@Override
      public ByteSource createSource(byte[] data) throws IOException {
        return factory.createSource(new String(data, UTF_8)).asByteSource(UTF_8);
      }

      @Override
      public byte[] getExpected(byte[] data) {
        return factory.getExpected(new String(data, UTF_8)).getBytes(UTF_8);
      }

      @Override
      public void tearDown() throws IOException {
        factory.tearDown();
      }

    assertThat(Files.toString(temp, UTF_8)).isEqualTo(ASCII);
  }

  public void testCopyIdenticalFiles() throws IOException {
    File temp1 = createTempFile();
    Files.write(ASCII, temp1, UTF_8);
    File temp2 = createTempFile();
    Files.write(ASCII, temp2, UTF_8);
    Files.copy(temp1, temp2);
    assertThat(Files.toString(temp2, UTF_8)).isEqualTo(ASCII);
  }

  public void testEqual() throws IOException {

    mac.init(SHA1_KEY);
    mac.update("hello".getBytes(UTF_8));
    mac.update("world".getBytes(UTF_8));

    assertEquals(
        HashCode.fromBytes(mac.doFinal("!!!".getBytes(UTF_8))),
        hmacSha1(SHA1_KEY)
            .newHasher()
            .putString("hello", UTF_8)
            .putString("world", UTF_8)
            .putString("!!!", UTF_8)
            .hash());
  }

    assertThat(MediaType.parse("text/plain; charset =utf-8").charset()).hasValue(UTF_8);
    assertThat(MediaType.parse("text/plain; charset= utf-8").charset()).hasValue(UTF_8);
    assertThat(MediaType.parse("text/plain; charset = utf-8").charset()).hasValue(UTF_8);
    assertThat(MediaType.parse("text/plain;charset =utf-8").charset()).hasValue(UTF_8);
  }

  public void testGetCharset() {

    connection.doOutput = true
    connection.setRequestProperty("Expect", "100-Continue")
    connection.outputStream.write("request".toByteArray(UTF_8))
    val inputStream = connection.inputStream
    val reader = BufferedReader(InputStreamReader(inputStream, UTF_8))
    assertThat(reader.readLine()).isEqualTo("response")
    val request = server.takeRequest()
    assertThat(request.body?.utf8()).isEqualTo("request")
  }

            process.waitFor(1, TimeUnit.MINUTES);
            latch.await(1, TimeUnit.MINUTES);
            return new ExecResult(args, process.exitValue(), stdout.toString(UTF_8), stderr.toString(UTF_8));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    assertThat(encoding.encode(decoded.getBytes(UTF_8))).isEqualTo(encoded);
  }

  private static void testEncodesWithOffset(
      BaseEncoding encoding, String decoded, int offset, int len, String encoded) {
    assertThat(encoding.encode(decoded.getBytes(UTF_8), offset, len)).isEqualTo(encoded);
  }

    try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
      Path fooPath = fs.getPath("foo");
      Path barPath = fs.getPath("bar");
      MoreFiles.asCharSink(fooPath, UTF_8).write("foo");
      MoreFiles.asCharSink(barPath, UTF_8).write("barbar");

      assertThat(MoreFiles.equal(fooPath, barPath)).isFalse();
      assertThat(MoreFiles.equal(fooPath, fooPath)).isTrue();

import static java.nio.charset.StandardCharsets.US_ASCII;
import static java.nio.charset.StandardCharsets.UTF_16;
import static java.nio.charset.StandardCharsets.UTF_16BE;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertThrows;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileOutputStream;

    try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
      Path fooPath = fs.getPath("foo");
      Path barPath = fs.getPath("bar");
      MoreFiles.asCharSink(fooPath, UTF_8).write("foo");
      MoreFiles.asCharSink(barPath, UTF_8).write("barbar");

      assertThat(MoreFiles.equal(fooPath, barPath)).isFalse();
      assertThat(MoreFiles.equal(fooPath, fooPath)).isTrue();