public void CompareTo()
{
Substring tss = new Substring();
// null string comparison
String nullString = null;
UT_TRUE(tss.CompareTo(nullString) == 0);
UT_TRUE(tss.Equals(nullString));
tss.Set("");
UT_TRUE(tss.CompareTo(nullString) != 0);
UT_TRUE(!tss.Equals(nullString));
tss.SetNull();
UT_TRUE(tss.CompareTo(nullString) == 0);
UT_TRUE(tss.Equals(nullString));
String t = "abcde";
tss = new Substring("01" + t + "234", 2, t.Length);
int result, resSys;
result = tss.CompareTo(t); UT_EQ(t.CompareTo(t), result);
result = tss.CompareTo(t + "x"); UT_EQ(t.CompareTo(t + "x"), result);
result = tss.CompareTo(t.Substring(0, t.Length - 1)); UT_EQ(t.CompareTo(t.Substring(0, t.Length - 1)), result);
result = tss.CompareTo("pad" + t, Case.Sensitive, 3); UT_EQ(0, result);
result = tss.CompareTo("pad" + t, Case.Sensitive, 3, 2); UT_EQ(1, result);
// greater/smaller strings
{
String greater = "x";
String greater2 = "abcdef";
String smaller = "aaa";
String smaller2 = "abcd";
result = tss.CompareTo(greater); resSys = t.CompareTo(greater); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(greater2); resSys = t.CompareTo(greater2); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(smaller); resSys = t.CompareTo(smaller); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(smaller2); resSys = t.CompareTo(smaller2); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
String ut = t.ToUpper();
UT_FALSE(0 == tss.CompareTo(ut));
UT_FALSE(0 == tss.CompareTo(ut, Case.Sensitive));
UT_TRUE(0 == tss.CompareTo(ut, Case.Ignore));
}
{
AString greater = new AString("x");
AString greater2 = new AString("abcdef");
AString smaller = new AString("aaa");
AString smaller2 = new AString("abcd");
result = tss.CompareTo(greater); resSys = t.CompareTo(greater.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(greater2); resSys = t.CompareTo(greater2.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(smaller); resSys = t.CompareTo(smaller.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(smaller2); resSys = t.CompareTo(smaller2.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
AString ut = new AString(t.ToUpper());
UT_FALSE(0 == tss.CompareTo(ut));
UT_FALSE(0 == tss.CompareTo(ut, Case.Sensitive));
UT_TRUE(0 == tss.CompareTo(ut, Case.Ignore));
}
{
Substring greater = new Substring("123x", 3);
Substring greater2 = new Substring("123abcdef", 3);
Substring smaller = new Substring("123aaa", 3);
Substring smaller2 = new Substring("123abcd", 3);
result = tss.CompareTo(greater); resSys = t.CompareTo(greater.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(greater2); resSys = t.CompareTo(greater2.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(smaller); resSys = t.CompareTo(smaller.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
result = tss.CompareTo(smaller2); resSys = t.CompareTo(smaller2.ToString()); UT_TRUE(result == resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0));
Substring ut = new Substring(t.ToUpper());
UT_FALSE(0 == tss.CompareTo(ut));
UT_FALSE(0 == tss.CompareTo(ut, Case.Sensitive));
UT_TRUE(0 == tss.CompareTo(ut, Case.Ignore));
}
}
