92 строки
2.4 KiB
C#
92 строки
2.4 KiB
C#
//
|
|
// Unit tests for NSMutableData
|
|
//
|
|
// Authors:
|
|
// Sebastien Pouliot <sebastien@xamarin.com>
|
|
//
|
|
// Copyright 2013 Xamarin Inc. All rights reserved.
|
|
//
|
|
|
|
using System;
|
|
#if XAMCORE_2_0
|
|
using Foundation;
|
|
#if MONOMAC
|
|
using AppKit;
|
|
#else
|
|
using UIKit;
|
|
#endif
|
|
#else
|
|
using MonoTouch.Foundation;
|
|
using MonoTouch.UIKit;
|
|
#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.Foundation {
|
|
|
|
[TestFixture]
|
|
[Preserve (AllMembers = true)]
|
|
public class MutableDataTest {
|
|
|
|
[Test]
|
|
public void FromCapacity ()
|
|
{
|
|
Assert.Throws <ArgumentOutOfRangeException> (delegate {
|
|
NSMutableData.FromCapacity (-1);
|
|
}, "negative");
|
|
using (var empty = NSMutableData.FromCapacity (0)) {
|
|
Assert.That (empty.Length, Is.EqualTo ((nuint) 0), "Length");
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void FromLength ()
|
|
{
|
|
Assert.Throws <ArgumentOutOfRangeException> (delegate {
|
|
NSMutableData.FromLength (-1);
|
|
}, "negative");
|
|
using (var empty = NSMutableData.FromLength (0)) {
|
|
Assert.That (empty.Length, Is.EqualTo ((nuint) 0), "Length");
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void Constructor ()
|
|
{
|
|
// the bound constructor is for capacity (not length)
|
|
TestDelegate check_capacity = delegate {
|
|
uint capacity = (uint)Int32.MaxValue + 2;
|
|
Console.WriteLine ("Trying to allocate {0} bytes, this may cause malloc errors", capacity);
|
|
new NSMutableData (capacity).Dispose ();
|
|
};
|
|
|
|
if (IntPtr.Size == 4) {
|
|
Assert.Throws <ArgumentOutOfRangeException> (check_capacity, "negative");
|
|
} else {
|
|
// this can either fail with an Exception due to not enough memory to allocate 2GB (typical on device), or it can succeed (usually in the sim).
|
|
try {
|
|
check_capacity ();
|
|
// It worked, that's fine.
|
|
} catch (Exception ex) {
|
|
// Verify that the exception is an OOM (i.e. native code failed to init the object).
|
|
Assert.AreSame (typeof (Exception), ex.GetType (), "exception type");
|
|
Assert.That (ex.Message, Is.StringStarting ("Could not initialize an instance of the type 'Foundation.NSMutableData': the native 'initWithCapacity:' method returned nil."), "OOM");
|
|
}
|
|
}
|
|
|
|
using (var empty = new NSMutableData (0)) {
|
|
Assert.That (empty.Length, Is.EqualTo ((nuint) 0), "Length");
|
|
}
|
|
}
|
|
}
|
|
}
|