xunit.assert

Contains various static methods that are used to verify that conditions are met during the process of running tests.

Initializes a new instance of the class.

Do not call this method.

Verifies that the condition is false.

The condition to be tested Thrown if the condition is not false

Verifies that the condition is false.

The condition to be tested Thrown if the condition is not false

Verifies that the condition is false.

The condition to be tested The message to show when the condition is not false Thrown if the condition is not false

Verifies that the condition is false.

The condition to be tested The message to show when the condition is not false Thrown if the condition is not false

Verifies that an expression is true.

The condition to be inspected Thrown when the condition is false

Verifies that an expression is true.

The condition to be inspected Thrown when the condition is false

Verifies that an expression is true.

The condition to be inspected The message to be shown when the condition is false Thrown when the condition is false

Verifies that an expression is true.

The condition to be inspected The message to be shown when the condition is false Thrown when the condition is false

Verifies that all items in the collection pass when executed against action.

The type of the object to be verified The collection The action to test each item against Thrown when the collection contains at least one non-matching element

Verifies that a collection contains exactly a given number of elements, which meet the criteria provided by the element inspectors.

The type of the object to be verified The collection to be inspected The element inspectors, which inspect each element in turn. The total number of element inspectors must exactly match the number of elements in the collection.

Verifies that a collection contains a given object.

The type of the object to be verified The object expected to be in the collection The collection to be inspected Thrown when the object is not present in the collection

Verifies that a collection contains a given object, using an equality comparer.

The type of the object to be verified The object expected to be in the collection The collection to be inspected The comparer used to equate objects in the collection with the expected object Thrown when the object is not present in the collection

Verifies that a collection contains a given object.

The type of the object to be verified The collection to be inspected The filter used to find the item you're ensuring the collection contains Thrown when the object is not present in the collection

Verifies that a collection does not contain a given object.

The type of the object to be compared The object that is expected not to be in the collection The collection to be inspected Thrown when the object is present inside the container

Verifies that a collection does not contain a given object, using an equality comparer.

The type of the object to be compared The object that is expected not to be in the collection The collection to be inspected The comparer used to equate objects in the collection with the expected object Thrown when the object is present inside the container

Verifies that a collection does not contain a given object.

The type of the object to be compared The collection to be inspected The filter used to find the item you're ensuring the collection does not contain Thrown when the object is present inside the container

Verifies that a collection is empty.

The collection to be inspected Thrown when the collection is null Thrown when the collection is not empty

Verifies that two sequences are equivalent, using a default comparer.

The type of the objects to be compared The expected value The value to be compared against Thrown when the objects are not equal

Verifies that two sequences are equivalent, using a custom equatable comparer.

The type of the objects to be compared The expected value The value to be compared against The comparer used to compare the two objects Thrown when the objects are not equal

Verifies that a collection is not empty.

The collection to be inspected Thrown when a null collection is passed Thrown when the collection is empty

Verifies that two sequences are not equivalent, using a default comparer.

The type of the objects to be compared The expected object The actual object Thrown when the objects are equal

Verifies that two sequences are not equivalent, using a custom equality comparer.

The type of the objects to be compared The expected object The actual object The comparer used to compare the two objects Thrown when the objects are equal

Verifies that the given collection contains only a single element of the given type.

The collection. The single item in the collection. Thrown when the collection does not contain exactly one element.

Verifies that the given collection contains only a single element of the given value. The collection may or may not contain other values.

The collection. The value to find in the collection. The single item in the collection. Thrown when the collection does not contain exactly one element.

Verifies that the given collection contains only a single element of the given type.

The collection type. The collection. The single item in the collection. Thrown when the collection does not contain exactly one element.

Verifies that the given collection contains only a single element of the given type which matches the given predicate. The collection may or may not contain other values which do not match the given predicate.

The collection type. The collection. The item matching predicate. The single item in the filtered collection. Thrown when the filtered collection does not contain exactly one element.

Verifies that two objects are equal, using a default comparer.

The type of the objects to be compared The expected value The value to be compared against Thrown when the objects are not equal

Verifies that two objects are equal, using a custom equatable comparer.

The type of the objects to be compared The expected value The value to be compared against The comparer used to compare the two objects Thrown when the objects are not equal

Verifies that two values are equal, within the number of decimal places given by .

The expected value The value to be compared against The number of decimal places (valid values: 0-15) Thrown when the values are not equal

Verifies that two values are equal, within the number of decimal places given by .

The expected value The value to be compared against The number of decimal places (valid values: 0-15) Thrown when the values are not equal

Verifies that two objects are strictly equal, using the type's default comparer.

The type of the objects to be compared The expected value The value to be compared against Thrown when the objects are not equal

Verifies that two objects are not equal, using a default comparer.

The type of the objects to be compared The expected object The actual object Thrown when the objects are equal

Verifies that two objects are not equal, using a custom equality comparer.

The type of the objects to be compared The expected object The actual object The comparer used to examine the objects Thrown when the objects are equal

Verifies that two values are not equal, within the number of decimal places given by .

The expected value The value to be compared against The number of decimal places (valid values: 0-15) Thrown when the values are equal

Verifies that two values are not equal, within the number of decimal places given by .

The expected value The value to be compared against The number of decimal places (valid values: 0-15) Thrown when the values are equal

Verifies that two objects are strictly not equal, using the type's default comparer.

The type of the objects to be compared The expected object The actual object Thrown when the objects are equal

Verifies that the exact exception is thrown (and not a derived exception type).

The type of the exception expected to be thrown A delegate to the code to be tested The exception that was thrown, when successful Thrown when an exception was not thrown, or when an exception of the incorrect type is thrown

Verifies that the exact exception is thrown (and not a derived exception type). Generally used to test property accessors.

Verifies that the exact exception is thrown (and not a derived exception type).

The type of the exception expected to be thrown A delegate to the task to be tested The exception that was thrown, when successful Thrown when an exception was not thrown, or when an exception of the incorrect type is thrown

Verifies that the exact exception or a derived exception type is thrown.

Verifies that the exact exception or a derived exception type is thrown. Generally used to test property accessors.

Verifies that the exact exception or a derived exception type is thrown.

Verifies that the exact exception is thrown (and not a derived exception type).

Verifies that the exact exception is thrown (and not a derived exception type). Generally used to test property accessors.

Verifies that the exact exception is thrown (and not a derived exception type).

Verifies that the exact exception is thrown (and not a derived exception type), where the exception derives from and has the given parameter name.

The parameter name that is expected to be in the exception A delegate to the code to be tested The exception that was thrown, when successful Thrown when an exception was not thrown, or when an exception of the incorrect type is thrown

Verifies that the exact exception is thrown (and not a derived exception type), where the exception derives from and has the given parameter name.

The parameter name that is expected to be in the exception A delegate to the task to be tested The exception that was thrown, when successful Thrown when an exception was not thrown, or when an exception of the incorrect type is thrown

Records any exception which is thrown by the given code.

The code which may thrown an exception. Returns the exception that was thrown by the code; null, otherwise.

Records any exception which is thrown by the given code that has a return value. Generally used for testing property accessors.

The code which may thrown an exception. Returns the exception that was thrown by the code; null, otherwise.

Records any exception which is thrown by the given task.

The task which may thrown an exception. Returns the exception that was thrown by the code; null, otherwise.

Verifies that two objects are not the same instance.

The expected object instance The actual object instance Thrown when the objects are the same instance

Verifies that two objects are the same instance.

The expected object instance The actual object instance Thrown when the objects are not the same instance

Verifies that an object reference is not null.

The object to be validated Thrown when the object is not null

Verifies that an object reference is null.

The object to be inspected Thrown when the object reference is not null

Verifies that the provided object raised INotifyPropertyChanged.PropertyChanged as a result of executing the given test code.

The object which should raise the notification The property name for which the notification should be raised The test code which should cause the notification to be raised Thrown when the notification is not raised

Verifies that a value is within a given range.

The type of the value to be compared The actual value to be evaluated The (inclusive) low value of the range The (inclusive) high value of the range Thrown when the value is not in the given range

Verifies that a value is within a given range, using a comparer.

The type of the value to be compared The actual value to be evaluated The (inclusive) low value of the range The (inclusive) high value of the range The comparer used to evaluate the value's range Thrown when the value is not in the given range

Verifies that a value is not within a given range, using the default comparer.

The type of the value to be compared The actual value to be evaluated The (inclusive) low value of the range The (inclusive) high value of the range Thrown when the value is in the given range

Verifies that a value is not within a given range, using a comparer.

Verifies that a set is a proper subset of another set.

The type of the object to be verified The expected superset The set expected to be a proper subset Thrown when the actual set is not a proper subset of the expected set

Verifies that a set is a proper superset of another set.

The type of the object to be verified The expected subset The set expected to be a proper superset Thrown when the actual set is not a proper superset of the expected set

Verifies that a set is a subset of another set.

The type of the object to be verified The expected superset The set expected to be a subset Thrown when the actual set is not a subset of the expected set

Verifies that a set is a superset of another set.

The type of the object to be verified The expected subset The set expected to be a superset Thrown when the actual set is not a superset of the expected set

Verifies that a string contains a given sub-string, using the current culture.

The sub-string expected to be in the string The string to be inspected Thrown when the sub-string is not present inside the string

Verifies that a string contains a given sub-string, using the given comparison type.

The sub-string expected to be in the string The string to be inspected The type of string comparison to perform Thrown when the sub-string is not present inside the string

Verifies that a string does not contain a given sub-string, using the current culture.

The sub-string which is expected not to be in the string The string to be inspected Thrown when the sub-string is present inside the string

Verifies that a string does not contain a given sub-string, using the current culture.

The sub-string which is expected not to be in the string The string to be inspected The type of string comparison to perform Thrown when the sub-string is present inside the given string

Verifies that a string starts with a given string, using the current culture.

The string expected to be at the start of the string The string to be inspected Thrown when the string does not start with the expected string

Verifies that a string starts with a given string, using the given comparison type.

The string expected to be at the start of the string The string to be inspected The type of string comparison to perform Thrown when the string does not start with the expected string

Verifies that a string ends with a given string, using the current culture.

The string expected to be at the end of the string The string to be inspected Thrown when the string does not end with the expected string

Verifies that a string ends with a given string, using the given comparison type.

The string expected to be at the end of the string The string to be inspected The type of string comparison to perform Thrown when the string does not end with the expected string

Verifies that a string matches a regular expression.

The regex pattern expected to match The string to be inspected Thrown when the string does not match the regex pattern

Verifies that a string matches a regular expression.

The regex expected to match The string to be inspected Thrown when the string does not match the regex

Verifies that a string does not match a regular expression.

The regex pattern expected not to match The string to be inspected Thrown when the string matches the regex pattern

Verifies that a string does not match a regular expression.

The regex expected not to match The string to be inspected Thrown when the string matches the regex

Verifies that two strings are equivalent.

The expected string value. The actual string value. Thrown when the strings are not equivalent.

Verifies that two strings are equivalent.

The expected string value. The actual string value. If set to true, ignores cases differences. The invariant culture is used. If set to true, treats \r\n, \r, and \n as equivalent. If set to true, treats spaces and tabs (in any non-zero quantity) as equivalent. Thrown when the strings are not equivalent.

Verifies that an object is of the given type or a derived type.

The type the object should be The object to be evaluated The object, casted to type T when successful Thrown when the object is not the given type

Verifies that an object is of the given type or a derived type.

The type the object should be The object to be evaluated Thrown when the object is not the given type

Verifies that an object is not exactly the given type.

The type the object should not be The object to be evaluated Thrown when the object is the given type

Verifies that an object is not exactly the given type.

The type the object should not be The object to be evaluated Thrown when the object is the given type

Verifies that an object is exactly the given type (and not a derived type).

The type the object should be The object to be evaluated The object, casted to type T when successful Thrown when the object is not the given type

Verifies that an object is exactly the given type (and not a derived type).

The type the object should be The object to be evaluated Thrown when the object is not the given type

Formats arguments for display in theories.

Format the value for presentation.

The value to be formatted. The formatted value.

Default implementation of used by the xUnit.net range assertions.

The type that is being compared.

Default implementation of used by the xUnit.net equality assertions.

The type that is being compared.

Initializes a new instance of the class.

Set to true to skip type equality checks. The inner comparer to be used when the compared objects are enumerable.

A class that wraps to create .

The type that is being compared.

Initializes a new instance of the class.

The comparer that is being adapted.

Base class for exceptions that have actual and expected values

Creates a new instance of the class.

The expected value The actual value The user message to be shown The title to use for the expected value (defaults to "Expected") The title to use for the actual value (defaults to "Actual")

Gets the actual value.

Gets the title used for the actual value.

Gets the expected value.

Gets the title used for the expected value.

Gets a message that describes the current exception. Includes the expected and actual values.

The error message that explains the reason for the exception, or an empty string(""). 1

Exception thrown when the collection did not contain exactly the given number element.

Initializes a new instance of the class.

The expected number of items in the collection. The actual number of items in the collection.

Exception thrown when Assert.Collection fails.

Creates a new instance of the class.

The expected number of items in the collection. The actual number of items in the collection. The index of the position where the first comparison failure occurred. The exception that was thrown during the comparison failure.

The actual number of items in the collection.

The expected number of items in the collection.

The index of the position where the first comparison failure occurred, or -1 if comparisions did not occur (because the actual and expected counts differed).

Exception thrown when an All assertion has one or more items fail an assertion.

Creates a new instance of the class.

The total number of items that were in the collection. The list of errors that occurred during the test pass.

The errors that occurred during execution of the test.

Exception thrown when a collection unexpectedly does not contain the expected value.

Creates a new instance of the class.

The expected object value The actual value

Exception thrown when a collection unexpectedly contains the expected value.

Creates a new instance of the class.

The expected object value The actual value

Exception thrown when a string unexpectedly matches a regular expression.

Creates a new instance of the class.

The regular expression pattern expected not to match The actual value

Exception thrown when a collection is unexpectedly not empty.

Creates a new instance of the class.

Exception thrown when a string does not end with the expected value.

Creates a new instance of the class.

The expected string value The actual value

Exception thrown when two values are unexpectedly not equal.

Creates a new instance of the class.

The expected object value The actual object value

Creates a new instance of the class for string comparisons.

The expected string value The actual string value The first index in the expected string where the strings differ The first index in the actual string where the strings differ

Gets the index into the actual value where the values first differed. Returns -1 if the difference index points were not provided.

Gets the index into the expected value where the values first differed. Returns -1 if the difference index points were not provided.

Exception thrown when a value is unexpectedly true.

Creates a new instance of the class.

The user message to be display, or null for the default message The actual value

Exception thrown when a value is unexpectedly not in the given range.

Creates a new instance of the class.

The actual object value The low value of the range The high value of the range

Gets the actual object value

Gets the high value of the range

Gets the low value of the range

Gets a message that describes the current exception.

The error message that explains the reason for the exception, or an empty string("").

Exception thrown when the value is unexpectedly not of the given type or a derived type.

Creates a new instance of the class.

The expected type The actual object value

Exception thrown when the value is unexpectedly of the exact given type.

Creates a new instance of the class.

The expected type The actual object value

Exception thrown when the value is unexpectedly not of the exact given type.

Creates a new instance of the class.

The expected type name The actual type name

Exception thrown when a string does not match a regular expression.

Creates a new instance of the class.

The expected regular expression pattern The actual value

Exception thrown when a collection is unexpectedly empty.

Creates a new instance of the class.

Exception thrown when two values are unexpectedly equal.

Creates a new instance of the class.

Exception thrown when a value is unexpectedly in the given range.

Creates a new instance of the class.

The actual object value The low value of the range The high value of the range

Gets the actual object value

Gets the high value of the range

Gets the low value of the range

Gets a message that describes the current exception.

The error message that explains the reason for the exception, or an empty string("").

Exception thrown when an object is unexpectedly null.

Creates a new instance of the class.

Exception thrown when two values are unexpected the same instance.

Creates a new instance of the class.

Exception thrown when an object reference is unexpectedly not null.

Creates a new instance of the class.

Exception to be thrown from theory execution when the number of parameter values does not the test method signature.

Exception thrown when a set is not a proper subset of another set.

Creates a new instance of the class.

Exception thrown when a set is not a proper superset of another set.

Creates a new instance of the class.

Exception thrown when code unexpectedly fails change a property.

Creates a new instance of the class. Call this constructor when no exception was thrown.

The name of the property that was expected to be changed.

Exception thrown when two object references are unexpectedly not the same instance.

Creates a new instance of the class.

The expected object reference The actual object reference

Exception thrown when the collection did not contain exactly one element.

Initializes a new instance of the class.

The numbers of items in the collection.

Exception thrown when a string does not start with the expected value.

Creates a new instance of the class.

The expected string value The actual value

Exception thrown when a set is not a subset of another set.

Creates a new instance of the class.

Exception thrown when a set is not a superset of another set.

Creates a new instance of the class.

Exception thrown when code unexpectedly fails to throw an exception.

Creates a new instance of the class. Call this constructor when no exception was thrown.

The type of the exception that was expected

Creates a new instance of the class. Call this constructor when an exception of the wrong type was thrown.

The type of the exception that was expected The actual exception that was thrown

THIS CONSTRUCTOR IS FOR UNIT TESTING PURPOSES ONLY.

Gets a string representation of the frames on the call stack at the time the current exception was thrown.

A string that describes the contents of the call stack, with the most recent method call appearing first.

Exception thrown when a value is unexpectedly false.

Creates a new instance of the class.

The user message to be displayed, or null for the default message The actual value

The base assert exception class

Initializes a new instance of the class.

The user message to be displayed

Initializes a new instance of the class.

The user message to be displayed The inner exception

Initializes a new instance of the class.

The user message to be displayed The stack trace to be displayed

Gets a string representation of the frames on the call stack at the time the current exception was thrown.

A string that describes the contents of the call stack, with the most recent method call appearing first.

Gets the user message