Module org.junit.jupiter.params

Package org.junit.jupiter.params.provider

Annotation Interface EmptySource

@Target({ANNOTATION_TYPE,METHOD,TYPE})
@Retention(RUNTIME)
@Documented
@Inherited
@API(status=STABLE,
     since="5.7")
@ArgumentsSource(org.junit.jupiter.params.provider.EmptyArgumentsProvider.class)
public @interface EmptySource

@EmptySource is an ArgumentsSource which provides a single empty argument to the annotated @ParameterizedClass or @ParameterizedTest.

Supported Parameter Types

This argument source will only provide an empty argument for the following parameter types.

• String
• Collection and concrete subtypes with a public no-arg constructor
• List
• Set
• SortedSet
• NavigableSet
• Map and concrete subtypes with a public no-arg constructor
• SortedMap
• NavigableMap
• primitive arrays — for example int[], char[][], etc.
• object arrays — for example String[], Integer[][], etc.

Inheritance

This annotation is inherited to subclasses.

Since:

5.4

See Also:

• ArgumentsSource
• ParameterizedClass
• ParameterizedTest
• NullSource
• NullAndEmptySource