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Viewing changes to external/maccore/tests/bindings/ApiCtorInitTest.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/maccore/tests/bindings/ApiCtorInitTest.cs
 
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//
 
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// Test the generated API `init` selectors are usable by the binding consumers
 
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//
 
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// Authors:
 
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//      Sebastien Pouliot  <sebastien@xamarin.com>
 
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//
 
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// Copyright 2012-2013 Xamarin Inc.
 
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//
 
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// Licensed under the Apache License, Version 2.0 (the "License");
 
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// you may not use this file except in compliance with the License.
 
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// You may obtain a copy of the License at
 
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//
 
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//   http://www.apache.org/licenses/LICENSE-2.0
 
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//
 
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// Unless required by applicable law or agreed to in writing, software
 
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// distributed under the License is distributed on an "AS IS" BASIS,
 
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
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// See the License for the specific language governing permissions and
 
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// limitations under the License.
 
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//
 
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using System;
 
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using System.Reflection;
 
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using NUnit.Framework;
 
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#if MONOMAC
 
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using MonoMac.Foundation;
 
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#else
 
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using MonoTouch.Foundation;
 
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#endif
 
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namespace TouchUnit.Bindings {
 
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        public abstract class ApiCtorInitTest : ApiBaseTest {
 
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                string instance_type_name;
 
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                protected int Errors;
 
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                /// <summary>
 
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                /// Gets or sets a value indicating whether this test fixture will log untested types.
 
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                /// </summary>
 
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                /// <value><c>true</c> if log untested types; otherwise, <c>false</c>.</value>
 
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                public bool LogUntestedTypes { get; set; }
 
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                /// <summary>
 
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                /// Override this method if you want the test to skip some specific types.
 
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                /// By default types decorated with [Model] will be skipped.
 
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                /// </summary>
 
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                /// <param name="type">The Type to be tested</param>
 
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                protected virtual bool Skip (Type type)
 
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                {
 
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                        // skip delegate (and other protocol references)
 
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                        foreach (object ca in type.GetCustomAttributes (false)) {
 
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                                if (ca is ModelAttribute)
 
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                                        return true;
 
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                        }
 
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                        return false;
 
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                }
 
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                /// <summary>
 
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                /// Checks that the Handle property of the specified NSObject instance is not null (not IntPtr.Zero).
 
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                /// </summary>
 
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                /// <param name="obj">NSObject instance to validate</param>
 
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                protected virtual void CheckHandle (NSObject obj)
 
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                {
 
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                        bool result = obj.Handle != IntPtr.Zero;
 
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                        if (!ContinueOnFailure)
 
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                                Assert.IsTrue (result, instance_type_name + ".Handle");
 
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                        else if (!result) {
 
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                                Console.WriteLine ("[FAIL] {0} : Handle", instance_type_name);
 
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                                Errors++;
 
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                        }
 
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                }
 
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                /// <summary>
 
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                /// Checks that ToString does not return null (not helpful for debugging) and that it does not crash.
 
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                /// </summary>
 
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                /// <param name="obj">NSObject instance to validate</param>
 
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                protected virtual void CheckToString (NSObject obj)
 
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                {
 
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                        bool result = obj.ToString () != null;
 
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                        if (!ContinueOnFailure)
 
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                                Assert.IsTrue (result, instance_type_name + ".ToString");
 
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                        else if (!result) {
 
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                                Console.WriteLine ("[FAIL] {0} : ToString", instance_type_name);
 
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                                Errors++;
 
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                        }
 
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                }
 
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                /// <summary>
 
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                /// Dispose the specified NSObject instance. In some cases objects cannot be disposed safely.
 
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                /// Override this method to keep them alive while the remaining tests execute.
 
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                /// </summary>
 
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                /// <param name="obj">NSObject instance to dispose</param>
 
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                /// <param name="type">Type of the object, to be used if special logic is required.</param>
 
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                protected virtual void Dispose (NSObject obj, Type type)
 
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                {
 
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                        obj.Dispose ();
 
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                }
 
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                [Test]
 
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                public void DefaultCtorAllowed ()
 
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                {
 
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                        Errors = 0;
 
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                        int n = 0;
 
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                        foreach (Type t in Assembly.GetTypes ()) {
 
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                                if (t.IsAbstract || !NSObjectType.IsAssignableFrom (t))
 
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                                        continue;
 
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                                if (Skip (t) || SkipDueToAttribute (t))
 
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                                        continue;
 
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                                var ctor = t.GetConstructor (Type.EmptyTypes);
 
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                                if ((ctor == null) || ctor.IsAbstract) {
 
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                                        if (LogUntestedTypes)
 
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                                                Console.WriteLine ("[WARNING] {0} was skipped because it had no default constructor", t);
 
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                                        continue;
 
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                                }
 
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                                instance_type_name = t.FullName;
 
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                                if (LogProgress)
 
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                                                Console.WriteLine ("{0}. {1}", n, instance_type_name);
 
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                                NSObject obj = null;
 
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                                try {
 
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                                        obj = ctor.Invoke (null) as NSObject;
 
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                                        CheckHandle (obj);
 
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                                        CheckToString (obj);
 
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                                        Dispose (obj, t);
 
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                                }
 
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                                catch (TargetInvocationException tie) {
 
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                                        // Objective-C exception thrown
 
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                                        if (!ContinueOnFailure)
 
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                                                throw;
 
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                                        Console.WriteLine ("[FAIL] {0} : {1}", instance_type_name, tie.InnerException);
 
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                                        Errors++;
 
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                                }
 
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                                n++;
 
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                        }
 
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                        Assert.AreEqual (0, Errors, "{0} potential errors found in {1} default ctor validated", Errors, n);
 
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                }
 
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        }
 
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}