private static void CacheProperties()
{
if (null == cachedProperties)
{
cachedProperties = new StringProperties();
}
cachedProperties.UnicodeRanges.Clear();
if (0 != properties.UnicodeRanges.Count)
{
foreach (UnicodeRange range in properties.UnicodeRanges)
{
cachedProperties.UnicodeRanges.Add(range);
}
}
cachedProperties.HasNumbers = properties.HasNumbers;
cachedProperties.IsBidirectional = properties.IsBidirectional;
cachedProperties.NormalizationForm = properties.NormalizationForm;
cachedProperties.MinNumberOfCombiningMarks = properties.MinNumberOfCombiningMarks;
cachedProperties.MinNumberOfCodePoints = properties.MinNumberOfCodePoints;
cachedProperties.MaxNumberOfCodePoints = properties.MaxNumberOfCodePoints;
cachedProperties.MinNumberOfEndUserDefinedCodePoints = properties.MinNumberOfEndUserDefinedCodePoints;
cachedProperties.MinNumberOfLineBreaks = properties.MinNumberOfLineBreaks;
cachedProperties.MinNumberOfSurrogatePairs = properties.MinNumberOfSurrogatePairs;
cachedProperties.MinNumberOfTextSegmentationCodePoints = properties.MinNumberOfTextSegmentationCodePoints;
}
/// <summary>
/// Create property objects according to string properties
/// </summary>
public PropertyFactory(StringProperties properties, UnicodeRangeDatabase unicodeDb, UnicodeRange expectedRange)
{
bidiProperty = null;
combiningMarksProperty = null;
eudcProperty = null;
lineBreakProperty = null;
numberProperty = null;
surrogatePairProperty = null;
textNormalizationProperty = null;
textSegmentationProperty = null;
minNumOfCodePoint = 0;
propertyDictionary = new Dictionary <PropertyFactory.PropertyName, IStringProperty>();
CreateProperties(properties, unicodeDb, expectedRange);
}
private static void CacheProperties()
{
if (null == cachedProperties)
{
cachedProperties = new StringProperties();
}
if (null != properties.UnicodeRange)
{
cachedProperties.UnicodeRange = new UnicodeRange(properties.UnicodeRange.StartOfUnicodeRange, properties.UnicodeRange.EndOfUnicodeRange);
}
cachedProperties.HasNumbers = properties.HasNumbers;
cachedProperties.IsBidirectional = properties.IsBidirectional;
cachedProperties.NormalizationForm = properties.NormalizationForm;
cachedProperties.MinNumberOfCombiningMarks = properties.MinNumberOfCombiningMarks;
cachedProperties.MinNumberOfCodePoints = properties.MinNumberOfCodePoints;
cachedProperties.MaxNumberOfCodePoints = properties.MaxNumberOfCodePoints;
cachedProperties.MinNumberOfEndUserDefinedCodePoints = properties.MinNumberOfEndUserDefinedCodePoints;
cachedProperties.MinNumberOfLineBreaks = properties.MinNumberOfLineBreaks;
cachedProperties.MinNumberOfSurrogatePairs = properties.MinNumberOfSurrogatePairs;
cachedProperties.MinNumberOfTextSegmentationCodePoints = properties.MinNumberOfTextSegmentationCodePoints;
}
/// <summary>
/// Returns a string, conforming to the <see cref="StringProperties"/> provided.
/// </summary>
/// <param name="stringProperties">The properties of the strings to be generated by the factory.</param>
/// <param name="seed">The random number generator seed.</param>
/// <returns>A string, conforming to the previously specified properties.</returns>
public static string GenerateRandomString(StringProperties stringProperties, int seed)
{
if (null == properties || IsPropertyChanged(stringProperties))
{
properties = stringProperties;
// Make a deep copy of stringProperties to cache it. If user changes any property and calls this API again,
// InitializeProperties() is triggered. Otherwise, no need to re initialize properties for optimization.
CacheProperties();
InitializeProperties();
}
string retStr = string.Empty;
Random rand = new Random(seed);
numOfCodePoints = rand.Next(minNumCodePoints, maxNumCodePoints);
int numberOfProperties = propertyFactory.PropertyDictionary.Count;
if (0 == numberOfProperties)
{
for (int i = 0; i < numOfCodePoints; i++)
{
retStr += TextUtil.IntToString(GetNextCodePoint(rand, seed));
}
return(retStr);
}
int quote = numOfCodePoints / propertyFactory.MinNumOfCodePoint;
if (0 == quote)
{
throw new ArgumentOutOfRangeException(
"StringFactory, MinNumberOfCodePoints needs to be at least " + numberOfProperties * propertyFactory.MinNumOfCodePoint + ".");
}
Dictionary <PropertyFactory.PropertyName, IStringProperty> .KeyCollection keyColl = propertyFactory.PropertyDictionary.Keys;
foreach (PropertyFactory.PropertyName name in keyColl)
{
if (PropertyFactory.PropertyName.Bidi == name)
{
retStr += GenerateBidiString(quote * BidiProperty.MINNUMOFCODEPOINT, seed);
}
else if (PropertyFactory.PropertyName.CombiningMarks == name)
{
retStr += GenerateCombiningMarkString(quote * CombiningMarksProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfCombiningMarks, seed);
}
else if (PropertyFactory.PropertyName.Eudc == name)
{
retStr += GenerateStringWithEudc(quote * EudcProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfEndUserDefinedCodePoints, seed);
}
else if (PropertyFactory.PropertyName.LineBreak == name)
{
retStr += GenerateStringWithLineBreak(quote * LineBreakProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfLineBreaks, seed);
}
else if (PropertyFactory.PropertyName.Number == name)
{
retStr += GenerateStringWithNumber(quote * NumberProperty.MINNUMOFCODEPOINT, seed);
}
else if (PropertyFactory.PropertyName.Surrogate == name)
{
retStr += GenerateStringWithSurrogatePair(quote * SurrogatePairProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfSurrogatePairs, seed);
}
else if (PropertyFactory.PropertyName.TextNormalization == name)
{
retStr += GenerateNormalizedString(quote * TextNormalizationProperty.MINNUMOFCODEPOINT, seed);
}
else if (PropertyFactory.PropertyName.TextSegmentation == name)
{
retStr += GenerateStringWithSegmentation(
quote * TextSegmentationProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfTextSegmentationCodePoints,
seed);
}
}
if (numOfCodePoints > 0)
{
for (int i = 0; i < numOfCodePoints; i++)
{
retStr += TextUtil.IntToString(GetNextCodePoint(rand, seed));
}
}
if (null != properties.NormalizationForm)
{
retStr = retStr.Normalize((NormalizationForm)properties.NormalizationForm);
}
return(retStr);
}
private static bool IsPropertyChanged(StringProperties stringProperties)
{
if ((0 == cachedProperties.UnicodeRanges.Count && 0 != stringProperties.UnicodeRanges.Count) ||
(0 != cachedProperties.UnicodeRanges.Count && 0 == stringProperties.UnicodeRanges.Count))
{
return(true);
}
else if (0 != cachedProperties.UnicodeRanges.Count && 0 != stringProperties.UnicodeRanges.Count)
{
if (cachedProperties.UnicodeRanges.Count != stringProperties.UnicodeRanges.Count)
{
return(true);
}
int i = 0;
foreach (UnicodeRange range in cachedProperties.UnicodeRanges)
{
if (range.StartOfUnicodeRange != stringProperties.UnicodeRanges[i].StartOfUnicodeRange)
{
return(true);
}
if (range.EndOfUnicodeRange != stringProperties.UnicodeRanges[i++].EndOfUnicodeRange)
{
return(true);
}
}
}
if (cachedProperties.HasNumbers != stringProperties.HasNumbers)
{
return(true);
}
if (cachedProperties.IsBidirectional != stringProperties.IsBidirectional)
{
return(true);
}
if (cachedProperties.NormalizationForm != stringProperties.NormalizationForm)
{
return(true);
}
if (cachedProperties.MinNumberOfCombiningMarks != stringProperties.MinNumberOfCombiningMarks)
{
return(true);
}
if (cachedProperties.MinNumberOfCodePoints != stringProperties.MinNumberOfCodePoints)
{
return(true);
}
if (cachedProperties.MaxNumberOfCodePoints != stringProperties.MaxNumberOfCodePoints)
{
return(true);
}
if (cachedProperties.MinNumberOfEndUserDefinedCodePoints != stringProperties.MinNumberOfEndUserDefinedCodePoints)
{
return(true);
}
if (cachedProperties.MinNumberOfLineBreaks != stringProperties.MinNumberOfLineBreaks)
{
return(true);
}
if (cachedProperties.MinNumberOfSurrogatePairs != stringProperties.MinNumberOfSurrogatePairs)
{
return(true);
}
if (cachedProperties.MinNumberOfTextSegmentationCodePoints != stringProperties.MinNumberOfTextSegmentationCodePoints)
{
return(true);
}
return(false);
}
/// <summary>
/// Returns an array of predefined strings, interesting from a text testing point of view, with the specified properties.
/// <font color="red">NOT IMPLEMENTED.</font>
/// </summary>
/// <param name="stringProperties">The properties of the generated string.</param>
/// <returns>An array of predefined strings with the specified properties.</returns>
public static string[] GetPredefinedStrings(StringProperties stringProperties)
{
throw new NotImplementedException();
}
/// <summary>
/// Generates a random string, with the specified properties.
/// <font color="red">NOT IMPLEMENTED.</font>
/// </summary>
/// <param name="stringProperties">The properties of the generated string.</param>
/// <param name="seed">A number used to calculate a starting value for the pseudo-random number sequence. If a negative number is specified, the absolute value of the number is used.</param>
/// <returns>A random string with the specified properties.</returns>
public static string GenerateRandomString(StringProperties stringProperties, int seed)
{
throw new NotImplementedException();
}
private void CreateProperties(StringProperties properties, UnicodeRangeDatabase unicodeDb, UnicodeRange expectedRange)
{
if (null != properties.HasNumbers)
{
if ((bool)properties.HasNumbers)
{
numberProperty = new NumberProperty(unicodeDb, expectedRange);
minNumOfCodePoint += NumberProperty.MINNUMOFCODEPOINT;
propertyDictionary.Add(PropertyName.Number, numberProperty);
}
}
if (null != properties.IsBidirectional)
{
if ((bool)properties.IsBidirectional)
{
bidiProperty = new BidiProperty(unicodeDb, expectedRange);
minNumOfCodePoint += BidiProperty.MINNUMOFCODEPOINT;
propertyDictionary.Add(PropertyName.Bidi, bidiProperty);
}
}
if (null != properties.NormalizationForm)
{
textNormalizationProperty = new TextNormalizationProperty(unicodeDb, expectedRange);
minNumOfCodePoint += TextNormalizationProperty.MINNUMOFCODEPOINT;
propertyDictionary.Add(PropertyName.TextNormalization, textNormalizationProperty);
}
if (null != properties.MinNumberOfCombiningMarks)
{
if (0 != properties.MinNumberOfCombiningMarks)
{
combiningMarksProperty = new CombiningMarksProperty(unicodeDb, expectedRange);
minNumOfCodePoint += CombiningMarksProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfCombiningMarks;
propertyDictionary.Add(PropertyName.CombiningMarks, combiningMarksProperty);
}
}
if (null != properties.MinNumberOfEndUserDefinedCodePoints)
{
if (0 != properties.MinNumberOfEndUserDefinedCodePoints)
{
eudcProperty = new EudcProperty(unicodeDb, expectedRange);
minNumOfCodePoint += EudcProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfEndUserDefinedCodePoints;
propertyDictionary.Add(PropertyName.Eudc, eudcProperty);
}
}
if (null != properties.MinNumberOfLineBreaks)
{
if (0 != properties.MinNumberOfLineBreaks)
{
lineBreakProperty = new LineBreakProperty(expectedRange);
minNumOfCodePoint += LineBreakProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfLineBreaks;
propertyDictionary.Add(PropertyName.LineBreak, lineBreakProperty);
}
}
if (null != properties.MinNumberOfSurrogatePairs)
{
if (0 != properties.MinNumberOfSurrogatePairs)
{
surrogatePairProperty = new SurrogatePairProperty(unicodeDb, expectedRange);
minNumOfCodePoint += SurrogatePairProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfSurrogatePairs;
propertyDictionary.Add(PropertyName.Surrogate, surrogatePairProperty);
}
}
if (null != properties.MinNumberOfTextSegmentationCodePoints)
{
if (0 != properties.MinNumberOfTextSegmentationCodePoints)
{
textSegmentationProperty = new TextSegmentationProperty(unicodeDb, expectedRange);
minNumOfCodePoint += TextSegmentationProperty.MINNUMOFCODEPOINT * (int)properties.MinNumberOfTextSegmentationCodePoints;
propertyDictionary.Add(PropertyName.TextSegmentation, textSegmentationProperty);
}
}
}
private static bool IsPropertyChanged(StringProperties stringProperties)
{
if ((null == cachedProperties.UnicodeRange && null != stringProperties.UnicodeRange) ||
(null != cachedProperties.UnicodeRange && null == stringProperties.UnicodeRange))
{
return(true);
}
else if (null != cachedProperties.UnicodeRange && null != stringProperties.UnicodeRange)
{
if (cachedProperties.UnicodeRange.StartOfUnicodeRange != stringProperties.UnicodeRange.StartOfUnicodeRange)
{
return(true);
}
if (cachedProperties.UnicodeRange.EndOfUnicodeRange != stringProperties.UnicodeRange.EndOfUnicodeRange)
{
return(true);
}
}
if (cachedProperties.HasNumbers != stringProperties.HasNumbers)
{
return(true);
}
if (cachedProperties.IsBidirectional != stringProperties.IsBidirectional)
{
return(true);
}
if (cachedProperties.NormalizationForm != stringProperties.NormalizationForm)
{
return(true);
}
if (cachedProperties.MinNumberOfCombiningMarks != stringProperties.MinNumberOfCombiningMarks)
{
return(true);
}
if (cachedProperties.MinNumberOfCodePoints != stringProperties.MinNumberOfCodePoints)
{
return(true);
}
if (cachedProperties.MaxNumberOfCodePoints != stringProperties.MaxNumberOfCodePoints)
{
return(true);
}
if (cachedProperties.MinNumberOfEndUserDefinedCodePoints != stringProperties.MinNumberOfEndUserDefinedCodePoints)
{
return(true);
}
if (cachedProperties.MinNumberOfLineBreaks != stringProperties.MinNumberOfLineBreaks)
{
return(true);
}
if (cachedProperties.MinNumberOfSurrogatePairs != stringProperties.MinNumberOfSurrogatePairs)
{
return(true);
}
if (cachedProperties.MinNumberOfTextSegmentationCodePoints != stringProperties.MinNumberOfTextSegmentationCodePoints)
{
return(true);
}
return(false);
}