Add auto tests for color filter bug

features/qskautotest.prf

@@ -0,0 +1,10 @@
+TEMPLATE     = app
+CONFIG      += qskinny qsktestsupport testcase
+
+QT          += testlib
+
+DEFINES     += QSK_DLL
+DESTDIR      = $$clean_path( $${OUT_PWD}/../bin )
+
+target.path    = $${QSK_INSTALL_AUTOTESTS}/bin
+INSTALLS       = target

features/qskconfig.pri

@@ -31,6 +31,7 @@ QSK_INSTALL_LIBS      = $${QSK_INSTALL_PREFIX}/lib
 QSK_INSTALL_BINS      = $${QSK_INSTALL_PREFIX}/bin
 QSK_INSTALL_PLUGINS   = $${QSK_INSTALL_PREFIX}/plugins
 QSK_INSTALL_EXAMPLES  = $${QSK_INSTALL_PREFIX}/examples
+QSK_INSTALL_AUTOTESTS = $${QSK_INSTALL_PREFIX}/tests
 
 CONFIG           += no_private_qt_headers_warning
 

qskinny.pro

@@ -8,7 +8,8 @@ SUBDIRS = \
     tools \
     support \
     examples \
-    playground
+    playground \
+    tests
 
 OTHER_FILES = \
     doc/Doxyfile \
@@ -25,3 +26,4 @@ tools.depends = src
 support.depends = src skins
 examples.depends = tools support skins qmlexport
 playground.depends = tools support skins qmlexport
+tests.depends = support

tests/graphic/graphic.pro

@@ -0,0 +1,3 @@
+TEMPLATE=subdirs
+SUBDIRS=\
+   qskcolorfilter \

tests/graphic/qskcolorfilter/qskcolorfilter.pro

@@ -0,0 +1,4 @@
+CONFIG += qskautotest
+
+TARGET = testQskColorFilter
+SOURCES  += testQskColorFilter.cpp

tests/graphic/qskcolorfilter/testQskColorFilter.cpp

@@ -0,0 +1,33 @@
+#include <QskColorFilter.h>
+
+#include <QBrush>
+#include <QTest>
+
+class TestQskColorFilter : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void substituteBrush();
+};
+
+void TestQskColorFilter::substituteBrush()
+{
+    QskColorFilter filter;
+    filter.addColorSubstitution( Qt::white, Qt::black );
+
+    QLinearGradient gradient;
+    QGradientStops originalStops( { { 0.0, Qt::white }, { 1.0, Qt::blue } } );
+    gradient.setStops( originalStops );
+
+    QBrush originalBrush( gradient );
+
+    auto newBrush = filter.substituted( originalBrush );
+    QGradientStops newStops( { { 0.0, Qt::black }, { 1.0, Qt::blue } } );
+
+    QVERIFY( originalBrush.gradient()->stops() == originalStops );
+    QVERIFY( newBrush.gradient()->stops() == newStops );
+}
+
+QTEST_GUILESS_MAIN( TestQskColorFilter )
+#include "testQskColorFilter.moc"

tests/tests.pro

@@ -0,0 +1,3 @@
+TEMPLATE=subdirs
+SUBDIRS=\
+   graphic \