protected static void ConvertTest(BaseEncoding encoding)
{
var initialData = new Byte[128];
var odd = false;
for (var index = 0; index < UnitTestsIterationsCount; index++, odd = !odd)
{
// Generate test data
Random.NextBytes(initialData);
var offset = odd ? 0 : Random.Next(64);
var count = odd ? 128 : Random.Next(64);
// Convert byte array to string
var intermediateResult = odd ? encoding.Encode(initialData) : encoding.Encode(initialData, offset, count);
// Convert string to byte array
var actualResult = encoding.Decode(intermediateResult, 0, intermediateResult.Length);
// Compare by item
for (Int32 expectedResultIndex = offset, actualResultIndex = 0; expectedResultIndex < offset + count; expectedResultIndex++, actualResultIndex++)
{
var expectedItem = initialData[expectedResultIndex];
var actualItem = actualResult[actualResultIndex];
Assert.AreEqual(expectedItem, actualItem);
}
}
}
protected static void TestEncodeMethodArguments(BaseEncoding encoding)
{
var testData = new Byte[]
{
0, 1, 2, 3
};
try // null data
{
encoding.Encode(null);
Assert.Fail(typeof(ArgumentNullException).ToString());
}
catch (ArgumentNullException)
{
}
try // good pass zero length
{
encoding.Encode(new Byte[0]);
}
catch (Exception)
{
Assert.Fail();
}
try // good pass
{
encoding.Encode(testData);
}
catch (Exception)
{
Assert.Fail();
}
}
protected static void TestEncodeOffsetCountMethodArguments(BaseEncoding encoding)
{
var testData = new Byte[]
{
0, 1, 2, 3
};
try // null data
{
encoding.Encode(null, 0, 2);
Assert.Fail(typeof(ArgumentNullException).ToString());
}
catch (ArgumentNullException)
{
}
try // bad length
{
encoding.Encode(testData, 0, -4);
Assert.Fail(typeof(ArgumentOutOfRangeException).ToString());
}
catch (ArgumentOutOfRangeException)
{
}
try // bad offset
{
encoding.Encode(testData, -1, 4);
Assert.Fail(typeof(ArgumentOutOfRangeException).ToString());
}
catch (ArgumentOutOfRangeException)
{
}
try // bad offset
{
encoding.Encode(testData, 1, 4);
Assert.Fail(typeof(ArgumentOutOfRangeException).ToString());
}
catch (ArgumentOutOfRangeException)
{
}
try // good pass zero length
{
encoding.Encode(testData, 0, 0);
}
catch (Exception)
{
Assert.Fail();
}
}
protected static void TestDecodeMethodArguments(BaseEncoding encoding)
{
try // null
{
encoding.Decode(null);
Assert.Fail(typeof(ArgumentNullException).ToString());
}
catch (ArgumentNullException)
{
}
}
protected static void TestDecodeOffsetCountMethodArguments(BaseEncoding encoding)
{
try // null
{
encoding.Decode(null, 0, 2);
Assert.Fail(typeof(ArgumentNullException).ToString());
}
catch (ArgumentNullException)
{
}
try // bad count
{
encoding.Decode("abcd", 0, -4);
Assert.Fail(typeof(ArgumentOutOfRangeException).ToString());
}
catch (ArgumentOutOfRangeException)
{
}
try // bad offset
{
encoding.Decode("abcd", -1, 4);
Assert.Fail(typeof(ArgumentOutOfRangeException).ToString());
}
catch (ArgumentOutOfRangeException)
{
}
try // bad offset
{
encoding.Decode("abcd", 1, 4);
Assert.Fail(typeof(ArgumentOutOfRangeException).ToString());
}
catch (ArgumentOutOfRangeException)
{
}
}