import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.jspecify.annotations.Nullable;

/**
 * Abstract test case parent for anything implementing {@link ListenableFuture}. Tests the two get
 * methods and the addListener method.
 *
 * @author Sven Mawson
 * @since 10.0
 */
@GwtIncompatible

 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class Collections2Test extends TestCase {
  @J2ktIncompatible
  @GwtIncompatible // suite
  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite(Collections2Test.class.getSimpleName());
    suite.addTest(testsForFilter());
    suite.addTest(testsForFilterAll());
    suite.addTest(testsForFilterLinkedList());

# Test Guide

```bash
cd tests
# prepare test databases
docker-compose up

# run all tests
./tests_all.sh

    -->
    <surefire.toolchain.version>${java.specification.version}</surefire.toolchain.version>
    <!-- Override this with -Dtest.include="**/SomeTest.java" on the CLI -->
    <test.include>%regex[.*.class]</test.include>
    <truth.version>1.4.4</truth.version>
    <jspecify.version>1.0.0</jspecify.version>
    <errorprone.version>2.41.0</errorprone.version>
    <j2objc.version>3.1</j2objc.version>

    equalObject2 = new ValidTestObject(1, 2);
    notEqualObject1 = new ValidTestObject(0, 2);
  }

  /** Test null reference yields error */
  public void testAddNullReference() {
    assertThrows(NullPointerException.class, () -> equalsTester.addEqualityGroup((Object) null));
  }

  /** Test equalObjects after adding multiple instances at once with a null */
  public void testAddTwoEqualObjectsAtOnceWithNull() {

			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.dbflute.utflute</groupId>
			<artifactId>utflute-lasta-di</artifactId>
			<version>${utflute.version}</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mortbay.jetty</groupId>
			<artifactId>jetty</artifactId>
			<version>6.1.26</version>
			<scope>test</scope>
		</dependency>
		<dependency>

import java.lang.reflect.Method;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests creation (typically through a constructor or static factory
 * method) of a collection. Can't be invoked directly; please see {@link
 * com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code retainAll} operations on a list. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.

import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code get} operations on a map. Can't be invoked directly;
 * please see {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
 *
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

        assertEquals(0, response.getNum());
    }

    @Test
    public void test_indexElevateWord() throws Exception {
        ElevateWord elevateWord =
                new ElevateWord("Test", 2.0f, Collections.singletonList("Test"), Collections.singletonList("content"), null, null);
        suggester.indexer().addElevateWord(elevateWord, true);