1 files changed, 112 insertions, 0 deletions
diff --git a/testfiles/src/svg-color-test.cpp b/testfiles/src/svg-color-test.cpp
new file mode 100644
index 0000000..c4e9379
--- /dev/null
+++ b/testfiles/src/svg-color-test.cpp
@@ -0,0 +1,112 @@
+// 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-color.h"
+
+#include <cstdlib>
+#include <gtest/gtest.h>
+
+#include "preferences.h"
+#include "svg/svg-icc-color.h"
+
+static 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);
+    ASSERT_EQ(sp_svg_read_color(css, 0xff), rgb24 << 8);
+
+    prefs->setBool("/options/svgoutput/usenamedcolors", true);
+    sp_svg_write_color(css, sizeof(css), rgb24 << 8);
+    ASSERT_EQ(sp_svg_read_color(css, 0xff), rgb24 << 8);
+}
+
+TEST(SvgColorTest, 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_TRUE(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);
+    }
+}
+
+TEST(SvgColorTest, 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);
+        ASSERT_EQ(result, 0xff00ff00);
+        ASSERT_LT(val[i], end);
+    }
+}
+
+TEST(SvgColorTest, testIccColor)
+{
+    struct
+    {
+        unsigned numEntries;
+        bool shouldPass;
+        char const *name;
+        char const *str;
+    } 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;
+        char const *str = cases[i].str;
+        char const *result = nullptr;
+
+        bool parseRet = sp_svg_read_icc_color(str, &result, &tmp);
+        ASSERT_EQ(parseRet, cases[i].shouldPass) << str;
+        ASSERT_EQ(tmp.colors.size(), cases[i].numEntries) << str;
+        if (cases[i].shouldPass) {
+            ASSERT_STRNE(str, result);
+            ASSERT_EQ(tmp.colorProfile, cases[i].name) << str;
+        } else {
+            ASSERT_STREQ(str, result);
+            ASSERT_TRUE(tmp.colorProfile.empty());
+        }
+    }
+}
+
+// vim: filetype=cpp:expandtab:shiftwidth=4:softtabstop=4:fileencoding=utf-8:textwidth=99 :