xamarin-macios/tests/monotouch-test/CoreGraphics/ColorTest.cs

113 строки
3.2 KiB
C#

//
// Unit tests for CGColor
//
// Authors:
// Sebastien Pouliot <sebastien@xamarin.com>
//
// Copyright 2015 Xamarin Inc. All rights reserved.
//
using System;
using System.IO;
#if XAMCORE_2_0
using Foundation;
using ObjCRuntime;
using CoreGraphics;
#else
using MonoTouch;
using MonoTouch.CoreGraphics;
using MonoTouch.Foundation;
using MonoTouch.ObjCRuntime;
#endif
using NUnit.Framework;
#if XAMCORE_2_0
using RectangleF=CoreGraphics.CGRect;
using SizeF=CoreGraphics.CGSize;
using PointF=CoreGraphics.CGPoint;
#else
using nfloat=global::System.Single;
using nint=global::System.Int32;
using nuint=global::System.UInt32;
#endif
namespace MonoTouchFixtures.CoreGraphics {
[TestFixture]
[Preserve (AllMembers = true)]
public class ColorTest {
#if !XAMCORE_3_0 || MONOMAC
// those API are not availably (officially) in iOS according to Apple header files
// still they do work which makes them _private_ API that we should not expose
[Test]
public void GetConstantColor ()
{
// !unknown-pinvoke! CGColorGetConstantColor bound
// CGColorGetConstantColor -> CG_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_NA);
// constants to be used are not available either (and not bound)
// kCGColorWhite, kCGColorBlack and kCGColorClear
var lib = Dlfcn.dlopen (Constants.CoreGraphicsLibrary, 0);
var clear = Dlfcn.GetStringConstant (lib, "kCGColorClear"); // constant also marked as __IPHONE_NA
using (var c = new CGColor (clear)) {
Assert.That (c.Handle, Is.Not.EqualTo (IntPtr.Zero), "CGColorGetConstantColor");
}
}
[Test]
public void CreateGenericGray ()
{
// !unknown-pinvoke! CGColorCreateGenericGray bound
// CGColorCreateGenericGray -> CG_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_NA);
using (var c = new CGColor (0.5f, 0.5f)) {
Assert.That (c.Handle, Is.Not.EqualTo (IntPtr.Zero), "CGColorCreateGenericGray");
}
}
[Test]
public void CreateGenericRGB ()
{
// !unknown-pinvoke! CGColorCreateGenericRGB bound
// CGColorCreateGenericRGB -> CG_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_NA);
using (var c = new CGColor (0.5f, 0.5f, 0.5f, 0.5f)) {
Assert.That (c.Handle, Is.Not.EqualTo (IntPtr.Zero), "CGColorCreateGenericRGB");
}
}
[Test]
public void ColorSpace ()
{
using (var c = new CGColor (0.5f, 0.5f, 0.5f, 0.5f)) {
using (var spc = c.ColorSpace)
Assert.IsNotNull (spc, "ColorSpace");
}
}
#endif
[Test]
public void CreateSrgb ()
{
TestRuntime.AssertXcodeVersion (11, 0);
using (var c = CGColor.CreateSrgb (0.1f, 0.2f, 0.3f, 0.4f)) {
Assert.That (c.NumberOfComponents, Is.EqualTo (4), "NumberOfComponents");
Assert.That (c.Alpha, Is.InRange (0.4f, 0.40001f), "Alpha");
Assert.That (c.ColorSpace.Model, Is.EqualTo (CGColorSpaceModel.RGB), "CGColorSpaceModel");
}
}
[Test]
public void CreateGenericGrayGamma2_2 ()
{
TestRuntime.AssertXcodeVersion (11, 0);
using (var c = CGColor.CreateGenericGrayGamma2_2 (0.1f, 0.2f)) {
Assert.That (c.NumberOfComponents, Is.EqualTo (2), "NumberOfComponents");
Assert.That (c.Alpha, Is.InRange (0.2f, 0.20001f), "Alpha");
Assert.That (c.ColorSpace.Model, Is.EqualTo (CGColorSpaceModel.Monochrome), "CGColorSpaceModel");
}
}
}
}