Added Unit test to BColorModifier

Change-Id: I19aee93f68e5e01ef99f8447db4ffb1f68acaaa9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109853
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>

2 files changed, 189 insertions, 0 deletions

diff --git a/basegfx/CppunitTest_basegfx.mk b/basegfx/CppunitTest_basegfx.mk
index 231854cdf057..a0379e76612a 100644
--- a/basegfx/CppunitTest_basegfx.mk
+++ b/basegfx/CppunitTest_basegfx.mk
@@ -34,6 +34,7 @@ $(eval $(call gb_CppunitTest_add_exception_objects,basegfx,\
     basegfx/test/B2XRangeTest \
     basegfx/test/B2IBoxTest \
     basegfx/test/B2DTupleTest \
+    basegfx/test/BColorModifierTest \
     basegfx/test/BColorTest \
     basegfx/test/SvgPathImportExport \
     basegfx/test/basegfx3d \
diff --git a/basegfx/test/BColorModifierTest.cxx b/basegfx/test/BColorModifierTest.cxx
new file mode 100755
index 000000000000..2371542663dc
--- /dev/null
+++ b/basegfx/test/BColorModifierTest.cxx
@@ -0,0 +1,188 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <basegfx/color/bcolor.hxx>
+#include <basegfx/color/bcolormodifier.hxx>
+
+namespace basegfx
+{
+class bcolormodifier : public CppUnit::TestFixture
+{
+    BColor maWhite;
+    BColor maBlack;
+    BColor maRed;
+    BColor maGreen;
+    BColor maBlue;
+    BColor maYellow;
+    BColor maMagenta;
+    BColor maCyan;
+    BColor maGray;
+
+public:
+    bcolormodifier()
+        : maWhite(1, 1, 1)
+        , maBlack(0, 0, 0)
+        , maRed(1, 0, 0)
+        , maGreen(0, 1, 0)
+        , maBlue(0, 0, 1)
+        , maYellow(1, 1, 0)
+        , maMagenta(1, 0, 1)
+        , maCyan(0, 1, 1)
+        , maGray(.5, .5, .5)
+    {
+    }
+
+    void testGray()
+    {
+        const basegfx::BColorModifierSharedPtr aBColorModifier
+            = std::make_shared<basegfx::BColorModifier_gray>();
+
+        CPPUNIT_ASSERT_EQUAL(maWhite, aBColorModifier->getModifiedColor(maWhite));
+        CPPUNIT_ASSERT_EQUAL(maGray, aBColorModifier->getModifiedColor(maGray));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aBColorModifier->getModifiedColor(maBlack));
+
+        BColor aGrayedRed(77.0 / 256.0, 77.0 / 256.0, 77.0 / 256.0);
+        CPPUNIT_ASSERT_EQUAL(aGrayedRed, aBColorModifier->getModifiedColor(maRed));
+        BColor aGrayedGreen(151.0 / 256.0, 151.0 / 256.0, 151.0 / 256.0);
+        CPPUNIT_ASSERT_EQUAL(aGrayedGreen, aBColorModifier->getModifiedColor(maGreen));
+        BColor aGrayedBlue(28.0 / 256.0, 28.0 / 256.0, 28.0 / 256.0);
+        CPPUNIT_ASSERT_EQUAL(aGrayedBlue, aBColorModifier->getModifiedColor(maBlue));
+        // 77 + 151 = 228
+        BColor aGrayedYellow(228.0 / 256.0, 228.0 / 256.0, 228.0 / 256.0);
+        CPPUNIT_ASSERT_EQUAL(aGrayedYellow, aBColorModifier->getModifiedColor(maYellow));
+        // 77 + 28 = 105
+        BColor aGrayedMagenta(105.0 / 256.0, 105.0 / 256.0, 105.0 / 256.0);
+        CPPUNIT_ASSERT_EQUAL(aGrayedMagenta, aBColorModifier->getModifiedColor(maMagenta));
+        // 151 + 28 = 179
+        BColor aGrayedCyan(179.0 / 256.0, 179.0 / 256.0, 179.0 / 256.0);
+        CPPUNIT_ASSERT_EQUAL(aGrayedCyan, aBColorModifier->getModifiedColor(maCyan));
+
+        CPPUNIT_ASSERT(aBColorModifier->operator==(*aBColorModifier));
+        const basegfx::BColorModifierSharedPtr aBColorModifierInvert
+            = std::make_shared<basegfx::BColorModifier_invert>();
+        CPPUNIT_ASSERT(*aBColorModifier != *aBColorModifierInvert);
+
+        const basegfx::BColorModifierSharedPtr aBColorModifier2
+            = std::make_shared<basegfx::BColorModifier_gray>();
+        CPPUNIT_ASSERT(aBColorModifier->operator==(*aBColorModifier2));
+    }
+
+    void testInvert()
+    {
+        const basegfx::BColorModifierSharedPtr aBColorModifier
+            = std::make_shared<basegfx::BColorModifier_invert>();
+
+        CPPUNIT_ASSERT_EQUAL(maBlack, aBColorModifier->getModifiedColor(maWhite));
+        CPPUNIT_ASSERT_EQUAL(maGray, aBColorModifier->getModifiedColor(maGray));
+        CPPUNIT_ASSERT_EQUAL(maWhite, aBColorModifier->getModifiedColor(maBlack));
+        CPPUNIT_ASSERT_EQUAL(maRed, aBColorModifier->getModifiedColor(maCyan));
+        CPPUNIT_ASSERT_EQUAL(maCyan, aBColorModifier->getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maGreen, aBColorModifier->getModifiedColor(maMagenta));
+        CPPUNIT_ASSERT_EQUAL(maMagenta, aBColorModifier->getModifiedColor(maGreen));
+        CPPUNIT_ASSERT_EQUAL(maBlue, aBColorModifier->getModifiedColor(maYellow));
+        CPPUNIT_ASSERT_EQUAL(maYellow, aBColorModifier->getModifiedColor(maBlue));
+        CPPUNIT_ASSERT_EQUAL(BColor(.8, .7, .6),
+                             aBColorModifier->getModifiedColor(BColor(.2, .3, .4)));
+
+        CPPUNIT_ASSERT(aBColorModifier->operator==(*aBColorModifier));
+        const basegfx::BColorModifierSharedPtr aBColorModifierGray
+            = std::make_shared<basegfx::BColorModifier_gray>();
+        CPPUNIT_ASSERT(*aBColorModifier != *aBColorModifierGray);
+
+        const basegfx::BColorModifierSharedPtr aBColorModifier2
+            = std::make_shared<basegfx::BColorModifier_invert>();
+        CPPUNIT_ASSERT(aBColorModifier->operator==(*aBColorModifier2));
+    }
+
+    void testReplace()
+    {
+        const basegfx::BColorModifierSharedPtr aBColorModifierRed
+            = std::make_shared<basegfx::BColorModifier_replace>(maRed);
+        CPPUNIT_ASSERT_EQUAL(maRed, aBColorModifierRed->getModifiedColor(maCyan));
+        CPPUNIT_ASSERT_EQUAL(maRed, aBColorModifierRed->getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maRed, aBColorModifierRed->getModifiedColor(maMagenta));
+        CPPUNIT_ASSERT_EQUAL(maRed, aBColorModifierRed->getModifiedColor(maGreen));
+
+        const basegfx::BColorModifierSharedPtr aBColorModifierBlack
+            = std::make_shared<basegfx::BColorModifier_replace>(maBlack);
+
+        CPPUNIT_ASSERT_EQUAL(maBlack, aBColorModifierBlack->getModifiedColor(maCyan));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aBColorModifierBlack->getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aBColorModifierBlack->getModifiedColor(maMagenta));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aBColorModifierBlack->getModifiedColor(maGreen));
+
+        CPPUNIT_ASSERT(aBColorModifierRed->operator==(*aBColorModifierRed));
+        CPPUNIT_ASSERT(aBColorModifierBlack->operator==(*aBColorModifierBlack));
+        CPPUNIT_ASSERT(*aBColorModifierRed != *aBColorModifierBlack);
+
+        const basegfx::BColorModifierSharedPtr aBColorModifierGray
+            = std::make_shared<basegfx::BColorModifier_gray>();
+        CPPUNIT_ASSERT(*aBColorModifierRed != *aBColorModifierGray);
+    }
+
+    void testStack()
+    {
+        BColorModifierStack aStack1;
+        sal_uInt32 expected = 0;
+        CPPUNIT_ASSERT_EQUAL(expected, aStack1.count());
+        CPPUNIT_ASSERT_EQUAL(maRed, aStack1.getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maWhite, aStack1.getModifiedColor(maWhite));
+        CPPUNIT_ASSERT_EQUAL(maBlue, aStack1.getModifiedColor(maBlue));
+
+        aStack1.push(std::make_shared<basegfx::BColorModifier_invert>());
+        expected = 1;
+        CPPUNIT_ASSERT_EQUAL(expected, aStack1.count());
+        CPPUNIT_ASSERT_EQUAL(maCyan, aStack1.getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aStack1.getModifiedColor(maWhite));
+        CPPUNIT_ASSERT_EQUAL(maYellow, aStack1.getModifiedColor(maBlue));
+
+        aStack1.push(std::make_shared<basegfx::BColorModifier_gray>());
+        expected = 2;
+        CPPUNIT_ASSERT_EQUAL(expected, aStack1.count());
+        BColor aInvertedGrayedRed(1 - (77.0 / 256.0), 1 - (77.0 / 256.0), 1 - (77.0 / 256.0));
+        BColor aInvertedGrayedBlue(1 - (28.0 / 256.0), 1 - (28.0 / 256.0), 1 - (28.0 / 256.0));
+        CPPUNIT_ASSERT_EQUAL(aInvertedGrayedRed, aStack1.getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aStack1.getModifiedColor(maWhite));
+        CPPUNIT_ASSERT_EQUAL(aInvertedGrayedBlue, aStack1.getModifiedColor(maBlue));
+
+        aStack1.pop();
+        expected = 1;
+        CPPUNIT_ASSERT_EQUAL(expected, aStack1.count());
+        CPPUNIT_ASSERT_EQUAL(maCyan, aStack1.getModifiedColor(maRed));
+        CPPUNIT_ASSERT_EQUAL(maBlack, aStack1.getModifiedColor(maWhite));
+        CPPUNIT_ASSERT_EQUAL(maYellow, aStack1.getModifiedColor(maBlue));
+    }
+
+    CPPUNIT_TEST_SUITE(bcolormodifier);
+    CPPUNIT_TEST(testGray);
+    CPPUNIT_TEST(testInvert);
+    CPPUNIT_TEST(testReplace);
+    CPPUNIT_TEST(testStack);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+} // namespace basegfx
+
+CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::bcolormodifier);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */