Add a test for radial gradients.

* This shows that the radius is ignored and all gradients are drwan with
a radius of 100.

src/tests/servers/app/Jamfile

@@ -235,6 +235,7 @@ SubInclude HAIKU_TOP src tests servers app event_mask ;
 SubInclude HAIKU_TOP src tests servers app find_view ;
 SubInclude HAIKU_TOP src tests servers app following ;
 SubInclude HAIKU_TOP src tests servers app font_spacing ;
+SubInclude HAIKU_TOP src tests servers app gradients ;
 SubInclude HAIKU_TOP src tests servers app hide_and_show ;
 SubInclude HAIKU_TOP src tests servers app idle_test ;
 SubInclude HAIKU_TOP src tests servers app lagging_get_mouse ;

src/tests/servers/app/gradients/Gradients.rdef

@@ -0,0 +1,17 @@
+
+resource app_signature "application/x-vnd.Haiku-Gradients";
+
+resource app_flags B_SINGLE_LAUNCH;
+
+resource app_version {
+	major  = 1,
+	middle = 0,
+	minor  = 0,
+
+	variety = B_APPV_ALPHA,
+	internal = 1,
+
+	short_info = "Gradients",
+	long_info = "Gradients ©2014 Haiku"
+};
+

src/tests/servers/app/gradients/Jamfile

@@ -0,0 +1,21 @@
+SubDir HAIKU_TOP src tests servers app gradients ;
+
+SetSubDirSupportedPlatformsBeOSCompatible ;
+AddSubDirSupportedPlatforms libbe_test ;
+
+UseHeaders [ FDirName os app ] ;
+UseHeaders [ FDirName os interface ] ;
+
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src tests servers app harness ] ;
+
+SimpleTest Gradients :
+	harness.cpp
+	main.cpp
+	: be $(TARGET_LIBSUPC++)
+	: Gradients.rdef
+	;
+
+if ( $(TARGET_PLATFORM) = libbe_test ) {
+	HaikuInstall install-test-apps : $(HAIKU_APP_TEST_DIR) : Gradients
+		: tests!apps ;
+}

src/tests/servers/app/gradients/main.cpp

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2014 Haiku, Inc.
+ * Distributed under the terms of the MIT license.
+ *
+ * Authors:
+ * Adrien Destugues <pulkomandy@pulkomandy.tk>
+ */
+
+
+#include <algorithm>
+#include <stdio.h>
+#include <string.h>
+
+#include <Application.h>
+#include <GradientRadial.h>
+#include <LayoutBuilder.h>
+#include <List.h>
+#include <Message.h>
+#include <PopUpMenu.h>
+#include <Roster.h>
+#include <ScrollView.h>
+#include <String.h>
+#include <StringView.h>
+#include <View.h>
+#include <Window.h>
+
+#include "harness.h"
+
+
+static const char* kAppSignature = "application/x-vnd.Haiku-Gradients";
+
+
+// #pragma mark - Test1
+
+
+class RadialGradientTest : public Test {
+public:
+	RadialGradientTest()
+		:
+		Test("Radial Gradient")
+	{
+	}
+	
+	virtual void Draw(BView* view, BRect updateRect)
+	{
+		// Draws two radial gradients with the same stops and different radiis,
+		// and their enclosing circles. The gradients and circles should have
+		// the same size.
+		BGradientRadial g1(100, 100, 50);
+		BGradientRadial g2(300, 100, 100);
+
+		g1.AddColor(make_color(0,0,0,255), 0);
+		g1.AddColor(make_color(255,255,255,255), 255);
+
+		g2.AddColor(make_color(0,0,0,255), 0);
+		g2.AddColor(make_color(255,255,255,255), 255);
+
+		BRect r1(0, 0, 200, 200);
+		BRect r2(200, 0, 400, 200);
+		view->FillRect(r1, g1);
+		view->FillRect(r2, g2);
+
+		r1.InsetBy(50, 50);
+		view->StrokeEllipse(r1);
+		view->StrokeEllipse(r2);
+	}
+};
+
+
+// #pragma mark -
+
+
+int
+main(int argc, char** argv)
+{
+	BApplication app(kAppSignature);
+
+	TestWindow* window = new TestWindow("Gradient tests");
+
+	window->AddTest(new RadialGradientTest());
+
+	window->SetToTest(0);
+	window->Show();
+
+	app.Run();
+	return 0;
+}