public void testSubstringThreeParamsWithStartBiggerThanLength() {
String string = "abc";
String substring = StringUtils.substring(string, string.length() + 2, string.length() * 2);
Assert.assertEquals("", substring);
substring = StringUtils.substring(string, string.length(), 2);
Assert.assertEquals("", substring);
}
public void testSubstringWithNegativeStartBiggerThanLength() {
String string = "abc";
int start = string.length() + 1;
int negative_start = -start;
String substring = StringUtils.substring(string, negative_start);
Assert.assertEquals(string, substring);
}
public void testSubstringThreeParamsWithEndBiggerThanLength() {
String string = "abc";
String substring = StringUtils.substring(string, 2, string.length() + 1);
Assert.assertEquals("c", substring);
}
public void testSubstringThreeParams() {
String substring = StringUtils.substring("abc", 0, 2);
Assert.assertEquals("ab", substring);
}
public void testSubstringThreeParamsWithZeroEnd() {
String substring = StringUtils.substring("abc", 2, 0);
Assert.assertEquals("", substring);
}
public void testSubstringThreeParamsWithEmptyString() {
String substring = StringUtils.substring("", 1, 2);
Assert.assertEquals("", substring);
}
public void testSubstringThreeParamsWithNullString() {
String substring = StringUtils.substring(null, 1, 2);
Assert.assertNull(substring);
}
public void testSubstringWithNegativeStart() {
String substring = StringUtils.substring("abc", -2);
Assert.assertEquals("bc", substring);
}
public void testSubstring() {
String substring = StringUtils.substring("abc", 2);
Assert.assertEquals("c", substring);
}
public void testSubstringWithStartBiggerThanLength() {
String string = "abc";
String substring = StringUtils.substring(string, string.length() + 1);
Assert.assertEquals("", substring);
}
public void testSubstringWithZeroStart() {
String string = "abc";
String substring = StringUtils.substring(string, 0);
Assert.assertEquals(string, substring);
}
public void testSubstringWithEmptyString() {
String substring = StringUtils.substring("", 1);
Assert.assertEquals("", substring);
}
public void testSubstringWithNullString() {
String substring = StringUtils.substring(null, 1);
Assert.assertNull(substring);
}
public void testSubstringThreeParamsWithNegativeStartAndEnd() {
String string = "abc";
String substring = StringUtils.substring(string, -2, -1);
Assert.assertEquals("b", substring);
}