private void doTestComposedChars(bool compat)
{
int options = Normalizer.IGNORE_HANGUL;
ComposedCharIter iter = new ComposedCharIter(compat, options);
char lastChar = (char)0;
while (iter.HasNext)
{
char ch = iter.Next();
// Test all characters between the last one and this one to make
// sure that they don't have decompositions
assertNoDecomp(lastChar, ch, compat, options);
lastChar = ch;
// Now make sure that the decompositions for this character
// make sense
String chString = new StringBuffer().Append(ch).ToString();
String iterDecomp = iter.Decomposition();
String normDecomp = Normalizer.Decompose(chString, compat);
if (iterDecomp.Equals(chString))
{
Errln("ERROR: " + Hex(ch) + " has identical decomp");
}
else if (!iterDecomp.Equals(normDecomp))
{
Errln("ERROR: Normalizer decomp for " + Hex(ch) + " (" + Hex(normDecomp) + ")"
+ " != iter decomp (" + Hex(iterDecomp) + ")");
}
}
assertNoDecomp(lastChar, '\uFFFF', compat, options);
}
public void TestRoundTrip()
{
int options = Normalizer.IGNORE_HANGUL;
bool compat = false;
ComposedCharIter iter = new ComposedCharIter(false, options);
while (iter.HasNext)
{
char ch = iter.Next();
string chStr = "" + ch;
string decomp = iter.Decomposition();
string comp = Normalizer.Compose(decomp, compat);
if (UChar.HasBinaryProperty(ch, UProperty.Full_Composition_Exclusion))
{
Logln("Skipped excluded char " + Hex(ch) + " (" + UChar.GetName(ch) + ")");
continue;
}
// Avoid disparaged characters
if (decomp.Length == 4)
{
continue;
}
if (!comp.Equals(chStr))
{
Errln("ERROR: Round trip invalid: " + Hex(chStr) + " --> " + Hex(decomp)
+ " --> " + Hex(comp));
Errln(" char decomp is '" + decomp + "'");
}
}
}