private void _testTrieIteration(Int32Trie 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+"
+ (c).ToHexString() + "): 0x"
+ (value).ToHexString() + " instead of 0x"
+ (values[i]).ToHexString());
}
// 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[p - 1]
: !UTF16.IsLeadSurrogate(lead) ||
!UTF16.IsTrailSurrogate(trail) || lead != s[p - 2] ||
trail != s[p - 1])
{
Errln("wrong (lead, trail) from UTRIE_NEXT(U+"
+ (c).ToHexString());
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+"
+ (c).ToHexString() + "): 0x"
+ (value).ToHexString() + " instead of 0x"
+ (values[i]).ToHexString());
}
}
++i;
}
}
}