public void AbortWriteIfAbortIsCalled() {
using (var inputStream = new MemoryStream(new byte[1024 * 1024 * 10]))
using (var stream = new Mock<MemoryStream>() { CallBase = true }.Object)
using (var underTest = new AbortableStream(stream)) {
underTest.Abort();
Assert.Throws<AbortException>(() => inputStream.CopyTo(underTest));
Mock.Get(stream).Verify(s => s.WriteByte(It.IsAny<byte>()), Times.Never());
Mock.Get(stream).Verify(s => s.Write(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>()), Times.Never());
}
}
public void AbortReadIfAbortIsCalled() {
byte[] content = new byte[1024];
using (var stream = new Mock<MemoryStream>(content) { CallBase = true }.Object)
using (var underTest = new AbortableStream(stream)) {
underTest.Abort();
Assert.Throws<AbortException>(() => underTest.ReadByte());
Mock.Get(stream).Verify(s => s.ReadByte(), Times.Never());
Mock.Get(stream).Verify(s => s.Read(It.IsAny<byte[]>(), It.IsAny<int>(), It.IsAny<int>()), Times.Never());
}
}
public void NotificationSendOutOnAbortion() {
bool notified = false;
byte[] content = new byte[1024];
using (var stream = new Mock<MemoryStream>(content) { CallBase = true }.Object)
using (var underTest = new AbortableStream(stream)) {
underTest.PropertyChanged += (object sender, System.ComponentModel.PropertyChangedEventArgs e) => {
Assert.That(e.PropertyName, Is.EqualTo(Utils.NameOf((AbortableStream s) => s.Exception)));
Assert.That(underTest.Exception, Is.Not.Null);
notified = true;
};
underTest.Abort();
Assert.Throws<AbortException>(() => underTest.ReadByte());
}
Assert.That(notified, Is.True);
}