/// <summary>
/// </summary>
public WPFXamlDefinition(int maxTotalElements,
int maxAttributes,
int maxChildren,
int maxDepth)
{
Initialize(DefaultRandomGenerator.GetGlobalRandomGenerator(), maxTotalElements, maxAttributes, maxChildren, maxDepth);
}
/// <summary>
/// </summary>
internal Type GetRandomObject(Type baseType)
{
if (!IsLibraryCreated)
{
return(null);
}
int index;
if (baseType != typeof(object))
{
List <Type> types = new List <Type>(_types.Length);
foreach (Type type in _types)
{
if (baseType.IsAssignableFrom(type))
{
types.Add(type);
}
}
if (types.Count == 0)
{
return(null);
}
index = DefaultRandomGenerator.GetGlobalRandomGenerator().Next(types.Count);
return(types[index]);
}
index = DefaultRandomGenerator.GetGlobalRandomGenerator().Next(_types.Length);
return(_types[index]);
}
/// <summary>
/// </summary>
internal string GetRandomBamlFile()
{
if (!IsLibraryCreated)
{
return(null);
}
if (_bamlFiles == null)
{
lock (_instanceLock)
{
if (_bamlFiles == null)
{
_bamlFiles = Directory.GetFiles(_buildPath, "*.baml", SearchOption.AllDirectories);
}
}
}
string bamlFile = _bamlFiles[DefaultRandomGenerator.GetGlobalRandomGenerator().Next(_bamlFiles.Length)];
return(bamlFile);
}
/// <summary>
///
/// </summary>
/// <param name="max"></param>
/// <returns></returns>
static int GetRandomNumber(int max)
{
return(DefaultRandomGenerator.GetGlobalRandomGenerator().Next(max));
}
/// <summary>
/// </summary>
public static void Initialize(WPFXamlDefinition xamlDefinition)
{
ValidateInitialization();
lock (_lockObj)
{
ValidateInitialization();
_xamlDefinition = xamlDefinition;
_rnd = xamlDefinition.RandomGenerator;
string[] xamlFiles =
{
BuildPath("pagesource1.xaml"),
BuildPath("pagesource2.xaml")
};
string[] resourcesFiles =
{
BuildPath("arial.ttf"),
BuildPath("bee.wmv"),
BuildPath("Gone Fishing.bmp"),
BuildPath("small font.ttf")
};
string[] dllFiles =
{
BuildPath("TestRuntimeUntrusted.dll")
};
DefaultResourcesFiles = new List <string>(4);
DefaultXamlFiles = new List <string>(2);
DefaultDllFiles = new List <string>(3);
DefaultResourcesFiles.AddRange(resourcesFiles);
DefaultXamlFiles.AddRange(xamlFiles);
DefaultDllFiles.AddRange(dllFiles);
DefaultRandomGenerator.SetGlobalRandomGenerator(xamlDefinition.RandomGenerator);
//
// Create generators.
//
List <XmlGenerator> generators = new List <XmlGenerator>();
switch (_rnd.Next(5))
{
case 0:
// Includes everything except custom types, BitmapEffect, and LayoutTransform.
_generator = new XamlGenerator(BuildPath("RootTypes.xsd"));
break;
case 1:
// Includes everything except custom types, MediaElement, and BitmapEffect.
_generator = new XamlGenerator(BuildPath("RootTypes2.xsd"));
_shouldTestTransforms = true;
break;
case 2:
// Includes everything except custom types, flow types, MediaElement, and BitmapEffect.
_generator = new XamlGenerator(BuildPath("RootTypes3.xsd"));
_shouldTestTransforms = true;
break;
case 3:
// Includes everything except flow types, MediaElement, BitmapEffect, and LayoutTransform.
_generator = new XamlGenerator(BuildPath("RootTypes4.xsd"));
break;
case 4:
// Includes everything except custom types, flow types, MediaElement, and LayoutTransform.
_generator = new XamlGenerator(BuildPath("RootTypes5.xsd"));
_shouldTestBitmapEffects = true;
break;
}
_windowGenerator = new XamlGenerator(BuildPath("WindowTypes.xsd"));
_freezableGenerator = new XamlGenerator(BuildPath("RootFreezableTypes.xsd"));
_resourceGenerator = new XamlGenerator(BuildPath("ResourcesType.xsd"));
generators.Add(_generator);
generators.Add(_windowGenerator);
generators.Add(_freezableGenerator);
generators.Add(_resourceGenerator);
TextContentHelper textContentHelper = new TextContentHelper(_GenerateText);
ElementHelper elementHelper = new ElementHelper(_GenerateElement);
AttributeHelper attributeHelper1 = new AttributeHelper(_GenerateXmlLangValue);
AttributeHelper attributeHelper2 = new AttributeHelper(_GenerateNameValue);
AttributeHelper attributeHelper3 = new AttributeHelper(_GenerateAllowsTransparencyValue);
foreach (XmlGenerator generator in generators)
{
// Initialize XamlGenerator's random generator.
generator.Reset(_rnd.Next());
// Register helper for generating text content.
generator.RegisterTextHelper(textContentHelper);
// Register helper for generating elements so we can filter
// out stuff inside Templates.
generator.RegisterElementHelper(elementHelper);
// Register helpers for generating xml:lang, Name, and AllowsTransparency values.
generator.RegisterAttributeHelper(attributeHelper1, "lang");
generator.RegisterAttributeHelper(attributeHelper2, "Name");
generator.RegisterAttributeHelper(attributeHelper3, "AllowsTransparency");
}
_initialized = true;
}
}
/// <summary>
/// </summary>
public WPFXamlDefinition() : this(DefaultRandomGenerator.GetGlobalRandomGenerator())
{
}
/// <summary>
/// Returns whether or not an action should throttle its behavior.
/// </summary>
/// <param name="numerator">
/// Controls the probability of throttling as a fraction of the denominator.
/// </param>
/// <param name="denominator">
/// Controls the probability of throttling.
/// </param>
/// <remarks>
/// Actions often need to tune their behavior in order to prevent
/// breaking the constraints of the overall stress app. For example,
/// an action that grows the size of a tree might need to prune the tree
/// periodically in order to avoid using excessive memory for a long time.
///
/// ShouldThrottle provides a simple mechanism for actions to make choices
/// based on simple probabilites. For example, the action that grows a tree
/// could choose to prune the tree on average 1 out of every 3 times it runs.
/// To do that, it can call ShouldThrottle(1, 3) and prune if it returns true.
/// </remarks>
/// <returns>True if the caller should modify its behavior to reduce resources.</returns>
public static bool ShouldThrottle(int numerator, int denominator)
{
return(numerator > DefaultRandomGenerator.GetGlobalRandomGenerator().Next(denominator));
}
