| public Write ( byte buffer, int offset, int count ) : void | ||
| buffer | byte | /// Buffer. /// |
| offset | int | /// Offset. /// |
| count | int | /// Count. /// |
| return | void | |
public void ResumeTest() {
byte[] inputContent = new byte[100];
long offset = 100;
using (var stream = new MemoryStream(inputContent))
using (var offsetstream = new OffsetStream(stream, offset)) {
using (var progress = new ProgressStream(offsetstream)) {
progress.PropertyChanged += delegate(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
var p = sender as ProgressStream;
if (e.PropertyName == Utils.NameOf(() => p.Position)) {
this.position = (long)p.Position;
this.percent = p.Percent.GetValueOrDefault();
}
};
progress.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(offset, this.position);
Assert.AreEqual(50, this.percent);
progress.Seek(10, SeekOrigin.Current);
Assert.AreEqual(offset + 10, this.position);
progress.Seek(0, SeekOrigin.End);
Assert.AreEqual(100, this.percent);
Assert.AreEqual(offset + inputContent.Length, this.position);
progress.Seek(0, SeekOrigin.Begin);
progress.WriteByte(0);
Assert.AreEqual(offset + 1, this.position);
Assert.AreEqual(50.5, this.percent);
progress.WriteByte(0);
Assert.AreEqual(offset + 2, this.position);
Assert.AreEqual(51, this.percent);
progress.Write(new byte[10], 0, 10);
Assert.AreEqual(56, this.percent);
}
}
}
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);
}
}
}