public void SelectsMatchesRegex()
{
var spec = new MatchesRegex("[a-z][0-9].+");
Assert.That(spec.IsSatisfiedBy("a1"), Is.False);
Assert.That(spec.IsSatisfiedBy("a11"), Is.True);
Assert.That(spec.IsSatisfiedBy("b2a"), Is.True);
Assert.That(spec.IsSatisfiedBy("b3ds145a"), Is.True);
Assert.That(spec.IsSatisfiedBy("abcd"), Is.False);
Assert.That(spec.IsSatisfiedBy("012354"), Is.False);
Assert.That(spec.IsSatisfiedBy(String.Empty), Is.False);
//Assert.That(spec.IsSatisfiedBy(null), Is.False);
}
public void MatchesRegexCriteria()
{
var spec = new MatchesRegex("[a-z][0-9].+", RegexOptions.Compiled);
var criteria = spec.Criteria;
Assert.That(criteria.Body, Is.AssignableTo<MethodCallExpression>());
var call = (MethodCallExpression)criteria.Body;
Assert.That(call.Arguments, Has.Count.EqualTo(3));
Assert.That(call.Arguments[0], Is.AssignableTo<ParameterExpression>());
Assert.That(call.Arguments[1], Is.TypeOf<ConstantExpression>());
Assert.That(call.Arguments[2], Is.TypeOf<ConstantExpression>());
Assert.That(call.Method, Is.EqualTo(typeof(Regex).GetMethod("IsMatch", new[] { typeof(string), typeof(string), typeof(RegexOptions) })));
Assert.That(call.Object, Is.Null);
var arg1 = (ConstantExpression)call.Arguments[1];
Assert.That(arg1.Value, Is.EqualTo("[a-z][0-9].+"));
var arg2 = (ConstantExpression)call.Arguments[2];
Assert.That(arg2.Value, Is.EqualTo(RegexOptions.Compiled));
ExpressionWriter.Write(criteria);
}
