@Test
public void truncateTest() {
assertThat(StringHelper.truncate("HelloBoy", 0)).isEqualTo("");
assertThat(StringHelper.truncate("HelloBoy", 1)).isEqualTo("H");
assertThat(StringHelper.truncate("HelloBoy", 2)).isEqualTo("He");
assertThat(StringHelper.truncate("HelloBoy", 3)).isEqualTo("Hel");
assertThat(StringHelper.truncate("HelloBoy", 4)).isEqualTo("Hell");
assertThat(StringHelper.truncate("HelloBoy", 5)).isEqualTo("Hello");
assertThat(StringHelper.truncate("HelloBoy", 6)).isEqualTo("HelloB");
assertThat(StringHelper.truncate("HelloBoy", 7)).isEqualTo("HelloBo");
assertThat(StringHelper.truncate("HelloBoy", 8)).isEqualTo("HelloBoy");
assertThat(StringHelper.truncate("HelloBoy", 9)).isEqualTo("HelloBoy");
assertThat(StringHelper.truncate("HelloBoy", 10)).isEqualTo("HelloBoy");
assertThat(StringHelper.truncate("HelloBoy", -1)).isEqualTo("HelloBoy");
assertThat(StringHelper.truncate("HelloBoy", -1000)).isEqualTo("HelloBoy");
}
