public void StatisticallyDistributed5050()
{
const int total = 1000000;
var trueCases = Enumerable.Repeat(0, total).Count(i => RandomValue.Bool());
var ratio = trueCases / (double)total;
ratio.ShouldBeInRange(0.49, 0.51);
}
protected override SyntaxTreeNode Visit(TextNode node)
{
if (!RandomValue.Bool())
{
return(base.Visit(node));
}
return(new TextNode(node.Text, node.HtmlTemplate));
}
protected override SyntaxTreeNode Visit(TagNode node)
{
var baseResult = base.Visit(node);
if (!RandomValue.Bool())
{
return(baseResult);
}
return(baseResult.SetSubNodes(baseResult.SubNodes.ToList()));
}
public void Setup()
{
_validModel = new TestModel
{
TestGuid = RandomValue.Guid(),
TestBool = RandomValue.Bool(),
TestDate = RandomValue.DateTime(),
TestInt = RandomValue.Int(),
TestString = RandomValue.String()
};
_sut = new TestModelHelper <TestModel>(_validModel);
}
public void RandomBoolShouldProduceTrueApprox50PercentOfTheTime()
{
var randomBools = new List <bool>();
for (int i = 0; i < 1000; i++)
{
randomBools.Add(RandomValue.Bool());
}
var listOfTrues = randomBools.Where(x => x == true);
listOfTrues.Count().ShouldBeInRange(400, 600);
}
static SyntaxTreeNode CreateNode(BBTag[] allowedTags, bool allowText)
{
switch (new[] { allowText ? 0 : 1, 2 }[RandomValue.Int(1, 0)])
{
case 0:
var text = RandomValue.String();
return(new TextNode(text));
case 1:
var tag = allowedTags[RandomValue.Int(allowedTags.Length, 0)];
var node = new TagNode(tag);
AddSubnodes(allowedTags, node);
if (tag.Attributes != null)
{
var selectedIds = new List <string>();
foreach (var attr in tag.Attributes)
{
if (!selectedIds.Contains(attr.ID) && RandomValue.Bool())
{
string val;
do
{
val = RandomValue.String();
} while (val.IndexOfAny("[] ".ToCharArray()) != -1);
node.AttributeValues[attr] = val;
selectedIds.Add(attr.ID);
}
}
}
return(node);
default:
//PexAssume.Fail();
return(null);
}
}
