Uses of Annotation Interface
org.junit.platform.commons.annotation.Contract

Packages that use Contract

Package	Description
org.junit.jupiter.api	JUnit Jupiter API for writing tests.
org.junit.platform.commons.support	Common support APIs provided by the JUnit Platform.
org.junit.platform.commons.util	Internal common utilities for JUnit.

Uses of Contract in org.junit.jupiter.api

Methods in org.junit.jupiter.api with annotations of type Contract

Modifier and Type	Method	Description
static <V> V	Assumptions.abort()	Abort the test without a message.
static <V> V	Assumptions.abort(String message)	Abort the test with the given message.
static <V> V	Assumptions.abort(Supplier<String> messageSupplier)	Abort the test with the supplied message.
static void	Assertions.assertFalse(boolean condition)	Assert that the supplied condition is false.
static void	Assertions.assertFalse(boolean condition, @Nullable String message)	Assert that the supplied condition is false.
static void	Assertions.assertFalse(boolean condition, Supplier<@Nullable String> messageSupplier)	Assert that the supplied condition is false.
static <T> T	Assertions.assertInstanceOf(Class<T> expectedType, @Nullable Object actualValue)	Assert that the supplied actualValue is an instance of the expectedType.
static <T> T	Assertions.assertInstanceOf(Class<T> expectedType, @Nullable Object actualValue, @Nullable String message)	Assert that the supplied actualValue is an instance of the expectedType.
static <T> T	Assertions.assertInstanceOf(Class<T> expectedType, @Nullable Object actualValue, Supplier<@Nullable String> messageSupplier)	Assert that the supplied actualValue is an instance of the expectedType.
static void	Assertions.assertNotNull(@Nullable Object actual)	Assert that actual is not null.
static void	Assertions.assertNotNull(@Nullable Object actual, @Nullable String message)	Assert that actual is not null.
static void	Assertions.assertNotNull(@Nullable Object actual, Supplier<@Nullable String> messageSupplier)	Assert that actual is not null.
static void	Assertions.assertNull(@Nullable Object actual)	Assert that actual is null.
static void	Assertions.assertNull(@Nullable Object actual, @Nullable String message)	Assert that actual is null.
static void	Assertions.assertNull(@Nullable Object actual, Supplier<@Nullable String> messageSupplier)	Assert that actual is null.
static void	Assertions.assertTrue(boolean condition)	Assert that the supplied condition is true.
static void	Assertions.assertTrue(boolean condition, @Nullable String message)	Assert that the supplied condition is true.
static void	Assertions.assertTrue(boolean condition, Supplier<@Nullable String> messageSupplier)	Assert that the supplied condition is true.
static void	Assumptions.assumeFalse(boolean assumption)	Validate the given assumption.
static void	Assumptions.assumeFalse(boolean assumption, @Nullable String message)	Validate the given assumption.
static void	Assumptions.assumeFalse(boolean assumption, Supplier<@Nullable String> messageSupplier)	Validate the given assumption.
static void	Assumptions.assumeTrue(boolean assumption)	Validate the given assumption.
static void	Assumptions.assumeTrue(boolean assumption, @Nullable String message)	Validate the given assumption.
static void	Assumptions.assumeTrue(boolean assumption, Supplier<@Nullable String> messageSupplier)	Validate the given assumption.
static <V> V	Assertions.fail()	Fail the test without a failure message.
static <V> V	Assertions.fail(@Nullable String message)	Fail the test with the given failure message.
static <V> V	Assertions.fail(@Nullable String message, @Nullable Throwable cause)	Fail the test with the given failure message as well as the underlying cause.
static <V> V	Assertions.fail(@Nullable Throwable cause)	Fail the test with the given underlying cause.
static <V> V	Assertions.fail(Supplier<@Nullable String> messageSupplier)	Fail the test with the failure message retrieved from the given messageSupplier.

Uses of Contract in org.junit.platform.commons.support

Methods in org.junit.platform.commons.support with annotations of type Contract

Modifier and Type	Method	Description
static boolean	AnnotationSupport.isAnnotated(@Nullable AnnotatedElement element, Class<? extends Annotation> annotationType)	Determine if an annotation of annotationType is either present or meta-present on the supplied element.
static boolean	AnnotationSupport.isAnnotated(@Nullable Optional<? extends AnnotatedElement> element, Class<? extends Annotation> annotationType)	Determine if an annotation of annotationType is either present or meta-present on the supplied optional element.

Uses of Contract in org.junit.platform.commons.util

Methods in org.junit.platform.commons.util with annotations of type Contract

Modifier and Type	Method	Description
static void	Preconditions.condition(boolean predicate, String message)	Assert that the supplied predicate is true.
static void	Preconditions.condition(boolean predicate, Supplier<String> messageSupplier)	Assert that the supplied predicate is true.
static boolean	StringUtils.containsIsoControlCharacter(@Nullable String str)	Determine if the supplied String contains any ISO control characters.
static <T extends Collection<?>> @Nullable T	Preconditions.containsNoNullElements(@Nullable T collection, String message)	Assert that the supplied collection contains no null elements.
static <T extends Collection<?>> @Nullable T	Preconditions.containsNoNullElements(@Nullable T collection, Supplier<String> messageSupplier)	Assert that the supplied collection contains no null elements.
static <T> T @Nullable []	Preconditions.containsNoNullElements(T @Nullable [] array, String message)	Assert that the supplied array contains no null elements.
static <T> T @Nullable []	Preconditions.containsNoNullElements(T @Nullable [] array, Supplier<String> messageSupplier)	Assert that the supplied array contains no null elements.
static boolean	StringUtils.containsWhitespace(@Nullable String str)	Determine if the supplied String contains any whitespace characters.
static boolean	StringUtils.doesNotContainIsoControlCharacter(@Nullable String str)	Determine if the supplied String does not contain any ISO control characters.
static boolean	StringUtils.doesNotContainWhitespace(@Nullable String str)	Determine if the supplied String does not contain any whitespace characters.
static boolean	AnnotationUtils.isAnnotated(@Nullable AnnotatedElement element, Class<? extends Annotation> annotationType)	Determine if an annotation of annotationType is either present or meta-present on the supplied element.
static boolean	AnnotationUtils.isAnnotated(@Nullable Optional<? extends AnnotatedElement> element, Class<? extends Annotation> annotationType)	Determine if an annotation of annotationType is either present or meta-present on the supplied optional element.
static boolean	StringUtils.isBlank(@Nullable String str)	Determine if the supplied String is blank (i.e., null or consisting only of whitespace characters).
static boolean	StringUtils.isNotBlank(@Nullable String str)	Determine if the supplied String is not blank.
static String	Preconditions.notBlank(@Nullable String str, String message)	Assert that the supplied String is not blank.
static String	Preconditions.notBlank(@Nullable String str, Supplier<String> messageSupplier)	Assert that the supplied String is not blank.
static int[]	Preconditions.notEmpty(int @Nullable [] array, String message)	Assert that the supplied array is neither null nor empty.
static <T extends Collection<?>> T	Preconditions.notEmpty(@Nullable T collection, String message)	Assert that the supplied Collection is neither null nor empty.
static <T extends Collection<?>> T	Preconditions.notEmpty(@Nullable T collection, Supplier<String> messageSupplier)	Assert that the supplied Collection is neither null nor empty.
static <T> T[]	Preconditions.notEmpty(T @Nullable [] array, String message)	Assert that the supplied array is neither null nor empty.
static <T> T[]	Preconditions.notEmpty(T @Nullable [] array, Supplier<String> messageSupplier)	Assert that the supplied array is neither null nor empty.
static <T> T	Preconditions.notNull(@Nullable T object, String message)	Assert that the supplied Object is not null.
static <T> T	Preconditions.notNull(@Nullable T object, Supplier<String> messageSupplier)	Assert that the supplied Object is not null.
static @Nullable String	StringUtils.replaceIsoControlCharacters(@Nullable String str, String replacement)	Replace all ISO control characters in the supplied String.
static @Nullable String	StringUtils.replaceWhitespaceCharacters(@Nullable String str, String replacement)	Replace all whitespace characters in the supplied String.
static RuntimeException	ExceptionUtils.throwAsUncheckedException(Throwable t)	Throw the supplied Throwable, masked as an unchecked exception.