public void LzaResultConstructor_Works(LzmaResult result, string expectedMessage)
{
var ex = new LzmaException(result);
Assert.Equal(result, (LzmaResult)ex.HResult);
Assert.Equal(expectedMessage, ex.Message);
}
/// <summary>
/// Throws a <see cref="LzmaException"/> if <see cref="LzmaResult"/> is not <see cref="LzmaResult.OK"/>.
/// </summary>
/// <param name="result">
/// The result value to check.
/// </param>
public static void ThrowOnError(LzmaResult result)
{
if (result != LzmaResult.OK)
{
throw new LzmaException(result);
}
}
private static Exception GetError(LzmaResult ret)
{
switch (ret)
{
case LzmaResult.MemError: return(new OutOfMemoryException("Memory allocation failed"));
case LzmaResult.OptionsError: return(new ArgumentException("Specified preset is not supported"));
case LzmaResult.UnsupportedCheck: return(new Exception("Specified integrity check is not supported"));
case LzmaResult.DataError: return(new InvalidDataException("File size limits exceeded"));
default: return(new Exception("Unknown error, possibly a bug: " + ret));
}
}
private Exception ThrowError(LzmaResult ret)
{
NativeMethods.lzma_end(ref this.lzmaStream);
return(GetError(ret));
}
private static string GetDescription(LzmaResult result) =>
result switch
{
/// <summary>
/// Initializes a new instance of the <see cref="LzmaException"/> class, based on an <see cref="LzmaResult"/>
/// error code.
/// </summary>
/// <param name="result">
/// A message which describes the error.
/// </param>
public LzmaException(LzmaResult result)
: base(GetDescription(result))
{
this.HResult = (int)result;
}
