| public SetLength ( long value ) : void | ||
| value | long | /// Value. /// |
| return | void | |
public void SetLength() {
var mockedStream = new Mock<Stream>();
mockedStream.Setup(s => s.SetLength(It.IsAny<long>())).Callback<long>((l) => mockedStream.Setup(mock => mock.Length).Returns(l));
using (ProgressStream progress = new ProgressStream(mockedStream.Object)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs args) {
if (args.PropertyName == Utils.NameOf((ProgressStream s) => s.Length)) {
this.lengthCalls++;
}
};
progress.SetLength(100);
progress.SetLength(100);
Assert.AreEqual(1, this.lengthCalls);
Assert.That(progress.Length, Is.EqualTo(100));
}
}
public void Position() {
var mockedStream = new Mock<Stream>();
mockedStream.Setup(s => s.SetLength(It.IsAny<long>()));
mockedStream.SetupProperty(s => s.Position);
using (var underTest = new ProgressStream(mockedStream.Object)) {
underTest.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Length)) {
this.lengthCalls++;
}
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
this.positionCalls++;
}
};
underTest.SetLength(100);
Assert.AreEqual(1, this.lengthCalls);
Assert.AreEqual(0, this.positionCalls);
underTest.Position = 50;
underTest.Position = 50;
Assert.AreEqual(1, this.positionCalls);
underTest.Position = 55;
Assert.AreEqual(2, this.positionCalls);
Assert.AreEqual(1, this.lengthCalls);
}
}
public void SeekTest() {
using (var stream = new MemoryStream()) {
using (var progress = new ProgressStream(stream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
this.positionCalls++;
this.position = (long)p.Position;
this.percent = (double)p.Percent;
}
};
progress.SetLength(100);
progress.Seek(10, SeekOrigin.Begin);
Assert.AreEqual(10, this.position);
Assert.AreEqual(10, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(20, this.position);
Assert.AreEqual(20, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(30, this.position);
Assert.AreEqual(30, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(40, this.position);
Assert.AreEqual(40, this.percent);
progress.Seek(5, SeekOrigin.Current);
Assert.AreEqual(45, this.position);
Assert.AreEqual(45, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(55, this.position);
Assert.AreEqual(55, this.percent);
progress.SetLength(1000);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(65, this.position);
Assert.AreEqual(6.5, this.percent);
progress.Seek(0, SeekOrigin.End);
Assert.AreEqual(100, this.percent);
Assert.AreEqual(1000, this.position);
}
}
}
public void Write() {
using (var stream = new MemoryStream()) {
byte[] buffer = new byte[10];
using (var progress = new ProgressStream(stream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var t = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => t.Position)) {
this.positionCalls++;
this.position = (long)t.Position;
this.percent = (double)t.Percent.GetValueOrDefault();
}
};
progress.SetLength(buffer.Length * 10);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length, this.position);
Assert.AreEqual(10, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length * 2, this.position);
Assert.AreEqual(20, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length * 3, this.position);
Assert.AreEqual(30, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual(buffer.Length * 4, this.position);
Assert.AreEqual(40, this.percent);
progress.Write(buffer, 0, buffer.Length / 2);
Assert.AreEqual((buffer.Length * 4) + (buffer.Length / 2), this.position);
Assert.AreEqual(45, this.percent);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual((buffer.Length * 5) + (buffer.Length / 2), this.position);
Assert.AreEqual(55, this.percent);
progress.SetLength(buffer.Length * 100);
progress.Write(buffer, 0, buffer.Length);
Assert.AreEqual((buffer.Length * 6) + (buffer.Length / 2), this.position);
Assert.AreEqual(6.5, this.percent);
}
}
}