Class RandomUtil
Summary description for RandomUtil.
Inheritance
Inherited Members
Namespace: ImageVault.Common.Lib
Assembly: ImageVault.Common.dll
Syntax
public static class RandomUtil
Fields
DefaultArrayLength
Gets the DefaultArrayLength of the RandomUtil
Declaration
public const int DefaultArrayLength = 5
Field Value
Type | Description |
---|---|
System.Int32 |
DefaultPercentageNullableNullOccurrance
Gets the DefaultPercentageNullableNullOccurrance of the RandomUtil
Declaration
[Obsolete("Use DefaultPercentageNullableNullOccurrence instead")]
public const int DefaultPercentageNullableNullOccurrance = 10
Field Value
Type | Description |
---|---|
System.Int32 |
DefaultPercentageNullableNullOccurrence
Gets the DefaultPercentageNullableNullOccurrence of the RandomUtil
Declaration
public const int DefaultPercentageNullableNullOccurrence = 10
Field Value
Type | Description |
---|---|
System.Int32 |
DefaultStringLength
Gets the DefaultStringLength of the RandomUtil
Declaration
public const int DefaultStringLength = 20
Field Value
Type | Description |
---|---|
System.Int32 |
DefaultStringLengthVariation
Gets the DefaultStringLengthVariation of the RandomUtil
Declaration
public const int DefaultStringLengthVariation = 5
Field Value
Type | Description |
---|---|
System.Int32 |
Methods
GetRandomBoolean()
Gets a random boolean value
Declaration
public static bool GetRandomBoolean()
Returns
Type | Description |
---|---|
System.Boolean |
GetRandomByte()
Returns a random byte
Declaration
public static byte GetRandomByte()
Returns
Type | Description |
---|---|
System.Byte |
GetRandomChar()
Returns a random character
Declaration
public static char GetRandomChar()
Returns
Type | Description |
---|---|
System.Char |
GetRandomColor()
Gets a random color
Declaration
public static Color GetRandomColor()
Returns
Type | Description |
---|---|
System.Drawing.Color |
GetRandomDateTime()
Returns a randomized DateTime
Declaration
public static DateTime GetRandomDateTime()
Returns
Type | Description |
---|---|
System.DateTime |
GetRandomDateTime(DateTime, DateTime)
Declaration
public static DateTime GetRandomDateTime(DateTime minDate, DateTime maxDate)
Parameters
Type | Name | Description |
---|---|---|
System.DateTime | minDate | |
System.DateTime | maxDate |
Returns
Type | Description |
---|---|
System.DateTime |
GetRandomDecimal()
Gets a randomized decimal
Declaration
public static decimal GetRandomDecimal()
Returns
Type | Description |
---|---|
System.Decimal |
GetRandomDouble()
Gets a randomized double
Declaration
public static double GetRandomDouble()
Returns
Type | Description |
---|---|
System.Double |
GetRandomDouble(Double)
Gets a random double value from zero to the supplied maxvalue
Declaration
public static double GetRandomDouble(double maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Double | maxValue | The limit of the returned value |
Returns
Type | Description |
---|---|
System.Double | The randomized System.Double |
GetRandomEnum(Type)
Gets a randomized enum value
Declaration
public static Enum GetRandomEnum(Type type)
Parameters
Type | Name | Description |
---|---|---|
System.Type | type | The type of enum to randomize a value from |
Returns
Type | Description |
---|---|
System.Enum | The randomized System.Enum |
GetRandomInt16()
Returns a random Int16
Declaration
public static short GetRandomInt16()
Returns
Type | Description |
---|---|
System.Int16 |
GetRandomInt32()
Returns a random System.Int32
Declaration
public static int GetRandomInt32()
Returns
Type | Description |
---|---|
System.Int32 | The random System.Int32 |
GetRandomInt32(Int32)
Returns a non negative random number in the given interval
Declaration
public static int GetRandomInt32(int maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | maxValue | The exclusive upper bound of the random number returned. maxValue must be greater than or equal to 0. |
Returns
Type | Description |
---|---|
System.Int32 | The random System.Int32 |
GetRandomInt32(Int32, Int32)
Returns a random number in the given interval
Declaration
public static int GetRandomInt32(int minValue, int maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | minValue | The inclusive lower bound of the random number returned |
System.Int32 | maxValue | The exclusive upper bound of the random number returned. maxValue must be greater than or equal to minvalue. |
Returns
Type | Description |
---|---|
System.Int32 | The random System.Int32 |
GetRandomInt32(Int32, Int32, Int32[])
Returns a random number in the given interval
Declaration
public static int GetRandomInt32(int minValue, int maxValue, params int[] notValidValues)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | minValue | The inclusive lower bound of the random number returned |
System.Int32 | maxValue | The exclusive upper bound of the random number returned. maxValue must be greater than or equal to minvalue. |
System.Int32[] | notValidValues | A System.Int32 array of non valid values |
Returns
Type | Description |
---|---|
System.Int32 | The random System.Int32 |
GetRandomInt32Except(Int32[])
Returns a random integer that is not one of the supplied ones
Declaration
public static int GetRandomInt32Except(params int[] notValidValues)
Parameters
Type | Name | Description |
---|---|---|
System.Int32[] | notValidValues | A System.Int32 array of non valid values |
Returns
Type | Description |
---|---|
System.Int32 | The random System.Int32 |
GetRandomInt64()
returns a random Int64
Declaration
public static long GetRandomInt64()
Returns
Type | Description |
---|---|
System.Int64 |
GetRandomInt64(Int64)
Returns a random value between 0 and maxValue
Declaration
public static long GetRandomInt64(long maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Int64 | maxValue |
Returns
Type | Description |
---|---|
System.Int64 |
GetRandomInt64(Int64, Int64)
Returns a random value between minValue and maxValue
Declaration
public static long GetRandomInt64(long minValue, long maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Int64 | minValue | |
System.Int64 | maxValue |
Returns
Type | Description |
---|---|
System.Int64 |
GetRandomItem(IList)
Gets a random item from the supplied list
Declaration
public static object GetRandomItem(IList list)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.IList | list | The System.Collections.IList to get the item from. |
Returns
Type | Description |
---|---|
System.Object | The selected item or null if the list is null or empty |
GetRandomItem(IList, Int32, Int32)
Gets a random item from the list
Declaration
public static object GetRandomItem(IList list, int startIndex, int length)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.IList | list | The System.Collections.Generic.IList<T> to get the item from |
System.Int32 | startIndex | The start position where we should start our selection |
System.Int32 | length | The number of items to include in the selection |
Returns
Type | Description |
---|---|
System.Object | The selected item or null if the list is null or empty |
Exceptions
Type | Condition |
---|---|
System.ArgumentOutOfRangeException | If |
GetRandomItem(String)
Gets a random character from a string
Declaration
public static char GetRandomItem(string s)
Parameters
Type | Name | Description |
---|---|---|
System.String | s | The string to randomize an item from |
Returns
Type | Description |
---|---|
System.Char |
Exceptions
Type | Condition |
---|---|
System.ArgumentException | If cannot get a random char in a null or empty string. |
GetRandomItem<T>(IList<T>)
Gets a random item from the list
Declaration
public static T GetRandomItem<T>(IList<T> list)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<T> | list | The System.Collections.Generic.IList<T> to get the item from |
Returns
Type | Description |
---|---|
T | The selected |
Type Parameters
Name | Description |
---|---|
T | The type of item to get. |
GetRandomItem<T>(IList<T>, Int32, Int32)
Gets a random item from the list
Declaration
public static T GetRandomItem<T>(IList<T> list, int startIndex, int length)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<T> | list | The System.Collections.Generic.IList<T> to get the item from |
System.Int32 | startIndex | The start position where we should start our selection |
System.Int32 | length | The number of items to include in the selection |
Returns
Type | Description |
---|---|
T | The selected |
Type Parameters
Name | Description |
---|---|
T | The type of item contained in the list |
Exceptions
Type | Condition |
---|---|
System.ArgumentOutOfRangeException | If |
GetRandomItems<T>(IList<T>, Int32)
Declaration
public static IList<T> GetRandomItems<T>(IList<T> items, int no)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<T> | items | |
System.Int32 | no |
Returns
Type | Description |
---|---|
System.Collections.Generic.IList<T> |
Type Parameters
Name | Description |
---|---|
T |
Exceptions
Type | Condition |
---|---|
System.ArgumentNullException | If |
System.ArgumentException | If cannot get . |
GetRandomLetterAndDigit()
Gets a randomized letter or digit sign.
Declaration
public static char GetRandomLetterAndDigit()
Returns
Type | Description |
---|---|
System.Char | The randomized letter or digit sign. |
GetRandomLetterAndDigitString(Int32)
Generates a string of randomized letters and digits of the supplied length
Declaration
public static string GetRandomLetterAndDigitString(int length)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The length of the randomized string |
Returns
Type | Description |
---|---|
System.String | The randomized System.String |
GetRandomLetterAndDigitString(Int32, String[])
Generates a string of randomized letters and digits of the supplied length
Declaration
public static string GetRandomLetterAndDigitString(int length, params string[] notValidValues)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The length of the randomized string |
System.String[] | notValidValues | The System.String array that contains the values that the randomized string shouldn't have. |
Returns
Type | Description |
---|---|
System.String | The randomized System.String |
GetRandomLetterAndDigitString(String[])
Generates a string of randomized letters and digits
Declaration
public static string GetRandomLetterAndDigitString(params string[] notValidValues)
Parameters
Type | Name | Description |
---|---|---|
System.String[] | notValidValues | The System.String array that contains the values that the randomized string shouldn't have. |
Returns
Type | Description |
---|---|
System.String | The randomized System.String |
GetRandomLetterString(Int32, Int32)
Gets a randomized letter string
Declaration
public static string GetRandomLetterString(int length, int delta)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The approximate length of the string |
System.Int32 | delta | The variation delta. |
Returns
Type | Description |
---|---|
System.String | The randomized System.String |
GetRandomNullableBoolean()
Gets a random nullable boolean
Declaration
public static bool? GetRandomNullableBoolean()
Returns
Type | Description |
---|---|
System.Nullable<System.Boolean> |
GetRandomObject(Type)
Gets a random object instance of the specified type
Declaration
public static object GetRandomObject(Type type)
Parameters
Type | Name | Description |
---|---|---|
System.Type | type | The System.Type of object to instance |
Returns
Type | Description |
---|---|
System.Object | The instanced object |
GetRandomSByte()
Returns a random System.SByte
Declaration
[CLSCompliant(false)]
public static sbyte GetRandomSByte()
Returns
Type | Description |
---|---|
System.SByte | The random System.SByte |
GetRandomSByte(SByte)
Returns a non negative random number in the given interval
Declaration
[CLSCompliant(false)]
public static sbyte GetRandomSByte(sbyte maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.SByte | maxValue | The exclusive upper bound of the random number returned. maxValue must be greater than or equal to 0. |
Returns
Type | Description |
---|---|
System.SByte | The random System.SByte |
GetRandomSByte(SByte, SByte)
Returns a random number in the given interval
Declaration
[CLSCompliant(false)]
public static sbyte GetRandomSByte(sbyte minValue, sbyte maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.SByte | minValue | The inclusive lower bound of the random number returned |
System.SByte | maxValue | The exclusive upper bound of the random number returned. maxValue must be greater than or equal to minvalue. |
Returns
Type | Description |
---|---|
System.SByte | The random System.SByte |
GetRandomSingle()
Returns a random single
Declaration
public static float GetRandomSingle()
Returns
Type | Description |
---|---|
System.Single | The random System.Single |
GetRandomSingle(Single)
Returns a random single
Declaration
public static float GetRandomSingle(float maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Single | maxValue | The maximum System.Single to return |
Returns
Type | Description |
---|---|
System.Single | The random System.Single |
GetRandomSingle(Single, Single)
Returns a random value between minValue and maxValue
Declaration
public static float GetRandomSingle(float minValue, float maxValue)
Parameters
Type | Name | Description |
---|---|---|
System.Single | minValue | The minimum System.Single value to return |
System.Single | maxValue | The maximum System.Single value to return |
Returns
Type | Description |
---|---|
System.Single | The randomized System.Single |
GetRandomString()
Gets a randomized string of default length
Declaration
public static string GetRandomString()
Returns
Type | Description |
---|---|
System.String | The randomized length |
GetRandomString(Int32)
Gets a randomized string of the approximate length
Declaration
public static string GetRandomString(int length)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The approximate length of the string |
Returns
Type | Description |
---|---|
System.String | The randomized string |
GetRandomString(Int32, Int32)
Gets a randomized string of the approximate length
Declaration
public static string GetRandomString(int length, int delta)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The approximate length of the string |
System.Int32 | delta | The variation delta. |
Returns
Type | Description |
---|---|
System.String | The randomized length |
GetRandomString(Int32, Int32, String, String[])
Returns a randomized string of the number of characters that is supplied.
Declaration
public static string GetRandomString(int length, int delta, string validCharacters, params string[] notValidValues)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The approximate length of the string |
System.Int32 | delta | The variation delta. |
System.String | validCharacters | A string containing the possible characters in the string |
System.String[] | notValidValues | The System.String array that contains the values that the randomized string shouldn't have. |
Returns
Type | Description |
---|---|
System.String | The randomized System.String |
GetRandomString(Int32, String)
Returns a randomized string of the number of characters that is supplied.
Declaration
public static string GetRandomString(int length, string validCharacters)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | length | The approximate length of the string |
System.String | validCharacters | A string containing the possible characters in the string |
Returns
Type | Description |
---|---|
System.String | The randomized System.String |
GetRandomString(Nullable<Int32>)
Gets a random string with an exact length
Declaration
public static string GetRandomString(int? exactLength)
Parameters
Type | Name | Description |
---|---|---|
System.Nullable<System.Int32> | exactLength | The length of the string, null will return null, 0 will return System.String.Empty. |
Returns
Type | Description |
---|---|
System.String | The random string |
GetRandomTimeSpan()
Gets a randomized TimeSpan
Declaration
public static object GetRandomTimeSpan()
Returns
Type | Description |
---|---|
System.Object |
IsTrue(Int32)
Returns true if a randomized number from 1 to 100 is less or equal to the given value.
Declaration
public static bool IsTrue(int percent)
Parameters
Type | Name | Description |
---|---|---|
System.Int32 | percent | The percentage that this method will return true |
Returns
Type | Description |
---|---|
System.Boolean | True if it is true, otherwise false. |
Random<T>(IList<T>)
Declaration
public static T Random<T>(this IList<T> list)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<T> | list |
Returns
Type | Description |
---|---|
T |
Type Parameters
Name | Description |
---|---|
T |
Exceptions
Type | Condition |
---|---|
System.ArgumentException | If cannot select a random item on an empty list. |
Random<T>(IList<T>, Int32)
Declaration
public static IList<T> Random<T>(this IList<T> list, int count)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<T> | list | |
System.Int32 | count |
Returns
Type | Description |
---|---|
System.Collections.Generic.IList<T> |
Type Parameters
Name | Description |
---|---|
T |
Random<TItem, TReturn>(IList<TItem>, Func<TItem, TReturn>)
Selects a random item from the list and calls the supplied function
Declaration
public static TReturn Random<TItem, TReturn>(this IList<TItem> list, Func<TItem, TReturn> func)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<TItem> | list | |
System.Func<TItem, TReturn> | func |
Returns
Type | Description |
---|---|
TReturn |
Type Parameters
Name | Description |
---|---|
TItem | |
TReturn |
Exceptions
Type | Condition |
---|---|
System.ArgumentException | If cannot select a random item on an empty list. |
Random<TItem, TReturn>(IList<TItem>, Int32, Func<TItem, TReturn>)
Declaration
public static IList<TReturn> Random<TItem, TReturn>(this IList<TItem> list, int count, Func<TItem, TReturn> func)
Parameters
Type | Name | Description |
---|---|---|
System.Collections.Generic.IList<TItem> | list | |
System.Int32 | count | |
System.Func<TItem, TReturn> | func |
Returns
Type | Description |
---|---|
System.Collections.Generic.IList<TReturn> |
Type Parameters
Name | Description |
---|---|
TItem | |
TReturn |
Exceptions
Type | Condition |
---|---|
System.ArgumentException | If cannot select a random item on an empty list. |