*
   * <p>In the unusual case where the context class loader is null, the class loader that loaded
   * this class ({@code Resources}) will be used instead.
   *
   * @throws IllegalArgumentException if the resource is not found
   */
  @CanIgnoreReturnValue // being used to check if a resource exists
  // TODO(cgdecker): maybe add a better way to check if a resource exists

import java.io.IOException;

public class XslTransformer {
    public static void main(String[] args) throws TransformerException, IOException {
        if (args.length < 3 || args.length > 4) {
            throw new IllegalArgumentException("USAGE: <style-sheet> <source-file> <dest-file> [dest-dir]");
        }
        File stylesheet = new File(args[0]);
        File source = new File(args[1]);
        File dest = new File(args[2]);

        ImmutableSortedMap.<String, Integer>naturalOrder()
            .put("one", 1)
            .put("one", 2); // throwing on this line would be even better

    assertThrows(IllegalArgumentException.class, () -> builder.build());
  }

  public void testOf() {
    assertMapEquals(ImmutableSortedMap.of("one", 1), "one", 1);
    assertMapEquals(ImmutableSortedMap.of("one", 1, "two", 2), "one", 1, "two", 2);

      checkNotNull(node);
      throw new IllegalArgumentException(String.format(NODE_NOT_IN_GRAPH, node));
    }
    return connections;
  }

  final N checkedReferenceNode(E edge) {
    N referenceNode = edgeToReferenceNode.get(edge);
    if (referenceNode == null) {
      checkNotNull(edge);
      throw new IllegalArgumentException(String.format(EDGE_NOT_IN_GRAPH, edge));
    }

  }

  private static void assertCastFails(long value) {
    try {
      UnsignedBytes.checkedCast(value);
      fail("Cast to byte should have failed: " + value);
    } catch (IllegalArgumentException ex) {
      assertWithMessage("%s not found in exception text: %s", value, ex.getMessage())
          .that(ex.getMessage().contains(String.valueOf(value)))
          .isTrue();
    }
  }

    Files.write(ASCII, temp1, UTF_8);
    assertThrows(IllegalArgumentException.class, () -> Files.copy(temp1, temp2));
    assertThat(Files.toString(temp1, UTF_8)).isEqualTo(ASCII);
  }

  public void testCopySameFile() throws IOException {
    File temp = createTempFile();
    Files.write(ASCII, temp, UTF_8);
    assertThrows(IllegalArgumentException.class, () -> Files.copy(temp, temp));

     * @param dataStore the data store instance to register, must not be null
     * @throws IllegalArgumentException if either name or dataStore is null
     */
    public void add(final String name, final DataStore dataStore) {
        if (name == null || dataStore == null) {
            throw new IllegalArgumentException(
                    "Both name and dataStore parameters are required. name: " + name + ", dataStore: " + dataStore);

     */
    public void testCreateCustomFilter_NullPatterns() {
        try {
            SerializeUtil.createCustomFilter(null);
            fail("Expected IllegalArgumentException");
        } catch (final IllegalArgumentException e) {
            // Expected
        }
    }

    /**
     * Test serialization with empty array
     *
     * @throws Exception
     */

        assertThrows(
            IllegalArgumentException.class,
            () -> GeneralRange.range(ORDERING, 4, lboundType, 2, uboundType));
      }
    }
  }

  public void testCreateEmptyRangeOpenOpenFails() {
    for (Integer i : IN_ORDER_VALUES) {
      assertThrows(
          IllegalArgumentException.class,

  fun keyWithSpaceNotPermitted() {
    assertFailsWith<IllegalArgumentException> {
      cache.edit("my key")
    }
  }

  @Test
  fun keyWithNewlineNotPermitted() {
    assertFailsWith<IllegalArgumentException> {
      cache.edit("my\nkey")
    }
  }

  @Test
  fun keyWithCarriageReturnNotPermitted() {
    assertFailsWith<IllegalArgumentException> {
      cache.edit("my\rkey")
    }
  }