public DownloadResourceResult(DownloadResourceResultStatus status)
{
if (status == DownloadResourceResultStatus.Available)
{
throw new ArgumentException("A stream should be provided when the result is available.");
}
Status = status;
}
public void Constructor_Status_InitializesProperties(DownloadResourceResultStatus status)
{
using (var result = new DownloadResourceResult(status))
{
Assert.Null(result.PackageReader);
Assert.Null(result.PackageSource);
Assert.Null(result.PackageStream);
Assert.Equal(status, result.Status);
}
}
public void Constructor_Status_ThrowsForInvalidStatus(DownloadResourceResultStatus status)
{
var exception = Assert.Throws <ArgumentException>(() => new DownloadResourceResult(status));
var expectedMessage = $"A stream should be provided when the result is available.{Environment.NewLine}"
+ "Parameter name: status";
Assert.Equal("status", exception.ParamName);
Assert.Equal(expectedMessage, exception.Message);
}
public void Constructor_Status_ThrowsForInvalidStatus(DownloadResourceResultStatus status)
{
var exception = Assert.Throws <ArgumentException>(() => new DownloadResourceResult(status));
var expectedMessage = "A stream should be provided when the result is available.";
Assert.Equal("status", exception.ParamName);
Assert.Contains(expectedMessage, exception.Message);
//Remove the expected message from the exception message, the rest part should have param info.
//Background of this change: System.ArgumentException(string message, string paramName) used to generate two lines of message before, but changed to generate one line
//in PR: https://github.com/dotnet/coreclr/pull/25185/files#diff-0365d5690376ef849bf908dfc225b8e8
var paramPart = exception.Message.Substring(exception.Message.IndexOf(expectedMessage) + expectedMessage.Length);
Assert.Contains("status", paramPart);
}
