@Test
public void thatCanApplySharpenEffect() {

    assertThat(HaloCloudinary.Effects.sharpen(10).toString().equals("e_sharpen:10")).isTrue();
    assertThat(HaloCloudinary.Effects.sharpen(null).toString().equals("e_sharpen")).isTrue();
    assertThat(HaloCloudinary.Effects.sharpen(-1000).toString().equals("e_sharpen")).isTrue();
}