private void _testTrieIteration(IntTrie trie, CheckRange checkRanges[], int countCheckRanges) {
// write a string
int countValues = 0;
StringBuffer s = new StringBuffer();
int values[] = new int[30];
for (int i = 0; i < countCheckRanges; ++i) {
int c = checkRanges[i].limit;
if (c != 0) {
--c;
UTF16.append(s, c);
values[countValues++] = checkRanges[i].value;
}
}
int limit = s.length();
// try forward
int p = 0;
int i = 0;
while (p < limit) {
int c = UTF16.charAt(s, p);
p += UTF16.getCharCount(c);
int value = trie.getCodePointValue(c);
if (value != values[i]) {
errln(
"wrong value from UTRIE_NEXT(U+"
+ Integer.toHexString(c)
+ "): 0x"
+ Integer.toHexString(value)
+ " instead of 0x"
+ Integer.toHexString(values[i]));
}
// unlike the c version lead is 0 if c is non-supplementary
char lead = UTF16.getLeadSurrogate(c);
char trail = UTF16.getTrailSurrogate(c);
if (lead == 0
? trail != s.charAt(p - 1)
: !UTF16.isLeadSurrogate(lead)
|| !UTF16.isTrailSurrogate(trail)
|| lead != s.charAt(p - 2)
|| trail != s.charAt(p - 1)) {
errln("wrong (lead, trail) from UTRIE_NEXT(U+" + Integer.toHexString(c));
continue;
}
if (lead != 0) {
value = trie.getLeadValue(lead);
value = trie.getTrailValue(value, trail);
if (value != trie.getSurrogateValue(lead, trail) && value != values[i]) {
errln(
"wrong value from getting supplementary "
+ "values (U+"
+ Integer.toHexString(c)
+ "): 0x"
+ Integer.toHexString(value)
+ " instead of 0x"
+ Integer.toHexString(values[i]));
}
}
++i;
}
}
