import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link Preconditions}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@NullMarked
@SuppressWarnings("LenientFormatStringValidation") // Intentional for testing
@GwtCompatible
public class PreconditionsTest extends TestCase {
  public void testCheckArgument_simple_success() {
    checkArgument(true);
  }

  public void testCheckArgument_simple_failure() {

import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link Preconditions}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@NullMarked
@SuppressWarnings("LenientFormatStringValidation") // Intentional for testing
@GwtCompatible
public class PreconditionsTest extends TestCase {
  public void testCheckArgument_simple_success() {
    checkArgument(true);
  }

  public void testCheckArgument_simple_failure() {

    assertEquals(Range.closed(4, 12), range.span(Range.closed(10, 12)));
    assertEquals(Range.atLeast(4), range.span(Range.atLeast(10)));
  }

  @SuppressWarnings({"InlineMeInliner", "deprecation"}) // intentional test of depecated method
  public void testPredicateMethods() {
    Range<Integer> predicate = Range.closed(2, 3);

    assertFalse(predicate.apply(1));
    assertTrue(predicate.apply(2));

import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@link Ints}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible
@NullMarked
@SuppressWarnings("cast") // redundant casts are intentional and harmless
public class IntsTest extends TestCase {
  private static final int[] EMPTY = {};
  private static final int[] ARRAY1 = {(int) 1};
  private static final int[] ARRAY234 = {(int) 2, (int) 3, (int) 4};

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"Contribution" shall mean any work of authorship, including the original version
of the Work and any modifications or additions to that Work or Derivative Works
thereof, that is intentionally submitted to Licensor for inclusion in the Work
by the copyright owner or by an individual or Legal Entity authorized to submit
on behalf of the copyright owner. For the purposes of this definition,

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions
      to that Work or Derivative Works thereof, that is intentionally
      submitted to Licensor for inclusion in the Work by the copyright owner
      or by an individual or Legal Entity authorized to submit on behalf of
      the copyright owner. For the purposes of this definition, "submitted"

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions
      to that Work or Derivative Works thereof, that is intentionally
      submitted to Licensor for inclusion in the Work by the copyright owner
      or by an individual or Legal Entity authorized to submit on behalf of
      the copyright owner. For the purposes of this definition, "submitted"