public void VerifyLongDerStringRoundTrip()
{
string TestString = new string('A', 64000);
Assert.AreEqual(TestString, DerUtils.DecodeString(DerUtils.EncodePrintableString(TestString)), "PrintableString should make encoding round trip unchanged");
Assert.AreEqual(TestString, DerUtils.DecodeString(DerUtils.EncodeBMPString(TestString)), "BMPString should make encoding round trip unchanged");
}
public void VerifyDerPrintableStringRoundTrip()
{
const string TestString = "this is a printable string";
Assert.AreEqual(TestString, DerUtils.DecodePrintableString(DerUtils.EncodePrintableString(TestString)), "string should make encoding round trip unchanged");
Assert.AreEqual(string.Empty, DerUtils.DecodePrintableString(DerUtils.EncodePrintableString(string.Empty)), "empty string should make encoding round trip unchanged");
}
public void VerifyDerEncodeStringNullCases()
{
Action[] testCases = new Action[]
{
() => DerUtils.EncodePrintableString(null),
() => DerUtils.EncodeBMPString(null),
};
foreach (Action test in testCases)
{
bool caught = false;
try
{
test();
}
catch (ArgumentNullException)
{
caught = true;
}
Assert.IsTrue(caught, "expected an ArgumentNullException");
}
}
public void VerifyDerSequenceOfRoundTrip()
{
var testCases = new[] {
new { entryData = new List <string>()
{
"data1"
}, description = "single entry" },
new { entryData = new List <string>()
{
"data1", "data2", "data3"
}, description = "multiple entries" },
new { entryData = new List <string>()
{
}, description = "no entries" },
};
foreach (var testCase in testCases)
{
// convert the input data from strings to der encoding, since that's the expected input format
List <byte[]> derEntries = new List <byte[]>();
foreach (string entry in testCase.entryData)
{
derEntries.Add(DerUtils.EncodePrintableString(entry));
}
List <byte[]> outputEntries = DerUtils.DecodeSequenceOf(DerUtils.EncodeSequenceOf(derEntries));
// verify the output matches the input
Assert.AreEqual(testCase.entryData.Count, outputEntries.Count, "number of output entries should match the number of input entries for test case: " + testCase.description);
for (int i = 0; i < outputEntries.Count; i++)
{
Assert.AreEqual(testCase.entryData[i], DerUtils.DecodeString(outputEntries[i]), "Output data should match input data for test case: " + testCase.description);
}
}
}
