public void PurgeUnusedImages_Remove_Only_Unused_Keys_And_Notify()
{
var target = new XProject();
int count = 0;
target.PropertyChanged += (sender, e) =>
{
count++;
};
var key1 = XProject.ImageEntryNamePrefix + "image1.jpg";
var key2 = XProject.ImageEntryNamePrefix + "image2.jpg";
var key3 = XProject.ImageEntryNamePrefix + "image3.jpg";
target.AddImage(key1, new byte[] { });
target.AddImage(key2, new byte[] { });
target.AddImage(key3, new byte[] { });
var used = ImmutableHashSet.Create(key2);
target.PurgeUnusedImages(used);
Assert.Equal(key2, target.Keys.First().Key);
Assert.Equal(1, target.Keys.Count());
Assert.Equal(4, count);
}
public void PurgeUnusedImages_Remove_All_Keys_And_Notify()
{
var target = new XProject();
int count = 0;
target.PropertyChanged += (sender, e) =>
{
count++;
};
var key1 = XProject.ImageEntryNamePrefix + "image1.jpg";
var key2 = XProject.ImageEntryNamePrefix + "image2.jpg";
var key3 = XProject.ImageEntryNamePrefix + "image3.jpg";
target.AddImage(key1, new byte[] { });
target.AddImage(key2, new byte[] { });
target.AddImage(key3, new byte[] { });
var used = Enumerable.Empty <string>().ToImmutableHashSet();
target.PurgeUnusedImages(used);
Assert.Equal(0, target.Keys.Count());
Assert.Equal(4, count);
}
public void AddImage_Do_Not_Add_Duplicate()
{
var target = new XProject();
int count = 0;
target.PropertyChanged += (sender, e) =>
{
count++;
};
var key = XProject.ImageEntryNamePrefix + "image.jpg";
target.AddImage(key, new byte[] { });
target.AddImage(key, new byte[] { });
Assert.Equal(key, target.Keys.First().Key);
Assert.Equal(1, target.Keys.Count());
Assert.Equal(1, count);
}
public void GetImage_Returns_Byte_Array()
{
var project = new XProject();
var key = XProject.ImageEntryNamePrefix + "image.jpg";
var data = new byte[] { 0x12, 0x34, 0x56, 0x78 };
project.AddImage(key, data);
var target = project.GetImage(key);
Assert.Equal(data, target);
}
public void AddImage_Add_Key_And_Notify()
{
var target = new XProject();
string actual = null;
target.PropertyChanged += (sender, e) =>
{
actual = e.PropertyName;
};
var key = XProject.ImageEntryNamePrefix + "image.jpg";
target.AddImage(key, new byte[] { });
Assert.Equal(key, target.Keys.First().Key);
Assert.Equal(1, target.Keys.Count());
Assert.Equal("Keys", actual);
}
public void RemoveImage_Remove_Key_And_Notify()
{
var target = new XProject();
int count = 0;
target.PropertyChanged += (sender, e) =>
{
count++;
};
var key = XProject.ImageEntryNamePrefix + "image.jpg";
target.AddImage(key, new byte[] { });
target.RemoveImage(key);
Assert.Equal(0, target.Keys.Count());
Assert.Equal(2, count);
}