public class AssertTests {

  @Test
  public void testAssertArrayEquals() {
    byte[] expected = "trial".getBytes();
    byte[] actual = "trial".getBytes();
    //测试数组预期与输出是否相同
    assertArrayEquals("failure - byte arrays not same", expected, actual);
  }
  
  @Test
  public void testAssertEquals() {
  //测试字符预期与输出是否相同
    assertEquals("failure - strings are not equal", "text", "text");
  }

  @Test
  public void testAssertFalse() {
  //测试布尔值输出是否为false
    assertFalse("failure - should be false", false);
  }

  @Test
  public void testAssertNotNull() {
  //测试对象输出是否为空
    assertNotNull("should not be null", new Object());
  }

  @Test
  public void testAssertNotSame() {
  //测试对象A与对象B输出不同
    assertNotSame("should not be same Object", new Object(), new Object());
  }

  @Test
  public void testAssertNull() {
  //测试对象输出为空
    assertNull("should be null", null);
  }

  @Test
  public void testAssertSame() {
    Integer aNumber = Integer.valueOf(768);
    //测试对象A与对象B输出相同
    assertSame("should be same", aNumber, aNumber);
  }

  // JUnit Matchers assertThat
  @Test
  
  public void testAssertThatBothContainsString() {
    assertThat("albumen", both(containsString("a")).and(containsString("b")));
  }

  @Test
  public void testAssertThatHasItems() {
    assertThat(Arrays.asList("one", "two", "three"), hasItems("one", "three"));
  }

  @Test
  public void testAssertThatEveryItemContainsString() {
    assertThat(Arrays.asList(new String[] { "fun", "ban", "net" }), everyItem(containsString("n")));
  }

  // Core Hamcrest Matchers with assertThat
  @Test
  public void testAssertThatHamcrestCoreMatchers() {
    assertThat("good", allOf(equalTo("good"), startsWith("good")));
    assertThat("good", not(allOf(equalTo("bad"), equalTo("good"))));
    assertThat("good", anyOf(equalTo("bad"), equalTo("good")));
    assertThat(7, not(CombinableMatcher.<Integer> either(equalTo(3)).or(equalTo(4))));
    assertThat(new Object(), not(sameInstance(new Object())));
  }

  @Test
  //测试布尔值输出是否为真
  public void testAssertTrue() {
    assertTrue("failure - should be true", true);
  }
}