@Test
public void testDropNegative() throws Exception {
String string = "abc";
try {
StringUtils.drop(string, -1);
Assert.fail();
} catch (Exception ignore) {
// skip
}
}
@Test
public void drop() {
Assert.assertEquals(StringUtils.drop(null), "null");
Assert.assertEquals(StringUtils.drop(null, 4), "null");
Assert.assertEquals(StringUtils.drop(null, 0), "null");
Assert.assertEquals(StringUtils.drop(null, -4), "null");
Assert.assertEquals(
StringUtils.drop(longString),
"This is a very long string for testing drop function. Length of ...(100)");
Assert.assertEquals(StringUtils.drop(longString, 4), "This...(100)");
Assert.assertEquals(StringUtils.drop(longString, 0), "...(100)");
try {
StringUtils.drop(longString, -4);
Assert.fail();
} catch (IllegalArgumentException e) {
} catch (Exception e) {
Assert.fail();
}
Assert.assertEquals(StringUtils.drop(shortString), shortString);
Assert.assertEquals(StringUtils.drop(shortString, 4), "This...(22)");
Assert.assertEquals(StringUtils.drop(shortString, 0), "...(22)");
try {
StringUtils.drop(shortString, -4);
Assert.fail();
} catch (IllegalArgumentException e) {
} catch (Exception e) {
Assert.fail();
}
}
@Test
public void testDrop4() throws Exception {
String string = "abc";
String drop = StringUtils.drop(string, 0);
Assert.assertEquals("...(3)", drop);
}
