assertTrue(spy.closed);
  }

  public void testCloseIsFinal() throws IOException {
    StringBuilder builder = new StringBuilder();
    Writer writer = new AppendableWriter(builder);

    writer.write("Hi");
    writer.close();

    assertThrows(IOException.class, () -> writer.write(" Greg"));

    assertThrows(IOException.class, () -> writer.flush());

    // close()ing already closed writer is allowed

  }

  // Tests from RFC2022: https://tools.ietf.org/html/rfc2202

  public void testRfc2202_hmacSha1_case1() {
    byte[] key = fillByteArray(20, 0x0b);
    String data = "Hi There";

    checkSha1("b617318655057264e28bc0b6fb378c8ef146be00", key, data);
  }

  public void testRfc2202_hmacSha1_case2() {
    byte[] key = "Jefe".getBytes(UTF_8);

        .addEqualityGroup(
            LENGTH_EQUIVALENCE.wrap("hello"),
            LENGTH_EQUIVALENCE.wrap("hello"),
            LENGTH_EQUIVALENCE.wrap("world"))
        .addEqualityGroup(LENGTH_EQUIVALENCE.wrap("hi"), LENGTH_EQUIVALENCE.wrap("yo"))
        .addEqualityGroup(
            LENGTH_EQUIVALENCE.<@Nullable String>wrap(null),
            LENGTH_EQUIVALENCE.<@Nullable String>wrap(null))

		t.Fatalf("got %v, expected nil", err)
	}
	zh := zf.File[0].FileHeader
	if zh.Name != h.Name || zh.Method != h.Method || zh.UncompressedSize64 != uint64(len("hi")) {
		t.Fatalf("got %q/%d/%d expected %q/%d/%d", zh.Name, zh.Method, zh.UncompressedSize64, h.Name, h.Method, len("hi"))
	}
}

// Issue 4302.
func TestHeaderInvalidTagAndSize(t *testing.T) {
	const timeFormat = "20060102T150405.000.txt"

	ts := time.Now()

          "match": "*_he",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_hi": {
          "match": "*_hi",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_hr": {
          "match": "*_hr",

          "match": "*_he",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_hi": {
          "match": "*_hi",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_hr": {
          "match": "*_hr",

  }

  // Tests from RFC2022: https://tools.ietf.org/html/rfc2202

  public void testRfc2202_hmacSha1_case1() {
    byte[] key = fillByteArray(20, 0x0b);
    String data = "Hi There";

    checkSha1("b617318655057264e28bc0b6fb378c8ef146be00", key, data);
  }

  public void testRfc2202_hmacSha1_case2() {
    byte[] key = "Jefe".getBytes(UTF_8);

          "match": "*_he",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_hi": {
          "match": "*_hi",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_hr": {
          "match": "*_hr",

        .addEqualityGroup(
            LENGTH_EQUIVALENCE.wrap("hello"),
            LENGTH_EQUIVALENCE.wrap("hello"),
            LENGTH_EQUIVALENCE.wrap("world"))
        .addEqualityGroup(LENGTH_EQUIVALENCE.wrap("hi"), LENGTH_EQUIVALENCE.wrap("yo"))
        .addEqualityGroup(
            LENGTH_EQUIVALENCE.<@Nullable String>wrap(null),
            LENGTH_EQUIVALENCE.<@Nullable String>wrap(null))

            <runOrder>alphabetical</runOrder>
            <!-- Set max heap for tests. -->
            <!-- Catch dependencies on the default locale by setting it to hi-IN. -->
            <argLine>-Xmx1536M -Duser.language=hi -Duser.country=IN ${test.add.args} ${test.add.opens}</argLine>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-enforcer-plugin</artifactId>