tools: add AsRGBHexString to Color + unit test

AsRGBHexString returns the Color as a RGB hex string. For example
"00ff00" for green color.

Change-Id: Ia95c7f9eb6d9aefc3ca989046fa8d76b7b7f9e8f

1 files changed, 61 insertions, 0 deletions

diff --git a/tools/qa/cppunit/test_color.cxx b/tools/qa/cppunit/test_color.cxx
new file mode 100644
index 000000000000..6846fada04a4
--- /dev/null
+++ b/tools/qa/cppunit/test_color.cxx
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/types.h>
+#include "cppunit/TestAssert.h"
+#include "cppunit/TestFixture.h"
+#include "cppunit/extensions/HelperMacros.h"
+#include "cppunit/plugin/TestPlugIn.h"
+#include <tools/color.hxx>
+
+namespace
+{
+
+class Test: public CppUnit::TestFixture
+{
+public:
+    void test_asRGBColor();
+
+    CPPUNIT_TEST_SUITE(Test);
+    CPPUNIT_TEST(test_asRGBColor);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void Test::test_asRGBColor()
+{
+    Color aColor;
+    aColor = COL_BLACK;
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("000000"));
+
+    aColor = COL_WHITE;
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("ffffff"));
+
+    aColor = COL_RED;
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("800000"));
+
+    aColor = COL_TRANSPARENT;
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("ffffff"));
+
+    aColor = COL_BLUE;
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("000080"));
+
+    aColor.SetRed(0x12);
+    aColor.SetGreen(0x34);
+    aColor.SetBlue(0x56);
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("123456"));
+
+    aColor = COL_AUTO;
+    CPPUNIT_ASSERT_EQUAL(aColor.AsRGBHexString(), OUString("ffffff"));
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(Test);
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */