public void ContentLength_SetCustomValue_TryComputeLengthNotInvoked()
{
_headers = new HttpContentHeaders(new ComputeLengthHttpContent(() => { throw new ShouldNotBeInvokedException(); }));
_headers.ContentLength = 27;
Assert.Equal((long)27, _headers.ContentLength);
Assert.Equal((long)27, _headers.GetParsedValues(HttpKnownHeaderNames.ContentLength));
// After explicitly setting the content length, set it to null.
_headers.ContentLength = null;
Assert.Equal(null, _headers.ContentLength);
Assert.False(_headers.Contains(HttpKnownHeaderNames.ContentLength));
// Make sure the header gets serialized correctly
_headers.ContentLength = 12345;
Assert.Equal("12345", _headers.GetValues("Content-Length").First());
}
public void ContentLength_SetCustomValue_DelegateNotInvoked()
{
_headers = new HttpContentHeaders(() => { Assert.True(false, "Delegate called."); return 0; });
_headers.ContentLength = 27;
Assert.Equal((long)27, _headers.ContentLength);
Assert.Equal((long)27, _headers.GetParsedValues(HttpKnownHeaderNames.ContentLength));
// After explicitly setting the content length, set it to null.
_headers.ContentLength = null;
Assert.Equal(null, _headers.ContentLength);
Assert.False(_headers.Contains(HttpKnownHeaderNames.ContentLength));
// Make sure the header gets serialized correctly
_headers.ContentLength = 12345;
Assert.Equal("12345", _headers.GetValues("Content-Length").First());
}
/// <summary>Copies all headers from the source to the target.</summary>
/// <param name="source">The source.</param>
/// <param name="target">The target.</param>
/// <param name="handleContentLength">true to handle content length.</param>
/// <param name="handleContentEncoding">true to handle content encoding.</param>
/// <param name="handleChangedValues">true to handle changed values.</param>
public static void CopyTo(
this HttpContentHeaders source,
HttpContentHeaders target,
bool handleContentLength = true,
bool handleContentEncoding = true,
bool handleChangedValues = false)
{
// Remove headers we are going to rewrite and headers with null values
foreach (var header in source)
{
try
{
if (!handleContentLength && header.Key.Equals("Content-Length", StringComparison.OrdinalIgnoreCase))
{
return;
}
if (!handleContentEncoding && header.Key.Equals("Content-Encoding", StringComparison.OrdinalIgnoreCase))
{
return;
}
if (!handleChangedValues)
{
// If values have changed, dont update it
if (target.Contains(header.Key))
{
if (target.GetValues(header.Key).Any(targetValue => header.Value.Any(originalValue => originalValue != targetValue)))
{
return;
}
}
}
target.Add(header.Key, header.Value);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
}
