Java Iterables.empty示例

示例#1

文件： SetsTest.java 项目： tomcz/funk

  @Test
  public void shouldReturnAnEmptySetForTheSetDifferenceOfNoSets() throws Exception {
    // Given
    Iterable<Iterable<String>> emptySet = Iterables.empty();
    Iterable<String> expectedDifferenceSet = Collections.emptySet();

    // When
    Set<String> difference = Sets.difference(emptySet);

    // Then
    assertThat(difference, is(expectedDifferenceSet));
  }