/*
 * Copyright 2015-2019 the original author or authors.
 *
 * All rights reserved. This program and the accompanying materials are
 * made available under the terms of the Eclipse Public License v2.0 which
 * accompanies this distribution and is available at
 *
 * http://www.eclipse.org/legal/epl-v20.html
 */

package org.junit.jupiter.api;

import static org.junit.jupiter.api.AssertionUtils.buildPrefix;
import static org.junit.jupiter.api.AssertionUtils.fail;
import static org.junit.jupiter.api.AssertionUtils.nullSafeGet;

import java.util.function.BooleanSupplier;
import java.util.function.Supplier;

AssertFalse is a collection of utility methods that support asserting false in tests.
Since:5.0
/** * {@code AssertFalse} is a collection of utility methods that support asserting * {@code false} in tests. * * @since 5.0 */
class AssertFalse { private static final String EXPECTED_FALSE = "expected: <false> but was: <true>"; private AssertFalse() { /* no-op */ } static void assertFalse(boolean condition) { assertFalse(condition, (String) null); } static void assertFalse(boolean condition, String message) { if (condition) { fail(buildPrefix(message) + EXPECTED_FALSE); } } static void assertFalse(boolean condition, Supplier<String> messageSupplier) { if (condition) { fail(buildPrefix(nullSafeGet(messageSupplier)) + EXPECTED_FALSE); } } static void assertFalse(BooleanSupplier booleanSupplier) { assertFalse(booleanSupplier.getAsBoolean(), (String) null); } static void assertFalse(BooleanSupplier booleanSupplier, String message) { assertFalse(booleanSupplier.getAsBoolean(), message); } static void assertFalse(BooleanSupplier booleanSupplier, Supplier<String> messageSupplier) { assertFalse(booleanSupplier.getAsBoolean(), messageSupplier); } }