public CxxTest::TestSuite
+{
+    struct simpleIccCase {
+        unsigned numEntries;
+        bool shouldPass;
+        char const* name;
+        char const* str;
+    };
+
+public:
+    void check_rgb24(unsigned const rgb24)
+    {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        char css[8];
+        prefs->setBool("/options/svgoutput/usenamedcolors", false);
+        sp_svg_write_color(css, sizeof(css), rgb24 << 8);
+        TS_ASSERT_EQUALS(sp_svg_read_color(css, 0xff),
+                         rgb24 << 8);
+        prefs->setBool("/options/svgoutput/usenamedcolors", true);
+        sp_svg_write_color(css, sizeof(css), rgb24 << 8);
+        TS_ASSERT_EQUALS(sp_svg_read_color(css, 0xff),
+                         rgb24 << 8);
+    }
+
+// createSuite and destroySuite get us per-suite setup and teardown
+// without us having to worry about static initialization order, etc.
+    static SVGColorTest *createSuite() { return new SVGColorTest(); }
+    static void destroySuite( SVGColorTest *suite ) { delete suite; }
+
+    void testWrite()
+    {
+        unsigned const components[] = {0, 0x80, 0xff, 0xc0, 0x77};
+        unsigned const nc = G_N_ELEMENTS(components);
+        for (unsigned i = nc*nc*nc; i--;) {
+            unsigned tmp = i;
+            unsigned rgb24 = 0;
+            for (unsigned c = 0; c < 3; ++c) {
+                unsigned const component = components[tmp % nc];
+                rgb24 = (rgb24 << 8) | component;
+                tmp /= nc;
+            }
+            assert( tmp == 0 );
+            check_rgb24(rgb24);
+        }
+
+        /* And a few completely random ones. */
+        for (unsigned i = 500; i--;) {  /* Arbitrary number of iterations. */
+            unsigned const rgb24 = (std::rand() >> 4) & 0xffffff;
+            check_rgb24(rgb24);
+        }
+    }
+
+    void testReadColor()
+    {
+        gchar const* val[] = {"#f0f", "#ff00ff", "rgb(255,0,255)", "fuchsia"};
+        size_t const n = sizeof(val)/sizeof(*val);
+        for(size_t i=0; i<n; i++) {
+            gchar const* end = 0;
+            guint32 result = sp_svg_read_color( val[i], &end, 0x3 );
+            TS_ASSERT_EQUALS( result, 0xff00ff00 );
+            TS_ASSERT_LESS_THAN( val[i], end );
+        }
+    }
+
+    void testIccColor()
+    {
+        simpleIccCase cases[] = {
+            {1, true, "named", "icc-color(named, 3)"},
+            {0, false, "", "foodle"},
+            {1, true, "a", "icc-color(a, 3)"},
+            {4, true, "named", "icc-color(named, 3, 0, 0.1, 2.5)"},
+            {0, false, "", "icc-color(named, 3"},
+            {0, false, "", "icc-color(space named, 3)"},
+            {0, false, "", "icc-color(tab\tnamed, 3)"},
+            {0, false, "", "icc-color(0name, 3)"},
+            {0, false, "", "icc-color(-name, 3)"},
+            {1, true, "positive", "icc-color(positive, +3)"},
+            {1, true, "negative", "icc-color(negative, -3)"},
+            {1, true, "positive", "icc-color(positive, +0.1)"},
+            {1, true, "negative", "icc-color(negative, -0.1)"},
+            {0, false, "", "icc-color(named, value)"},
+            {1, true, "hyphen-name", "icc-color(hyphen-name, 1)"},
+            {1, true, "under_name", "icc-color(under_name, 1)"},
+        };
+
+        for ( size_t i = 0; i < G_N_ELEMENTS(cases); i++ ) {
+            SVGICCColor tmp;
+            gchar const* str = cases[i].str;
+            gchar const* result = 0;
+
+            std::string testDescr( cases[i].str );
+
+            bool parseRet = sp_svg_read_icc_color( str, &result, &tmp );
+            TSM_ASSERT_EQUALS( testDescr, parseRet, cases[i].shouldPass );
+            TSM_ASSERT_EQUALS( testDescr, tmp.colors.size(), cases[i].numEntries );
+            if ( cases[i].shouldPass ) {
+                TSM_ASSERT_DIFFERS( testDescr, str, result );
+                TSM_ASSERT_EQUALS( testDescr, tmp.colorProfile, std::string(cases[i].name) );
+            } else {
+                TSM_ASSERT_EQUALS( testDescr, str, result );
+                TSM_ASSERT( testDescr, tmp.colorProfile.empty() );
+            }
+        }
+    }
+
+};
+
+/*
+  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 :