public async Task The_ReadAsync_Method_Throws_When_Length_Is_Negative()
{
var reader = new AsyncBinaryReader(new MemoryStream());
await Assert.ThrowsAsync <ArgumentException>(async() =>
{
await reader.ReadAsync(-1);
});
}
public async Task The_ReadAsync_Method_Works()
{
var expected = Encoding.UTF8.GetBytes("123456");
var stream = new MemoryStream(expected);
var reader = new AsyncBinaryReader(stream);
var actual = await reader.ReadAsync(expected.Length);
Assert.Equal(expected, actual);
}