public static bool ContentEquals(string path, Func <Stream> streamFactory)
{
using (Stream stream = streamFactory(),
fileStream = File.OpenRead(path))
{
return(StreamUtility.ContentEquals(stream, fileStream));
}
}
/// <summary>
/// Asynchronously determines if the contents of a file and stream are equal.
/// </summary>
/// <param name="path">The path to a file.</param>
/// <param name="streamTaskFactory">A stream task factory.</param>
/// <returns>A task that represents the asynchronous operation.
/// The task result (<see cref="Task{TResult}.Result" />) returns a <see cref="bool" />
/// which is <c>true</c> if contents are equal; otherwise, <c>false</c>.</returns>
/// <exception cref="ArgumentException">Thrown if <paramref name="path" /> is either
/// <c>null</c> or an empty string.</exception>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="streamTaskFactory" />
/// is <c>null</c>.</exception>
public static async Task <bool> ContentEqualsAsync(string path, Func <Task <Stream> > streamTaskFactory)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException(Strings.Argument_Cannot_Be_Null_Or_Empty, nameof(path));
}
if (streamTaskFactory == null)
{
throw new ArgumentNullException(nameof(streamTaskFactory));
}
using (Stream stream = await streamTaskFactory(),
fileStream = File.OpenRead(path))
{
return(StreamUtility.ContentEquals(stream, fileStream));
}
}
