Added the find and cancel methods for iOS.

Also added the iOS NUnit project.
Case #1

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/AppDelegate.cs

@@ -0,0 +1,60 @@
+// ***********************************************************************
+// Copyright (c) 2015 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using Foundation;
+using UIKit;
+
+namespace SaturdayMP.XPlugins.Notifications.Tests.iOS
+{
+    // The UIApplicationDelegate for the application. This class is responsible for launching the 
+    // User Interface of the application, as well as listening (and optionally responding) to 
+    // application events from iOS.
+    [Register("AppDelegate")]
+    public class AppDelegate : Xamarin.Forms.Platform.iOS.FormsApplicationDelegate
+    {
+        //
+        // This method is invoked when the application has loaded and is ready to run. In this 
+        // method you should instantiate the window, load the UI into it and then make the window
+        // visible.
+        //
+        // You have 17 seconds to return from this method, or iOS will terminate your application.
+        //
+        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
+        {
+            Xamarin.Forms.Forms.Init();
+
+            // This will load all tests within the current project
+            var nunit = new NUnit.Runner.App();
+
+            // If you want to add tests in another assembly
+            //nunit.AddTestAssembly(typeof(MyTests).Assembly);
+
+            // Do you want to automatically run tests when the app starts?
+            nunit.AutoRun = true;
+
+            LoadApplication(nunit);
+
+            return base.FinishedLaunching(app, options);
+        }
+    }
+}

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/AppDelegate.cs.txt

@@ -0,0 +1,60 @@
+// ***********************************************************************
+// Copyright (c) 2015 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using Foundation;
+using UIKit;
+
+namespace SaturdayMP.XPlugins.Notifications.Tests.iOS
+{
+    // The UIApplicationDelegate for the application. This class is responsible for launching the 
+    // User Interface of the application, as well as listening (and optionally responding) to 
+    // application events from iOS.
+    [Register("AppDelegate")]
+    public partial class AppDelegate : global::Xamarin.Forms.Platform.iOS.FormsApplicationDelegate
+    {
+        //
+        // This method is invoked when the application has loaded and is ready to run. In this 
+        // method you should instantiate the window, load the UI into it and then make the window
+        // visible.
+        //
+        // You have 17 seconds to return from this method, or iOS will terminate your application.
+        //
+        public override bool FinishedLaunching(UIApplication app, NSDictionary options)
+        {
+            global::Xamarin.Forms.Forms.Init();            
+
+            // This will load all tests within the current project
+            var nunit = new NUnit.Runner.App();
+
+            // If you want to add tests in another assembly
+            //nunit.AddTestAssembly(typeof(MyTests).Assembly);
+
+            // Do you want to automatically run tests when the app starts?
+            nunit.AutoRun = true;
+
+            LoadApplication(nunit);
+
+            return base.FinishedLaunching(app, options);
+		}
+    }
+}

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/Entitlements.plist

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+</dict>
+</plist>
+

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/Info.plist

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>UIDeviceFamily</key>
+    <array>
+      <integer>1</integer>
+      <integer>2</integer>
+    </array>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+      <string>UIInterfaceOrientationPortrait</string>
+      <string>UIInterfaceOrientationLandscapeLeft</string>
+      <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
+    <key>UISupportedInterfaceOrientations~ipad</key>
+    <array>
+      <string>UIInterfaceOrientationPortrait</string>
+      <string>UIInterfaceOrientationPortraitUpsideDown</string>
+      <string>UIInterfaceOrientationLandscapeLeft</string>
+      <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
+    <key>MinimumOSVersion</key>
+    <string>6.0</string>
+    <key>CFBundleDisplayName</key>
+    <string>NUnit</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.yourcompany.nunit.tests</string>
+    <key>CFBundleVersion</key>
+    <string>1.0</string>
+    <key>CFBundleIconFiles</key>
+    <array>
+      <string>Icon-60@2x</string>
+      <string>Icon-60@3x</string>
+      <string>Icon-76</string>
+      <string>Icon-76@2x</string>
+      <string>Default</string>
+      <string>Default@2x</string>
+      <string>Default-568h@2x</string>
+      <string>Default-Portrait</string>
+      <string>Default-Portrait@2x</string>
+      <string>Icon-Small-40</string>
+      <string>Icon-Small-40@2x</string>
+      <string>Icon-Small-40@3x</string>
+      <string>Icon-Small</string>
+      <string>Icon-Small@2x</string>
+      <string>Icon-Small@3x</string>
+    </array>
+    <key>UILaunchStoryboardName</key>
+    <string>LaunchScreen</string>
+  </dict>
+</plist>

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/Main.cs

@@ -0,0 +1,38 @@
+// ***********************************************************************
+// Copyright (c) 2015 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using UIKit;
+
+namespace SaturdayMP.XPlugins.Notifications.Tests.iOS
+{
+    public class Application
+    {
+        // This is the main entry point of the application.
+        static void Main(string[] args)
+        {
+            // if you want to use a different Application Delegate class from "AppDelegate"
+            // you can specify it here.
+            UIApplication.Main(args, null, "AppDelegate");
+        }
+    }
+}

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/NotificationSchedulerTests/CancelTests.cs

@@ -0,0 +1,37 @@
+using System;
+using NUnit.Framework;
+
+namespace SaturdayMP.XPlugins.Notifications.Tests.iOS.NotificationSchedulerTests
+{
+    [TestFixture]
+    internal class CancelTests
+    {
+        /// <summary>
+        ///     Make sure a notification that exists is canceled.
+        /// </summary>
+        [Test]
+        public void NotificationCanceled()
+        {
+            // Schedule a notifiaction.
+            var scheduler = new Notifications.iOS.NotificationScheduler();
+            var notificationId = scheduler.Create("Test Notification", "Test notification message.", DateTime.Now.AddHours(1));
+
+            // Cancel it.
+            scheduler.Cancel(notificationId);
+
+            // Try to find it.  Shouldn't find it because it has been cancelled.
+            Assert.That(() => scheduler.Find(notificationId), Is.Null);
+        }
+
+        /// <summary>
+        ///     Shouldn't throw any errors.  A notification that does
+        ///     not exist is already canceled.
+        /// </summary>
+        [Test]
+        public void NotificationDoesNotExist()
+        {
+            var scheduler = new Notifications.iOS.NotificationScheduler();
+            scheduler.Cancel(new Guid());
+        }
+    }
+}

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/NotificationSchedulerTests/FindTests.cs

@@ -0,0 +1,44 @@
+using System;
+using NUnit.Framework;
+using UIKit;
+
+namespace SaturdayMP.XPlugins.Notifications.Tests.iOS.NotificationSchedulerTests
+{
+    /// <summary>
+    ///     Tests to make sure notifications can be found.
+    /// </summary>
+    [TestFixture]
+    internal class FindTests
+    {
+        /// <summary>
+        ///     Should return null if a notification is not found.
+        /// </summary>
+        [Test]
+        public void NotificationDoesNotExist()
+        {
+            var scheduler = new Notifications.iOS.NotificationScheduler();
+            Assert.That(() =>  scheduler.Find(new Guid()), Is.Null);
+        }
+
+        /// <summary>
+        ///     Should find a created notification.
+        /// </summary>
+        [Test]
+        public void NotificationExists()
+        {
+            // Create the notifiaction to find.
+            const string expectedNotificationTitle = "Test Notification";
+            const string expectedNotificationMessage = "This is a test notification.";
+
+            var scheduler = new Notifications.iOS.NotificationScheduler();
+            var expectedNotificationId = scheduler.Create(expectedNotificationTitle, expectedNotificationMessage, DateTime.Now.AddHours(1));
+
+            // Try to find it.
+            var resultNotification = scheduler.Find(expectedNotificationId);
+
+            Assert.That(resultNotification, Is.Not.Null);
+            Assert.That(resultNotification.Title, Is.EqualTo(expectedNotificationTitle));
+            Assert.That(resultNotification.Message, Is.EqualTo(expectedNotificationMessage));
+        }
+    }
+}

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/Properties/AssemblyInfo.cs

@@ -0,0 +1,39 @@
+// Copyright (c) 2015 Charlie Poole
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// ***********************************************************************
+
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+[assembly: AssemblyTitle("SaturdayMP.XPlugins.Notifications.Tests.iOS")]
+[assembly: AssemblyDescription("NUnit Test Runner for iOS")]
+
+[assembly: AssemblyCompany("NUnit Software")]
+[assembly: AssemblyProduct("NUnit 3.0")]
+[assembly: AssemblyCopyright("Copyright (C) 2015 Charlie Poole")]
+[assembly: AssemblyTrademark("NUnit is a trademark of NUnit Software")]
+[assembly: AssemblyCulture("")]
+[assembly: AssemblyConfiguration("")]
+
+[assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
+
+[assembly: ComVisible(false)]

Source/SaturdayMP.XPlugins.Notifications.Tests.iOS/Resources/LaunchScreen.storyboard

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6245" systemVersion="13F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="X5k-f2-b5h">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6238"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="gAE-YM-kbH">
+            <objects>
+                <viewController id="X5k-f2-b5h" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Y8P-hJ-Z43"/>
+                        <viewControllerLayoutGuide type="bottom" id="9ZL-r4-8FZ"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="yd7-JS-zBw">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView userInteractionEnabled="NO" contentMode="scaleToFill" misplaced="YES" image="Icon-60.png" translatesAutoresizingMaskIntoConstraints="NO" id="23">
+                                <rect key="frame" x="270" y="270" width="60" height="60"/>
+                                <rect key="contentStretch" x="0.0" y="0.0" width="0.0" height="0.0"/>
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="0.20392156862745098" green="0.59607843137254901" blue="0.85882352941176465" alpha="1" colorSpace="calibratedRGB"/>
+                        <constraints>
+                            <constraint firstItem="23" firstAttribute="centerY" secondItem="yd7-JS-zBw" secondAttribute="centerY" priority="1" id="39"/>
+                            <constraint firstItem="23" firstAttribute="centerX" secondItem="yd7-JS-zBw" secondAttribute="centerX" priority="1" id="41"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="XAI-xm-WK6" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="349" y="339"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="Icon-60.png" width="180" height="180"/>
+    </resources>
+</document>