/**
* Tests that: 1. firstAddress() with empty list returns null. 2. firstAddress() with non-empty
* returns the same as fromHeader()[0]
*/
public void testFirstAddress() {
assertNull(Address.firstAddress(null));
assertNull(Address.firstAddress(""));
for (Address[] list : TO_HEADER_CASES) {
String packed = Address.toHeader(list);
Address[] array = Address.fromHeader(packed);
Address first = Address.firstAddress(packed);
assertTrue(packed, addressEquals(array[0], first));
}
}
/** Tests that fromHeaderToString() returns the same result as toString(fromHeader()). */
public void testFromHeaderToString() {
assertNull(Address.fromHeaderToString(null));
assertNull(Address.fromHeaderToString(""));
for (Address[] list : TO_HEADER_CASES) {
String packed = Address.toHeader(list);
String s1 = Address.fromHeaderToString(packed);
String s2 = Address.toString(Address.fromHeader(packed));
assertEquals(s2, s2, s1);
}
}
/**
* Simple quick checks of empty-input edge conditions for fromHeader()
*
* <p>NOTE: This is not a claim that these edge cases are "correct", only to maintain consistent
* behavior while I am changing some of the code in the function under test.
*/
public void testEmptyFromHeader() {
Address[] result;
/*
// null input => empty array
result = Address.fromHeader(null);
assertTrue("unpacking null address", result != null && result.length == 0);
*/
// empty string input => empty array
result = Address.fromHeader("");
assertTrue("unpacking zero-length", result != null && result.length == 0);
}
public void testToHeaderFromHeader() {
for (Address[] list : TO_HEADER_CASES) {
String packed = Address.toHeader(list);
assertTrue(packed, addressArrayEquals(list, Address.fromHeader(packed)));
}
}