107 lines
4.1 KiB
C#
107 lines
4.1 KiB
C#
// 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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// Copyright (c) 2012 SIL International (http://sil.org)
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//
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// Authors:
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// Stephen McConnel (stephen_mcconnel@sil.org)
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//
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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using NUnit.Framework;
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namespace MonoTests.System.Windows.Forms
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{
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[TestFixture]
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public class ScreenTest
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{
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[TestFixtureSetUp]
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public void FixtureSetup ()
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{
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// If there is only one screen, then FromRectangle always returns that screen,
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// so this test would not test anything (and would fail on the second Assert
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// below).
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int screenCount = Screen.AllScreens.Length;
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if (screenCount == 1)
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Assert.Ignore ("These tests require at least 2 screens");
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}
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static Rectangle GetLowestScreenBounds ()
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{
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Rectangle lowestScreenBounds = new Rectangle (int.MaxValue, int.MaxValue, int.MaxValue, int.MaxValue);
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foreach (Screen scrn in Screen.AllScreens) {
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if (scrn.Bounds.X < lowestScreenBounds.X || scrn.Bounds.Y < lowestScreenBounds.Y)
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lowestScreenBounds = scrn.Bounds;
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}
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return lowestScreenBounds;
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}
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[Test]
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public void FromRectangleTest_ContainedWithinLowestScreen ()
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{
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var lowestScreenBounds = GetLowestScreenBounds ();
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// If a rectangle is contained within the lowest screen, then the lowest screen
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// should be found for that rectangle.
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Rectangle testRect1 = new Rectangle (lowestScreenBounds.X + lowestScreenBounds.Width / 4,
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lowestScreenBounds.Width / 2,
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lowestScreenBounds.Y + lowestScreenBounds.Height / 4,
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lowestScreenBounds.Height / 2);
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Screen scrn1 = Screen.FromRectangle (testRect1);
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Assert.AreEqual (lowestScreenBounds, scrn1.Bounds,
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"Wrong screen was found for rectangle contained in the first screen");
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}
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[Test]
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public void FromRectangleTest_SlightOverlapWithLowestScreen ()
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{
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var lowestScreenBounds = GetLowestScreenBounds ();
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// If a rectangle overlaps only slightly within the lowest screen, then the lowest screen
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// should not be found for that rectangle. (This is where the original implementation
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// fails.)
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Rectangle testRect2 = new Rectangle (lowestScreenBounds.X + lowestScreenBounds.Width - 15,
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lowestScreenBounds.Width / 2,
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lowestScreenBounds.Y + lowestScreenBounds.Height - 15,
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lowestScreenBounds.Height / 2);
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Screen scrn2 = Screen.FromRectangle (testRect2);
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Assert.AreNotEqual (lowestScreenBounds, scrn2.Bounds,
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"Wrong screen was found for rectangle slightly overlapping the first screen");
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}
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[Test]
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public void FromRectangleTest_MostlyOverlapWithLowestScreen ()
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{
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var lowestScreenBounds = GetLowestScreenBounds ();
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// If a rectangle overlaps mostly within the lowest screen, then the lowest screen
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// should be found for that rectangle.
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Rectangle testRect3 = new Rectangle (lowestScreenBounds.X + (lowestScreenBounds.Width / 2) + 15,
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lowestScreenBounds.Width / 2,
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lowestScreenBounds.Y + (lowestScreenBounds.Height / 2) + 15,
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lowestScreenBounds.Height / 2);
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Screen scrn3 = Screen.FromRectangle (testRect3);
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Assert.AreEqual (lowestScreenBounds, scrn3.Bounds,
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"Wrong screen was found for rectangle mostly overlapping the first screen");
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}
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}
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}
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