Microsoft.VisualStudio.TestPlatform.TestFramework

Indicates that a parameter captures the expression passed for another parameter as a string.

Initializes a new instance of the class.

The name of the parameter whose expression should be captured as a string.

Gets the name of the parameter whose expression should be captured as a string.

Indicates that compiler support for a particular feature is required for the location where this attribute is applied.

Initialize a new instance of

The name of the required compiler feature.

The name of the compiler feature.

If true, the compiler can choose to allow access to the location where this attribute is applied if it does not understand .

The used for the ref structs C# feature.

The used for the required members C# feature.

Disables the built-in runtime managed/unmanaged marshalling subsystem for P/Invokes, Delegate types, and unmanaged function pointer invocations.

Reserved to be used by the compiler for tracking metadata. This class should not be used by developers in source code.

Used to indicate to the compiler that a method should be called in its containing module's initializer.

Specifies the priority of a member in overload resolution. When unspecified, the default priority is 0.

Initializes a new instance of the class.

The priority of the attributed member. Higher numbers are prioritized, lower numbers are deprioritized. 0 is the default if no attribute is present.

The priority of the member.

Indicates that a method allows a variable number of arguments in its invocation.

Specifies that a type has required members or that a member is required.

Used to indicate to the compiler that the .locals init flag should not be set in method headers.

Indicates which arguments to a method involving an interpolated string handler should be passed to that handler.

Initializes a new instance of the class.

The name of the argument that should be passed to the handler.

Initializes a new instance of the class.

The names of the arguments that should be passed to the handler.

Gets the names of the arguments that should be passed to the handler.

Indicates the attributed type is to be used as an interpolated string handler.

Base type for all platform-specific API attributes.

Marks APIs that were obsoleted in a given operating system version.

Records the operating system (and minimum version) that supports an API. Multiple attributes can be applied to indicate support on multiple operating systems.

Annotates a custom guard field, property or method with a supported platform name and optional version. Multiple attributes can be applied to indicate guard for multiple supported platforms.

Records the platform that the project targeted.

Marks APIs that were removed in a given operating system version.

Annotates the custom guard field, property or method with an unsupported platform name and optional version. Multiple attributes can be applied to indicate guard for multiple unsupported platforms.

Initializes a new instance of the class.

Initializes a new instance of the class with the specified message.

An optional message associated with this attribute instance.

Returns the optional message associated with this attribute instance.

Returns the optional URL associated with this attribute instance.

An attribute used to indicate a GC transition should be skipped when making an unmanaged function call.

Any method marked with can be directly called from native code. The function token can be loaded to a local variable using the address-of operator in C# and passed as a callback to a native method.

Optional. If omitted, the runtime will use the default platform calling convention.

Optional. If omitted, no named export is emitted during compilation.

Indicates that the specified method parameter expects a constant.

Indicates the minimum bound of the expected constant, inclusive.

Indicates the maximum bound of the expected constant, inclusive.

Indicates that a parameter captures the expression passed for another parameter as a string.

Indicates that an API is experimental and it may change in the future.

Initializes a new instance of the class, specifying the ID that the compiler will use when reporting a use of the API the attribute applies to.

The ID that the compiler will use when reporting a use of the API the attribute applies to.

Gets the ID that the compiler will use when reporting a use of the API the attribute applies to.

The unique diagnostic ID.

Gets or sets the URL for corresponding documentation. The API accepts a format string instead of an actual URL, creating a generic URL that includes the diagnostic ID.

The format string that represents a URL to corresponding documentation.

Indicates that the specified public static boolean get-only property guards access to the specified feature.

Initializes a new instance of the class with the specified feature type.

The type that represents the feature guarded by the property.

[AttributeUsage(AttributeTargets.Property, Inherited = false)]

Initializes a new instance of the class with the specified feature switch name.

The name of the feature switch that provides the value for the specified property.

Specifies that is allowed as an input even if the corresponding type disallows it.

Specifies that is disallowed as an input even if the corresponding type allows it.

Specifies that a method that will never return under any circumstance.

Specifies that the method will not return if the associated parameter is passed the specified value.

Gets the condition parameter value. Code after the method is considered unreachable by diagnostics if the argument to the associated parameter matches this value.

Initializes a new instance of the class with the specified parameter value.

The condition parameter value. Code after the method is considered unreachable by diagnostics if the argument to the associated parameter matches this value.

Specifies that an output may be even if the corresponding type disallows it.

Specifies that when a method returns , the parameter may be even if the corresponding type disallows it.

Gets the return value condition. If the method returns this value, the associated parameter may be .

Initializes the attribute with the specified return value condition.

The return value condition. If the method returns this value, the associated parameter may be .

Specifies that the method or property will ensure that the listed field and property members have not- values.

Gets field or property member names.

Initializes the attribute with a field or property member.

The field or property member that is promised to be not-null.

Initializes the attribute with the list of field and property members.

The list of field and property members that are promised to be not-null.

Specifies that the method or property will ensure that the listed field and property members have non- values when returning with the specified return value condition.

Gets the return value condition.

Gets field or property member names.

Initializes the attribute with the specified return value condition and a field or property member.

The return value condition. If the method returns this value, the associated parameter will not be . The field or property member that is promised to be not-.

Initializes the attribute with the specified return value condition and list of field and property members.

The return value condition. If the method returns this value, the associated parameter will not be . The list of field and property members that are promised to be not-null.

Specifies that an output is not even if the corresponding type allows it.

Gets the associated parameter name. The output will be non- if the argument to the parameter specified is non-.

Initializes the attribute with the associated parameter name.

The associated parameter name. The output will be non- if the argument to the parameter specified is non-.

Specifies that when a method returns , the parameter will not be even if the corresponding type allows it.

Gets the return value condition. If the method returns this value, the associated parameter will not be .

Initializes the attribute with the specified return value condition.

The return value condition. If the method returns this value, the associated parameter will not be .

Specifies that this constructor sets all required members for the current type, and callers do not need to set any required members themselves.

Specifies the syntax used in a string.

Initializes the with the identifier of the syntax used.

The syntax identifier.

Initializes the with the identifier of the syntax used.

The syntax identifier. Optional arguments associated with the specific syntax employed.

Gets the identifier of the syntax used.

Optional arguments associated with the specific syntax employed.

The syntax identifier for strings containing composite formats for string formatting.

The syntax identifier for strings containing date format specifiers.

The syntax identifier for strings containing date and time format specifiers.

The syntax identifier for strings containing format specifiers.

The syntax identifier for strings containing JavaScript Object Notation (JSON).

The syntax identifier for strings containing numeric format specifiers.

The syntax identifier for strings containing regular expressions.

The syntax identifier for strings containing time format specifiers.

The syntax identifier for strings containing format specifiers.

The syntax identifier for strings containing URIs.

The syntax identifier for strings containing XML.

States a dependency that one member has on another.

Initializes a new instance of the class with the specified signature of a member on the same type as the consumer.

The signature of the member depended on.

Initializes a new instance of the class with the specified signature of a member on a .

The signature of the member depended on. The containing .

Initializes a new instance of the class with the specified signature of a member on a type in an assembly.

The signature of the member depended on. The full name of the type containing the specified member. The assembly name of the type containing the specified member.

Initializes a new instance of the class with the specified types of members on a .

The types of members depended on. The containing the specified members.

Initializes a new instance of the class with the specified types of members on a type in an assembly.

The types of members depended on. The full name of the type containing the specified members. The assembly name of the type containing the specified members.

Gets the signature of the member depended on.

Gets the which specifies the type of members depended on.

Gets the containing the specified member.

Gets the full name of the type containing the specified member.

Gets the assembly name of the specified type.

Gets or sets the condition in which the dependency is applicable, e.g. "DEBUG".

Specifies the types of members that are dynamically accessed. This enumeration has a attribute that allows a bitwise combination of its member values.

Specifies no members.

Specifies the default, parameterless public constructor.

Specifies all public constructors.

Specifies all non-public constructors.

Specifies all public methods.

Specifies all non-public methods.

Specifies all public fields.

Specifies all non-public fields.

Specifies all public nested types.

Specifies all non-public nested types.

Specifies all public properties.

Specifies all non-public properties.

Specifies all public events.

Specifies all non-public events.

Specifies all interfaces implemented by the type.

Specifies all members.

Indicates that certain members on a specified are accessed dynamically, for example through .

Initializes a new instance of the class with the specified member types.

The types of members dynamically accessed.

Gets the which specifies the type of members dynamically accessed.

Indicates that the specified method requires the ability to generate new code at runtime, for example through .

Initializes a new instance of the class with the specified message.

A message that contains information about the usage of dynamic code.

Gets a message that contains information about the usage of dynamic code.

Gets or sets an optional URL that contains more information about the method, why it requires dynamic code, and what options a consumer has to deal with it.

Indicates that the specified method requires dynamic access to code that is not referenced statically, for example through .

Initializes a new instance of the class with the specified message.

A message that contains information about the usage of unreferenced code.

Gets a message that contains information about the usage of unreferenced code.

Gets or sets an optional URL that contains more information about the method, why it requires unreferenced code, and what options a consumer has to deal with it.

Suppresses reporting of a specific rule violation, allowing multiple suppressions on a single code artifact.

Initializes a new instance of the class, specifying the category of the tool and the identifier for an analysis rule.

The category for the attribute. The identifier of the analysis rule the attribute applies to.

Gets the category identifying the classification of the attribute.

Gets the identifier of the analysis tool rule to be suppressed.

Gets or sets the scope of the code that is relevant for the attribute.

Gets or sets a fully qualified path that represents the target of the attribute.

Gets or sets an optional argument expanding on exclusion criteria.

Gets or sets the justification for suppressing the code analysis message.

Used to indicate a byref escapes and is not scoped.

If a .NET Debugger is attached that supports the API, the debugger won't break on user-unhandled exceptions when the exception is caught by a method with this attribute, unless is called.

Types and Methods attributed with StackTraceHidden will be omitted from the stack trace text shown in StackTrace.ToString() and Exception.StackTrace

Represents the producer side of a unbound to a delegate, providing access to the consumer side through the property.

Creates a .

Creates a with the specified options.

The options to use when creating the underlying .

Creates a with the specified state.

The state to use as the underlying 's AsyncState.

Creates a with the specified state and options.

The options to use when creating the underlying . The state to use as the underlying 's AsyncState.

Gets the created by this .

Transitions the underlying into the state.

The exception to bind to this .

Transitions the underlying into the state.

The collection of exceptions to bind to this .

Attempts to transition the underlying into the state.

The exception to bind to this . True if the operation was successful; otherwise, false.

Attempts to transition the underlying into the state.

The collection of exceptions to bind to this . True if the operation was successful; otherwise, false.

Transitions the underlying into the state.

Attempts to transition the underlying into the state.

True if the operation was successful; otherwise, false.

Transitions the underlying into the state.

Transitions the underlying into the state using the specified token.

The cancellation token with which to cancel the .

Attempts to transition the underlying into the state.

True if the operation was successful; otherwise, false.

Attempts to transition the underlying into the state.

The cancellation token with which to cancel the . True if the operation was successful; otherwise, false.

Exception thrown when the program executes an instruction that was thought to be unreachable.

Initializes a new instance of the class with the default error message.

Initializes a new instance of the class with a specified error message.

The error message that explains the reason for the exception.

Initializes a new instance of the class with a specified error message and a reference to the inner exception that is the cause of this exception.

The error message that explains the reason for the exception. The exception that is the cause of the current exception.

Creates a new key/value pair instance using provided values.

The key of the new to be created. The value of the new to be created. The type of the key. The type of the value. A key/value pair containing the provided arguments as values.

Provides a way to get mutual exclusion in regions of code between different threads. A lock may be held by one thread at a time.

Enters the lock. Once the method returns, the calling thread would be the only thread that holds the lock.

Tries to enter the lock without waiting. If the lock is entered, the calling thread would be the only thread that holds the lock.

true if the lock was entered, false otherwise.

Tries to enter the lock, waiting for roughly the specified duration. If the lock is entered, the calling thread would be the only thread that holds the lock.

The rough duration for which the method will wait if the lock is not available. The timeout is converted to a number of milliseconds by casting of the timeout to an integer value. A value representing 0 milliseconds specifies that the method should not wait, and a value representing or -1 milliseconds specifies that the method should wait indefinitely until the lock is entered. true if the lock was entered, false otherwise.

Tries to enter the lock, waiting for roughly the specified duration. If the lock is entered, the calling thread would be the only thread that holds the lock.

The rough duration in milliseconds for which the method will wait if the lock is not available. A value of 0 specifies that the method should not wait, and a value of or -1 specifies that the method should wait indefinitely until the lock is entered. true if the lock was entered, false otherwise.

Exits the lock.

Enters the lock and returns a that may be disposed to exit the lock. Once the method returns, the calling thread would be the only thread that holds the lock. This method is intended to be used along with a language construct that would automatically dispose the , such as with the C# using statement.

A that may be disposed to exit the lock.

A disposable structure that is returned by , which when disposed, exits the lock.

Exits the lock.

A class that represents nullability info

The of the member or generic parameter to which this NullabilityInfo belongs

The nullability read state of the member

The nullability write state of the member

If the member type is an array, gives the of the elements of the array, null otherwise

If the member type is a generic type, gives the array of for each type parameter

An enum that represents nullability state

Nullability context not enabled (oblivious)

Non nullable value or reference type

Nullable value or reference type

Provides APIs for populating nullability information/context from reflection members: , , and .

Populates for the given . If the nullablePublicOnly feature is set for an assembly, like it does in .NET SDK, the private and/or internal member's nullability attributes are omitted, in this case the API will return NullabilityState.Unknown state.

The parameter which nullability info gets populated

Populates for the given If the nullablePublicOnly feature is set for an assembly, like it does in .NET SDK, the private and/or internal member's nullability attributes are omitted, in this case the API will return NullabilityState.Unknown state.

The parameter which nullability info gets populated

Tries to parse a string into a value.

Gets an enumerator for the invocation targets of this delegate.

Provides an enumerator for the invocation list of a delegate.

Delegate type being enumerated.

Retrieves an array of the values of the constants in a specified enumeration type.

An array that contains the values of the constants in TEnum.

Returns a telling whether a given integral value exists in a specified enumeration.

The type of the enumeration. The value in . if a given integral value exists in a specified enumeration; , otherwise.

Retrieves an array of the names of the constants in a specified enumeration type.

A string array of the names of the constants in TEnum.

Converts the string representation of the name or numeric value of one or more enumerated constants specified by TEnum to an equivalent enumerated object.

Tries to parse a string into a value.

Creates a new according to RFC 9562, following the Version 7 format.

A new according to RFC 9562, following the Version 7 format.

Creates a new according to RFC 9562, following the Version 7 format.

The date time offset used to determine the Unix Epoch timestamp. A new according to RFC 9562, following the Version 7 format.

Tries to parse a string into a value.

Returns a value that indicates whether the specified path ends in a directory separator.

The path to analyze. true if the path ends in a directory separator; otherwise, false.

Trims one trailing directory separator beyond the root of the specified path.

The path to trim. The path without any trailing directory separators.

Registers a delegate that will be called when this CancellationToken is canceled.

The delegate to be executed when the CancellationToken is canceled. The state to pass to the when the delegate is invoked. This may be null. The instance that can be used to unregister the callback.

Registers a delegate that will be called when this CancellationToken is canceled.

The delegate to be executed when the CancellationToken is canceled. The state to pass to the when the delegate is invoked. This may be null. The instance that can be used to unregister the callback.

Registers a delegate that will be called when this CancellationToken is canceled.

The delegate to be executed when the CancellationToken is canceled. The state to pass to the when the delegate is invoked. This may be null. The instance that can be used to unregister the callback.

Communicates a request for cancellation asynchronously.

Removes all values from the .

Adds a key/value pair to the if the key does not already exist.

The key of the element to add. The function used to generate a value for the key An argument value to pass into . The value for the key. This will be either the existing value for the key if the key is already in the dictionary, or the new value for the key as returned by valueFactory if the key was not in the dictionary.

Removes all values from the .

Gets a value that indicates whether the Delegate has a single invocation target.

Returns a read-only wrapper for the current dictionary.

The type of keys in the dictionary. The type of values in the dictionary. The dictionary to wrap. An object that acts as a read-only wrapper around the current .

Attempts to add the specified key and value to the dictionary.

The key of the element to add. The value of the element to add. It can be . true if the key/value pair was added to the dictionary successfully; otherwise, false.

Removes the value with the specified key from the , and copies the element to the value parameter.

A dictionary with keys of type TKey and values of type TValue. The key of the element to remove. The removed element. The type of the keys in the dictionary. The type of the values in the dictionary. true if the element is successfully found and removed; otherwise, false.

Searches the set for a given value and returns the equal value it finds, if any.

The value to search for. The value from the set that the search found, or the default value of T when the search yielded no match. A value indicating whether the search was successful.

https://learn.microsoft.com/en-us/dotnet/core/whats-new/dotnet-9/overview#linq

Appends a value to the end of the sequence.

A sequence of values. The value to append to . The type of the elements of source. A new sequence that ends with element.

Split the elements of a sequence into chunks of size at most .

An whose elements to chunk. Maximum size of each chunk. The type of the elements of source. An that contains the elements the input sequence split into chunks of size .

https://learn.microsoft.com/en-us/dotnet/core/whats-new/dotnet-9/overview#linq

Returns distinct elements from a sequence according to a specified key selector function.

The type of the elements of . The type of key to distinguish elements by. The sequence to remove duplicate elements from. A function to extract the key for each element. An that contains distinct elements from the source sequence.

Returns distinct elements from a sequence according to a specified key selector function.

The type of the elements of . The type of key to distinguish elements by. The sequence to remove duplicate elements from. A function to extract the key for each element. An to compare keys. An that contains distinct elements from the source sequence.

Produces a set items excluding by using the default equality comparer to compare values.

An whose elements that are not equal to will be returned. An that is elements equal it will cause those elements to be removed from the returned sequence. The type of the elements of . A sequence that contains the items of but excluding .

Produces a set items excluding by using to compare values.

An whose elements that are not equal to will be returned. An that is elements equal it will cause those elements to be removed from the returned sequence. An to compare values. The type of the elements of . A sequence that contains the items of but excluding .

Produces the set difference of two sequences by to compare values.

Produces the set difference of two sequences according to a specified key selector function.

The type of the elements of the input sequence. The type of key to identify elements by. An whose keys that are not also in will be returned. An whose keys that also occur in the first sequence will cause those elements to be removed from the returned sequence. A function to extract the key for each element. A sequence that contains the set difference of the elements of two sequences.

Produces the set difference of two sequences according to a specified key selector function.

The type of the elements of the input sequence. The type of key to identify elements by. An whose keys that are not also in will be returned. An whose keys that also occur in the first sequence will cause those elements to be removed from the returned sequence. A function to extract the key for each element. The to compare values. A sequence that contains the set difference of the elements of two sequences.

Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.

The type of the elements of . An to return an element from. A function to test each element for a condition. The default value to return if the sequence is empty. if is empty or if no element passes the test specified by ; otherwise, the first element in that passes the test specified by .

Returns the first element of a sequence, or a default value if the sequence contains no elements.

The type of the elements of . The to return the first element of. The default value to return if the sequence is empty. if is empty; otherwise, the first element in .

Returns the last element of a sequence, or a default value if the sequence contains no elements.

The type of the elements of . An to return the last element of. The default value to return if the sequence is empty. if the source sequence is empty; otherwise, the last element in the .

Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.

The type of the elements of . An to return an element from. A function to test each element for a condition. The default value to return if the sequence is empty. if the sequence is empty or if no elements pass the test in the predicate function; otherwise, the last element that passes the test in the predicate function.

Returns the maximum value in a generic sequence.

The type of the elements of . A sequence of values to determine the maximum value of. The to compare values. The maximum value in the sequence.

Returns the maximum value in a generic sequence according to a specified key selector function.

The type of the elements of . The type of key to compare elements by. A sequence of values to determine the maximum value of. A function to extract the key for each element. The value with the maximum key in the sequence.

Returns the maximum value in a generic sequence according to a specified key selector function.

The type of the elements of . The type of key to compare elements by. A sequence of values to determine the maximum value of. A function to extract the key for each element. The to compare keys. The value with the maximum key in the sequence.

Returns the minimum value in a generic sequence.

The type of the elements of . A sequence of values to determine the minimum value of. The to compare values. The minimum value in the sequence.

Returns the minimum value in a generic sequence according to a specified key selector function.

The type of the elements of . The type of key to compare elements by. A sequence of values to determine the minby value of. A function to extract the key for each element. The value with the minimum key in the sequence.

Returns the minimum value in a generic sequence according to a specified key selector function.

The type of the elements of . The type of key to compare elements by. A sequence of values to determine the minimum value of. A function to extract the key for each element. The to compare keys. The value with the minimum key in the sequence.

Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.

The type of the elements of . An to return a single element from. A function to test an element for a condition. The default value to return if the sequence is empty. The single element of the input sequence that satisfies the condition, or if no such element is found.

Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.

The type of the elements of . An to return the single element of. The default value to return if the sequence is empty. The single element of the input sequence, or if the sequence contains no elements.

Returns a new enumerable collection that contains the elements from source with the last count elements of the source collection omitted.

An enumerable collection instance. The number of elements to omit from the end of the collection. The type of the elements in the enumerable collection. A new enumerable collection that contains the elements from source minus count elements from the end of the collection.

Returns a new enumerable collection that contains the last count elements from source.

An enumerable collection instance. The number of elements to take from the end of the collection. The type of the elements in the enumerable collection. A new enumerable collection that contains the last count elements from source.

Attempts to determine the number of elements in a sequence without forcing an enumeration.

The type of the elements of . A sequence that contains elements to be counted. When this method returns, contains the count of if successful, or zero if the method failed to determine the count. if the count of can be determined without enumeration; otherwise, .

Tries to get the value associated with the specified key in the dictionary.

A dictionary with keys of type TKey and values of type TValue. The key of the value to get. The type of the keys in the dictionary. The type of the values in the dictionary. A TValue instance. When the method is successful, the returned object is the value associated with the specified key. When the method fails, it returns the default value for TValue.

Tries to get the value associated with the specified key in the dictionary.

A dictionary with keys of type TKey and values of type TValue. The key of the value to get. A dictionary with keys of type TKey and values of type TValue. The type of the keys in the dictionary. The type of the values in the dictionary. A TValue instance. When the method is successful, the returned object is the value associated with the specified key. When the method fails, it returns the default value for TValue.

Deconstructs the current

The key of the current . The value of the current .

Returns a read-only wrapper for the current collection.

An object that acts as a read-only wrapper around the current .

Gets the nanosecond component of the time represented by the current object.

Gets the microsecond component of the time represented by the current object.

Returns a new object that adds a specified number of microseconds to the value of this instance..

Instructs the Process component to wait for the associated process to exit, or for the to be canceled.

A task that will complete when the process has exited, cancellation has been requested, or an error occurs.

Performs an in-place shuffle of an array.

The array to shuffle. The type of array.

Gets the key corresponding to the specified index.

The zero-based index of the key within the entire . The key corresponding to the specified index.

Gets the value corresponding to the specified index.

The zero-based index of the value within the entire . The value corresponding to the specified index.

Asynchronously reads the bytes from the current stream and writes them to another stream, using a specified cancellation token. Both streams positions are advanced by the number of bytes copied.

The stream to which the contents of the current stream will be copied. The token to monitor for cancellation requests. The default value is . A task that represents the asynchronous copy operation.

Returns the hash code for this string using the specified rules.

One of the enumeration values that specifies the rules to use in the comparison. A 32-bit signed integer hash code.

Returns a value indicating whether a specified character occurs within this string, using the specified comparison rules.

The character to seek. One of the enumeration values that specifies the rules to use in the comparison. true if the value parameter occurs within this string; otherwise, false.

Reports the zero-based index of the first occurrence of the specified Unicode character in this string. A parameter specifies the type of search to use for the specified character.

The character to seek. An enumeration value that specifies the rules for the search. The zero-based index of value if that character is found, or -1 if it is not.

Returns a value indicating whether a specified string occurs within this string, using the specified comparison rules.

The string to seek. One of the enumeration values that specifies the rules to use in the comparison. true if the value parameter occurs within this string, or if value is the empty string (""); otherwise, false.

Determines whether this string instance starts with the specified character.

The character to compare. true if value matches the beginning of this string; otherwise, false.

Returns a value indicating whether a specified character occurs within this string.

The character to seek. true if the value parameter occurs within this string; otherwise, false.

Splits a string into a maximum number of substrings based on a specified delimiting character and, optionally, options. Splits a string into a maximum number of substrings based on the provided character separator, optionally omitting empty substrings from the result.

A character that delimits the substrings in this instance. A bitwise combination of the enumeration values that specifies whether to trim substrings and include empty substrings. An array that contains at most count substrings from this instance that are delimited by separator.

A character that delimits the substrings in this instance. The maximum number of elements expected in the array. A bitwise combination of the enumeration values that specifies whether to trim substrings and include empty substrings. An array that contains at most count substrings from this instance that are delimited by separator.

Returns a value indicating whether a specified character occurs within this string.

true if the value parameter occurs within this string; otherwise, false.

Replaces all newline sequences in the current string with .

A string whose contents match the current string, but with all newline sequences replaced with .

Replaces all newline sequences in the current string with .

A string whose contents match the current string, but with all newline sequences replaced with .

Appends a copy of a substring within a specified string builder to this instance.

The string builder that contains the substring to append. The starting position of the substring within value. The number of characters in value to append. A reference to this instance after the append operation is completed.

Concatenates the strings of the provided array, using the specified separator between each string, then appends the result to the current instance of the string builder.

The string to use as a separator. separator is included in the joined strings only if values has more than one element. An array that contains the strings to concatenate and append to the current instance of the string builder. A reference to this instance after the append operation has completed.

Concatenates the string representations of the elements in the provided array of objects, using the specified separator between each member, then appends the result to the current instance of the string builder.

Concatenates the strings of the provided array, using the specified char separator between each string, then appends the result to the current instance of the string builder.

The character to use as a separator. separator is included in the joined strings only if values has more than one element. An array that contains the strings to concatenate and append to the current instance of the string builder. A reference to this instance after the append operation has completed.

Concatenates the string representations of the elements in the provided array of objects, using the specified char separator between each member, then appends the result to the current instance of the string builder.

Concatenates and appends the members of a collection, using the specified char separator between each member.

The character to use as a separator. separator is included in the joined strings only if values has more than one element. A collection that contains the objects to concatenate and append to the current instance of the string builder. A reference to this instance after the append operation has completed.

Concatenates and appends the members of a collection, using the specified char separator between each member.

The string to use as a separator. separator is included in the concatenated and appended strings only if values has more than one element. A collection that contains the objects to concatenate and append to the current instance of the string builder. A reference to this instance after the append operation has completed.

Gets a that will complete when this completes or when the specified has cancellation requested.

The to monitor for a cancellation request. The representing the asynchronous wait. It may or may not be the same instance as the current instance.

Gets a that will complete when this completes or when the specified timeout expires.

The timeout after which the should be faulted with a if it hasn't otherwise completed. The representing the asynchronous wait. It may or may not be the same instance as the current instance.

Gets a that will complete when this completes, when the specified timeout expires, or when the specified has cancellation requested.

The timeout after which the should be faulted with a if it hasn't otherwise completed. The to monitor for a cancellation request. The representing the asynchronous wait. It may or may not be the same instance as the current instance.

Gets a that will complete when this completes, or when the specified has cancellation requested.

The to monitor for a cancellation request. The representing the asynchronous wait. It may or may not be the same instance as the current instance.

Gets a that will complete when this completes, or when the specified timeout expires.

The timeout after which the should be faulted with a if it hasn't otherwise completed. The representing the asynchronous wait. It may or may not be the same instance as the current instance.

Gets a that will complete when this completes, when the specified timeout expires, or when the specified has cancellation requested.

Transitions the underlying into the state using the specified token.

The cancellation token with which to cancel the .

Reads all characters from the current position to the end of the stream asynchronously and returns them as one string.

The token to monitor for cancellation requests. A task that represents the asynchronous read operation. The value of the TResult parameter contains a string with the characters from the current position to the end of the stream.

Reads a line of characters asynchronously and returns the data as a string.

The token to monitor for cancellation requests. A value task that represents the asynchronous read operation. The value of the TResult parameter contains the next line from the text reader, or is if all of the characters have been read.

Asynchronously clears all buffers for the current writer and causes any buffered data to be written to the underlying device.

The to monitor for cancellation requests. A that represents the asynchronous flush operation.

Equivalent to Write(stringBuilder.ToString()) however it uses the StringBuilder.GetChunks() method to avoid creating the intermediate string

The string (as a StringBuilder) to write to the stream

Equivalent to WriteAsync(stringBuilder.ToString()) however it uses the StringBuilder.GetChunks() method to avoid creating the intermediate string

The string (as a StringBuilder) to write to the stream The token to monitor for cancellation requests.

Gets a value that indicates whether the current Type represents a type parameter in the definition of a generic method.

Generic version of Type.IsAssignableTo https://learn.microsoft.com/en-us/dotnet/api/system.type.isassignableto.

Generic version of Type.IsAssignableFrom https://learn.microsoft.com/en-us/dotnet/api/system.type.isassignablefrom.

Determines whether the current type can be assigned to a variable of the specified targetType.

Searches for the MemberInfo on the current Type that matches the specified MemberInfo.

The MemberInfo to find on the current Type. The MemberInfo to find on the current Type. An object representing the member on the current Type that matches the specified member.

Output this to an .

The to output the XML to. A cancellation token.

Output this to a .

The to output the XML to. If SaveOptions.DisableFormatting is enabled the output is not indented. If SaveOptions.OmitDuplicateNamespaces is enabled duplicate namespace declarations will be removed. A cancellation token.

Output this to a .

Provides a thread-safe Random instance that may be used concurrently from any thread.

Concatenates an array of strings, using the specified separator between each member.

Concatenates the string representations of an array of objects, using the specified separator between each member.

Concatenates the specified elements of a string array, using the specified separator between each element.

A collection of helper classes to test various conditions within unit tests. If the condition being tested is not met, an exception is thrown.

Tests whether the specified values are equal and throws an exception if the two values are not equal. The equality is computed using the default .

The type of values to compare. The first value to compare. This is the value the tests expects. The second value to compare. This is the value produced by the code under test. Thrown if is not equal to .

Tests whether the specified values are equal and throws an exception if the two values are not equal. The equality is computed using the default .

The type of values to compare. The first value to compare. This is the value the tests expects. The second value to compare. This is the value produced by the code under test. The message to include in the exception when is not equal to . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified values are equal and throws an exception if the two values are not equal. The equality is computed using the provided parameter.

The type of values to compare. The first value to compare. This is the value the tests expects. The second value to compare. This is the value produced by the code under test. The implementation to use when comparing keys, or null to use the default . The message to include in the exception when is not equal to . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified values are equal and throws an exception if the two values are not equal. The equality is computed using the default .

Tests whether the specified values are equal and throws an exception if the two values are not equal. The equality is computed using the provided parameter.

Tests whether the specified values are equal and throws an exception if the two values are not equal. The equality is computed using the default .

Tests whether the specified values are unequal and throws an exception if the two values are equal. The equality is computed using the default .

Tests whether the specified values are unequal and throws an exception if the two values are equal. The equality is computed using the provided parameter.

Tests whether the specified values are unequal and throws an exception if the two values are equal. The equality is computed using the default .

The type of values to compare. The first value to compare. This is the value the test expects not to match . The second value to compare. This is the value produced by the code under test. The message to include in the exception when is equal to . The message is shown in test results. Thrown if is equal to .

Tests whether the specified values are unequal and throws an exception if the two values are equal. The equality is computed using the provided parameter.

The type of values to compare. The first value to compare. This is the value the test expects not to match . The second value to compare. This is the value produced by the code under test. The implementation to use when comparing keys, or null to use the default . The message to include in the exception when is equal to . The message is shown in test results. Thrown if is equal to .

Tests whether the specified values are unequal and throws an exception if the two values are equal. The equality is computed using the default .

Tests whether the specified values are unequal and throws an exception if the two values are equal. The equality is computed using the provided parameter.

The type of values to compare. The first value to compare. This is the value the test expects not to match . The second value to compare. This is the value produced by the code under test. The implementation to use when comparing keys, or null to use the default . The message to include in the exception when is equal to . The message is shown in test results. An array of parameters to use when formatting . Thrown if is equal to .

Tests whether the specified floats are equal and throws an exception if they are not equal.

The first float to compare. This is the float the tests expects. The second float to compare. This is the float produced by the code under test. The required accuracy. An exception will be thrown only if is different than by more than . The message to include in the exception when is different than by more than . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified floats are equal and throws an exception if they are not equal.

Tests whether the specified floats are unequal and throws an exception if they are equal.

The first float to compare. This is the float the test expects not to match . The second float to compare. This is the float produced by the code under test. The required accuracy. An exception will be thrown only if is different than by at most . The message to include in the exception when is equal to or different by less than . The message is shown in test results. Thrown if is equal to .

Tests whether the specified floats are unequal and throws an exception if they are equal.

Tests whether the specified decimals are equal and throws an exception if they are not equal.

The first decimal to compare. This is the decimal the tests expects. The second decimal to compare. This is the decimal produced by the code under test. The required accuracy. An exception will be thrown only if is different than by more than . The message to include in the exception when is different than by more than . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified decimals are equal and throws an exception if they are not equal.

Tests whether the specified decimals are unequal and throws an exception if they are equal.

The first decimal to compare. This is the decimal the test expects not to match . The second decimal to compare. This is the decimal produced by the code under test. The required accuracy. An exception will be thrown only if is different than by at most . The message to include in the exception when is equal to or different by less than . The message is shown in test results. Thrown if is equal to .

Tests whether the specified decimals are unequal and throws an exception if they are equal.

Tests whether the specified longs are equal and throws an exception if they are not equal.

The first long to compare. This is the long the tests expects. The second long to compare. This is the long produced by the code under test. The required accuracy. An exception will be thrown only if is different than by more than . The message to include in the exception when is different than by more than . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified longs are equal and throws an exception if they are not equal.

Tests whether the specified longs are unequal and throws an exception if they are equal.

The first long to compare. This is the long the test expects not to match . The second long to compare. This is the long produced by the code under test. The required accuracy. An exception will be thrown only if is different than by at most . The message to include in the exception when is equal to or different by less than . The message is shown in test results. Thrown if is equal to .

Tests whether the specified longs are unequal and throws an exception if they are equal.

Tests whether the specified doubles are equal and throws an exception if they are not equal.

The first double to compare. This is the double the tests expects. The second double to compare. This is the double produced by the code under test. The required accuracy. An exception will be thrown only if is different than by more than . The message to include in the exception when is different than by more than . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified doubles are equal and throws an exception if they are not equal.

Tests whether the specified doubles are unequal and throws an exception if they are equal.

The first double to compare. This is the double the test expects not to match . The second double to compare. This is the double produced by the code under test. The required accuracy. An exception will be thrown only if is different than by at most . The message to include in the exception when is equal to or different by less than . The message is shown in test results. Thrown if is equal to .

Tests whether the specified doubles are unequal and throws an exception if they are equal.

Tests whether the specified strings are equal and throws an exception if they are not equal. The invariant culture is used for the comparison.

The first string to compare. This is the string the tests expects. The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) The message to include in the exception when is not equal to . The message is shown in test results. An array of parameters to use when formatting . Thrown if is not equal to .

Tests whether the specified strings are equal and throws an exception if they are not equal.

The first string to compare. This is the string the tests expects. The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) A CultureInfo object that supplies culture-specific comparison information. If culture is null, the current culture is used. Thrown if is not equal to .

Tests whether the specified strings are equal and throws an exception if they are not equal.

The first string to compare. This is the string the tests expects. The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) A CultureInfo object that supplies culture-specific comparison information. If culture is null, the current culture is used. The message to include in the exception when is not equal to . The message is shown in test results. Thrown if is not equal to .

Tests whether the specified strings are equal and throws an exception if they are not equal.

The first string to compare. This is the string the tests expects. The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) A CultureInfo object that supplies culture-specific comparison information. If culture is null, the current culture is used. The message to include in the exception when is not equal to . The message is shown in test results. An array of parameters to use when formatting . Thrown if is not equal to .

Tests whether the specified strings are unequal and throws an exception if they are equal. The invariant culture is used for the comparison.

The first string to compare. This is the string the test expects not to match . The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) The message to include in the exception when is equal to . The message is shown in test results. An array of parameters to use when formatting . Thrown if is equal to .

Tests whether the specified strings are unequal and throws an exception if they are equal.

The first string to compare. This is the string the test expects not to match . The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) A CultureInfo object that supplies culture-specific comparison information. If culture is null, the current culture is used. Thrown if is equal to .

Tests whether the specified strings are unequal and throws an exception if they are equal.

The first string to compare. This is the string the test expects not to match . The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) A CultureInfo object that supplies culture-specific comparison information. If culture is null, the current culture is used. The message to include in the exception when is equal to . The message is shown in test results. Thrown if is equal to .

Tests whether the specified strings are unequal and throws an exception if they are equal.

The first string to compare. This is the string the test expects not to match . The second string to compare. This is the string produced by the code under test. A Boolean indicating a case-sensitive or insensitive comparison. (true indicates a case-insensitive comparison.) A CultureInfo object that supplies culture-specific comparison information. If culture is null, the current culture is used. The message to include in the exception when is equal to . The message is shown in test results. An array of parameters to use when formatting . Thrown if is equal to .

Tests whether the specified objects both refer to the same object and throws an exception if the two inputs do not refer to the same object.

The type of values to compare. The first object to compare. This is the value the test expects. The second object to compare. This is the value produced by the code under test. Thrown if does not refer to the same object as .

Tests whether the specified objects both refer to the same object and throws an exception if the two inputs do not refer to the same object.

The type of values to compare. The first object to compare. This is the value the test expects. The second object to compare. This is the value produced by the code under test. The message to include in the exception when is not the same as . The message is shown in test results. Thrown if does not refer to the same object as .

Tests whether the specified objects both refer to the same object and throws an exception if the two inputs do not refer to the same object.

Tests whether the specified objects refer to different objects and throws an exception if the two inputs refer to the same object.

The type of values to compare. The first object to compare. This is the value the test expects not to match . The second object to compare. This is the value produced by the code under test. The message to include in the exception when is the same as . The message is shown in test results. Thrown if refers to the same object as .

Tests whether the specified objects refer to different objects and throws an exception if the two inputs refer to the same object.

Tests whether the specified collection contains exactly one element.

The type of the collection items. The collection. The item.

Tests whether the specified collection contains exactly one element.

The type of the collection items. The collection. The message to display when the assertion fails. The item.

Tests whether the specified collection contains exactly one element.

The type of the collection items. The collection. The message to display when the assertion fails. The item.

Tests whether the specified collection contains exactly one element.

The type of the collection items. The collection. The message format to display when the assertion fails. The parameters to format the message. The item.

Tests whether the specified collection contains the given element.

The type of the collection items. The expected item. The collection.

Tests whether the specified collection contains the given element.

The type of the collection items. The expected item. The collection. The message to display when the assertion fails.

Tests whether the specified collection contains the given element.

The type of the collection items. The expected item. The collection. The message format to display when the assertion fails. The parameters to format the message.

Tests whether the specified collection contains the given element.

The type of the collection items. The expected item. The collection. An equality comparer to compare values.

Tests whether the specified collection contains the given element.

The type of the collection items. The expected item. The collection. An equality comparer to compare values. The message to display when the assertion fails.

Tests whether the specified collection contains the given element.

The type of the collection items. The expected item. The collection. An equality comparer to compare values. The message to display when the assertion fails. The parameters to format the message.

Tests whether the specified collection contains the given element.

The type of the collection items. A function to test each element for a condition. The collection.

Tests whether the specified collection contains the given element.

The type of the collection items. The collection. A function to test each element for a condition. The message to display when the assertion fails.

Tests whether the specified collection contains the given element.

The type of the collection items. A function to test each element for a condition. The collection. The message format to display when the assertion fails. The parameters to format the message.

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

The string expected to occur within . The string that is expected to contain . is null, or is null, or does not contain .

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

The string expected to occur within . The string that is expected to contain . The message to include in the exception when is not in . The message is shown in test results. is null, or is null, or does not contain .

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

The string expected to occur within . The string that is expected to contain . The message to include in the exception when is not in . The message is shown in test results. An array of parameters to use when formatting . is null, or is null, or does not contain .

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

The string expected to occur within . The string that is expected to contain . The comparison method to compare strings . is null, or is null, or does not contain .

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

The string expected to occur within . The string that is expected to contain . The comparison method to compare strings . The message to include in the exception when is not in . The message is shown in test results. is null, or is null, or does not contain .

Tests whether the specified string contains the specified substring and throws an exception if the substring does not occur within the test string.

Tests whether the specified collection does not contain the specified item.

The type of the collection items. The expected item. The collection.

Tests whether the specified collection does not contain the specified item.

The type of the collection items. The expected item. The collection. The message to display when the assertion fails.

Tests whether the specified collection does not contain the specified item.

The type of the collection items. The expected item. The collection. The message to display when the assertion fails. The parameters to format the message.