import com.google.common.collect.ImmutableList;
import org.jspecify.annotations.NullUnmarked;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link Graphs#hasCycle(Graph)} and {@link Graphs#hasCycle(Network)}. */
// TODO(user): Consider moving this to GraphsTest.
@RunWith(JUnit4.class)
@NullUnmarked
public class GraphPropertiesTest {

import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tester of subtyping relationships between two types.
 *
 * <p>Tests should inherit from this class, and declare subtyping relationship with public methods

import java.util.concurrent.Executor;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Test for {@link FutureCallback}.
 *
 * @author Anthony Zana
 */
@GwtCompatible
@NullUnmarked
public class FutureCallbackTest extends TestCase {
  public void testSameThreadSuccess() {

import java.math.RoundingMode;
import java.util.EnumMap;
import java.util.EnumSet;
import java.util.Map;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
public class BigDecimalMathTest extends TestCase {
  private static final class RoundToDoubleTester {
    private final BigDecimal input;

import java.math.BigInteger;
import java.math.RoundingMode;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link MathPreconditions}.
 *
 * @author Ben Yu
 */
@GwtCompatible
@NullUnmarked
public class MathPreconditionsTest extends TestCase {

  public void testCheckPositive_zeroInt() {

import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@GwtIncompatible // reflection
@NullUnmarked
public class ImmutableListCopyOfConcurrentlyModifiedInputTest extends TestCase {
  enum WrapWithIterable {
    WRAP,
    NO_WRAP
  }

  private static void runConcurrentlyMutatedTest(

import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@code CompactLinkedHashMap}.
 *
 * @author Louis Wasserman
 */
@NullUnmarked
public class CompactLinkedHashMapTest extends TestCase {
  @AndroidIncompatible // test-suite builders
  public static Test suite() {

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.collect.ImmutableSet;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link SipHashFunction}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SipHashFunctionTest extends TestCase {

  // From https://131002.net/siphash/siphash24.c
  // k = 00 01 02 ...

import static java.nio.charset.StandardCharsets.UTF_8;

import com.google.common.collect.ImmutableSet;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link SipHashFunction}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SipHashFunctionTest extends TestCase {

  // From https://131002.net/siphash/siphash24.c
  // k = 00 01 02 ...

import com.google.common.annotations.J2ktIncompatible;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link LinearTransformation}.
 *
 * @author Pete Gillin
 */
@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
public class LinearTransformationTest extends TestCase {

  private static final double ALLOWED_ERROR = 1e-10;