public void TestTwoExtraValues()
{
List <object> actualList = new List <object>()
{
"one", "two", "three", "four"
};
ConstraintResult cr = _constraint.ApplyTo(actualList);
cr.WriteMessageTo(_writer);
string expectedMsg =
" Expected: equivalent to < \"one\", \"two\" >" + Environment.NewLine +
" But was: < \"one\", \"two\", \"three\", \"four\" >" + Environment.NewLine +
" Extra (2): < \"three\", \"four\" >" + Environment.NewLine;
Assert.AreEqual(expectedMsg, _writer.ToString());
}
public void TestOneMissingValue()
{
List <object> actualList = new List <object>()
{
"one"
};
ConstraintResult cr = _constraint.ApplyTo(actualList);
cr.WriteMessageTo(_writer);
string expectedMsg =
" Expected: equivalent to < \"one\", \"two\" >" + Environment.NewLine +
" But was: < \"one\" >" + Environment.NewLine +
" Missing (1): < \"two\" >" + Environment.NewLine;
Assert.AreEqual(expectedMsg, _writer.ToString());
}
public void TestOnlyDisplaysUpToTenDifferences()
{
List <object> actualList = new List <object>()
{
"one", "two", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven"
};
ConstraintResult cr = _constraint.ApplyTo(actualList);
cr.WriteMessageTo(_writer);
string expectedMsg =
" Expected: equivalent to < \"one\", \"two\" >" + Environment.NewLine +
" But was: < \"one\", \"two\", \"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\"... >" + Environment.NewLine +
" Extra (11): < \"one\", \"two\", \"three\", \"four\", \"five\", \"six\", \"seven\", \"eight\", \"nine\", \"ten\"... >" + Environment.NewLine;
Assert.AreEqual(expectedMsg, _writer.ToString());
}
private static void ReportFailure(ConstraintResult result, string message, params object[] args)
{
MessageWriter writer = new TextMessageWriter(message, args);
result.WriteMessageTo(writer);
ReportFailure(writer.ToString());
}