public void Validate_with_advanced_options_should_throw_if_parameters_incorrect(bool provideCompressedBytes, int inputOffset, int inputLength, Type expectedExceptionType)
{
var uncompressedBytes = Encoding.ASCII.GetBytes("Hello, hello, howdy?"); // 20 bytes
var compressedBytes = provideCompressedBytes ? SnappyCodec.Compress(uncompressedBytes) : null; // 22 bytes
var exception = Record.Exception(() => SnappyCodec.Validate(compressedBytes, inputOffset, inputLength));
exception.Should().BeOfType(expectedExceptionType);
}
public void ValidateExceptions()
{
var uncompressed = Encoding.ASCII.GetBytes("Hello, hello, howdy?");
var compressed = SnappyCodec.Compress(uncompressed);
var buffer = new byte[100];
Assert.Throws <ArgumentNullException>(() => SnappyCodec.Validate(null));
Assert.Throws <ArgumentNullException>(() => SnappyCodec.Validate(null, 0, 3));
Assert.Throws <ArgumentOutOfRangeException>(() => SnappyCodec.Validate(compressed, -1, uncompressed.Length));
Assert.Throws <ArgumentOutOfRangeException>(() => SnappyCodec.Validate(compressed, 0, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => SnappyCodec.Validate(compressed, compressed.Length - 2, 4));
}
public void Validate()
{
var uncompressed = Encoding.ASCII.GetBytes("Hello, hello, howdy?");
var compressed = SnappyCodec.Compress(uncompressed);
var buffer = new byte[100];
Assert.IsTrue(SnappyCodec.Validate(compressed));
var rubbish = new byte[10];
new Random(0).NextBytes(rubbish);
Assert.IsFalse(SnappyCodec.Validate(rubbish, 0, rubbish.Length));
Assert.IsFalse(SnappyCodec.Validate(compressed, 0, 0));
Assert.IsFalse(SnappyCodec.Validate(compressed, compressed.Length, 0));
}
public void Validation(string name)
{
Benchmark.Run("Validating", name, benchmark =>
{
var compressed = SnappyCodec.Compress(benchmark.Input);
bool ok = false;
benchmark.Stopwatch.Start();
for (int i = 0; i < benchmark.Iterations; ++i)
{
ok = SnappyCodec.Validate(compressed);
}
benchmark.Stopwatch.Stop();
Assert.IsTrue(ok);
});
}
public void Validate_should_work_as_expected()
{
var uncompressedBytes = Encoding.ASCII.GetBytes("Hello, hello, howdy?");
var compressedBytes = SnappyCodec.Compress(uncompressedBytes);
var isValid = SnappyCodec.Validate(compressedBytes);
isValid.Should().BeTrue();
isValid = SnappyCodec.Validate(compressedBytes, 0, 0);
isValid.Should().BeFalse();
isValid = SnappyCodec.Validate(compressedBytes, compressedBytes.Length, 0);
isValid.Should().BeFalse();
var randomBytes = new byte[10];
new Random(0).NextBytes(randomBytes);
var isRandomBytesValid = SnappyCodec.Validate(randomBytes, 0, randomBytes.Length);
isRandomBytesValid.Should().BeFalse();
}
public void Validate_should_throw_if_parameter_null()
{
var exception = Record.Exception(() => SnappyCodec.Validate(null));
exception.Should().BeOfType <ArgumentNullException>();
}