UnsignedLong unsignedSub = aUnsigned.minus(bUnsigned);
        assertThat(unsignedSub.longValue()).isEqualTo(expected);
      }
    }
  }

  public void testTimes() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {
        UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
        UnsignedLong bUnsigned = UnsignedLong.fromLongBits(b);
        long expected =

        UnsignedLong unsignedSub = aUnsigned.minus(bUnsigned);
        assertThat(unsignedSub.longValue()).isEqualTo(expected);
      }
    }
  }

  public void testTimes() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {
        UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
        UnsignedLong bUnsigned = UnsignedLong.fromLongBits(b);
        long expected =

		}
	}
}

func TestModTime(t *testing.T) {
	var testTime = time.Date(2009, time.November, 10, 23, 45, 58, 0, time.UTC)
	fh := new(FileHeader)
	fh.SetModTime(testTime)
	outTime := fh.ModTime()
	if !outTime.Equal(testTime) {
		t.Errorf("times don't match: got %s, want %s", outTime, testTime)
	}
}

    while ((read = reader.read(buf)) != -1) {
      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertExpectedString(writer.toString());
  }

  public void testLines() throws IOException {
    try (Stream<String> lines = source.lines()) {
      assertExpectedLines(lines.collect(toImmutableList()));
    }
  }

  public void testCopyTo_appendable() throws IOException {

      }
      if (!cls.isInterface()) {
        classes.add(cls);
      }
    }
    return classes;
  }

  private static boolean hasTest(Class<?> testClass, Iterable<String> testNames) {
    for (String testName : testNames) {
      try {
        testClass.getMethod(testName);
        return true;
      } catch (NoSuchMethodException e) {
        continue;
      }
    }
    return false;
  }

  }

  public void testNull() throws Exception {
    for (Striped<?> striped : allImplementations()) {
      new NullPointerTester().testAllPublicInstanceMethods(striped);
    }
  }

  public void testSizes() {
    // not bothering testing all variations, since we know they share implementations
    assertTrue(Striped.lock(100).size() >= 100);
    assertTrue(Striped.lock(256).size() == 256);

  }

  public void testNull() throws Exception {
    for (Striped<?> striped : allImplementations()) {
      new NullPointerTester().testAllPublicInstanceMethods(striped);
    }
  }

  public void testSizes() {
    // not bothering testing all variations, since we know they share implementations
    assertTrue(Striped.lock(100).size() >= 100);
    assertTrue(Striped.lock(256).size() == 256);

      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertTrue(source.wasStreamClosed());
    assertEquals(STRING, writer.toString());
  }

  public void testLines() throws IOException {
    source = new TestCharSource(LINES);

    ImmutableList<String> lines;
    try (Stream<String> linesStream = source.lines()) {
      assertTrue(source.wasStreamOpened());

      }
      if (!cls.isInterface()) {
        classes.add(cls);
      }
    }
    return classes;
  }

  private static boolean hasTest(Class<?> testClass, Iterable<String> testNames) {
    for (String testName : testNames) {
      try {
        testClass.getMethod(testName);
        return true;
      } catch (NoSuchMethodException e) {
        continue;
      }
    }
    return false;
  }

      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertTrue(source.wasStreamClosed());
    assertEquals(STRING, writer.toString());
  }

  public void testLines() throws IOException {
    source = new TestCharSource(LINES);

    ImmutableList<String> lines;
    try (Stream<String> linesStream = source.lines()) {
      assertTrue(source.wasStreamOpened());