139 lines
4.2 KiB
C#
139 lines
4.2 KiB
C#
//
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// System.Drawing.RegionData unit tests
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//
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// Authors:
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Runtime.InteropServices;
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using System.Security.Permissions;
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using NUnit.Framework;
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namespace MonoTests.System.Drawing {
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[TestFixture]
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[SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
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public class RegionDataTest {
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private Bitmap bitmap;
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private Graphics graphic;
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private GraphicsPath sp1;
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private GraphicsPath sp2;
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[TestFixtureSetUp]
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public void FixtureSetUp ()
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{
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bitmap = new Bitmap (10, 10);
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graphic = Graphics.FromImage (bitmap);
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sp1 = new GraphicsPath ();
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sp1.AddPolygon (new Point[4] { new Point (0, 0), new Point (3, 0), new Point (3, 3), new Point (0, 3) });
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sp2 = new GraphicsPath ();
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sp2.AddPolygon (new Point[4] { new Point (2, 2), new Point (5, 2), new Point (5, 5), new Point (2, 5) });
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}
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[Test]
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[ExpectedException (typeof (NullReferenceException))]
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public void RegionData_Null ()
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{
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RegionData data = new Region ().GetRegionData ();
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data.Data = null;
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Assert.IsNull (data.Data, "Data");
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Region region = new Region (data);
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}
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[Test]
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public void RegionData_EmptyData ()
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{
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RegionData data = new Region ().GetRegionData ();
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data.Data = new byte[0];
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Assert.AreEqual (0, data.Data.Length, "Data");
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try {
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new Region (data);
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}
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catch (ExternalException) {
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// MS
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}
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catch (ArgumentException) {
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// Mono
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}
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}
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[Test]
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public void EmptyRegion ()
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{
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// note: an empty region is (for libgdiplus) a rectangular based region
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Region empty = new Region ();
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RegionData data = empty.GetRegionData ();
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Assert.IsNotNull (data.Data, "Data");
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Region region = new Region (data);
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}
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[Test]
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public void PathRegion ()
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{
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GraphicsPath path = new GraphicsPath ();
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path.AddCurve (new Point[2] { new Point (1, 1), new Point (2, 2) });
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Region r = new Region (path);
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RegionData data = r.GetRegionData ();
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Assert.IsNotNull (data.Data, "Data");
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Region region = new Region (data);
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Assert.IsTrue (r.GetBounds (graphic).Equals (region.GetBounds (graphic)), "Bounds");
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}
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[Test]
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public void CombinedPathRegion ()
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{
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// note: seems identical to PathRegion but it test another code path inside libgdiplus
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Region r = new Region (sp1);
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r.Xor (sp2);
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RegionData data = r.GetRegionData ();
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Assert.IsNotNull (data.Data, "Data");
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Region region = new Region (data);
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Assert.IsTrue (r.GetBounds (graphic).Equals (region.GetBounds (graphic)), "Bounds");
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}
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[Test]
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public void MultiCombinedPathRegion ()
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{
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// note: seems identical to PathRegion but it test another code path inside libgdiplus
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Region r1 = new Region (sp1);
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r1.Xor (sp2);
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Region r2 = new Region (sp2);
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r2.Complement (sp1);
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Region r = r1.Clone ();
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r.Union (r2);
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RegionData data = r.GetRegionData ();
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Assert.IsNotNull (data.Data, "Data");
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Region region = new Region (data);
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Assert.IsTrue (r.GetBounds (graphic).Equals (region.GetBounds (graphic)), "Bounds");
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}
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}
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}
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